太湖大型底栖动物群落结构及多样性
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蔡永久, 龚志军, 秦伯强
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Community structure and diversity of macrozoobenthos in Lake Taihu, a large shallow eutrophic lake in China
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Yongjiu Cai, Zhijun Gong, Boqiang Qin
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表3 各聚类组不同功能摄食类群大型底栖动物平均密度(ind./m2)、生物量(g/m2)及其所占比例
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Table 3 Mean density (ind./m2), biomass (g/m2) and the proportion of different functional feeding group in each affinity group
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| 密度 Density | 生物量 Biomass | | Group A | Group B | Group C | | Group A | Group B | Group C | | 直接收集者 Gatherers | 8,771(94.73%) | 604(57.91%) | 306(51.09%) | 18.14(24.35%) | 1.64(0.83%) | 1.08(0.69%) | | 过滤收集者 Filterers | 138(1.49%) | 392(37.58%) | 37(6.18%) | 21.55(28.92%) | 182.58(92.40%) | 34.71(22.27%) | | 捕食者 Predators | 294(3.18%) | 27(2.59%) | 20(3.34%) | 0.83(1.11%) | 0.13(0.07%) | 0.09(0.06%) | | 刮食者 Scrapers | 44(0.48%) | 20(1.92%) | 232(38.73%) | 33.99(45.62%) | 13.24(6.70%) | 119.95(76.97%) | | 撕食者 Shredders | 12(0.13%) | 0 | 4(0.67%) | 0 | 0 | 0.01(0.01%) |
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