The impacts of invasive Nile tilapia (Oreochromis niloticus) on the fisheries in the main rivers of Guangdong Province, China

文献类型： 外文期刊

第一作者： Gu, Dang En

作者： Gu, Dang En;Ma, Guang Ming;Zhu, Yun Jie;Xu, Meng;Luo, Du;Li, Ying Ying;Wei, Hui;Mu, Xi Dong;Luo, Jian Ren;Hu, Yin Chang;Gu, Dang En;Xu, Meng;Luo, Du;Wei, Hui;Mu, Xi Dong;Luo, Jian Ren;Hu, Yin Chang;Ma, Guang Ming;Zhu, Yun Jie

作者机构：

关键词： Biological invasions;Nile tilapia;CPUE;Fisheries;Native species;Mud carp

期刊名称：BIOCHEMICAL SYSTEMATICS AND ECOLOGY （ 影响因子：1.381； 五年影响因子：1.351 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： Nile tilapia (Oreochromis niloticus) is one of the most widespread invasive fish species, and this species has successfully established populations in the major rivers of Guangdong Province, China. Field surveys and manipulative experiments were conducted to assess the impacts of Nile tilapia on fisheries. We determined that the increase of Nile tilapia in these rivers not only affects the CPUE (catch-per-unit-per-effort) of the fish community and native fish species but also reduces the income of fishermen. In the manipulative experiments, we observed that the growth of native mud carp decreased in the presence of Nile tilapia. Our results suggest that the invasion of Nile tilapia negatively affected the fishery economy and native fish species, and suitable control measurements should be taken. (C) 2015 Elsevier Ltd. All rights reserved.

分类号： Q5

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