Chapter 2 The Yangtze River Impacts and Early Nanjing Geography 2.1 Cultural Landscape Change Along Yangtze River in Ancient Times The Yangtze River flows from west to east geographically. Throughout history this mighty river, divides the territory of China into two parts, with the North and South both taking the Yangtze River as their boundary. Changes of the Yangtze River influenced the migration of towns, villages and settlements, and the rise and fall of culture along the Yangtze River. Yangtze River nurtured civilization along both its sides, but served as a demarcation line between civilizations. Ancient cultural differences along the north and south of the Yangtze River were greater than differences along the north and south sides of the Yellow River [1]. By the time that civilization on the Yellow River had reached a very high level, the Yangtze River Basin was still a wild land [2]. The Xia (2100 BC–1600 BC), Shang (1900 BC–1029 BC), and Zhou (1029 BC–771 BC) Dynasties, from which the Chinese civilization originated, the rise of the Spring and Autumn Period, and Warring States Period, the development of the Qin and Han, Wei, Jin, Sui, Tang, and Song Dynasties, all took place along the Yellow Rivers’ bank. Neolithic agricultural civilization along the Yellow River was based upon corn, while along the Yangtze River it was based upon rice. The lands to the north of the Yangtze River are relatively cold and there are many imposing mountains and hills, and further north there are expansive grasslands and deserts. The urban architectural landscape is magnificent, and the people in the north are rough and steadfast. Throughout history, many fighting heroes began their journey in the north. Comparatively, the south of the Yangtze River is relatively warm and rainy, characterized by its many knolls and moors, with rivers and lakes intersecting, and flowers blossoming. The elegant, skillful urban architectural landscape, and delicate, quiet culture has nurtured many poets, artists and scholars throughout history (Fig. 2.1). © Springer Science+Business Media Singapore 2016 Y. Yao, Nanjing: Historical Landscape and Its Planning from Geographical Perspective, Springer Geography, DOI 10.1007/978-981-10-1637-0_2 15 16 2 The Yangtze River Impacts and Early Nanjing Geography Fig. 2.1 Seven capitals in Chinese history During the Wei, Jin, Southern and Northern Dynasties (220–589 AD), wars were frequent in Yellow River Basin [3]. A large number of the Hans people migrated to the south bank of Yangtze River forming a Han political, economic and cultural center in Jiankang (Nanjing in Eastern Jin Dynasty and Southern Dynasty). Along the Yangtze River and its tributaries there were many cities of many different sizes, becoming China’s east–west axis of urban economy. The vegetation was plentiful on the south of the Yangtze River. Cultural landscape featured by low bridge and stream running, and the natural landscape characterized by soft wind and mild drizzle nurtured literati garden landscape forming harmonious and warm gardens, especially with the use of waterscape. In the history of world civilization, Chinese literati gardens with natural landscape aesthetics appeared in the lower reaches of the Yangtze River in the Wei, Jin, Southern and Northern Dynasties. 2.2 Changes in Nanjing Section of the Yangtze River and Impacts The Yangtze River, flowing from west to east, originates in the Qinghai-Tibet Plateau with the upper reaches flowing through the valleys and hills. During historical periods, the plane swing of riverbed was very small. The lower reaches of 2.2 Changes in Nanjing Section of the Yangtze River and Impacts 17 the Yangtze River, located in the vast plains witnessed frequent and complicated changes in Yangtze River water system in historical periods. The south banks’ lower reaches of the Yangtze River region are characterized by steep cliffs, such as the famous Chenglin cliff, Caishi cliff, and Yanzi cliff; while on the North Shore, there are wider accumulation terraces and floodplains. Changes in river courses are related to the transfer of sedimentation center in coastal areas during times of crustal movement, and the ebb and flow influenced by shore currents along the coast. Nanjing is located in the composite site of valley alluvial plains and low mountains and hills in the lower reaches of the Yangtze River. Triassic and earlier strata were shallow sea strata, some of which were the land and interconnected by sea and land. Since Jurassic era, these lands are all terrestrial. 5000–6000 years ago, the sea level of East China Sea was 2–4 m higher than that of modern times. The lower reaches of the Yangtze River were hot and rainy, with lush forests and was vast and open. Much of Eastern Jiangsu Province, Shanghai and other regions in the lower reaches of the Yangtze River were under seawater. The estuary was in Zhenjiang, located 50 km east of Nanjing, forming Nanjing bay, and surrounded by swamps. 3000–4000 years ago, equivalent to the period from Yao’s ruling to Xia Dynasty, the lower reaches of the Yangtze River and North China Plain (NCP) suffered from floods, which resulted from the north movement of southwest monsoon peak, rather than flow disintegration in the north [4]. High temperature, rainfall, and rising sea level caused floods in low-lying coastal farmlands. People were trouble by floods for a period of 200 years, during which many legends about the ancient floods appeared. King Teng (Part One), Mencius describes that “During the ruling of Yao, the society was not in peace. Floods were serious, weeds and trees were flourishing, beasts were breeding and crops were not mature.” Biographic Sketch of Emperor Xia, Records of the Grand Historian describes that: “Yao the Great tried to use whales to tame the floods but his efforts were in vain.” “When Yu the Great tamed the water, he did not go back home for thirteen years though passing his house.” “During Yu’s ruling, when it rained heavily, Yu would order his people to collect materials to build dams and then migrate to hilly areas.” It is recorded in the Biographic Sketch of Five Emperor that during Emperor Yao’s 61st year there were “huge floods”. 