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学科主题: Fisheries
题名: Effects of fish stocking on the zooplankton community structure in a shallow lake in China
作者: Yang, YF; Huang, XF; Liu, JK; Jiao, NZ
通讯作者: Yang, YF, Jinan Univ, Inst Hydrobiol, Guangzhou 510632, Peoples R China
关键词: culture-based fishery ; fisheries management ; Lake Donghu ; stocking ; zooplankton
刊名: FISHERIES MANAGEMENT AND ECOLOGY
发表日期: 2005-04-01
卷: 12, 期:2, 页:81-89
收录类别: SCI
文章类型: Article
部门归属: Jinan Univ, Inst Hydrobiol, Guangzhou 510632, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China; Xiamen Univ, Environm Sci Res Ctr, Xiamen, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
摘要: Changes in the zooplankton community structure in relation to fishery practices in Lake Donghu, Wuhan, China were examined. The number of Protozoa species increased slightly, whereas the number of rotifers and crustaceans decreased from the 1960s to the 1990s. The total annual average densities of zooplankton increased 15-20 times in the 1990s compared with the 1960s. This increase was largely attributed to Protozoa, which contributed 93.4% by number of the total zooplankton density in 1991. Cladoceran densities decreased markedly from 1987. Changes in densities of rotifers and copepods were not evident. Trends in zooplankton biomass were similar to density. Large changes in zooplankton community structure coincided with markedly changes in concentration of chlorophyll a and transparency in Lake Donghu in 1987. The year 1987 seems to be the threshold year when the zooplankton community structure changed considerably. These changes were related to continuously increasing fish stock biomass in the lake. It was suggested that fish stocking and fish biomass should be a better managed for improvement of the quality of the lake's environment.
英文摘要: Changes in the zooplankton community structure in relation to fishery practices in Lake Donghu, Wuhan, China were examined. The number of Protozoa species increased slightly, whereas the number of rotifers and crustaceans decreased from the 1960s to the 1990s. The total annual average densities of zooplankton increased 15-20 times in the 1990s compared with the 1960s. This increase was largely attributed to Protozoa, which contributed 93.4% by number of the total zooplankton density in 1991. Cladoceran densities decreased markedly from 1987. Changes in densities of rotifers and copepods were not evident. Trends in zooplankton biomass were similar to density. Large changes in zooplankton community structure coincided with markedly changes in concentration of chlorophyll a and transparency in Lake Donghu in 1987. The year 1987 seems to be the threshold year when the zooplankton community structure changed considerably. These changes were related to continuously increasing fish stock biomass in the lake. It was suggested that fish stocking and fish biomass should be a better managed for improvement of the quality of the lake's environment.
关键词[WOS]: RESERVOIR ; PLANKTON
语种: 英语
WOS记录号: WOS:000227500200001
ISSN号: 0969-997X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9306
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Jinan Univ, Inst Hydrobiol, Guangzhou 510632, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
3.Xiamen Univ, Environm Sci Res Ctr, Xiamen, Peoples R China

Recommended Citation:
.Effects of fish stocking on the zooplankton community structure in a shallow lake in China,FISHERIES MANAGEMENT AND ECOLOGY,2005,12(2):81-89
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