Journal of Anthropological Archaeology 25 (2006) 318–345 www.elsevier.com/locate/jaa Economic adaptation, community structure, and sharing strategies of households at early sedentary communities in northeast China Gideon Shelach * Department of East Asian Studies, The Hebrew University, Mt. Scopus, Jerusalem 91905, Israel Received 23 May 2005; revision received 15 November 2005 Available online 30 January 2006 Abstract The genesis of agriculture is one of the recurring themes of Chinese archaeology. However, while questions about the origins of domesticated plants and animals and the date of their domestication have received much recent attention, anthropologically oriented research on early sedentary communities is a less developed field. This paper contributes to such research by focusing on the structure of early sedentary communities in northeast China and addressing such issues as their economic adaptation, the internal organization of households, economic activities and sharing strategies of household members, and mechanisms of community integration. Analysis of data from the Zhaobaogou site, the only early Neolithic site from northeast China for which a comprehensive excavation report was published, suggests that households were relatively independent production and consumption units with little sharing and exchange among households. The integration of the community was probably associated with non-economic activity such as religious rituals. Comparison of the patterns observed in the Zhaobaogou data with patterns from contemporaneous sites in the Wei River area highlights differences in the social organization of the early sedentary communities in the two areas. Those differences are meaningful for our understanding of the different socio-political trajectories of the two areas and may serve for cross-cultural comparisons with other parts of the world. 2005 Elsevier Inc. All rights reserved. Keywords: Neolithic; Northeast China; Household; Site structure; Sharing strategies; Agriculture; Zhaobaogou Finding the earliest evidence for the beginning of agriculture and sedentary life in China is a recurring theme of modern Chinese archaeology. Over the last 60 years this quest has brought to light increasingly extensive data on early Neolithic communities in different regions of present day China. In the * Fax: +972 3 6479306. E-mail address: [email protected]. 1960s and 1970s, Chinese archaeologists were able to push back the date of the Yangshao culture—discovered in the Yellow River basin during the early 1920s by the Swedish archaeologist Johan Gunnar Andersson (Fiskesjö and Chen, 2004)—to the 5th millennium BCE (Chang, 1986, pp. 107–156). During the 1980s, Chinese archaeologists discovered the remains of even earlier sedentary communities in this region, pushing back the beginning of the Neolithic Era in the Yellow and Wei River basins 0278-4165/$ - see front matter 2005 Elsevier Inc. All rights reserved. doi:10.1016/j.jaa.2005.11.007 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 to the 6th or even the late 7th millennium BCE (Chang, 1986, pp. 87–95). At the same time, early Neolithic sites have begun to be discovered at other parts of China, including the Yangzi River Basin, the east China coast and northeast China. Research in those areas that were once seen as peripheral to the development of Chinese Civilization—including its prehistoric foundations—has intensified during the last 15 years (Underhill, 1997). For example, the origins and early stages of rice domestication in the Yangzi river basin has been the focus of ongoing research. This fruitful academic activity has brought to light very early dates for the beginning of this process—the ninth millennium BCE or even earlier—and much new data on early Neolithic communities in the Yangzi region (Crawford and Shen, 1998; Higham, 1995; Higham and Lu, 1998; MacNeish et al., 1997; Pei, 1998; Sato, 2002; Yan, 1991; Yasuda, 2002). The discovery of early sedentary villages in other parts of East Asia, including northeast China, which are contemporaneous with the earliest sedentary villages known in the valleys of the Yellow and Wei Rivers, further challenges centralistic models of the development of agriculture in China and, more generally, in all of East Asia (Guo and Li, 2002; Shelach, 2000; Underhill, 1997; Underhill and Habu, 2006). While debates on where and when agriculture started and how it was spread are indeed fundamental, research should not be limited to questions of origins and regional diversity. We should attempt to use this growing database to address anthropologically meaningful issues pertaining, for example, to the social structure of those early sedentary societies: What were the dominant social and economic units—the nuclear family (or household) or the entire community? How was economic activity structured and organized? Was there already economic specialization (at a private or family level) and exchange within the community? Were economic resources shared among the community or ‘‘privately’’ controlled by families or individuals? What type of interactive forces kept the community together and what led to its dissolution? This paper addresses these issues through the analysis of data from the Zhaobaogou site—one of the earliest sedentary sites found in northeast China and the only one from this area for which a complete report has been published to date (Zhongguo, 1997b). My aim is to develop a more complex understanding of early sedentary societies in this region. One paper, based as it is primarily on old data, cannot, 319 of course, address all of these issues comprehensively, but I hope to focus attention on significant anthropologically derived research questions which future field research may address. The concluding section of this paper, which compares the Zhaobaogou community with the Jiangzhai community in the Wei River basin—an area more closely associated with the traditional core of the ‘‘Chinese Civilization’’—aims at highlighting meaningful differences in community structure and organization between the two regions. This compression suggests, for example, that communities in the Wei River area were more closely integrated and practiced inter-household cooperation more extensively than the more dispersed and individualized patterns of communities in northeast China. Rather than constructing rigid socio-economic models, this preliminary comparison aims at suggesting the possibility of different socio-economic trajectories and to catalyze fruitful debate on the components, structures, and development of a sedentary way of life in China. The early Neolithic age of northeast China: an overview The area of northeast China is located north of the Yan mountain range and centers on the drainage system of the rivers flowing into the northern part of the Bohai bay. It is located within the boundaries of the modern Chinese provinces of Inner Mongolia, Liaoning, Jilin, and Hebei, and lies roughly between 39 and 45 north latitude and 114 to 125 east longitude (Fig. 1). Archaeological research in the areas of northeast China, sometimes referred to in the past as Manchuria, started already in the early years of the 20th century and continued, albeit not very intensively, during the 1930s and 1940s under the Japanese occupation of this area (Guo, 1995; Hamada and Mizuno, 1938; Liang, 1959; Tong, 1957). Building on these early foundations, archaeological research during the early years of the People’s Republic of China was focused on the identification of local ‘‘cultures’’ and the establishment of their relative chronology (Liu and Xu, 1981; Zhongguo, 1974). With the introduction of radiometric dating to Chinese archaeology in the 1970s and the proliferation of local research, the chronological and geographical variables of this scheme were refined (cf. Guo, 1987; Liu, 1987; Liu and Xu, 1981; Xu, 1989; Zhang, 1991; Zhang et al., 1987; Zhongguo, 1987, 1988) (see Table 1). 320 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 R. ulun Xilam Zhaobaogou Shenyang Chifeng Survey area Beijing Bohai bay 100km Fig. 1. A Map of northeast China (mark location of the Chifeng survey and of the Zhaobaogou site). Table 1 Chronology of the Chifeng and the Wei–Yellow rivers regions Chifeng area Yellow river and Wei river Lower Xiajiadian (ca. 2200–1600) Xiaoheyen (ca. 3000–2200) Hongshan (ca. 4500–3000) Zhaobaogou (ca. 5250–4500) Xinglongwa (ca. 6000–5250) Erlitou (ca. 2100–1700) Longshan (ca. 2700–2100) Dawenkou (ca. 4000–2700)a Yangshao (ca. 5000–3000) Cishan/Peiligang Area (ca. 6500–5000) Dates in years BCE. a The Dawenkou culture is confined to the eastern part of this region and is partly contemporaneous with the Yangshao culture. One of the main goals of research in this area, as in many other areas of China, has been the search for early Neolithic cultures. The Hongshan period, dated to ca. 4500–3000 BCE, (which, until the mid 1980s, was considered to be the earliest Neolithic culture of northeast China), attracted much attention both in China and in the West, not least because of its advanced Jade industry and unique ritualistic expressions (cf. Childs-Johnson, 1991; Guo, 1995; Nelson, 1991; Shelach, 1999). Recognition of the pre-Hongshan occupation of northeast China started to emerge during the mid 1980s (Liaoning, 1988; Su, 1986; Yang, 1986; Zhongguo, 1985, 1987, 1988) but only gained official recognition in the early 1990s with the classification of two pre-Hongshan cultures, the Xinglongwa (ca. 6000–5250 BCE) and the Zhaobaogou (ca. 5250–4500 BCE). Stratigraphic excavations and radiocarbon dates from sites of both cultures have, over the past 20 years, confirmed their age, and they have become an accepted part of the regional sequence (Tables 1 and 2). Through the diligent work of Chinese archaeologists working in this region more than 100 Xinglongwa sites and a comparable number of Zhaobaogou sites have already been located (Li, 2003), most of them during exploratory work. More recently the remains of Xinglongwa and Zhaobaogou sites have been discovered as part of the systematic survey conducted by the Chifeng International Cooperation Archaeological Project, whose results are analyzed below. Within the area of 765.4 km2 surveyed, we identified 17 Xinglongwa and 29 Zhaobaogou sites (Chifeng, 2003; Linduff et al., 2004), suggesting that while the occupation density of the region during this period was not high (compare, for example the 160 Hongshan sites discovered in the same area) early sedentary sites are not rare either. Very few Xinglongwa and Zhaobaogou sites have been excavated so far and, with one exception, only preliminary reports on those excavations have been published to date. However, these data permit general observations about the sites and the material culture associated with the two periods (Shelach, 2000). Important Xinglongwa sites include the G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 321 Table 2 C14 dates from Xinglongwa and Zhaobaogou sites Culture Site Lab No. Source C14 date (half-life 5730) Calibrated BCE date Xinglongwa Xinglongwa Xinglongwa Xinglongwa Xinglongwa Xinglongwa Xinglongwa Xinglongwa Xinglongwa Xinglongwa Baiyinchanghan Baiyinchanghan Chahai Chahai ZK-1391 ZK-1392 ZK-1393 ZK-1390 ZK-2711 ZK-3070 ZK-2714 ZK-2715 ZK-1389 ? ? BA-93001 ZK-2138 Charcoal Charcoal Charcoal Charcoal Charcoal Charcoal Charcoal Charcoal Bone Charcoal Charcoal ? Charcoal 7470 ± 