涠洲岛淡水鱼类多样性研究

Guangxi Sciences(2017)

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Abstract
[目的]全面了解涠洲岛淡水鱼类的生物多样性.[方法]选择了10个调查位点,利用电鱼器和流刺网对涠洲岛的淡水湿地进行4个季度的全面采样.[结果]共计采到鱼类标本1722尾、鱼种10种.除罗非鱼Oreochromis mossam bicus和食蚊鱼Gam busia affinis两种外来物种外,其他的8种本土鱼类分别隶属于4目7科8属.种类和数量在不同区域和季节的差异明显.[结论]涠洲岛淡水鱼类存在种类较少,生物多样性较低,物种分布不均衡的特点.
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Key words
Weizhou Island,freshwater fish,biodiversity
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