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引用本文:闫云君,李晓宇,梁彦龄.草型湖泊和藻型湖泊中大型底栖动物群落结构的比较.湖泊科学,2005,17(2):176-182. DOI:10.18307/2005.0214
YAN Yunjun,Li Xiaoyu,LIANG Yanling.A Comparative Study on Community Structure of Macrozoobenthos Between Macrophtic and Algal Lakes. J. Lake Sci.2005,17(2):176-182. DOI:10.18307/2005.0214
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草型湖泊和藻型湖泊中大型底栖动物群落结构的比较
闫云君1,2, 李晓宇1, 梁彦龄2
1.华中科技大学生命科学与技术学院, 武汉430074;2.中国科学院水生生物研究所, 武汉430072
摘要:
系统地比较了草型湖泊扁担塘与藻型湖泊后湖大型底栖动物的群落结构.结果表明,草型湖泊扁担塘的物种种类、物种多样性、密度和生物量均较藻型湖泊后湖的为高.两湖在物种组成和功能摄食群上存在极大差异,相似性系数为0.3左右,草型湖泊的大型底栖动物主要以刮食者数量为多,而藻型湖泊主要以收集者的为多.这说明水生高等植物对于维持湖泊生态系统中大型底栖动物多样性方面起着非常重要的作用,也是维持湖泊生态系统结构复杂性、空间异质性和功能稳定性的重要因素.
关键词:  大型底栖动物  群落结构  生物多样性  K-优势曲线
DOI：10.18307/2005.0214
分类号:
基金项目:国家自然科学基金(30270278,39600019和39430101)资助．
A Comparative Study on Community Structure of Macrozoobenthos Between Macrophtic and Algal Lakes
YAN Yunjun1,2, Li Xiaoyu1, LIANG Yanling2
1.School of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, P. K. China;2.Institute of Hydrobiology, Chinese Academy of Science, Wuhan 430072, P. R. China
Abstract:
A systematically comparative study on community structure of macrozoobenthos betweena a typical macrophytic lake, Lake Biandantang and a typical algal lake, Lake Houhu, was carried out from April, 1996 to March, 1997.The results showed that the species number, biodiversity, abundance and biomass of macrozoobenthos community in Lake Biandantang were much higher than those of macrozoobenthos in Lake Houhu;species composition and functional feeding groups were also prominently different, the similarity coefficient of macrozoobenthos communities in the two Lakes was about 0.30;in Biandantang Lake, scrapers were dominant in abundance and biomass, while in Houhu Lake, direct-collectors were dominant in number.These all probably were due to the presentation of higher aquatic macrophytes, especially those submerged ones, which provide various habitats and niches for more species, at the same time, keep the aquatic ecosystem complex, spatially heterogeneous and functionally stable.
Key words:  Macrozoobenthos  community structure  biodiversity  K-dominance curve
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