3000 years ago, the Yangtze River estuary was shaped as a horn, with a width of 180 km. The silt accumulated at the funnel bay caused the southeast stretch of mouth of the Yangtze River Delta. In the past century, sandbanks appeared in large numbers and they merged and drew alongside, causing the vast river to gradually narrow. According to the historical statistics covered in Table of Natural Calamities and Man-made Misfortunes in Past Dynasties in China [5], from the first year (221 BC) of ruling of Qin Shi Huang (259 BC–210 BC), the first emperor of Qin Dynasty, to the mid-Tang Dynasty (982 AD), the Yangtze River basin suffered from floods 201 times in 1200 years, most of which took place in the lower reaches of the Yangtze River, with 51 records of drought in the same period (Table 2.1). 18 2 The Yangtze River Impacts and Early Nanjing Geography Table 2.1 Records of serious flood disasters in the Nanjing and Downstream regions for two thousand years [5] Year Records of disasters 444 499 816 832 1170 Floods and rained for days Floods and many people died Thousands of hectares of farmlands were destroyed Floods and raised 220,000 dan (a unit of dry measure for grain) grain Floods, the water was several zhang (a unit of length = 3 1/3 m), Deep in the east of the city the residential houses were floating, grains were flooded, the banks were broken and the population was migrating Over 82,000 families lost their homes and the grains rotted 17,200 ha of farmlands were destroyed 319,000 ha of farmlands were flooded and over 400,000 people lost their homes Rained and the Yangtze River rose to four to five zhang, flooding the residences, and over 34,500 families suffered Floods, 49,300 ha of farmland was destroyed Floods, 436,200 ha of farmland was destroyed and 450,500 families suffered 13,500 hectares of farmland was flooded Floods, many people and animals drowned It rained for several months. Houses were floating and many people and animals died. People starved to death Rivers and lakes were overflowing. The depth of water on the ground was more than one zhang. The damage caused by the hurricane was over one hundred miles in radius. Everywhere became a lake Floods and tens of thousands drowned The depth of water on the ground was more than one zhang. Houses were flooded and many people and animals died Continuous rains for seven days. Many people drowned to death 1181 1286 1290 1302 1323 1330 1330 1439 1518 1589 1591 1690 1865 According to the table, the interval ranges from 150 to 200 years during the flood peak in history of the Yangtze River. Nanjing is surrounded by Ningzhen mountain ranges, including Purple Mountain, Mufu Mountain, and Qixia Mountain and its topography is influenced by new tectonic movement. In prehistory, frequent floods in the Yangtze River basin created interweaving rivers tributaries in Nanjing. The erosion of the Yangtze River and its tributary, Qinhuai River, created the Qinhuai River alluvial plain and small basin, where the ancient city, Nanjing, originated and evolved. In the Pre-Qin era, the Yangtze River was vast, wild, and choppy. The width between the two sides at the widest site was up to 15 km [6]. According to records, when the Royal Road was constructed when Qin ( 221 BC) conquered six states and reunited the country, there was a port in Qixia Mountain (now is a northern suburb of Nanjing) linking the Royal Road. Before the Western Han Dynasty (206 BC–23 AD) the main water flow was directed towards the north. In the Western Han Dynasty, the Yangtze River moved 2.2 Changes in Nanjing Section of the Yangtze River and Impacts 19 to the south [7]. Larges areas of beaches and alluvial plains formed in lower beaches of Zhenjiang. More and more sandbanks formed and drew alongside, and the river narrow gradually shrank, the general trend of which was from the southwest to the northeast. During the Wei, Jin, Southern and Northern Dynasties (210–589 AD), a series of military forts and watchtowers were set up along the Yangtze River. The Stone City, with prominent military strategic importance, was built in mountainous areas where Qinhuai River enters the estuary of Yangtze River. The traces of erosion by the Yangtze River on the western cliff are to this day still visible. According to historical records, the Stone City was once flooded. There are records that the ancient city collapsed 100 km downstream of the Yangtze River due to floods. It was recorded the Caizhou Island in the heart of the river. New Account of Old Episodes [7] records that in the Eastern Jin Dynasty, there were people running away from wars and then would meet at the pavilion along the river discussing about the homeland in the north. Most of them when overlooking the Yangtze River, would weep. From 618 AD to 907 AD in the Tang Dynasty, the estuary of the Yangtze River extended eastward straight towards Taizhou [6]. The Nanjing section of the Yangtze River moved north. Along the south bank, there was a large area of sandbanks and shallows. In late Tang Dynasty, under the Stone City were beaches and ponds left by the Yangtze River, which was no longer the natural barrier. Dasheng Barry has become the land in Tang Dynasty and the poet Li Bai (970–762 AD) when visiting Nanjing depicted “The three-peak’d mountain is half lost in azure sky; The two-fork’d stream by Egret Isle is kept apart.” The poem describes the rolling hills around the city and the island which are piled into the Yangtze River. In the late Song Dynasty, the Yangtze River moved northwards, and more sandbanks merged with the river course of the south bank. The two banks to the north of the Yangtze River changed dramatically and formed a wild flanking plain. It was recorded that Song Dynasty established patrol station and watchtower in today’s Dasheng Barry; the North Jin Dynasty (1115–1234 AD) crossed the Yangtze River and invaded the South, they were annihilated in the Great Yellow Wetland, northeast of today’s city of Nanjing. In the Yuan Dynasty, Bailuzhou (Egret Isle) was drawn to the shore and formed land. Modern natural archaeology has shown that grooves along the bank are remnants of the Yangtze River Branch. Chongming Island of Shanghai was formed at the estuary of the Yangtze River to The East China Sea in Ming Dynasty. Huangyaozhen, a town often found in records from Song Dynasty to Ming Dynasty, was flooded in the Yangtze River. In Ming Dynasty, Nanjing established a wharf to tax, as well as to build a shipyard along the river. In 1405 AD, a royal fleet of ships launched into the Yangtze river for the ocean. In the middle of the nineteenth century after the Opium War (1840 AD), the Western powers gradually entered Shanghai and established colonies. Industrial products from the West were dumped into Southeast China along the Yangtze 20 2 The Yangtze River Impacts and Early Nanjing Geography Fig. 2.2 The landscape of Yangtze River of the 1920s Fig. 2.3 The landscape of Yangtze River of the 2010s River. The British gradually built commercial docks in Zhenjiang, Nanjing, Wuhan, Chongqing, and other coastal cities. In late eighteenth century, the sand from Haimen was drawn to the North shore and the mainstream of the Yangtze River reversed to the south. Levees along the Yangtze River were constructed and industries appeared in seaside areas. Currently, around 95 km of the Yangtze River are within the territory of Nanjing. The widest part of the river is 3 km and water depths ranges from 15– 30 m, a maximum depth being about 50 meters. The Jiangxinzhou is on the upstream riverbank, covering an area of 15 km2; the Baguazhou is downstream with an area of 50 km2 (Figs. 2.2 and 2.3). 