115 7240 ± 95 6965 ± 95 6895 ± 205 6775 ± 105 6694 ± 48 6630 ± 107 6534 ± 128 5660 ± 170 7040 ± 100 6590 ± 85 7360 ± 150 6925 ± 95 6211–5990 6032–5760 5730–5560 5740–5423 5579–5389 5520–5370 5438–5259 5432–5146 4510–4159 Zhaobaogou Zhaobaogou Zhaobaogou Xiaoshan Xiaoshan Xiaoshandegou Xiaoshandegou ZK-2136 ZK-2135 ZK-2137 ZK-2061 ZK-2062 ZK-2270 ZK-2269 Charcoal Charcoal Charcoal Charcoal Charcoal Charcoal Charcoal 6220 ± 85 6210 ± 85 6155 ± 95 6150 ± 85 6060 ± 85 6045 ± 90 5915 ± 125 5194–4847 5192–4842 5034–4782 4996–4784 4899–4717 4896–4676 4780–4470 Zhaobaogou Xinglongwa type-site (Zhongguo, 1997a) Baiyinchanghan, Chahai, and Nantaizi (Liaoning, 1988, 1994; Neimenggu, 1994; Neimenggu, 1997; Neimenggu, 2002; Yang and Liu, 1997; Zhongguo, 1997a) and the recently excavated Xinglonggou site (Liu, 2004a; Zhongguo, 2004). Important sites of the Zhaobaogou period, apart from the Zhaobaogou-type site (Zhongguo, 1997b), are Xiaoshan, Xiaoshandegou, Nantaidi, Houtaizi, and Anxinzhuang (Aohanqi, 1991; Zhao, 2003; Zhongguo, 1987). More detailed discussion of the cultural attributes of the Xinglongwa and Zhaobaogou periods can be found elsewhere (Shelach, 2000; Zhao, 2003). The main features of these cultures include rectangular semi-subterranean houses, usually arranged in parallel rows within the site. Xinglongwa settlements are sometimes surrounded by a narrow ditch, but this feature was not found at Zhaobaogou sites. The tool inventory of both cultures includes a variety of stone and bone tools, including bifacial and ground stone tools (at Zhaobaogou sites, most are polished), large grinding stones, flaked tools and microliths. Xinglongwa and Zhaobaogou pottery, among the oldest found in northeast China,1 is handmade. The quality of 1 Scanty evidence for even earlier ceramic production in this region is found at a few sites such as Nanzhuangtou and Hutouliang, both in Hebei province (Guo and Li, 2002; Shelach, 2000, pp. 377–378; Wu and Zhao, 2003). 5712–5530 the ceramics suggests low firing temperatures. While the variety of vessel shapes is very limited, their decorations are numerous and sometime quite elaborate. Decorative techniques include stamping, incisions, and appliqués. The most common ‘‘Z’’ motif, which is typical of both cultures, continues to be dominant during the latter prehistoric period and testifies to cultural continuity in this area. During the Zhaobaogou period, a few vessels are decorated with intertwining animal motifs which have been interpreted as having significant ritual meaning (Zhao, 2003, pp. 209–210; Zhongguo, 1987; Zhu, 1990). Other ritualistic or artistic artifacts, such as clay and stone statues of people and animals (Chengde, 1994; Zhongguo, 1997b, p. 95), as well as the possible remains of ritual structures (Zhongguo, 1997b, pp. 127–8), also appear during this period. Hunter-gatherers or Agriculturalists? Debates on the economic adaptation of early sedentary communities in northeast China The economic adaptation of the Xinglongwa and Zhaobaogou societies is assumed by many archaeologists to rely, to a certain degree at least, on agriculture and animal husbandry (e.g., Liu and Dong, 1996). Analyses of animal bones from the Zhaobaogou site suggest that while wild animals—different species of deer in particular—were still the main 322 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 source of meat, domestic animals were also becoming important. Analysis of the animal bones excavated from the Zhaobaogou site suggests that most of the meat consumed at the site came from two main sources: 63 deer and 26% pig meat (Zhongguo, 1997b, p. 199).2 Deer were obviously hunted but the pigs may have been domesticated species raised by humans. This is inferred from the homogeneity of their age distribution—most were between 1 and 2 years old at the time of death—a pattern associated, according to the excavators, with the butchering of domesticated animals rather than with hunting (Zhongguo, 1997b, p. 185). However, even this tentative identification of domesticated species is not universally agreed upon. In a recent study, Liu (2004b, pp. 88–89) argued that the morphology of the skeletons resembles more that of wild rather than domesticated pigs. While proofs for the domestication of animals during the Zhaobaogou period remains somewhat inconclusive, we do not even have such indirect evidence for the domestication of plants. Based on the prevalence of axes and ‘‘hoes’’ (si) among the stone tool assemblage, presumably used for clearing and tilling the fields, and the frequent finding of large mortars, pestles and rollers at Xinglongwa and Zhaobaogou houses, many archaeologists assume that agriculture was one of the main economic activities practiced by the population of those sites (Guo, 1997; Liu and Dong, 1996; Yang, 1994; Zhao, 2003; Zhongguo, 1997a,b). Microwear analyses conducted on a few of the larger stone tools from the Zhaobaogou site tend to support the claim that they were used to break the upper soil (Zhongguo, 1997b, pp. 238–243). While some archaeologists suggest that the transition to agriculture in northeast China predated the Xinglongwa period (cf. Wu and Zhao, 2003, p. 19), others raise the possibility that the population at the Xinglongwa and Zhaobaogou sites were hunter-gatherers, or that they relied mainly (if not exclusively) on wild food sources (Jia, 2005; Li, 2003; Liu, 2004b). Such claims find support in analogies to the Natufian culture (ca. 13,000–10,000 B.P.) of the Levant, where similar stone tools have been found and where the economy was focused on the intensive exploitation of natural resources rather than on the cultivation 2 This calculation was based on the MNI method and took into account the average weight of each species. of domesticated plants (Bar-Yosef and Belfer-Cohen, 1989; Bar-Yosef and Meadow, 1995; BelferCohen and Bar-Yosef, 2000). Analyses of plant remains might have contributed much to our understanding of this issue; however, such studies have only recently been initiated and the few botanical remains currently available from the excavations of early sedentary sites in northeast China are not sufficient to allow for a meaningful analysis. Studies of human remains is another method of addressing the diet of the ancient population. In a recent study of 10 human skeletons form the Xinglongwa site—seven of which belong to the Xinglongwa period, one to the Hongshan and two to the Lower Xiajiadian period—Zhang Xuelian and his colleagues found a relatively low levels of 13C isotopes among the Xinglongwa period skeletons. They suggest that such levels resulted from the intensive consumption of C3 plants, probably wild resources such as nuts (Zhang et al., 2003, p. 69). However, the sample they worked with was relatively small and other analyses they preformed, such as the ratio of the 15 N isotope in the human bones, do suggest the existence, during the Xinglongwa period, of animal husbandry and perhaps agriculture (Zhang et al., 2003, p. 73). Barbara Smith’s (2005) analysis of 53 human skeletons from the same site resulted in very similar conclusion. Among those skeletons, she found a relatively low level of the pathologies that are usually associated with a transition to agriculture, such as iron deficiency anemia, periosteal reactions, and dental caries. Comparison with human populations from sites of the Wei and Yellow River valleys suggested a relatively low level of reliance on agriculture among the Xinglongwa population. Settlement patterns of the Xinglongwa and Zhaobaogou periods in the Chifeng Survey area Analysis of settlement patterns is yet another way of addressing the economic adaptation of ancient populations. Below I attempt to do so using data recovered during the systematic survey carried out by teams of the Chifeng International Cooperation Archaeological Project. Within the of 765.4 km2 surveyed so far in the Chifeng region (Fig. 1) during the 1998, 1999, 2000, and 2001 seasons, 17 Xinglongwa sites and 29 Zhaobaogou sites G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 have been found3 (Linduff et al., 2004). Examining the spatial distribution of these sites provides, inter alia, indications about the economic adaptation of the societies which built them. Excluding from our analysis collection units with less than 3 pot shards from the Xinglongwa or the Zhaobaogou period— a measure against the inclusion of accidental findings that are not related to a ‘‘real’’ habitation site—leaves us with only 2 Xinglongwa and 16 Zhaobaogou sites. Comparing the distribution of sites from the Xinglongwa and Zhaobaogou periods to that of the Hongshan (ca. 4500–3000 BCE) sites—a period when agriculture was clearly the main economic resource (Guo, 1995; Zhao, 2003)—can help us evaluate the economic adaptation during the early periods. Similarities between the two distribution patterns will suggest that agriculture was fundamental to the Xinglongwa and Zhaobaogou periods, while the absence of such similarities will question and even negate this idea. Using GIS programs,4 I defined an area of 300 m around the 18 Xinglongwa and Zhaobaogou sites, and examined how many of those buffer zones include Hongshan sites. The results show a marked similarity between the two periods: half of the early sites (nine out of 18) are located within 300 m of a Hongshan site, among which three are found together in the same site area. Considering the large area in which those sites are distributed, such recurrent occupation of similar or proximate locations is, to my mind, suggestive. Information on the location of Xinglongwa and Zhaobaogou sites in other places seems to indicate a similar close proximity to later Neolithic sites. For example, a map provided in the excavation report of the Zhaobaogou type-site (Zhongguo, 1997b, p. 3, Fig. 2) shows that in its vicinity, within approximately 400 m, there are at least one Hongshan and two Xiaoheyan sties. To investigate this issue further, I analyzed the distribution of sites from those periods in relation to present day land-use categories. These categories, derived from a map published in 1988 (Neimenggu, 3 During the survey we recorded collection units, each more or less 100 m wide, rather than sites. Here, I treat adjacent collection units in which shards from the same period have been found as belonging to a single site. For a detailed description of the survey method used by the Chifeng International Cooperation Archaeological Project, see: Drennan et al., 2003a. 4 I used a combination of AutoCAD map and Idrisi programs to perform the GIS analyses discussed in this paper. 