| 长江安庆江段春禁前后渔业生物多样性变化 |
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| 引用本文： | 徐东坡,张敏莹,刘凯,施炜纲.长江安庆江段春禁前后渔业生物多样性变化[J].安徽农业大学学报,2006,33(1):76-80. |
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| 作者姓名： | 徐东坡 张敏莹 刘凯 施炜纲 |
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| 作者单位： | 中国水产科学研究院淡水渔业研究中心,无锡,214081 |
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| 基金项目： | WWF基金
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长江渔业资源管理委员会基金 |
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| 摘 要： | 1999-2004年4-6月份长江下游安庆江段渔获中出现鱼、虾、蟹种类共7目13科41种.春禁前(1999-2001)多样性特征值年间平均指标为:Shannon指数1.91,Margalef指数0.76,Pielou指数0.81,McNaughton指数0.53;春禁后(2002-2004)各指标为:Shannon指数2.42,Margalef指数1.38,Pielou指数0.79,McNaughton指数0.36.研究表明,春禁后安庆江段渔业生物群落结构正逐步趋于复杂化,多样性逐步回升.
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| 关 键 词： | 安庆江段 春季禁渔 群落结构 生物多样性 |
| 文章编号： | 1672-352X（2006）01-0076-05 |
| 收稿时间： | 2005-03-21 |
| 修稿时间： | 2005年3月21日 |
Biodiversity variation of fishery community in Anqing section of the Yangtze River before and after the spring closed season |
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| XU Dong-po,ZHANG Min-ying,LIU Kai,SHI Wei-gang.Biodiversity variation of fishery community in Anqing section of the Yangtze River before and after the spring closed season[J].Journal of Anhui Agricultural University,2006,33(1):76-80. |
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| Authors: | XU Dong-po ZHANG Min-ying LIU Kai SHI Wei-gang |
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| Institution: | Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081 |
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| Abstract: | The construction of he political and ideology education form is the most important thing in enhancing the political and ideology education under the new situation. This paper wants to study this problem from the aesthetical perspective and combines theory with practice. Further, in order to make the form of the political and ideology education fit for the requirement of times, the author tries to research this problem from the following aspects: the elements of the form, the construction principle and practical way. |
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| Keywords: | Anqing section of the Yangtze River spring closed season community structure biodiversity |
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