2.3 The Yangtze River Impact on the Establishment of Capitals In Chinese history, the Yangtze River is a great, wide, and lengthy river, it is the imperative geographic division line between Northern and Southern China and it also contributes to the living quality difference between Northern and Southern China. The cityscape features on the north and south of the Yangtze River are widely different, and it also affected the human atmosphere and cultural spirit of the many dynasties. There were five ancient capital cities which were established to the north of Yangtze River, all of the dynasties in these ancient capitals unified the 2.3 The Yangtze River Impact on the Establishment of Capitals 21 whole country and had a stronger power [2]; there were two ancient capital cities established to the south of Yangtze River, whereas both of the dynasties which served in these ancient capitals were weaker and under a separated state. Zhu Qie (1911–1968 AD) commented [8]: among the ancient capitals of Chang’an (now is Xi’an), Luoyang, Jinling (now is Nanjing) and Beijing, Nanjing is the finest along many aspects: literature, prosperity, handsome people, mountain scenery, and grand atmosphere; it has developed close association with Chinese national misfortune when China was thrown into upheaval. In its extensive history, the Yangtze River is the vital geographic factor to the formation of Nanjing City. The initial origin of Nanjing City firstly comes from important influence of Yangtze River, which flows through the west and north of Nanjing City. In ancient times, the Yangtze River was the barrier for cultural exchange between the North and South, it was also the natural moat for defending against the north nationalities’ invasion, and also the western–northern boundary in city development. In modern times, the Yangtze River is the important landscape boundary through the city, the important cityscape site and tourist destination, as well as the symbol of geography, history and culture. In the Prehistoric Era, the Yangtze River was broad, and very often flooded. Nanjing area was densely covered by heavy forest, spears of barbed wild grass flourished abundantly, and lakes and rivers intersected. According to the archaeological findings in the recent 30 years, there are more than 200 original villages of Neolithic Period in the land of the Qinhuai River, Jinchuan River and Xuanwu Lake [4]. Hushu Town, located at the middle reach of Qinghuai River, is a typical place where a lot of Neoteric villages of original traces are gathered. The archaeological community names such as the “Hushu Culture”. Due to frequent flooding in the Yangtze River, the areas along the bank were not suitable for original inhabitants to survive, only the branches could be appropriate for people to settle down. During the spring and autumn of the Warring States Period, the Nanjing area was the border between State Wu and State Chu. The Kings usually constructed military fortresses by making full use of the mountains and waterways in this area. During the Three Kingdoms Period, the Kingdom Wu constructed its capital in Nanjing, built up the walls along the mountain, and set up military strongholds in strategic places along the mountains outside of the city. The Kingdom Wu started to develop Nanjing city among the mountains, rivers and lakes. In the following historic periods of the South Dynasty, South Tang Dynasty, and Ming Dynasty, the continuous mountains around Nanjing City are gradually included into the city and they have since become the commanding height of Nanjing. The continuous mountain ranges initially acted as the natural defense shield for military, and then became the artistic landscape chanted by scholar-poets. During the Six Dynasties Period, the brief outline of tall and graceful Zhong Mountain was the aesthetic symbol of beautiful landscape, and the historic rudiment of the Stone City (Nanjing) was the history emblem of the origin of the city. Nanjing became an important city during the origin and formation process of the capital, with the Yangtze River being the first driving element. The ancient Yangtze River was a cultural exchange barrier between Nanjing and the North, and also 22 2 The Yangtze River Impacts and Early Nanjing Geography served as a moat to defend against the invasion from the North. The Yangtze River has also been the crucial geographical factor for much of Nanjing’s urban construction. It has directly influenced the judgment of political leaders and military directors in the process of political and military affairs. Five cities are located to the north of the Yangtze River: Beijing, Xi’an, Luoyang, Kaifeng, and Anyang. In Chinese history, strong and unified national capitals were located to the north. With Xi’an as the capital during the period of the Han Dynasty and the Tang Dynasty, a strong and powerful country was able to continue for nearly 800 years [2]. Two major cities are located to the south of the Yangtze River Basin: Nanjing and Hangzhou, most situations of these two cities acting as the capital tell tales of short dynasties and separated states. When Nanjing began serving as the ancient capital, it was a crucial turning point in the history of China’s development. In particular, the changes of the state of the political situation and the historical conversion, such as Northern invasions, the national unrest or the Royal South escape, perfectly exhibit the most unique features of the ancient capital of Nanjing. As the Yangtze River was a natural moat, six dynasties selected Nanjing as their capital. Relying on the Yangtze River, the Kingdom of Wu and the Eastern Jin Dynasty, respectively, won victories