Norbert Wolnomiejski, Zbigniew Witek
List of Tables
Table 1.1 Oder River water inflow in 1998-2002 (after Anon., 1998-2002).
Table 1.2 Water temperature in the area of Świnoujście and general ice conditions
in the Szczecin Lagoon in 1998-2001 (after Anon., 1998-2001).
Table 1.3 Annual nutrient discharge by River Odra in 1998-2002 (after Anon.,
1991-2003).
Table 1.4 Average values of hydrochemical parameters and Secchi depth in the
main basin of the Great Lagoon in growing seasons (April-October) of 19982002: surface layer, 0.5 m below water surface; bottom layer, about 0.5 m above
bottom. s, standard deviation; v, coefficient of variation (s and v refer to growing
season means). Range 1 refers to growing season mean values; Range 2 refers to
values of individual samples.
Table 1.5 Water chemistry and phytoplankton biomass in three parts of the
Great Lagoon (average values from the growing season (April-October) of 2001).
Table 1.6 Mean phytoplankton biomass [mgw.w. dm-3] and chlorophyll a
concentration [μg dm-3] in the main basin of the Great Lagoon in growing seasons.
Table 1.7 Average biomass [mgw.w. dm-3] of dominant phytoplankton groups in
different seasons of the year in 1999-2002.
Table 1.8 Average phytoplankton biomass [mgw.w. dm-3] in three parts of the Great
Lagoon in growing season of 2001.
Table 1.9 Average mesozooplankton biomass in growing seasons of 1998, 2001
and 2002.
Table 1.10 Mesozooplankton production in the Great Lagoon in the growing season.
Table 1.11 Biomass and production of Neomysis integer.
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The Szczecin Lagoon Ecosystem:
The Biotic Community of the Great Lagoon and its Food Web Model
Table 1.12 Summer biomass of above-ground tissues of aquatic macrophytes in
the Great Lagoon (according to data of Garbacik-Wesołowska, 1973).
Table 1.13 Annual production of above-ground tissues of aquatic macrophytes
in the Great Lagoon (average per standard m2 of the entire reservoir).
Table 1.14 Annual production of underground tissues of aquatic macrophytes in
the Great Lagoon (average per standard m2 of the entire reservoir).
Table 1.15 Underwater surface area of floating-leaved and submersed
macrophytes in the Great Lagoon.
Table 1.16 Taxonomic composition and biomass of peripyhtic algae growing on
submerged parts of reed stems in the northern part of the Great Lagoon.
Table 1.17 Biomass and production of mesozooperiphyton in the Great Lagoon.
Organic carbon conversion factor (Cc) for rotifers after Parsons et al. (1977); for
nematodes after Galtsova (1991); 1 kcal assumed to be equivalent to 0.08 gC
(Vinogradov and Shushkina, 1987).
Table 1.18 Macrozooperiphyton biomass in the phytolittoral of the Great Lagoon.
Table 1.19 Macrozooperiphyton biomass in the entire Great Lagoon. Cc, organic
carbon conversion factor (see text).
Table 1.20 Biomass and production of macrozooperiphyton in the Great Lagoon.
Table 1.21 Average abundance and biomass of the pelophilous macrofauna in
the muddy sediments of the central part of the Great Lagoon in the growing
seasons of 1998-2002.
Table 1.22 Abundance and total biomass of the benthic macrofauna in different
littoral and sublittoral habitats, as exemplified by selected samples.
Table 1.23 Average biomass [gw.w. m-2] of macrobenthos in main bottom habitats
of the Great Lagoon (zebra mussels, unionids and macrobenthic ostracods not
included).
Table 1.24 Depth-related variability of Dreissena polymorpha abundance in the
main basin of the Great Lagoon (data 2000-2004).
Table 1.25 Biomass (with shells) of Dreissena polymorpha in different parts of
the Great Lagoon in 2000-2004.
Table 1.26 Selection of P/B values for representatives of macrobenthos .
