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Biodiversity and Conservation of Fish in the Beibu Gulf

Biodiversity and Conservation of Fish in the Beibu Gulf

Wang Teng1,2,3,4, Li Chunhou1,2,3,4, Liu Yong1,2,3,4* and Zhu Ren5*

1Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
2Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 510300, China
3Scientific Observation and Research Field Station of Pearl River Estuary Ecosystem, Guangdong Province, Guangzhou 510300, China
4Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, Guangzhou 510300, China
5Laboratory of Biological Invasion and Adaptive Evolution, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
 
*   Corresponding author: liuyong@scsfri.ac.cn, zhuren@ihb.ac.cn

ABSTRACT

The Beibu Gulf is one of the biodiversity hotspots in the global marine ecosystem, and an important fishing ground of East Asia. In the past several decade years, multiple pressures including overfishing, habitats destruction, pollution and eutrophication, and non-native species have seriously threaten the biodiversity of fish in the Beibu Gulf. However, the information about fish fauna in this region is very poorly which limiting the conservation of fish biodiversity and sustainability of the fishery. In this study, we calculated taxonomic features of fish in the Beibu Gulf based on the sampling and observational field data obtained from the competent authorities. Our results indicate that 1519 species were recorded, which belongs to 42 orders and 198 families. Compared with earlier studies, the species richness of fish in Beibu Gulf has decreased significantly, especially in large predatory fish and demersal fish. Now, overfishing, habitats destruction, pollution and eutrophication, and non-native species are important threat to native fish biodiversity. The results shed light on the importance of conservation and ecosystem-based fishery management. For better to protect fish biodiversity and fisheries resources, more international cooperation on protected areas, fishing ban, and scientific research should be implemented for effectively protecting fish biodiversity and fisheries resource sustainability.

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Pakistan Journal of Zoology

February

Pakistan J. Zool., Vol. 56, Iss. 1, pp. 01-501

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