in “Battle of the Red Cliff (208 A.D.)” and “Battle of Fei River (383 A.D.)”, which allowed them to guard the vast region to the south of Yangtze River [3]. The nomadic people and Northern Army, most commonly characterized by their usage of cavalry, were skilled at fighting on the grassland but were weak at boating on water. They were unable to overcome the huge natural moat and cross over the Yangtze River, with nothing to be done except to gaze at the vast water and sigh, standing at a stalemate across the vast river. The Northerners were forced to admit to the facts of barrier. Thus the remnant of the Han government was able to escape from the central plains of the Yellow River, drag out an ignoble existence, allowing Chinese civilization to survive and continue to perpetuate in South, and then later was able to establish a southern dynasty in peace. Zhu Qie (1907–1968 AD), describes the landforms of Nanjing [8]: situated on the fertile land of Yangtze River basin, controlling the throat of seven provinces, it was strategic place just like “a coiling dragon and a crouching tiger” which was “shouldering the mountain and holding the river”. From ancient times to up until the present day people comment on Nanjing, saying it is located too southeast, as well as the demarcation point of North and South confrontation; a dynasty with Nanjing as the capital could not be capable of controlling and unifying the country. When the army stationed in Nanjing’s Mountains, the independent dynasty could be established; the northern army was unable to tide over the Yangtze River, and the south dynasties could survive. The modern Yangtze River is an important landscape boundary in the development of trans-urban space, also the culture symbol of geography and history. It is an important area of urban landscape and tourism in Nanjing. 2.4 Impact of Natural Terrain and Historical Geography on Ancient Nanjing 2.4 23 Impact of Natural Terrain and Historical Geography on Ancient Nanjing The Indosinian Movement and Yanshan Movement during the Mesozoic Era decided the geologic structure and hills and landforms of Ningzhen Mountain Range in the lower reaches of the Yangtze River. The system of geographical composition on which the landscape of Nanjing as an ancient capital relies on are three mountain ranges, two rivers, and three lakes. The conception and planning of Nanjing have been following this system of natural geography since its birth, along with the several subsequent major changes (Figs. 2.4). Three mountain ranges [9]: (1) The mountain range from Mufu Mountain to Shizi (Lion) Mountain in Northern Nanjing, with an altitude of 130–286 m, stretches westward from the southern bank of the Yangtze River. A number of strategic castles were built along this mountain range in ancient times, including the “White Stone Rampart”, “Mufu” and “Stone City”, of which the most famous military fortress was the Stone City. (2) As the mountain range in central Nanjing, Zhong Shan Mountain extends westward to the Yangtze River by way of Beiji Pavilion, with an altitude of 32–486 m. City walls, temples, mountain villas, gardens, etc., Fig. 2.4 An overlook to modern Nanjing area from the different scales high of satellite 24 2 The Yangtze River Impacts and Early Nanjing Geography Fig. 2.4 (continued) were built along this mountain range. There is a small basin in this second mountain range. Under the geographical action of Yangtze River and Qinhuai River, the small basin plain was gradually formed. During the Six Dynasties Period, the ancient capital of Nanjing originated in this small and smooth plain. This continuous chain of mountains was reliance for the northern urban area of Nanjing in ancient times. Between this mountain range and the hills in Rain Flower Terrace (about 3000 m away from each other) is a flat alluvial valley of Qinhuai River, with an altitude of below 40 m. Now, this mountain range is still the most important physiognomic landscape influencing the composition of city center of Nanjing. (3) The mountain range in southern Nanjing goes around the southeast of this city, including Niushou (Ox Head) and Zutang (Baddish) Mountain, with an altitude of 95*382 m, which was a famous tourist resort in ancient times. With two natural peaks sticking up, Ox 2.4 Impact of Natural Terrain and Historical Geography on Ancient Nanjing 25 Fig. 2.4 (continued) Head Mountain is located to the southern side of the central axis of this city. It was designated as the “two natural defense guards erected to the south of the city-gate of Nanjing” by Wang Dao (276–339 AD), a prime minister during the Eastern Jin Dynasty. Two rivers refer to the Qinhuai Jinchuan Rivers, having formed two alluvial plains, respectively, in the North and South of the urban area of Nanjing. The water system of these two river courses are closely related to the structure of this ancient capital in terms of location. The river not only served as a boundary of an ancient city, but also as the important hub of its communications, commerce, trade, and cultural prosperity (Fig. 2.5). Three lakes refer to Xuanwu (Black Dragon) Lake, Mochou (Sorrow Lady) Lake, and Yanque (Red Swallow) Lake. Xuanwu Lake had a direct influence upon the ecological environment, landscape planning of the ancient city, as well as its military defense. Mochou Lake was not taken as a tourist resort until the Ming Dynasty. Yanque Lake was a residential place in which the noblemen of the Six 26 2 The Yangtze River Impacts and Early Nanjing Geography Fig. 2.5 The ancient city of Six Dynasties (229–589 AD) was located in the basin of Qinhuai River Dynasties’ villas converged. But most of it was filled up during palace construction of the Ming Dynasty. In the period of the Three Kingdoms (221 AD), while jointly observing the geographical situation of Nanjing on horses, Zhuge Liang (181–234 AD) and Sun Quan (182–252 AD) found that Nanjing was encircled by impregnable mountains and rivers, very suitable for the military situation of frequent wars at that time. 2.4 Impact of Natural Terrain and Historical Geography on Ancient Nanjing 27 Zhuge Liang appraised Nanjing by saying: “the western mountain ranges like a crouching tiger and the eastern like a coiling dragon, it is really an ideal place for an imperial capital!” (Tables 2.2, 2.3 and 2.4) Table 2.2 Chronicle of the Nanjing Landsccape Dynasty. Beginning and ending year (AD) The city and its axis. An overview of the geographical landscape The Eastern Wu (229–280 AD) A