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Current status and potential risks of established alien fish species in China

文献类型： 外文期刊

作者： Luo, Du 1 ; Wei, Hui 1 ; Chaichana, Ratcha 4 ; Yang, Dingtian 2 ; Gu, Dangen 1 ; Mu, Xidong 1 ; Xu, Meng 1 ; Yang, Yexin; 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Guangdong Engn Technol Res Ctr Adv Recreat Fisher, Pearl River Fisheries Res Inst, Key Lab Recreat Fisheries,Minist Agr & Rural Affa, Guangzhou 510380, Peoples R China

2.Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Key Lab Ocean Remote Sensing, State Key Lab Oceanog Trop, Guangzhou 510301, Peoples R China

3.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China

4.Kasetsart Univ, Fac Environm, Dept Environm Technol & Management, Bangkok 10900, Thailand

5.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

关键词： natural waters; non-native fish; colonization; niche model; invasive species management

期刊名称：AQUATIC ECOSYSTEM HEALTH & MANAGEMENT （ 影响因子：1.047； 五年影响因子：1.261 ）

ISSN： 1463-4988

年卷期： 2019 年 22 卷 4 期

页码：

收录情况： SCI

摘要： Alien fishes are regarded as one of the major causes of the decline of aquatic fauna and biodiversity. Up to now, more than 500 fish species have been introduced into China from other countries. However, nationwide documentation of the established alien fishes is still lacking and their ecological risk is unclear. We compiled a comprehensive inventory of the colonized alien fish species based on various sources, and then provided a summary of their potential ecological risk. The results indicated that 68 alien fish species (13.44%) have successfully established in the natural waters. These species belong to 12 orders and 29 families. Among them, 56 species (82.35%) were introduced for aquaculture purposes, 11 species (16.18%) were introduced for aquarium and one species (1.47%) was introduced for bio-control. Over 85% of the established fishes were introduced after the 1970s. Geographically, these species are native to 12 regions around the world. Eighteen species and two hybrid species are native to North America which is the most dominant donor. Among these species, 61 can live in freshwater, 41 species can live in brackish and 19 species can live in marine water. Although large number of species, high taxonomic diversity, intensive human activity, diverse geographical origins and high adaptability of non-native species may lead to the increase of invasion risk, previous research about invasive risk just focus on the general impact of aquaculture activities, invasiveness screening using semi-quantitative models and distribution prediction using species distribution models. Further studies will need to be conducted on comprehensive risk assessment, ecological interaction between non-native fish and new environment, on fish species, ecosystem, the impact of human activity and global change on non-native fish colonization.

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