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引用本文:闫云君,梁彦龄.草型湖泊与藻型湖泊大型底栖动物生产力的比较.湖泊科学,2004,16(1):82-84. DOI:10.18307/2004.0113
YAN Yunjun,LIANG Yanling.The Comparison of Secondary Production of Macrozoobenthos Between a Typical Algal Lake and a Typical Macrophytic Lake. J. Lake Sci.2004,16(1):82-84. DOI:10.18307/2004.0113
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草型湖泊与藻型湖泊大型底栖动物生产力的比较
闫云君1,2, 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宄所, 武汉 430072
摘要:
较系统地比较了典型草型湖泊(扁担塘)与典型藻型湖泊(后湖)底栖动物优势种类、主要类群及整个群落的周年生产量.结果表明,典型草型湖泊扁担塘底栖动物群落的周年生产量(湿重或带壳湿重)38.926g/(m2·a)比典型藻型湖泊后湖47.505g/(m2·a)为低.各类群具体情况为,后湖(藻型湖泊)的营养水平较高,更适合苏氏尾鳃蚓等耐污性种类的生长,因此寡毛类生产量较扁担塘的为高;藻型湖泊比草型湖泊更适合铜锈环棱螺等腐生螺类的生长,螺类的生产量也比草型湖泊略高;藻型湖泊摇蚊的生产量较高,原因在于藻型湖泊更适合具有较多耐污种类的摇蚊生长.但从大型底栖动物群落生产量的组成看,摇蚊、软体动物、寡毛类等三大类群所占份额相对较稳定,分别为14%-15%、77%-79%、7%-8%.
关键词:  大型底栖动物群落  生产量  后湖  扁担塘
DOI:10.18307/2004.0113
分类号:
基金项目:国家自然科学基金(30270278、3960019和39430101);湖北省自然科学基金(2000J109)
The Comparison of Secondary Production of Macrozoobenthos Between a Typical Algal Lake and a Typical Macrophytic Lake
YAN Yunjun1,2, LIANG Yanling2
1.School of Life and Technology, Huazhong University of Science and Technology, Wuhan 430074, P.R.China;2.Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P.R.China
Abstract:
A comparative study on annual production of macrozoobenthos community was carried out in a typical algal lake-Lake Houhu and a typical macrophytic lake-Lake Biandantang.The results showed that the annual production of macrozoobenthos community in Lake Biandantang (38.926 g/(m2·a)) was a bit lower than that of Lake Houhu(47.505 g/(m2·a)).The eutrophication of Lake Houhu, slightly higher than that of Lake Biandantang, which was much fitter for the growth of pollution-prone species of oligochaetes, resulted in more oligochaete production.Algal lakes bearing preferable situations for the existence of omnivorous gastropods like B.aeruginosa attained higher gastropod production.Large chironomids usually present weed-free, higher entrophication water body, which match the conditions of Lake Houhu, so Lake Houhu liad larger production of chironomid.Nevertheless, the proportions of macrozoobenthic production contributed by chironomids, oligochaetes and gastropods remained fairly stable, which were 14%-15%, 7%-8%, 77%-79%, respectively.
Key words:  Comparative study  production  macrozoobenthos community  Lake Houhu  Lake Biandantang
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