separatist regime The city was rectangular as a whole, with its axis (a line connecting Beiji Pavilion and Yuhuatai) stretching slightly southwestward by 14° The capital was surrounded by the tail range of Zhongshan Mountain, the Stone City was strategic point, restructure the natural river courses into the trench to preserve the city, built the Taichu Palace to the south of Xuanwu Lake A separatist regime The same landscape as in Eastern Wu Set up a series of military fortress in the ridge line and along the Yangtze River, Hualin Garden was built on the southern bank of Xuanwu Lake A separatist regime The same landscape as in Eastern Wu Built Three Myth Islands and a long dam in the Xuanwu Lake A separatist regime The same as in Eastern Wu Built Emperor Forest Imperial Park for hunting in the Red Mountain on the northern bank of Xuanwu Lake A separatist regime The same landscape as in Eastern Wu Built Tongtai Temple to the south of Ji Long Mountain A separatist regime The same landscape as in Eastern Wu Built three pavilions, namely Face Spring, Link Golden and Watch Myth A separatist regime The city was rectangular as a whole, with its axis (a line connecting Zhonghua Road and Yuhuatai) stretching slightly southwestward by 14° The palace is divided by the Inner River in the south, with the southward expansion of the city includes Stone City and Qinhuai River residence area (continued) The Eastern Jin (317–420 AD) Southern Dynasties The Song (420–479 AD) The Qi (479–502 AD) The Liang (502–557 AD) The Chen (557–589 AD) The Southern Tang (933–976 AD) 28 2 The Yangtze River Impacts and Early Nanjing Geography Table 2.2 (continued) Dynasty. Beginning and ending year (AD) The city and its axis. An overview of the geographical landscape The Southern Song (1129–1138 AD) A separatist regime The same landscape as in Southern Tang Fill in Xuanwu Lake for farmland A nationally unified regime Zigzagging amid mountains, rivers and lakes, the city was shaped like a gourd, including four layers: Palace City, Imperial City, Capital City, and Outer City. With Yudao Street as its axis, stretching slightly southwestward by 5° The Yangtze River in the north is the natural moat of the city. Jubao Mountain, Zhongshan Mountain and Mufu Mountain were included in the outer city, the city includes the Stone City, Lion Mountain, Bei Ji Ge, Fuzhou Mountain, etc. The Swallow Lake was filled up A separatist regime The same landscape as in Ming. Sorrow Lady Lake and White Bird Sandbank both become important landscape gardens A separatist regime The same landscape as in Ming The Heaven and Earth Castle were both built on the top and at the foot of Zhongshan Mountain, they were the military point defending the northeast of the city A nationally unified regime on the surface, but in fact there are separatist regimes With Sun Yat-Sen Road as its axis, the city extended from northwest to southeast. Roads lined with lush and shady trees became an important feature of the cityscape of Nanjing. The Drum tower, Five Terrace Mountain, and Heaven Gate continuous mountain ranges were destroyed by new city construction The Ming (1368–1402 AD) The Southern Ming (1644–1645 AD) The Taiping Heavenly Kingdom (1853–1864 AD) The Republic of China (1927–1949 AD) Table 2.3 Historical changes of the city names [8, 10, 11] Time period Ancient times The spring and autumn period (BC 495) The spring and autumn period (472 BC) The Warring States (333 BC) Qin (221 BC) Name of the city Changes to the city YeCheng Belong to ancient Yang Zhou Smelting and casting workshop YueCheng Military castle beside QingHuai River JingLing Yi MoLing County Military castle in Stone Mountain County government (continued) 2.4 Impact of Natural Terrain and Historical Geography on Ancient Nanjing Table 2.3 (continued) Time period Name of the city Changes to the city Han (211 BC) MoLing County JianYe JianKang JianKang JianKang County government The capital of Wu state A normal city The capital of east Jing The capital of Liu Song dynasty JianKang The capital of South Qi dynasty JianKang The capital of Xiao Liang dynasty JianKang The capital of Cheng dynasty JiangZhou JiangLing ShengZhou JingLing The district belongs to YangZhou A normal city A normal city The capital of South Tang dynast JiangLing JiangLing The capital of South Tang dynasty Local government JiangKang Temporary capital JiQing YingTian Local government The capital of united the whole country Nanjing The capital moved to Beijing Nanjing South Ming, the capital of a separate country JiangLing TianJing The government of the province The capital of TaiPing Heaven dynasty Nanjing 1912, national temporary capital. 1937–1945, Japanese Army occupied. 1927–1937 and 1945–1949, national capital Jiangsu Province capital Wu (212 AD) West Jin (313 AD) East Jin (317 AD) South Liu Song dynasty (420–479 AD) South Qi (479–502 AD) Xiao Liang (502–57 AD) Cheng (557–589 AD) Sui (589–618 AD) Tang (620–757 AD) Five Dynasties (933–937 AD) Ten Kingdoms 937–976 Song North Song dynasty (987–1128 AD) South Song (1128–1138 AD) Yuan (1277–1329 AD) Ming (1356–1403 Dynasty AD) (1403–1643 AD) 1644–1645 AD Qing (1645–1911 AD) TaiPing Heaven (1853– 1864 AD) Republic China (1912– 1949 AD) Peoples Republic of China (1949-) Nanjing 29 30 2 The Yangtze River Impacts and Early Nanjing Geography Table 2.4 The Population and Square of Historical City in Nanjing (1 li = 500 meters, 1 bu = 1 step, 1 zhang = 3.33 meters) Dynasty Population (thousand) City perimeter, gate Perimeter of the palace Historical document Wu of Three Kingdoms Eastern Jin 300 Perimeter: 20 li 19 bu. Gate 6 500 zhang 450 Perimeter: 22 li 60 bu. Gate 12 Perimeter: 22 li 60 bu. Gate 12 Destroyed most of the city wall, only the Stone City remains Perimeter: 25 li 44 bu. Ground gate 5 and water gate 3 Same as in the Southern Tang Dynasty Perimeter: 34.36 km. Ground gate 13 and water gate 2 Perimeter: 34.36 km. Ground gate 13 and water gate 2 Perimeter: 34.36 km. Ground gate 15 and water gate 2 Jiangkang record Jiangkang record Jiangkang record Golden Hill history Liang of South Sui 1000 Southern Tang 400 Yuan 130 Ming 1190 Qing 900 Republic China 960 (1935) 1230 (1947) 980 (1950) 1800 (2015) Modern day 2.5 240 Destroyed part of the wall and gate 6 li 100 bu 4 li 265 bu, or 3.84 km 3.4 km Golden Hill archeological images Golden Hill history Measurement Golden Hill history Capital history Nanjing Bureau of urban planning Impact of Geographical Environment on the Formation of Historical Landscape in Nanjing As it