Division of Populations for Pseudosciaena crocea Based on Population Ecology Concept:Discussion
Division of Populations for Pseudosciaena crocea Based on Population Ecology Concept:Discussion
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发表时间：
2013
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通讯作者：
Lu Xin-jiang
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作者：
Lu Xin-jiang
大黄鱼的地理种群划分从种群生态学的角度对大黄鱼（Pseudosciaena crocea）进行了探讨，从种群生态学中“地理种群”的概念出发，认为地理隔离是将种群划分为不同地理群的必要条件，并以其他因素作为辅助参考，虽然解不是绝对的，将大黄鱼分布区划分为两个完全独立的洋流系统：（1）台湾暖流和东、黄海沿岸流形成的洋流系统，（2）南海季风在台湾海峡和南海形成的洋流系统，这两个洋流系统将大黄鱼分为两个地理种群：黄海南部和东海（SYS-ECS）种群和台湾海峡和南海（TS-SCS）种群。朝鲜半岛半岛西南部、吕四洋、代曲洋、大木洋、猫头洋、洞头岩、官井洋和东阴群岛。TS-SCS种群分布在牛山岛、九龙江外岛、南尾岛、汕尾近海、闹洲岛和徐闻近海6个产卵聚集区。
The geographic population dividing for large yellow croaker(Pseudosciaena crocea) is discussed from the perspective of population ecology.From the concept of "geographic population" in population ecology,the geographic isolation is the necessary condition for dividing the population into the different geographic groups with other factors used as the auxiliary reference.Although the solutions are not absolute,the area of P.crocea is divided into two completely separate oceanic current systems:(1) the ocean circulation formed by Taiwan warm current and coastal current in the East China Sea and Yellow Sea,(2) the ocean circulation formed by South China Sea monsoon in the Taiwan Strait and the South China Sea.The two oceanic current systems separate P.crocea into two geographic populations: southern Yellow Sea and East China Sea(SYS-ECS) population,and Taiwan Strait and South China Sea(TS-SCS) population.The SYS-ECS population includes 8 spawning aggregations as follows: south-west area of Korean Peninsula,Lvsiyang,Daiquyang,Damuyang,Maotouyang,Dongtouyan,Guanjingyang and Dongyin archipelago.In contrast,the TS-SCS population covers 6 spawning aggregations: Niushan Island,outside islands of Jiulong River,Nanao Island,Shanwei-offshore,Naozhou Island and Xuwen-offshore.