323 1988), are: 1, irrigated agricultural land; 2, non-irrigated agricultural land; 3, pasture; and 4, forests. I am conscious of the fact that the current land-use patterns do not necessarily reflect prehistoric landuse. For one thing, during the prehistoric times we are addressing, it is almost certain that people did not engage in irrigation agriculture, at least on the scale practiced today in the Chifeng area. Nevertheless, the logic of the analysis is that current land-use patterns can be seen as rough estimates of the agricultural potential of the land. Locations of today’s irrigated fields were always the moister areas and therefore best suited to agriculture. The agricultural potential of areas that today are used for dry agriculture was less in the past as well, and areas that today are used for herding were probably not suitable for agriculture then too. This is not to say that in some periods, depending on human motivations, areas that are used today for agriculture could not have been used for the collection of wild resources or for herding. Areas that are marked on the map as forests (those in the survey area are all recently planted forests) are problematic for our analysis because their location may not reflect anything meaningful about past land exploitation. The location of some of the patches of forested land near rivers suggests that they were planted in areas to which water can easily be brought and that they may occupy land that could otherwise have been used for agriculture or perhaps areas where marshland existed in the past. However, since the area occupied by such forests is not large, it does not affect our analysis in any meaningful way. In the analysis, I cross-tabulated the occupied and unoccupied areas of each of the land categories in our survey area for each period. For each land category, I calculated the ratio of occupied to unoccupied land. If sites were randomly placed on the land we can assume that the occupied area in each land category will reflect the size of land belonging to this category in our survey area. Deviation from this random selection mode would reflect, therefore, the attractiveness each type of land for the prehistoric populations. To compare between the periods, I standardized those numbers to an occupation index that totals 1 for each period. Table 3 and Fig. 2 clearly show that the land preferences of people of the Xinglongwa and Zhaobaogou periods and those of people of the Hongshan period are very similar. Both periods show preferences for what is today agricultural land. If anything, sites of the earlier periods are 324 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 0.6 0.5 0.4 XLW & ZBG HS 0.3 0.2 0.1 0 Forests Pasture Land NonIirrigated Agri. Irrigated Agri. Fig. 2. Occupation Indexes of the Xinglongwa and Zhaobaogou periods and of the Hongshan period at different landuse categories. Table 3 Distribution of Xinglongwa, Zhaobaogou, and Hongshan sites in relation to land-use categories Land type Xinglongwa and Zhaobaogou Irrigated agriculture Non-irrigated agriculture Pasture Forest Sum Hongshan Irrigated agriculture Non-irrigated agriculture Pasture Forest Sum Occupied (ha.) Unoccupied (ha.) Occupied/unoccupied Occupation index 0.647 1.399 0.193 0 2.239 2042.331 3374.596 1979.922 255.138 7651.987 0.000317 0.000415 0.000097 0 0.000829 0.382214 0.500178 0.117608 0 1 3.112 6.253 2.573 0.105 12.043 2039.866 3369.742 1977.542 255.033 7642.183 0.00153 0.00186 0.0013 0.00041 0.005094 0.300353 0.365135 0.255202 0.080487 1.0011776 even more heavily concentrated in the areas of today’s agricultural lands than sites of the Hongshan period. However, because the sample of sites from the earlier periods is relatively small, I would not attempt to attribute this slight variation to different adaptation strategies. Both periods show a slight preference for present-day non-irrigated over irrigated fields. One explanation for this phenomenon is that during prehistoric times, flat-land in the valley floors, where many of the fields currently under irrigation are located, was exposed to frequent flooding and therefore not settled (Shelach, 1999). This hypothesis is currently being tested in the field through a coring of the alluvial strata (Shelach et al., 2003). In conclusion, my GIS analysis of patterns of site location in relation to land-use categories indirectly supports the assumption that the population of the Xinglongwa and Zhaobaogou sites was engaged in agricultural cultivation. However, it is likely that hunting, fishing and probably the collection of undomesticated plants and fruits were all still important dietary sources. The Zhaobaogou site While systematic surveys provide data that is crucial for our understanding of the earliest sedentary settlement of northeast China, excavations of domestic sites are no less important, especially for the study of the dynamics at the site and household levels. Among the few Xinglongwa and Zhaobaogou sites excavated thus far, only one comprehensive report has been published—that of the Zhaobaogou site (Zhongguo, 1997b). Rather than try to incorporate data from several preliminary reports, I focused my analysis on the one comprehensive report. This focus, moreover, suits my interest in the synchronic organization of the early sedentary community in northeast China. The Zhaobaogou site is located at the Chifeng area in the eastern part of Inner Mongolia, some 25 km west of the city of Aohan banner (Fig. 1). A survey conducted here in the winter of 1982 located on the surface of the site 89 areas of burnt earth and artifact concentrations which were identified as remains of prehistoric structures (Zhongguo, 1997b, 64 5 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 325 650 640 F9 F8 F7 F14 F2 F6 F5 F3 F1 F13 635 F10 635 F105 Excavated Structure F101 F102 F103 633 F104 F106 639 Un-excavated Structure 50m Fig. 3. Map of the Zhaobaogou site (redrawn from Zhongguo 1997: 5, Fig. 3). pp. 3–5). The structures are organized in parallel lines more or less along the slope of the hill on which the site is located (Fig. 3). The site was divided by the archaeologists into two areas: Area I, at the northern part of the site from the top of the hill and on its southeastern slope, where 82 of the structures are located; and Area II, in the south, at a small saddle between two hills, where a smaller cluster of seven structures has been identified. One season of excavation was carried out at the site in the summer of 1986. All together 2000 m2 were excavated, in which 20 structures were found: 13 structures in Area I, and seven structures in Area II. Among these structures, three were identified as the remains of storage or refuse pits (F4, H4, and H101), while the remaining 17 are large rectangular structures (Table 4).5 Among the 17 structures three 5 According to the convention in China, remains of houses are marked with the letter F, pits are marked with H and graves are marked with M. Those letters derived from Romanization of the relevant Chinese terms. In the case of structure F4 at Zhaobaogou, it seems that the excavators first identified it as a house and than changed their mind but the label remained. are badly disturbed (F1, F10, and F102) and the rest are complete or disturbed in a relatively minor way. All complete houses include rectangular shallow pits in their center which were identified, based on their shape and on the burnt earth found in them, as hearths. Other features found in a few of the structures include post holes, niches, and storage pits. A few of the structures are divided into two halves; with the floor of the front half slightly elevated above the back part, creating a low step in the transition between them (Figs. 4 and 5). Artifacts, such as ceramics, stone and bone tools, as well as remains of animal bones, antlers and shellfish were found in all the structures. Most structures have one layer of accumulation of 20–60 cm in which most of the artifacts are found. This suggests that all were used for approximately the same period of time.6 6 The few structures in which the excavators identified two layers of accumulation are all structures that are divided into two parts—high and low. The second layer is always found in the lower section and seems to be associated not with a distinct period of occupation but with different accumulation processes in this lower part. 326 Table 4 Structures excavated at the Zhaobaogou site and the artifacts found in them Size (in m) F1 3 · 1.7 (not complete) F2 0.1 deep 7.8 · 6.35 (niche 1. · .2) 0.8 deep Features A niche added to the southwestern wall. Inside, a pit 1.05 wide and 0.8 deep Hearth 0.72 · 0.6, 0.1 deep (located in the lower part of the house) 2 post holes (D1–2) 2 depressions in the ground (K1–2) Hearth 0.8 · 0.78, 0.3 deep F3 4.9 · 4.7 F4 0.28 deep 0.4 · 0.4 · 0.1 F5 4.8 · 4.8 Hearth 0.82 · 0.82, 0.24 deep 0.2 deep Storage pit (H1 p 119) round, 0.51 wide and 0.43 deep A niche added to the southwestern wall. Inside there is a depression 0.36 deep Hearth 0.70 · 0.70, 0.164 post holes (D1–4) 2 depressions in the ground (K1–2) F6 8.9 · 7.7 (niche 1.48 · .1) 0.84 deep Ceramics Stone tools 3 (2 bowls bo; 1 deep container guan) 6 (1 mortar mopan; 1 pestle mobang; 1 stone ball qiu; 3 stone axes fu) 40: (21 guan, 17 bo, 2 zun). 52 (2 axes; 1 hoe si; 3 pestles; 2 mortar; 1 ball; 2 scrapers bing; 1 arrow head zu, 1 unclear; 39 microliths xishiqi). Other findings Remarks The house is not complete. More than half was destroyed by a modern road 3 bone tools 31 shells 108 animal bones (16 pig; 85 deer; 1 dog; 3 bear; 1 goose; 2 pheasant). Divided into two halves—high and low Areas of ashes (S1–S4) 4 (2 guan; 2 bo) 7 (5 axes; 1 pestle; 1 unclear) 1 bone tool 2 shells 7 animal bones (2 pig; 5 deer) 7 (4 guan; 3 bo) 9 (5 fu; 2 si; 1 blade; 1 pestle). 4 of these found in the storage pit 5 shells 11 bones in the storage pit: (10 deer; 1 pheasant) 26 (13 guan; 1 zun; 11 bo; 1 unclear). Of these, 4 are placed in the niche (1 guan; 3 bo). 8 (2 fu; 2 si; 1 blade; 2 scrapers; 1 core) Of these, 1 is placed in the niche (1 si). 1 bone tool 12 shells 22 animal bones (6 pig; 16 deer) Southeastern side destroyed—but does not seem that much is missing As small ash-pit, probably not a house. Storage or refuse pit? No artifacts found Partly destroyed Divided into two halves—high and low Area of ashes (S1) The zun is decorated with animal motifs G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 Structure F7 Hearth 0.74 · 0.74, 0.45 deep 0.32 deep Storage pit (H3, p. 122– 3), elliptic 1.14 · 0.9, 0.26 deep Hearth 0.74 · 0.74, 0.22 deep A niche added to the southwestern wall. Inside it there is a 1 m deep pit. Hearth: 0.92 · 0.92, 0.20 deep. 4 post holes (D1–4) F8 4.3 · 4 0.14 deep F9 9.7 · 8–10.15 Niche (1 · 1.2) 1.3 deep F10 4.5 · 4 F13 0.2 deep 4.5 · 4.8 F14 0.2 deep 4.8 · 4.0 F 101 0.12 deep 3.2 · 4.3 F102 0.5 deep 3.25 · 1.15 0.12 deep F103 4.0 · 5.25 0.54 deep 28 (12 guan; 2 zun; 10 bo; 1 dou; 3 unclear). 1 in storage pit 37 (7 fu; 5 si; 2 pestles; 3 mortars; 1 blade; 1 scraper; 2 other; 14 microliths; 2 cores). 2 in storage pit 4 bone tools 23 shell 27 animal bones (5 pig; 20 deer; 1 bear; 1 rodent). 1 shell and 4 animal bones in storage pit 9 (6 guan, 3 bo) 3 (1 fu; 1 si; 1 mortar) 6 animal bones (6 deer) 101 (39 guan; 38 bo; 4 spindle whorls; 13 circular potshards (leads?); 7 other) 49 (8 fu; 3 si; 4 mortar; 1 arrowhead; 28 microliths; 3 cores; 2 other) 29 bone tools 123 shells 308 animal bones (97 pig; 171 deer; 2 cow; 16 raccoon; 9 badger; 4 rodent; 1 swan; 7 pheasant; and 1 fish) Hearth 0.75 · 0.60, 0.12 deep 7 (3 guan; 4 bo) Hearth 0.74 · 0.63, 0.2 deep 14 (6 guan; 7 bo; 1 zun) 5 (2 fu; 2 si; 1 ball) 1 bone tool 7 shells 2 animal bones (2 deer) Hearth 0.74 · 0.8, 0.2 deep 5 (3 guan; 2 bo) 9 (3 fu; 3 si; 1 scraper; 2 microliths; 1 core) 8 shells 4 animal bones (1 pig; 3 deer) Hearth 0.65 · 0.65, 0.12 deep 7 (5 guan, 2 bo). 7 (2 fu; 1 mortar; 1 core; 3 other) 1 animal bone (1 bovine) 8 (4 guan; 4 bo) 2 (1 fu; 1 si) 27 (9 guan; 16 bo; 2 small clay human faces) 11 (2 fu; 2 si; 1 scraper; 2 pestles; 3 microliths; 1 other) Hearth 0.70 · 0.70, 0.16 deep 1 animal bone (1 deer) 2 bone tools Trapezoid shape. Divided into two halves—high and low. Areas of ashes (S1–S4). This house is very deep (1.3 m as compared to most houses that are 20– 30 cm). Artifacts were placed in the niche but it is unclear which Eastern half of the building is destroyed Perhaps partly destroyed (but not much) Southern half destroyed Area of ashes (S1). 