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| Time series models and regressive analysis of fish yield in Lake Donghu, Wuhan |
| LIU Zhong-hua, WANG Qing, HUANG Wei-jian |
| Institute of Hydrobiology, Jinan University, Guangzhou 510632, China |
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Abstract The water environment of Lake Donghu,Wuhan,is polluted heavily as a result of population growth and economy development,and the problem of eutrophication is serious.The remedy of Lake Donghu was more and more enhanced from 1980',and the remedy has taken effect by filter-feeding fish.In this study,the time series models and regressive analysis of SPSS were applied to analysis the long-term change of fish yield;the highest fish yield was between 1700t and 1850t in Lake Donghu,and the reasonable fish yield should be about 1150t.
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Received: 25 February 2006
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