belongs to the western part of the Nanjing-Zhenjiang Mountains, the landscape of Nanjing is hilly. With its location in the lower reaches of the Yangtze River, the overall terrain of Nanjing is high in the north and low in the south. Lower hills account for 64.52 % of the total area, and water covers 11.4 % of the city, with plains and marshland accounting for 24.08 %. The Qinhuai River, flowing through the territory of Nanjing, is a branch of Yangtze River and the valleys and plains are the main agricultural regions. During the Prehistoric Period, Nanjing was covered in forests and bushes, with mountains, rivers, and lakes intersecting. During the Late Stone Age, human beings led the life of hunters and gatherers for hundreds of years. During the Spring and Autumn Period, as well as the Warring States Period, there were many military fortresses. The ancestors began picking sites as capitals in the Wu Dynasty, during the period of the Three Kingdoms. And it was then that the governance of mountains and hills and rivers and lakes in a larger scale began. 2.5 Impact of Geographical Environment on the Formation of … 31 In ancient times, Emperors believed that the capital should be located at some place where he would be able to observe the stars and overlook the earth [2]. The landscape and geography of the capital, in their minds, could play a decisive role in maintaining the prosperity of the empire. The geography in Nanjing constitutes the “Four Images” in Feng Shui, namely, Eastern Blue Dragon, Western White Tiger, Southern Phoenix, and Northern Tortoise. Jiankang City (the name of Nanjing in Six Dynasties) is situated in the aforementioned “Four Images”; and also constituted the traditional thinking of the Five Elements of green, white, red, black, and yellow. The palace in the center was “yellow”, which was in accordance with the basic principle and pattern of “back to mountains, face the water as well as the sunshine”. There are three theories about choosing the site of historical capitals, according to which Nanjing was selected as the capital. The “Center Theory” maintains that capital should be chosen at the geographical center of the ruling territory to fully display political, cultural and military functions and strengthen the control of the whole country. Meanwhile, the emperor, the son of the god, should be at the center of the world to establish a capital and construct palaces to achieve nature-human integration. This theory belongs to the ideological system of the Li culture, which was developed by Confucius, which said that people should return to propriety. The site of Luoyang (the capital of Eastern Han) is in line with this theory. Nanjing is located in the southeast of China and this location is the strategic point for the north–south confrontation but cannot control the whole of China and thus cannot achieve unification. In the history of Nanjing, many people thought to use this geography in order to gain independence and power in South China. The “Astronomy Theory” argues that the capital should be chosen in order to serve as a mimic of the starry sky. The rivers and lakes around the capital should be in line with the galaxy, with the mountains echoing with the constellations. According to the layout of stars, the city and palace should be among the rivers and mountains. This theory belongs to the ideology of pursing the harmony between nature and human beings. The selection of capitals and layout of palaces in the six dynasties and Ming Dynasties, and the surrounding mountains and rivers and lakes all draw lessons from this theory. The “Regional Theory” insists that when choosing capital, the geographical factors, natural resources and environment, and traffic should be taken into consideration. This theory pays great attention to the functionality of environment. Nanjing, located in the strategic position of Yangtze River, is of great importance in transportation. 65 % of Nanjing is comprised of hilly landscape, making it easier for military defense. Areas around Qinhuai River belong to valley plains, and the city is 12 m above sea level. The Geological base in Nanjing is made of flexible rocks. In the past 2000 years since 123 AD, there have been very few seismic records. Nanjing suffered from destructive earthquakes five times with magnitude from 4.5 to 5.5 in 123 AD, 499 AD, 504 AD, 1372 AD, and 1399 AD. Since 1399 AD, no such devastating earthquake has taken place. 32 2 The Yangtze River Impacts and Early Nanjing Geography Nanjing belongs to northern subtropical humid monsoon climate. It is in the region where the Eastern China monsoon prevails, with four distinct seasons. In winter, the weather in Nanjing is clear, cold, and dry, for it is affected by air mass influence by Eurasian continental air. During the summer, the weather in Nanjing is hot, with plenty of rain, which is due to the influence of the low pressure region in Eurasia. In spring and autumn, the transitional periods between winter and summer, dry and cool weather dominates. Along the terms of plant distribution, Nanjing belongs to plain and hilly region in Yangtze River, with a gradual transition from deciduous broadleaf forests to deciduous broadleaf and evergreen broadleaf mixed forest areas. The Main tree species are: Pinus massoniana Lamb, Quercus acutissima Carruth, Quercus variabilis Bl, Liquidambar formosana Hance, Platycarya strobilacea Sieb. Et Zucc, Cyclobalanopsis glauca, Castanopsis sclerophylla (Lindl.) Schott, Ilex chinensis Sims, and Photinia serrulata Lindl. There are some exotic plants such as: cedar, Pinus taeda L., and Magnolia Grandiflora Linn. During the Republic of China (1927–1949 AD), the main tree species along the city street were Platanus with high, huge tree crowns covering all of the sky, which is a characteristic landscape in the historical capital of Nanjing. 