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题名: The status of fishery resources of Lake Chaohu and its response to eutrophication
作者: Guo Long-Gen (longgen@ihb.ac.cn) ; Xie Ping (xieping@ihb.ac.cn) ; Ni Le-Yi ; Hu Wan-Ming ; Li Hong-Yuan
通讯作者: Guo Long-Gen ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2007
卷: 31, 期:5, 页:700-705
收录类别: 其他
英文摘要: Front 2002-2004, investigations on fish communities were carried out in Lake Chaohu. According to historic data, the dynamic variation of fishery resources of Lake Chaohu was analyzed in recent 50 years. There are 54 fish species found, belong to 8 orders, 16 families, of which the fishes of Cyprinidae were 35 species and accounted for 64.8% and migration fishes were very scaring. It indicated that the tendency of small-sized fisheries and the lower yield fish were obvious. Due to water engineering were built in 1960s, most potsmodromous fishes decreased greatly by 40% of total fish yield before the built of dams to less than 10% in present study period. Another important factor is overfishing. 9 folds of fishing boats and 5 folds of fishermen were found ill 2002, which brought much fishing pressure in Lake Chaohu. Furthermore, eutrophication and lack of aquatic macrophytes were affected the communities of dominanted fishes in Lake Chaohu. Based on analyses of composition of fish catchments and relationship between fish yield and eutrophication, eutrophication control and sustainable development of fisheries of Lake Chaohu are put forward. fit order to develop sustainable fisheries in Lake Chaohu, both biomanipulation and non-biomanipulation should be Suggested in future.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18217
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Guo Long-Gen (longgen@ihb.ac.cn) ; Xie Ping (xieping@ihb.ac.cn) ; Ni Le-Yi; Hu Wan-Ming; Li Hong-Yuan.The status of fishery resources of Lake Chaohu and its response to eutrophication,Acta Hydrobiologica Sinica,2007,31(5):700-705
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文件名: The status of fishery resources of Lake Chaohu and its response to eutrophication.pdf
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