1 ceramic bo was in the hearth Small southwest corner damaged Unique 2 small clay human faces (continued on next page) G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 6.15 · 4.5 327 328 Table 4 (continued) Size (in m) Features Ceramics Stone tools Other findings Remarks F104 3.95 · 7.4 Hearth 0.70 · 0.70, 0.16 deep 20 (15 guan; 5 bo). 20 (3 fu; 7 si; 2 scrapers; 5 pestles; 1 mortar; 2 other) 1 antler. F105 0.34 deep 4.3 · 3.6 Hearth 0.66 · 0.58, 0.10 deep. 26 (12 guan; 14 bo) 4 (1 fu; 3 si). Divided into two parts, high and low. Most artifacts and evidence of activity seems to be in the upper part Ashes scattered widely Small part of the southwest section is destroyed 19 (14 guan; 4 bo; 1 small music instrument) 19 (1 fu; 2 si; 1 blade; 2 scrapers; 1 arrowhead; 8 pestles; 2 mortar; 2 microliths). 1 shell 2 (1 fu; 1 other). 1 shell ornament 13 shells 3 animal bones (3 deer) Divided into two parts, high and low. Northwestern side of the house destroyed Most artifacts and evidence for activity seems to be in the upper part Areas of ashes (S1–2) Storage or refuse pit? northeast of F9 but not very close to any structure 0.29 deep F106 8.05 · 3.6 Depression (or storage pit) 0.14 deep near the northeastern wall (K 1). Some artifacts in it. Hearth: 0.62 · 0.58, 0.16 deep 0.36 deep H4 Elliptic 1.2 · 0.9, 5 (2 guan; 3 bo). H101 0.16 deep Elliptic 2.3 · 1.8, 0.3 deep 2 (2 guan). Storage or refuse pit? Near structure F103 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 Structure G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 329 Fig. 4. Drawing of House F6 of Zhaobaogou (after Zhongguo 1997, p. 29, Fig. 21). 1. Hearth; 2. Concentration of artifacts at the niche; d, posthole; k, shallow pit; and s, concentration of ashes. Fig. 5. Drawing of House F7 of Zhaobaogou (after Zhongguo 1997, p. 36, Fig. 27). 1. Hearth; H3, storage pit. Concentrations of stone artifacts and ceramics are marked inside the house. While it is possible that some of the artifacts found inside the structures were left there during the abandonment process, it is impossible to distinguish in the report between such artifacts and artifacts that were incorporated into the accumulation during the life-span of the structure. While at least one author 330 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 suggested that at some of the houses artifacts were rearranged during ‘‘abandonment rituals’’ (Li, 2003, pp. 97–98), I see no clear evidence for such activity or for the trashing of refuse inside the structures after they were abandoned. Consequently, in the following analysis I have treated all artifacts found in a single structure as part of one entity associated with activity that took place in the structure during the time it was occupied. The structures excavated at the site do not intrude on each other. It therefore seems reasonable to assume that they are all contemporaneous. This does not preclude the possibility that some were constructed slightly earlier while others were added as the local community developed. However, because the excavation report does not indicates any evidence for the secondary use of structures or the trashing of garbage into what may have been abandoned structures, I assume that the layout of the site represent its final form before it was deserted. Such considerations do not apply directly to the two separate areas of the site. Indeed, based on stylistic analyses, the excavators argue that the structures in Area II (at the southern part of the site) are earlier than those in Area I (Zhongguo, 1997b, p. 206). While I am not convinced by the details of this analysis, this reconstruction remains a viable option. In what follows, I treat all the structures at the site as being contemporaneous with each other but consider the possibility of a different scenario in which we are dealing with two separate phases of occupation, one slightly earlier in area II and one later in area I. The Zhaobaogou report does not mention any findings in the areas between the structures and it is not even clear if and how extensively those areas were excavated. We therefore have no information on activity that may have taken place in the open areas of the site. On the top of the hill, east of Area II, a stone wall 18.5 m long and 1.3 m high was located. The wall was excavated and only three potshards were found associated with it, all of them from the Zhaobaogou period. The wall is free-standing and not part of a building. Though its function (and perhaps even its date) is unclear, because of its unique features the excavators identified it as part of a ritualistic structure that was constructed and used by the Zhaobaogou community (Zhongguo, 1997b, p. 127). The investment in permanent structures, such as houses and storage facilities, and the presence of large stone tools and ceramic vessels suggest that Zhaobaogou was a sedentary community. However, as pointed out by Bar-Yosef (2001, pp. 5–6), analysis of animal bones, and especially the high incidence of commensal bones, is better evidence for year-round occupation than remains of human activities. Such direct evidence for sedentary occupation was indeed found at the Zhaobaogou site. Analysis of deer antlers found at the site demonstrates that the deer were killed in different seasons, supporting the hypothesis of year-round habitation of the site (Zhongguo, 1997b, p. 200). Village organization and house structure Ethnographic and ethnoarchaeological studies warn us against intuitive assumptions that houselike structures are invariably used for habitation and suggest that such structures can be used for non-domestic purposes, such as preparing food, storage, communal gatherings, etc. (Byrd, 2000; David, 1971; Oswald, 1987; Shelach and Peterson, n.d.). Following these precepts I have tried, in the discussion below, to adopt a clear terminology to distinguish between structure (any architectonic feature), house (a structure clearly used for dwelling) and household (the group of people who co-resided and shared economic tasks and decision making) (Blanton, 1994, p. 5; Netting et al., 1984). Clearly, such definitions also represent the hierarchy of our interpretations, from the most basic inference that connects material patterns observed in the excavation to intentional human activity, to a high order, and three times removed from the material patterning, interpretations of social relations. As I climb this ‘‘ladder of interpretations’’ I will try to make my assumptions and reasoning explicit. I argue below that at Zhaobaogou we have good reasons to suggest that most of the structures excavated thus far were indeed ‘‘houses’’ in the sense that people used them to prepare and consume food and to sleep in as well as, perhaps, for other purposes such as craft production and storage.7 This conclusion is supported not only by the size of the structures, which is large enough to house one or more persons, but also by material remains which we can associate with domestic activity. For exam7 Excluded from this generalization, and from my analysis, are the few structures which the excavators clearly identified as storage or refuse pits. These are labeled in the report as: F4; H2; H4; and H101. G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 Population estimates Population estimates are essential for any analysis of prehistoric societies. On the individual household level, such estimates are used, inter alia, to address the structure of the family and strategies of accumulating power, prestige, and wealth. On the community level, they are a vital component in addressing issues like adaptation to the local environment and procurement of resources, division of labor and specialization, and levels of social complexity (Kuijt, 2000; Shelach and Peterson, n.d.). Population estimates are also crucial, of course, for regional studies (see discussion in Drennan et al., 2003b). At sites like Zhaobaogou, it is tempting to use the number of contemporaneous houses and their sizes as the basis for population estimates. However, even if we can establish that all or most structures were indeed domestic units, (see above) it is not self-evident that differences in floor area among them represent differences in the number of inhabitants. Although such correlation is supported by many ethnological studies among non-urban populations (e.g., Brown, 1987; Casselberry, 1974; Cook and Heizer, 1968; Kolb, 1985; Kramer, 1979, 1982, pp. 116–126; Le Blanc, 1971; Naroll, 1962; Read, 1978; Watson, 1978; Wiessner, 1974; Yellen, 1977), variability in house size may also reflect differences in wealth or prestige among families of more or less the same size. Artifacts found inside the houses can help us to address this issue. Assuming that more people will use more artifacts, we can hypothesize that there will be a close correlation between house size and the number of artifacts found in it in cases where size is a clear reflection of the number of inhabitants. Using the sample of 14 undisturbed houses from Zhaobaogou, I conducted a linear regression analysis of those variables and found a positive and statistically significant correlation between the two—house size and the number of artifacts found in it (r = 0.800, F = 21.401, p = 0.001) (Fig. 6). A similar correlation is found between the size of the house and the number of animal bones found in it (r = 0.813, F = 23.48, p < 0.001). Though animal bones were not found at some of the houses in Area II of the site, (suggesting perhaps a different pattern of garbage disposal or abandonment for this area), the positive correlation of house size and the number of animal bones do suggest that the amount of meat consumed in each house was in direct proportion to its size, and presumably to the number of people residing in it. Correlation between the size of the house and the numbers of artifacts or animal bones found in it suggest that this size is determined by the number of people residing at the house. However, one may argue that this correlation may be biased because rich households use more artifacts and enjoy a better diet and therefore we can expect rich and poor households with an equal number of members to produce a different amount of refuse. Perhaps the 200 Number of Artifacts ple, in the center of each structure the excavators found a shallow rectangular pit which they identify as a hearth. Burnt ash found inside all of those pits and animal bones found in some of them confirm this classification and suggest that they were used to cook food and warm the houses. Domestic artifacts, and especially ceramic vessels used for cooking and serving food which were recovered from all the houses, further support this conclusion. Other functions evident in many of the houses (see below) such as storage, processing of animal and plant food, and craft production, suggest that we can see each structure as a place in which many of the household activities (though not all, of course) were aggregated. Such a co-variance of activity areas is typical to households (Netting et al., 1984). Though, of course, a household can reside at more than one house, my working hypothesis is that each structure in the site represents one household. 