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Enhancement of Moina micrura by the filter-feeding silver and bighead carps in a subtropical Chinese lake
Xie, P; Wu, L; Xie, P, CAS, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2002
Source PublicationARCHIV FUR HYDROBIOLOGIE
Volume154Issue:2Pages:327-340
AbstractThe changes of cladoceran zooplankton from 1980 to 1996 were studied in a hypereutrophic subtropical Chinese lake, Lake Donghu, and an enclosure experiment was conducted to examine the possible role of the increased fish production in the enhancement of Moina micrura in the lake after mid-1980s. During the 1980s, the most striking event of the cladoceran community in the lake was that dominance of Daphnia was replaced by Moina following a steady increase in the production of planktivorous fish. This replacement was a direct result of increased fish predation, since our enclosure experiment indicates that Moina are less vulnerable to fish predation than Daphnia, and that increase in fish-stocking rate favors the development of M. micrura. The stronger resistance of M. micrura to fish predation may be attributed to its smaller body size and higher intrinsic growth rate than the daphnids. The present study has a strong parallel with the responses of zooplankton community to predators observed in many temperate lakes, and perhaps the only real difference is that in our lake the small rapidly growing cladoceran is Moina, rather than Bosmina or some other typical temperate take species. In the present study, the strong fish predation caused a shift from Daphnia to small zooplankton but not a corresponding increase in phytoplankton, which is in sharp contrast to what is expected with the classic "trophic cascade" process.
KeywordCladoceran Zooplankton Fish Predation Trophic Cascade Process Lake Donghu
DepartmentCAS, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China; Mt Union Coll, Dept Biol, Alliance, OH 44601 USA
Subject AreaLimnology ; Marine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000176256400009
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9840
Collection期刊论文
Corresponding AuthorXie, P, CAS, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Xie, P,Wu, L,Xie, P, CAS, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China. Enhancement of Moina micrura by the filter-feeding silver and bighead carps in a subtropical Chinese lake[J]. ARCHIV FUR HYDROBIOLOGIE,2002,154(2):327-340.
APA Xie, P,Wu, L,&Xie, P, CAS, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China.(2002).Enhancement of Moina micrura by the filter-feeding silver and bighead carps in a subtropical Chinese lake.ARCHIV FUR HYDROBIOLOGIE,154(2),327-340.
MLA Xie, P,et al."Enhancement of Moina micrura by the filter-feeding silver and bighead carps in a subtropical Chinese lake".ARCHIV FUR HYDROBIOLOGIE 154.2(2002):327-340.
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