2.6 Historical Periods in Eastern China and Climate Changes in Nanjing Cold and warm weather alternated throughout Chinese history, and political changes and economic development was influenced greatly by these natural climate changes. With Nanjing as a historical capital, the landscape changes are related to human and cultural elements and to changes of natural environment. ① The first warm period (3000 BC–1100 BC), was equivalent to the period from the Yangshao Culture Era to the Anyang YinXu (Ruins of Yin Dynasty) Era. The weather was muggy and rainy, plains suffered from floods, endangering people life and production of crops. During the ruling of Yao, Shun, and Yu, many legends about the floods emerged. Nanjing, at the edge of the bay, is located along the mighty Yangtze River with lakes and rivers intersecting. There were original village settlements on the slopes along the Qinhuai River, tributary of the Yangtze River, as well as along the Jinchuan River. ② The first cold period (1100 BC–770 BC) is equivalent to the Western Zhou Era. According to historical records, Hanjiang, the tributary of Yangtze River was frozen two times, which occurred respectively in 903 BC and 897 BC. During the ruling of Zhouxiao Wang (King Xiao of Zhou Dynasty) developed agricultural civilization appeared in the Yellow River basin. Bays around Nanjing receded toward the east and the land extended. Original villages increased along the Qinhuai River and Jinchuan River but Nanjing remained to be an original village. 2.6 Historical Periods in Eastern China and Climate Changes in Nanjing 33 ③ The second warm period (770 BC–1 AD) is equivalent to the ruling period of the Eastern Zhou Dynasty, the Spring and Autumn Period and the Warring States Period and the Qin and Han Dynasty. The military role of Qinhuai River at the entrance of the Yangtze River drew attention. During the Spring and Autumn Period and Warring States Period, kings set up several military forts in accordance with the landscape of mountains in Nanjing. Qin Shi Huang, the first emperor of China, after unifying China set up “Moling” County in Nanjing, which means a place to raise horses. ④ The second cold period (1 AD–600 AD) is equivalent to the ruling period of the Eastern Han Dynasty, the Three Kingdoms, the Jin, and the Southern and Northern Dynasties. The weather in the first half of this period was relatively moist, the second half drier. From 280 AD to 289 AD, in particular, the place underwent the coldest period in history, during which northern grassland nomads invaded and five barbarian tribes occupied the Yellow River Basin. China was caught in wars of secession, lasting for 300 years. Relying on the Yangtze River, Nanjing controlled Southeast China and was chosen as the capital for six dynasties. It witnessed economic and cultural prosperity, and the frequent changes of the king regimes. The Imperial garden was built around Xuanwu Lake. According to historical records, ice rooms were built in Fuzhou Mountain in Southern Dynasty to allow the Emperor to store ice for the summer, and the river was frozen solid. There were other historical materials recording that Stone City was flooded by Yangtze River. ⑤ The third warm period (600 AD–1000 AD) is equivalent to the ruling periods of the Sui Dynasty, the Tang Dynasty, and the Five Dynasties towards the end of Tang Dynasty. The climate was significantly warmer, more humid and rainy from the seventh century. China once again unified after expelling the barbarians. Nanjing was demolished and the urban landscape was in heavy depression. The Yangtze River receded further from the Stone City towards the northwest. Another round of prosperity lasted for 40 years during the Southern Tang Dynasty. ⑥ The third cold period (1000 AD–1200 AD) is equivalent to the ruling periods of the Northern Song Dynasty and the Southern Song Dynasty. Early in the 12th century, the weather in Northern China was cold and water grass was in short supply. After the invasion by foreign nations Liao and Jin, two northeast nomads, emperor of Song Dynasty moved the capital from Kaifeng to Hangzhou. In 1111 AD, the Taihu Lake was frozen, horses, and carriages could travel on it. The cold made the citrus trees planted on the Dongting Mountain froze to death. Nanjing was also very cold and in a great depression. The size of Xuanwu Lake greatly scaled down. ⑦ The fourth warm period (1200 AD–1300 AD) is equivalent to the late Southern Song Dynasty or the early Yuan Dynasty. In the late Southern Song Dynasty no snow ever appeared in Hangzhou. The warm period that continued for over a century was global, and was even recorded in ice cores in Europe, America, and Greenland. Northern Mongolian nomads made an invasion across the Yellow River towards the South, the Yangtze River and finally 34 2 The Yangtze River Impacts and Early Nanjing Geography occupied the whole of China. Nanjing was in desolate depression and its population drastically declined. ⑧ The fourth cold period (1300 AD–1900 AD) is equivalent to the end of the Yuan Dynasty and the Ming and Qing Dynasties. Taihu Lake’s ice was several inches thick, allowing people to walk upon its surface. Citrus trees around the lake once again all froze to death. After the expulsion of the Mongols, China restored the Han cultural domination and began the ruling of the Ming Dynasty with Nanjing as its proud capital, allowing Nanjing to once again become China’s economic and cultural center. There was a sharp increase in its population, and the world’s largest city wall was constructed during this period. After the Qing Dynasty established its capital in Beijing, Nanjing, as an important city in the south of the Yangtze River, was able to maintain its economic and cultural prosperity. 2.7 2.7.1 Early Nanjing Geography and Settlement Environment in Stone Age The Tangshan Ape-Man and Geographical Environment in Paleolithic Period The altitude of Leigong Mountain, located in Tangshan Town in the eastern suburbs of Nanjing is 69 m. In April 1993, two complete ape-man skull fossils were found in the caves located on the mountain, one male and the other female [4]. Since then, evidence of a group of mammals were found there, and the archaeological team has gained more than 1000 fossil specimens of 15 species of animals. With the help of U-series dating, archaeologists believe the Tangshan ape-man lived in the mid and late Pleistocene, approximately 35 million years ago. Among the fauna fossils in Tangshan Mountain in Nanjing, euryceros pachyosteus, Roe deer and buffalo, Gurley Spotted deer, bears, jackals, hyenas, were all present. In addition, Sus lydekkeri were also discovered; Sus lydekkeri are omnivores, mostly living in the bush hills. Artiodactyla animals have the distinct features of animal groups in northern China. According to archaeological inference, the landscape at the foothills was grassland and meadows and scattered lakes. The main woody conifer species were pine and fir, and the main deciduous broad-leaved species were birch, elm, and oak with deciduous broad-leaved and coniferous forest dominating [12]. The annual average temperature at the time is similar to that of the present temperatures, but the winter was colder with a larger temperature difference, and more obvious four seasons. At the time, most of Nanjing was flooded by the ancient Yangtze River or the ancient Qinhuai River, leaving some highlands and mountains the habitats for creatures. Leigong Mountain was the junction of mountains and plains, laying on 2.7 Early Nanjing Geography and Settlement Environment in Stone Age 35 the mountains and along the rivers, providing a good view in order to look for shelters. The Tangshan ape-man chose the boundary area of geographical changes for the ecological diversity. In addition, this was a necessary pass for animal migration, thus meeting the demands of hunting, sheltering and movement. 