331 150 100 50 0 10 20 30 40 50 60 House Size 70 80 90 Fig. 6. Linear regression of house size against the number of artifacts found in it. 332 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 most direct way to decide whether the size of the house is a reflection of the number of people living in it or an expression of wealth and prestige is by correlating the size of the structure to the number of eating utensils found in it. The assumption is that while accumulation of certain types of objects and tools may also be associated with the accumulation of wealth, it is unlikely that simple eating and cooking utensils would serve this purpose. It is more likely that the number of such artifacts would be in direct correlation to the number of people using the structure to prepare and take their meals and to the length of time the house was used. Given a uniform rate of disposal for such artifacts for all the households in the Zhaobaogou site, and assuming that they were all built and abandoned more or less at the same time, the only independent variable is the number of dwellers. In the Zhaobaogou site, the type of ceramic bowl called bo (Fig. 7) is the only one that seems to have served as an eating bowl. The other common type, guan, may have served to store food or for cooking, and more elaborate types, such as zun, may be prestige items. Bo vessels were found in all 14 houses, which further supports my conclusion that they were all domestic structures. Linear regression of the size of each structure against the number of bo vessels found in it, while not as strong as the linear regression of all the artifacts, supports a clear and statistically significant correlation between the two variables (r = 0.762, F = 16.612, p = 0.002). I maintain, therefore, that for the Zhaobaogou site it is justified to make population estimates that are based on house floor area. The floor area of the 14 complete or almost complete structures excavated at the Zhaobaogou site ranges from 13.8 to 89.5 m2. The average size is 31.78 m2 (SD 22.8). This is more or less comparable to house sizes at the earlier Xinglongwa site of Nantaizi where the 32 complete houses found at the excavation range between 18.9 and 81.6 m2 and average 32.9 m2 (Neimenggu, 1997). However, the size of houses from the early sedentary sites in northeast China is almost double the mean house Fig. 7. Drawing of Bo ceramic vessels excavated from house F9 at Zhaobaogou (after Zhongguo 1997, p. 59, Fig. 46). G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 floor areas at the Jiangzhai site—a typical early Yangshao culture site from the Wei River basin (Shelach and Peterson, n.d.). At Jiangzhai, the house floor area ranges from 1.8 to 125.6 m2 with a mean house floor area of 18 m2. Houses at Zhaobaogou—and in extension at early sedentary communities in northeast China in general—stand out as being large not only in comparison to early Yangshao sites but also in a worldwide comparison. For example, in comparison to houses at sites of early sedentary societies in the Levant (Byrd, 2000, pp. 71–80), houses at Zhaobaogou are two to four times as large. Since the incipient attempts in the early 1960s much archaeological and ethnoarchaeological data has accumulated on the ratio of house floor area to the number of people living in it (e.g., Brown, 1987; Casselberry, 1974; Cook and Heizer, 1968; Kolb, 1985; Kramer, 1979, 1982, pp. 116–126; Le Blanc, 1971; Naroll, 1962; Read, 1978; Watson, 1978; Wiessner, 1974; Yellen, 1977). While the actual ratio of floor area each inhabitant occupied is still debated, most studies suggest a strong correlation between the two variables. Naroll’s (1962) pioneering cross-cultural comparison of 18 different societies can be seen as a starting point for such a discussion, and his estimate of 10 m2 per individual is still accepted by many (Kramer, 1979, p. 155, 1980:321). In a study of cross-cultural data from Samoa, Iran, and Peru, Le Blanc (1971) presents a range of ratios from 7.3 to 11 m2 of floor area per person, similar to Naroll’s original conclusion. But other studies since Naroll have suggested different ratios. Kolb (1985, p. 590), for example, has observed a mean density of 6.1 m2 per person for contemporary Mesoamerican villages, and Brown (1987), in a restudy of HRAF-collected residential density data for 38 societies (including hunter-gatherers, horticulturists, agriculturists, and pastoralists), observed this same mean of 6.1 m2/person (SD = 4.1 m2, range = 0.3–18.5 m2). He also re-coded data for 11 of Naroll’s (1962) 18 cases, corrections which decrease the mean dwelling floor area (for all 18 societies) from 10 m2/person to 6 m2/person (SD = 5.6 m2, range = 0.8–22.5 m2; Brown, 1987, pp. 32–33, Table 6). Similar ratios are also found by Casselberry’s (1974) study of New World societies. More recently, Byrd (2000, p. 83) has suggested that the residential densities of early Neolithic villages may be more akin to those of hunter-gatherer groups than to those of agricultural communities. 333 Research of residential densities among huntergatherer societies in North America and Alaska suggest a range from 0.8 to 7.7 m2 (Cook and Heizer, 1968, pp. 90–91; Hayden et al., 1996). A range of 3 or 4 m2 of house floor per person seem reasonable for such societies. Indirectly this is also confirmed by studies among African hunter-gatherers, which observe 5.9 to 10.5 m2 of campsite per person (Wiessner, 1974; Yellen, 1977). In the absence of any objective way to decide which of the ratios suggested best fit the situation at Zhaobaogou, I experimented with three different ratios: Naroll’s ratio of 10 m2/person; a ratio of 6 m2/person suggested by Brown (1987) and Casselberry (1974); and a ratio of 4 m2/person suggested by studies of hunter-gatherer societies (Table 5). The three ratios were used to project the population of the 14 excavated and undisturbed houses from Zhaobaogou. Contrary to the conclusion reached by Christian Peterson and myself (Shelach and Peterson, n.d.) in our study of the Jiangzhai site, and to Byrd’s conclusion about early sedentary communities in the Near East, the 4 m2/person ratio seems to produce an unreasonably high number of residents for each house. If each structure is considered to represent a family or a household, the size of 22 and 18 persons estimated respectively for the two largest structures, seems unreasonably high. Since ethnographic studies in different types of communities always note the existence of structures which house one or two persons, representing, for example, low points in the household’s life cycle (cf. Table 5 Population estimates of excavated houses in Zhaobaogou using three different ratios of residential density House Area (in m2) 10 m2/person 6 m2/person 4 m2/person F2 F3 F5 F6 F7 F8 F9 F13 F14 F101 F103 F104 F105 F106 49.5 22.1 23 71.6 22.7 17.2 89.5 21.6 19.2 13.8 21 29.2 15.5 29 5 2 2 7 2 2 9 2 2 1 2 3 2 3 8 4 4 12 4 3 15 4 3 2 4 5 3 5 12 6 6 18 6 4 22 5 5 3 5 7 4 7 Average 31.8 3.1 5.4 7.9 334 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 David, 1971; Netting et al., 1984; Oswald, 1987), even the average of eight persons per house seem very high. An average of 5.4 (median 4) suggested by the 6 m2/person is still high but more reasonable while an average of 3.1 persons (median 2) is relatively low. Such average numbers of people per household seems to suggest that structures housed units more or less akin to nuclear families. The large variability among the sample of households (from 1 to 9 persons according to the low estimate or 2–15 according to the higher ratio) may be associated with the household’s life-cycle and with natural variability among the household but, at least in the case of the larger households, it can also represent efforts to recruit additional household members. Taking these two ratios as high and low assessments, it is possible to project them onto the entire sample of structures located on the surface of the site and to estimate the range of inhabitants of the Zhaobaogou village. All together, 89 structures were identified by archaeologists at the site (Zhongguo, 1997b, p. 4). No structure seems to intrude onto another suggesting that they all may be contemporaneous. However, among the 20 structures excavated, three are storage or refuse pits and not houses. Applying this ratio of 17 houses to every 20 structures visible on the surface (85%), we arrive at 76 houses. The range of inhabitants of the site is therefore estimated to be between 236 and 388 people (or 217–378 if we exclude the six houses in Area II which the excavators suggest are earlier). This is in the range of contemporaneous villages from the Wei River valley, such as Jiangzhai and Banpo (Chang, 1986, pp. 108–122; Lee, 1993; Shelach and Peterson, n.d.). While the area of the Zhaobaogou site and its estimated population is larger than that of late Natufian and Early Neolithic sites in the Levant, it is more or less comparable to Pre-Pottery Neolithic B (PPNB) villages (Bar-Yosef, 2001, p. 24; Kuijt, 2000, pp. 80–81). This population estimate suggests that the Zhaobaogou was a relatively large community, far exceeding the range which Flannery (1972, p. 47), in his seminal paper, defined as belonging to the ‘‘compound’’ type. Based on ethnographic data, he suggests that communities belonging to this type usually housed some 20 people and only rarely more than 80. The Zhaobaogou village was not very densely occupied in comparison to contemporaneous villages in the Wei river valley (see Table 10). The excavators of the Zhaobaogou site estimated that the village covered an area of nine hectares. However, based on their map, which I digitized, I calculated that the residential area is between five and six hectares (depending on whether Area II is included or not). Using even this conservative estimate suggests a population density of 39–64 persons/ha., which is much lower than the estimated 285 persons/ha. for the Jiangzhai village (Shelach and Peterson, n.d.) but more or less similar to the suggested population densities in the Neolithic villages of the Levant (BarYosef, 2001, p. 24).8 Site structure and community organization As mentioned above, the houses at the Zhaobaogou village were organized in rows. Such an organization seems to emphasize the individual space of each house. Though the location of the entrance to the houses is not clear,9 their arrangement suggests that houses did not face each other. An alternative arrangement would be one in which houses surround a central plaza, where each of them faces the public space but also faces the other houses and therefore afford the households less privacy (Byrd, 1994; Flannery, 1972; see also the comparison below with sites of the Wei River valley). In his analysis of the Zhaobaogou settlement, (Li, 2003, p. 104) argues that house F9, the largest excavated so far in the site, served as a kind of focal point for the arrangement of the settlement. Though arrangement in rows is not conducive to the central placement of such a structure, Li seems to imply that this house, because it was larger and contained more artifacts than any of the other structures, was the location of the site leaders or most prestigious family (see also Wang, 2005). While similar arguments have been made for larger houses discovered in early Neolithic sites at the Wei and Yellow River basins, my analysis suggests that the size of the larger houses at Zhaobaogou and the amount of artifacts found in them are related to the number of people living in the house and not necessarily to social factors such as prestige or to the accumulation of wealth. 