Biodiversity variation of fishery community in Anqing section of the Yangtze River before and after the spring closed season
2006
Xu Donbpo, Zhang Minying, Liu Kai
Chinese. 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,M argalef指数0.76,P ielou指数0.81,M cNaughton指数0.53;春禁后(2002-2004)各指标为:Shannon指数2.42,M argalef指数1.38,P ielou指数0.79,M cNaughton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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