350,000 years ago, in the Era of the Ape, the world was desolate and absolutely natural, without art and modern ideas. Ape-man was able to evolve through brutal survival competitions. The caves acted as their living space;there were no such architectural structures. But they were capable of conscious choices for natural environment, their behavior was also evolving due to natural selection. After the Tangshan ape skull was found, neither more remains, nor life-related remains have been found. There were no stone facilities, no fire traces. Therefore, archaeologist cannot determine that Tangshan cave was a living cave for the ape-man. Zhoukoudian Cave has quite a different situation, where many life-related Paleolithic appliances and stacking fire traces were unearthed. Tangshan, unlike the Peking Man, was not a complete living space, so it has not been as highly globally publicized as the Peking Man has. Are Tangshan ape-man the ancestors of humans in the Yangtze River basin or in Nanjing? Currently, there is no scientific evidence and this problem remains to be complicated. 2.7.2 The Original Villages Along the Yangtze River Tributary in Neolithic The Neolithic Period began around ten thousand years ago. People began to purposefully grow plants and domesticate animals, nurturing the agriculture and animal husbandry industries. This new production mode is based on sedentary life, and hence, settlements, villages and houses appeared. Chinese Neolithic culture originates both in the Yellow River and the Yangtze River basins. The center of Neolithic culture is located in areas adjacent to Shaanxi, Shanxi, and Henan provinces. There have been Cishan-Peiligang (7000–8000 years ago), Yangshao culture (5000–7000 years ago) and Longshan Culture (4000– 5000 years ago) and the like. This development represents an agricultural evolution in temperate-arid and semiarid climates. The Neolithic archaeology in recent years shows that the Neolithic site in Hangzhou Bay, east of Zhejiang Province, can date back to 8000–10000 years. Hemudu, Majiabang, Songze, and Liangzhu cultures appeared along both sides of the Hangzhou Bay 7000–4000 years ago, which led to the evolution of paddy agricultural culture in tropical and subtropical humid climates. 5000 years ago, the forests in Nanjing were rolling, full of thorns, with rivers and lakes intersecting. Four distinctive seasons and abundant water resources provided a suitable environment for living and breeding. Original villages and residence began to gradually form in Nanjing urban areas. 36 2 The Yangtze River Impacts and Early Nanjing Geography Archaeologists discovered that there are two main paths for human activities in Neolithic Nanjing [11] (Fig. 2.6): One is from the Drum Tower Hill to the northeast, stretching along the mountains around the Xuanwu Lake to the northern foothill of Purple Mountain. Along this path, the rocks in the north foothill in Purple Mountain were mined out. These stones were manufactured into various production or living tools. Another path starts from the Drum Tower Hill to the southwest. It stretches along a series of hills to Rain Flower Terrace. In early 1930s, three ancient cultural relic sites were found near XiXia Mountain in the eastern outskirts [13]. In recent decades, the cultural landscape, time features, evolution series, and other symbols have been established in the ancient cultural relic sites in Nanjing. Over 200 residential settlements from the Bronze Age are Fig. 2.6 Two paths of Neolithic period in Nanjing area 2.7 Early Nanjing Geography and Settlement Environment in Stone Age 37 located along the Qinhuai River on the south bank of the Yangtze River, Jinchuan River, Xuanwu Lake, ancient Danyang Lake, Xuhe River, and Chuhe River on the north bank of the Yangtze. Archaeologists discovered the North Yin and Yang Camp Site, and the Suojin Village Relic Site along the bank of the Jinchuan River, and Pingdingshan Mountain Site, Yangjiao Mountain Site, and Niutougang Site along the Chuhe River in the north of the Yantze River. In 1951, cultural relic sites from the Neolithic Period were discovered in Hushu Town, referred to as Hushu Culture. Hushu Town is near the Qinhuai River, where the villages from the Neolithic Period concentrated, such as the Hushu Site and Laoshudun Site. Since the Neolithic, the Qinhuai River basin has been a densely populated area (Fig. 2.7). Fig. 2.7 Distribution of Neolithic villages in the Nanjing region 38 2 The Yangtze River Impacts and Early Nanjing Geography The Neolithic sites in Nanjing are not on the edge of the Yangtze River, but on the Yangtze River tributary river plateau; the original inhabitants in Neolithic settled here because these places were near to the water but would not be flooded. The coastal areas along the Yangtze River are not ideal places for settlement due to the large waves of the Yangtze River and frequent flooding of the surrounding areas. Usually, the layout of villages is like that of a platform on highlands near to the water, most of which are located on river terraces that are linked by ancient waters forming respective regional networks. Many Neolithic sites were still in use during the Bronze Age. In terms of the cultural landscape of these ancient relics, the geographical features are quite obvious, exerting their looming influence on their surroundings and outer reaches. References 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Zongzhen, L. (1994). Archaeology of six dynasties. Nanjing: Nanjing University Press. Nianhai, S. (1998). Chinese ancient capital and culture. Beijing: Zhonghua Book Company. Maguang, S. (1975). History as a mirror. Beijing: Zhonghua Book Company. Jianmin, W. (1988). 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