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Norbert Wolnomiejski, Zbigniew Witek
Table 1.27 Average biomass (wet weight) and production of the macrobenthos
per standard m2 of the entire Lagoon.
Table. 1.28 Caloric value and average organic carbon content of macrobenthos
components, assuming 1 kcal to be equivalent to 0.08 gC (Vinogradov and
Shushkina, 1987).
Table 1.29 Average biomass and production (in carbon units) of macrobenthos
on standard m2 of the Lagoon.
Table 1.30 Annual commercial fish catches/landings [tonnes] referred to
410 km2 area of the Great Lagoon. Avg., average; v, coefficient of variation (data
after catch statistics of the Maritime Office in Szczecin).
Table 1.31 By-catch of fry and under-sized fish of four major commercial
species caught by fyke nets in the Great Lagoon, assuming 60% fyke net catch
contribution to the total commercial catch (based on Garbacik-Wesołowska and
Boberski, unpubl.). l.t. – longitudo totalis.
Table 1.32 Proportions of biomass of principal age categories of pike-perch in
the Great Lagoon (as calculated in Annex, Section 1.17) and common bream in
the Włocławek Dam Reservoir (after Kakareko, 2000).
Table 1.33 Average biomass and production of fish in the Great Lagoon in 19982002.
Table 1.34 Fish production per standard 1 m2 of the Great Lagoon. Cc, organic
carbon conversion factor .
Table 1.35 Carbon conversion factors applied to fish food items.
Table 1.36 Percent contributions of diet components to fish food (estimates
based on carbon units).
Table 1.37 Waterfowl abundance in the Great Lagoon in 1998-2002, duration of
occurrence and daily food requirement.
Table 1.38 Food consumption of waterfowl in the Great Lagoon. Compiled data;
see text for explanations.
Table 1.39 Food consumption by waterfowl trophic groups in the Great Lagoon,
in organic carbon units [gC m-2 yr-1].
Table 1.40 Utilisation of fish production by piscivorous birds in the Great
Lagoon. Birds were assumed to consume equal amounts of larvae and fry as well
as juvenile and adult fish.
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The Szczecin Lagoon Ecosystem:
The Biotic Community of the Great Lagoon and its Food Web Model
Table 1.41 Basic characteristics of the coastal water bodies located along the
southern coast of the Baltic Sea.
Table 1.42 Chlorophyll a concentrations in the southern Baltic coastal lagoons
in the years 1998-2002.
Table 1.43 Phytoplankton net primary production in the Szczecin Lagoon and
other water bodies. Net primary production was assumed to account for 80% of
gross primary production; winter primary production was assumed to be equal
to 17% of the growing season production.
Table 1.44 Contributions of different primary producer categories to total
primary production in some eutrophic water bodies.
Table 1.45 Contribution of individual taxonomic groups to the total
mesozooplankton production.
Table 1.46 Comparison of macrozooperiphyton abundances [ind. m-2 substrate].
Table 1.47 Comparison of River Odra discharge and nutrient loads in two periods
(based on Anon, 1991-2003).
Table 1.48 Average values of selected chemical parameters of the Great Lagoon
water column in the growing seasons of 1998-2002 compared with multi-year
averages of 1982-2002 (based on author’s own data).
Table 1.49 Phytoplankton biomass [mgw.w. dm-3] in the Great Lagoon in growing
seasons of different time periods.
Table 1.50 Abundance and biomass of pelophilous macrofauna in the Great
Lagoon in different periods.
Table 1.51 Comparison of composition and biomass (gw.w. m-2) of macrobenthos
in the Great Lagoon in summer 1954 and in the years 1998-2002.
Table 1.52 Characteristics of commercial fish catches in the Great Lagoon (based
on the fishery statistics of the Maritime Office in Szczecin).
Table 1.53 Biomass and production of the Great Lagoon food web components
in 1998-2002.
Table 1.54 Abundance (N) and mean body length (longitudo totalis, l.t.) of pikeperch fry in the Great Lagoon in consecutive months of 1994, after Sołtysik
(1995) and produced by the model.