8 Kuijt (2000, p. 81) uses two ranges of population estimates, one around 90 people/ha., the other 294 people/ha. Both estimates, however, are based on ethnographic data from modern villages. 9 The protrusions from a few of the houses which are indicated on the site map (Fig. 3) are not entrances but rather niches dug into the walls of the house (see Fig. 4). G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 While I tend to see each house as the locus of a more or less autonomous household unit, it is worthwhile considering the hypothesis for the existence, at Zhaobaogou, of extra-household units (Wang, 2005; Zhu, 1997). In one of the only attempts to analyze the pattern of house distribution at the Zhaobaogou site, Zhu (1997) suggested that the houses were clustered in groups. He divided the central row of houses that was excavated at the site into four such groups: 1, F1 and F2; 2, F3, F5, and F6; 3, F7, F13, and F14; 4, F8. Zhu argues that each of those groups, except for the last one which may be incomplete, contains one large house which may be seen as the residence of the leader of this small group. Perhaps each group might be seen as an extended family that cooperates more within its boundaries than with other extended families. It is difficult to evaluate this model based on house location alone. For one thing, the partial excavation of the site forestalls a rigorous spatial analysis and comparison among a large sample of house groupings. The impression given by the map provided in the excavation report is that many of the unexcavated houses are not clustered in groups (Fig. 3). In fact, among the excavated houses F8 stands alone, as does F10, which was not included in my analysis because it is partly disturbed. The distance between houses F1 and F2 (15 m), which Zhu groups together, is almost as long as the distance between F2 and the houses in group 2 (24 m) or between groups 2 and 3 (16 m).10 Among the three houses designated by Zhu (1997) as the location of the leading family or persons in their respective groups, houses F2 and F6 are not only relatively large (41.5 and 71.6 m2, respectively), they also contain architectonic features, such as internal division of the house into two halves and post holes, not found in regular houses. Indeed, Li (2003) argued that the post holes represent a superstructure of the houses that distinguishes them from other structures in the site. However, house F7 designated by Zhu (1997) and Li (2003) as serving the same function is relatively small (22.7 m2) and displays none of those unique features. It seems, therefore, that among the four groups, half do not have the formal group attributes. 10 Distances were calculated from an AutoCAD map I produced from the map provided in the site report. Because the original map was not very detailed, there may be slight inaccuracies in my calculations. 335 A better way to evaluate Zhu’s proposal and to deepen our understanding of inter-household interactions is through the analysis of economic activities carried out inside the houses. If the clusters suggested by Zhu reflect meaningful social units, we should expect to find evidence for cooperation among them, such as the conducting of complementary activities in each of the structures, apart from that which is inferred for the entire village. We turn to such analysis in the next section of this paper. Resource management, economic specialization, and social stratification How people managed the resources available to them—how they were procured, processed, distributed among members of the household and the wider community, consumed or manipulated to acquire status or wealth—is one of the fundamental issues that every study of an early sedentary community must address. As discussed above, the size of the houses at Zhaobaogou and the type of artifacts, facilities and refuse found in them suggest that each was the focal area in which many household activities were concentrated and where members of the household resided. Correlating each structure and the materials found in it with one household provides the basis for our analysis of resource management and economic organization at the Zhaobaogou community. As pointed out by Flannery (1972, 2002) and Plog (1990), the way storage facilities are distributed within the site and among the domestic structures is a good indication of economic strategies and type of access people had to economic resources. At Zhaobaogou most houses have internal storage facilities. Dug-in storage pits were found inside houses F2, F5, F6, F7, and F9. No such storage facilities are found in houses in Area II but large guan vessels were found at all the complete houses in this area (F101, F103, F104, F105, and F106). These vessels, which are some 40 cm high and 30 cm wide holding up to 25 or 30 L of grain each, were found only in houses in Area II and were not found in those with built-in storage facilities. In addition to these ten houses, house F3, which did not have an internal storage facility, is the closest to F4, which seems to be an external storage pit. Therefore, of the 14 houses in our sample, only three (F8, F13, and F14) do not have any visible storage facilities. It is unclear if features H4 and H101, which are very shallow pits ranging in depth from 16 to 35 cm, were 336 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 used as storage pits, refuse pits or installations for other purposes. However, even if we take them to be some kind of external storage facilities, it is clear that most storage facilities at Zhaobaogou are distributed within the houses or in close association with an individual structure. This situation in which most households at Zhaobaogou had their own storage facilities, seem to be akin to what Plog (1990, p. 190) calls ‘‘restricted sharing,’’ where food resources are shared among members of the household but much less between different households. Such an arrangement is typical of societies in which ‘‘[r]isk is assumed at the level of the family’’ (Flannery, 2002, p. 421), though the possibility for some risk-sharing at the community level, in the direct form of shared storage or indirect social mechanisms such as gift exchange, should not be overruled. If, as argued above, we can see each of the 14 houses in our sample as a more or less independent case that represents the activities of one household, then we should attempt to explain the diversity of this sample. Clearly the houses in our sample are very different from each other in terms of their size and the quantity and quality of the artifacts found in them (Table 4). One explanation for this diversity, as discussed above, is the different number of people who used and dwelled in each house. But is this the only factor accounting for diversity? Using factor analysis to search for correlations in the multi-variable database seems to support this hypothesis (Table 6). All the formal variables of house structure and content are extraordinarily well correlated in Factor 1, which explains 82% of the variTable 6 Factor analysis of house features and artifactsa Factor 1 (82%) Animal bones Shells Bone tools Ceramic vessels House size Stone tools Hearth size 0.989 0.990 0.968 0.955 0.852 0.792 0.682 Factor 2 (11%) 0.011 0.056 0.138 0.167 0.155 0.456 0.695 Bold numbers indicate exceptionally high positive or negative correlations. a The factor analysis was preformed using principal components (PCA) method and a correlation matrix of extraction. The real values for each category were standardized (using SD method) and the analysis was preformed without rotation. Since only one factor, no. 1, had Eigenvalues higher than one the cutoff criteria was lowered to include the second factor as well which had an Eigenvalue of 0.77. ability of our sample. In other words, large houses are likely to have many animal bones, bone tools, ceramic artifacts, etc., while houses with few ceramic vessels are also likely to be small and with few stone artifacts, etc. Hearth size is the one factor which is less well coordinated with the rest and which, in Factor 2 (which explains 11% of the variability), seems to stand on its own. It is unclear, however, what the meaning of differences in hearth size is and if the size of the hearth would change much in accordance to house or population size. Tool-kits and craft specialization While looking at the formal attributes gives the impression that the only variable affecting the diversity was the size of the family, examining each of these categories in more detail could result in a more complex picture. One way of approaching such an analysis is by dividing the artifacts found according the their function, and constructing activity toolkits in order to examine the kinds of activities that took place in each of the houses (Shelach and Peterson, n.d.). Admittedly, such an analysis is speculative, especially since I did not examine the artifacts themselves and in most places relied on the classification made by the excavators in their site report, and in some cases on my common-sense assessment. Although specific aspects of my classification might be challenged, I argue that the overall patterns it suggests are meaningful. My classification includes eleven activity toolkits: 1, heavy activity tools (for clearing and toiling fields(?), such as the stone axe, fu, and hoe, si); 2, light activity tools (for wood, bone or leather processing, e.g., scrapers); 3, cutting and butchering (stone blades and microliths); 4, plant processing (mortars, pestles, and rollers); 5, stone tool production (stone core; whetstones); 6, hunting/warfare (stones points; bone and antler points; and stone balls); 7, cooking/serving (ceramic cooking pots, bowls); 8, storage (installations and large ceramic guan); 9, spinning (ceramic spindle whorls); 10, art and rituals (figurines; animal decorations, ceramic musical instruments); and 11, Ornaments (perforated shells and bones). Tabulating the number of activities associated with each structure suggests that more activities are present at the larger houses (Table 7). This makes statistical sense, since larger artifact samples may be expected to contain more types of artifacts than smaller ones. However, it may also suggest that more activities, especially 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 0 1 1 0 0 0 0 0 1 1 1 1 0 1 1 1 0 0 1 1 1 0 1 1 0 0 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 1 0 0 0 0 Plant processing Cutting and butchering 1 0 0 1 1 0 0 0 1 0 1 1 0 1 In the individual activity columns, 1, present; 0, absent. