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大源湖虾类种类组成、时空分布及生物量估算
Authors
张堂林
李钟杰
洪一江
秦海明
Publication date
1 January 2007
Publisher
Abstract
利用“蹦网”(pop-net)采样,调查了龙感湖一个湖汊—大源湖的虾类种类组成、空间分布,估算优势种类的生物量.在2002年冬季的31个采样点和2003年春季42个采样点中共采集到虾类2707尾,属于甲壳纲,十足目的2科5属.秀丽白虾(Exopalaemon modestus Heller)是大源湖虾类的优势种,占采样总数量的84.1%.根据水深分布特征和水生植被的分布格局,划分生境类型,苦草生境是各虾类分布最多的生境,冬季优势种秀丽白虾在苦草生境中的密度是8.14 ind/m2,生物量是1.59 g/
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 15/03/2018