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Norbert Wolnomiejski, Zbigniew Witek
Table 1.55 Reconstruction of pike-perch growth, mortality, and production in the
first year of life (age groups 0 and 0+) in the Great Lagoon, based on assumptions
and references given in the text. N - abundance, Nt-1 × exp (-Z × ∆t); Z - mortality,
(ln Nt-1 – ln Nt) / ∆t; S - survival, exp (-Z), in %%); L - body length (longitudo totalis,
l.t.); W - body weight; Bt - biomass on a given day, N × W; G - growth rate, (ln Wt
– ln Wt-1) / ∆t; Bavg - average biomass between dates; P - production, Bavg × G ×
∆t. Values of N, L, W, and Bt refer to a given date, remaining values referring to
periods between dates.
Table 1.56 Reconstruction of pike-perch growth, mortality, and production in
consecutive years of life, based on data from Table 1.55 and assumptions given
in text. For explanation see Table 1.55. Values of N, L, W, and Bt refer to the first
day of life of a new age group, remaining values referring to whole age groups.
Table 2.1 Food assimilation efficiency (AE) and net growth efficiency (K2) of
heterotrophic components of the food web (based on energy units).
Table 2.2 Sources of organic matter in the Great Lagoon in 1998-2002.
Table 2.3 Secondary production in the Great Lagoon in 1998-2002, estimated
from field observations and theoretical assumptions. Production of each
component is considered here to be the sum total of production of all individuals
contributing to the component.
Table 2.4 Food consumption of avifauna in the Great Lagoon, estimated from
field observations and theoretical assumptions.
Table 2.5 Estimation of the proportion of pelagic production exported from the
Great Lagoon. P/B, annual production/biomass ratio; Qe/Q, part of the outflow
effectively transporting plankton; Exp/P, part of production exported. The Lagoon
volume V = 1.6 km3; the total water outflow Q = 18.4 km3 yr-1.
Table 2.6 Utilisation of phytoplankton primary production and non-living organic
matter supply in the pelagic compartment. Values in each column add up to 1.
Table 2.7 Utilisation of bacterio- and zooplankton production. Values in italics
indicate the withingroup utilisation. Values in each column (without withingroup utilisation) add up to 1.
Table 2.8 Utilisation of periphytic production. Values in italics indicate the withingroup utilisation. Values in each column (without within-group utilisation) add
up to 1.
Table 2.9 Utilisation of phytobenthos primary production and non-living organic
matter supply in the benthic ecosystem compartment. Values in individual
columns add up to 1.
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The Szczecin Lagoon Ecosystem:
The Biotic Community of the Great Lagoon and its Food Web Model
Table 2.10 Utilisation of production of benthic bacteria, protozoans and fauna.
Values in italics indicate the within-group utilisation. Values in each column
(without within-group utilisation) add up to 1.
Table 2.11 Utilisation of fish production. Values in italics indicate the withingroup utilisation. Values in each column (without within-group utilisation) add
up to 1.
Table 2.12 Biomass and energy budgets of the Great Lagoon food web
components. B, average biomass (empirical data); P/B, production to biomass
ratio; C, consumption; P, production (net); R, respiration; FU, faeces and exuvia. C,
P, R, and FU are estimates produced by the model.
Table 2.13 Food composition (%) of the planktonic components of the food web.
Table 2.14 Food composition (%) of the epiphytic components of the food web.
Table 2.15 Food composition (%) of the benthic components of the food web.
Table 2.16 Food composition (%) of fish.
Table 2.17 Food composition (%) of birds.
Table 2.18 Biogeochemical fluxes in the Great Lagoon. Model estimates.
Table 2.19 Ecological indicators characterising the Great Lagoon ecosystem.
Table 2.20 A scale for classification of the quality of data sources used in the
ECOPATH with ECOSIM model (Christensen et al., 2005).
Table 2.21 Quality of data sources used in the food web model of the Great
Lagoon.
Table 2.22 Lagoons and estuaries productivities of which were compared in Figs.
2.15 – 2.18.
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