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9 4 4 6 8 3 9 3 5 5 7 5 3 8 49.5 22.1 23 71.6 22.7 17.2 89.5 21.6 19.2 13.8 21 29.23 15.5 29 F2 F3 F5 F6 F7 F8 F9 F13 F14 F101 F103 F104 F105 F106 1 0 0 1 0 0 1 0 0 0 0 1 0 1 Heavy activity tools Number of activities Light activity tools the less common ones, were conducted by the larger households. Perhaps such larger households could coordinate better the household tasks so as to free some members to perform activities which smaller households did not have the manpower to perform. A linear regression of house size and the number of different activity kits found in the houses shows a positive correlation between the two variables, but the statistic significance of this correlation is not very strong (R = 0.593; F = 6.493, p = 0.026). An association can also be made between the number of activities and the internal division of the house. Assuming that such internal division, even if symbolic, represents a more rigid arrangement of space and a more complex assignment of place to activities, we would expect such structures to allow for a larger variety of activities to take place in them. This is indeed the general case, perhaps because houses with an internal division are usually also the larger houses in the sample, but there are clear exceptions, such as house 104, which is internally divided but has only five types of activities, and houses F7 and F103 which are not divided but have eight and seven types of activities respectively. Activities appear not to have been clustered at one part of the site, as shown in Fig. 8. All in all, it seems that although there is some relation between the size and structure of the house 3 Size Internal division of the house 337 9 House Table 7 The distribution of activity tool-kits at the excavated houses in Zhaobaogou Stone tool production Hunting/ warfare Cooking/ serving Spinning Storage Art and rituals Ornaments G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 5 3 8 4 6 4 9 House with internal division 6 Number of activities 3 5 50m 5 8 7 Fig. 8. Schematic map of the excavated houses at Zhaobaogou and the number of activities associated with them. 338 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 and the number of activities carried out in it, there are also other factors that contribute to the variability. For one thing, no one house, even not the largest (F9), contains evidence for all of the 11 activities defined. There seems, therefore, to be some sort of household specialization and exchange among the households. This impression is supported by factor analysis that correlates the different activities (Table 8). It is clear that all houses had ceramic vessels for preparing and serving food. This supports our assumption that all structures were dwelling units where, at the minimum level, households gathered to eat and sleep. All structures also had heavy stone tools, presumably used for clearing and preparing the land. This suggests that the household was also the basic unit of production. Factor analysis of all other activity kits suggests the clustering of activities around certain households. Factor 1, which explains 21% of the variability, strongly correlates hunting activity with cutting tools kit that may have been used for butchering or processing of the meat. It is also associated with what I call light activity tools, such as stone scrapers, which may have been used for the processing of hides. The association, in factor 2 (which explains 18.5% of the variability), of spinning tools and ornaments is perhaps less meaningful, because spinning tools were found at only one house and ornaments at two. However, both houses (F2 and F9) are among the largest of the houses, suggesting that such activity was done by the largest households and the products perhaps exchanged with the other families. An interesting association of plant processing tools and storage facilities (component 3; explaining 16% of the variability) suggests that while most households had their own capacity for processing and storing plant foods, some (such as those dwelling in F13 and F14) were dependent on others for some of their basic food. Stone tool production stands as a relatively isolated activity (component 4; explaining 15% of the variability) which may suggest specialization in small stone tool production. It is interesting to note that while some evidence for such activity was found at the largest houses (F2, F6, and F9), other houses in which it was carried out were among the smallest of our sample (F14 and F101). Artifacts associated with art or ritual activity, which is somewhat correlated to the light activity stone tool kit (component 5; explaining 16.5% of the variability) is another activity which seems to be concentrated not in the largest houses but rather in small and medium size houses. Using the relative proportion of artifacts from each category (row percentages), rather than the present/absent index, produce similar—though not identical—correlations among the different activities (Table 9). While some type of specialization is suggested by the above analysis, for a true type of specialization, which is based on the production of certain artifacts or food by a few families and the exchange of those special products among the families, we would expect to find not only positive correlations among different activities but also negative correlations. In other words, we would expect to find some households specializing in certain types of activities while avoiding those activities that their neighbors do. While a few such correlations are found in Table 9—but not in Table 8 which is based on the presence or absence of activities within the households—the situation in Zhaobaogou may be better described not as specialization but as an aggregation of activ- Table 8 Factor analysis of activity-kits from excavated houses at Zhaobaogou (based on present/absent data)a Hunting Cutting and Butchering Spinning Ornaments Plant processing Storage Stone tool production Art and Rituals Light activity tools 1 (21%) 2 (18.5%) 3 (16%) 4 (15%) 5 (16.5%) 0.819 0.813 0.216 0.453 0.252 0.186 0.175 0.074 0.430 0.324 0.064 0.901 0.643 0.007 0.213 0.195 0.098 0.488 0.006 0.126 0.079 0.221 0.889 0.770 0.052 0.016 0.083 0.009 0.329 0.120 0.360 0.164 0.197 0.921 0.098 0.432 0.037 0.257 0.056 0.171 0.173 0.397 0.057 0.953 0.545 Bold numbers indicate exceptionally high positive or negative correlations. a Heavy activity stone tools (for clearing and tilling fields [?]) and cooking and serving vessels were found in all the houses. The factor analysis was preformed using principal components (PCA) method and a correlation matrix of extraction. The cut-off criterion was an Eigenvalue of 0.7 and the Varimax rotation solution was applied. G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 339 Table 9 Factor analysis of activity-kits from excavated houses at Zhaobaogou (based on percentages of tools in each house)a Hunting Cutting and Butchering Spinning Ornaments Plant processing Stone tool production Art and Rituals Light activity tools Cooking and serving Heavy Activity 1 (26%) 2 (21%) 3 (17%) 4 (12.5%) 0.035 0.633 0.882 0.969 0.128 0.017 0.097 0.138 0.031 0.447 0.070 0.205 0.161 0.074 0.190 0.012 0.877 0.858 0.005 0.556 0.010 0.388 0.126 0.026 0.550 0.132 0.125 0.312 0.987 0.421 0.182 0.271 0.063 0.057 0.614 0.808 0.251 0.152 0.075 0.061 5 (9%) 0.918 0.463 0.130 0.163 0.004 0.156 0.133 0.048 0.029 0.414 Bold numbers indicate exceptionally high positive or negative correlations. a Storage facilities were excluded because calculating their percentage, relatively to artifact types, is meaningless. The factor analysis was preformed using principal components (PCA) method and a correlation matrix of extraction. The cut-off criterion was an Eigenvalue of 0.7 and the Varimax rotation solution was applied. ities in certain households. Such an aggregation may be associated with the size of the household and with strategies of risk management. Although we did not find in Zhaobaogou clear differences in wealth or prestige among the different households, the marked differences in the size of the families, as reflected by differences in house size, may by itself reflect incipient strategies that lead to such developments. As argued by Byrd (2000, p. 86), differences in the size of households could reflect ‘‘the ability of some families to mobilize more labor by getting unattached individuals into their families.’’ Pooling of activities by the larger households may reflect the same process. By incorporating more people into the family and conducting more diverse activities, the larger households could perhaps provide more security for their members. However, in Zhaobaogou at least, we do not have evidence that this resulted in any direct advantages, such as better diet for members of the larger households, or in the development of clear stratification among the households. Early sedentary societies in northeast China and the Wei river valley: two models of socio-economic organization? The analysis of the Zhaobaogou data suggests that the structure of early Neolithic sites in northeast China and the social organization of the communities that resided in them were quite different from that of early sedentary communities in the other parts of China or in the Near East. Houses were arranged in rows rather than around a common plaza, the houses were all rectangular in shape and relatively large, and the storage of food was done internally rather than externally. Pursuing this comparison can illuminate important aspects of the social organization of early sedentary communities and the variability among such societies. This can have meaningful results for the study of human society in many parts of the world. To exemplify this theoretical aspect, I compare the Zhaobaogou community with that at Jiangzhai, one of the best known early Neolithic village of the Yellow and Wei Rivers region and a type-site which figures prominently in many models describing the socio-political and economic processes in this region (cf. Chang, 1986, pp. 116–119; Gong, 2001; Lee, 1993; Underhill and Habu, 2006, pp. 128–129). Jiangzhai is an Early Yangshao period (Banpo Phase, ca. 5000–4000 BCE) village located in the Wei River basin near the modern city of Xian, in the Shaanxi Province. Excavations that were carried out from 1972 to 1979 exposed almost the entire site area, and the final site report for Jiangzhai (Xian, 1988) is one of the most comprehensive records of Neolithic village occupation anywhere in the world and allows for a comprehensive analysis (Lee, 1993; Shelach and Peterson, n.d.). While a detailed discussion of the Jiangzhai site is beyond the scope of this paper, the main features of it are summarized in Table 10. The Zhaobaogou and the Jiangzhai sites represent contemporaneous sedentary communities of roughly the same size. According to the terms developed in Flannery’s seminal paper on the types of early sedentary communities in the Near East and Mesoamerica, they are both ‘‘true villages’’, as opposed to the smaller and more temporary type 340 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 Table 10 Comparison between the Jiangzhai and Zhaobaogou sitesa Jiangzhai Site area Site organization Zhaobaogou 1.8 ha. Central plaza; groups of houses clustered around a large house. Residential area surround by ditch Contemporaneous houses 90 ± House structure Single room structures. Circular and rectangular, semi-subterranean and on surface. Average house size 18 m2 Storage Outside and not associated with individual houses Other features Dug-in hearths A few houses have earthen platforms a 5–6 ha. Parallel lines of houses with no common plaza or open space. No clear site boundaries 70–80 Single room structures. Rectangular, semi-subterranean. 31.78 m2 Inside most houses Dug-in hearths A few houses are divided into higher and lower parts Data for Jiangzhai comes from the final site report (Xian 1988); the interpretation of this data follows Shelach and Peterson (n.d.). of ‘‘compound’’ or ‘‘homestead’’ (Flannery, 1972). However, the significant differences which are found between the two sites, and more generally between sites in the Wei and Yellow River basins and sites in northeast China, suggest that the category of ‘‘village’’ may subsume societies that are quite different from each other. One of the formal differences in the attributes of the two sites is the much larger average house size at Zhaobaogou (Table 10). As pointed out by Byrd (2000, p. 85), expansion in the average size of domestic structures can reflect ‘‘a trend toward greater use of internal space for domestic activities, storage, and production.’’ Clearly, the fact that storage was done internally in Zhaobaogou and externally in Jiangzhai can explain some of the differences in house size. This, however, does not yet explain the reason for such tendencies. Why do some societies choose to conduct most of the household activities indoors while in others much of the same activity was carried out in the open? Climate differences among the regions may be one such explanation. Perhaps the harsh conditions during the long winters of northeast China forced people to use the houses for activities which, in warmer environments, are done in the open. An example of such an interpretation is Lee’s (1993, p. 140– 141) suggestion that at Jiangzhai, cooking was done in external hearths. Although Shelach and Peterson, n.d. argue against this interpretation, it is possible that other activities, such as craft production, were done in the open public space. While climate seems to be an intuitively plausible explanation for the differences in house size, this hypothesis was rejected by Brown (1987, p. 30–31) who found, in the analysis of a cross-cultural sample of 38 societies, that global differences in mean house floor area per person are unrelated to specific temperature or precipitation regimes. I too am inclined to assume that the concentration of activities inside the houses rather than in the open is more a function of the socio-economic structure of the society than of climatic conditions. The fact that storage in Zhaobaogou was done internally, is associated, I believe, with the way resources were managed and shared. If anything, the cold and dry conditions of northeast China are more suitable for exterior storage than those of the more humid Wei River valley or the Levant. Regardless of the origins of such differences, it is quite clear that households in Zhaobaogou were much more independent in comparison with their Jiangzhai counterparts. The aggregation of activities, including storage, inside the houses at Zhaobaogou suggests a restricted form of sharing— mainly within the household, as opposed to the more ‘‘open sharing’’ and communal orientation of household at Jiangzhai. The same is evident by examining the overall layout of the sites. As charted in Table 10, the Jiangzhai pattern, with houses clustered close to one another, surrounded by a moat and facing a common courtyard, suggests much greater communal integration than that of the Zhaobaogou site, where houses are much more widely dispersed and where site boundaries are not clearly demarcated. As pointed out by Wiessner (1982, p. 174): ‘‘Camp plans from various societies which share widely within the camp,. . . depict an open site layout which allows members of each household to see what others around them are doing at all times of the day.’’ This description is clearly applicable to the organization of the Jiangzhai G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 village. In Zhaobaogou, on the other hand, the organization of houses in parallel lines obstructs visibility and enhances the individual space of each structure. Decreased visibility can be seen as a mechanism for preventing jealousy and inter-household conflicts in a more individualistic society (Byrd, 1994; Wiessner, 1982). As seen in Table 10, while the number of houses at Zhaobaogou is more or less the same as in Jiangzhai, they are dispersed over an area three time as large. This low density of occupation, or the spreading out of domestic structures, can also be seen as a mechanism to decrease inter-household tensions. Although, as pointed out above, the analysis of Zhaobaogou suggests a society in which the individual households were the main social entities and where community-wide sharing and cooperation was limited, the co-residency of several hundred people in a relatively confined space is unimaginable without some integrative mechanisms (Byrd, 1994; Flannery, 1972, 2002; Plog, 1990). Such mechanisms were necessary to reduce tension and resolve conflicts among households and individuals, and to promote group cohesiveness and enable cooperation in economic activities such as the clearing of agricultural fields. At Jiangzhai, the central courtyard where communal activity took place is a clear correlate for such a mechanism (compare to Rautman, 2000) as are the large houses which some argue served for communal meetings (Gong, 2001; Lee, 1993). The ditch which surrounded the site, an installation more than 1.5 m deep and more than 2 m wide and some 500 m long,11 is both a visual marker of community integration and clear outcome of a community-wide cooperative effort. The construction of such a large-scale work must have required the cooperation of members from all the households in the community. At Zhaobaogou archaeological correlates for integrative mechanisms are less clear.12 If the remains found on the hilltop above the site are indeed of a ritualistic structure, as suggested by the excavators (Zhongguo, 1997b, p. 127), then inte11 It is unclear whether the ditch surrounded the entire village or only three sides of it. 12 The boundaries of some Xinglongwa sites, such as Xinglongwa and Baiyinchanghan, are demarcated by a narrow ditch (Guo, Bao, Suo, 1991; Shelach, 2000, p. 401; Zhongguo, 1985). While this may be a symbolic manifestation of community integration, because of their small scale their construction demanded less of a cooperative effort. No ditches have so far been found at sites of the Zhaobaogou period. 341 gration may have been achieved through ceremonies carried out outside the domestic area of the site. It is worthwhile, perhaps, to note that ritualistic structures were identified by archaeologists in at least one other early Neolithic site in northeast China (Wang, 2005). I suggest that the models of social organization which were found at the Zhaobaogou and Jiangzhai sites be seen not as two evolutionary stages but as two parallel models of village societies. They can also be seen as the starting point for the parallel but different trajectories of the Neolithic of the Wei–Yellow Rivers area and of northeast China. These trajectories culminated in the Wei and Yellow Rivers area with the fortified sites of the Longshan period which seem to continue the early Neolithic emphasis on communal integration and public works (Chang, 1986; Underhill, 1997). In the northeast it culminated with the Hongshan period, famous for its ritualistic structures and ritually oriented craft, but in which villages seem to be quite dispersed (Chifeng, 2003; Guo, 1995; Shelach, 1999). Conclusions Transitions to food production and to a sedentary way of life are among the most significant developments in the history of humankind. Research about their origins and spread from one area to another is crucial, and we should attempt to understand more fully the complexity of the social, economic and political consequences of such processes. The kind of anthropologically oriented research needed to address those issues requires that we use ethnographic analogies and make certain assumptions abut human behavior. While the validity of some of the analogies and assumptions I have made in this paper may be challenged, I think that without them we are unable to advance this research and develop new models. The real value of such research is, to my mind, that it inspires new and more sophisticated research. The ideas and models presented in this paper should not be seen—and I certainly do not regard them—as conclusive. Rather, we should see them as hypotheses to be tested. Future research designed to test those and other anthropologically derived models will undoubtedly deepen our knowledge of early sedentary communities in northeast China. I expect, for example, that new data on botanical remains found in site, and analysis of human bone such as the work already started by Zhang Xuelian and 342 G. Shelach / Journal of Anthropological Archaeology 25 (2006) 318–345 his colleagues and by Barbara Smith (Smith, 2005; Zhang et al., 2003), will increase our knowledge of economic activities and consumption patterns. Complete publication of excavated data from more sites in this region and the excavations of new ones, perhaps done explicitly to test some of the ideas raised here about issues of residency and sharing strategies, will enable advanced analyses that will produce more conclusive results. Addressing anthropologically derived questions through field research and the analysis of data pertaining to early sedentary communities is important not only for a better and more complex understanding of the socio-political and economic trajectories of northeast China but for comparative purposes as well. As I tried to demonstrate in the last section of this paper, such comparisons could highlight meaningful aspects of the local trajectory which are not otherwise visible. Moreover, it is only through such comparative work that we can gain a better understanding of human behavior and the choices made by individuals and societies. On the other hand, such comparisons should be seen for what they are: generalizations on differences and similarities among human societies. Such generalizations, including those presented above about early sedentary communities in northeast China and the Wei River valley, will hopefully catalyze more research in each of the regions which, in the future, will enable better comparisons among them and with other regions in China and world-wide. Acknowledgments This paper was written during my stay at the Institute for Advanced Study in Princeton; I am grateful to the members and staff of this Institute for their help and advice. I am also grateful to my colleagues at the Chifeng International Cooperation Archaeological Project for allowing me to use the data we have collected together, and to Li Xinwei, Jia Weimin and Barbara Smith for sending me their dissertations. I benefited immensely from comments on early versions of this paper from Robert Drennan, Christian Peterson and the two anonymous reviewers. Needless to say, I am solely responsible for the opinions presented in the paper. References Aohanqi bowuguan, 1991. 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Glossary Glossary of Chinese terms and place names Anxinzhuang: ; ; Aohan banner: ; Baiyinchanghan: ; bing (scraper): ; bo (ceramic bowl): ; Bohai bay: Chahai: ; ; Chifeng region: ; fu (stone axe): guan (deep container): ; Hongshan: ; ; Houtaizi: ; Jiangzhai: ; mobang (pestle): ; mopan (mortar): Nantaidi: ; Nantaizi: ; Si (‘‘hoe’’): ; ; Wei River: Xinglonggou: ; Xinglongwa: ; Xiaoshan: ; ; Xiaoshandegou: ; xishiqi(microliths): ; Yan mountains: ; Yangshao culture: ; Zhaobaogou: zu (arrow head): ; zun (ceramic vessel):
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