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当前位置: 首页 > 文章 > 闽江口和兴化湾浮性鱼卵和仔鱼分布特征的比较 上海海洋大学学报 2010,19 (6) 822-827
Position: Home > Articles > Comparison of distribution of pelagic fish egg and larva between the Minjiang estuary and Xinghua bay Journal of Shanghai Ocean University 2010,19 (6) 822-827

闽江口和兴化湾浮性鱼卵和仔鱼分布特征的比较

作  者：
徐兆礼
单  位：
中国水产科学研究院东海水产研究所农业部海洋与河口渔业重点开放实验室
关键词：
闽江口;兴化湾;鱼卵;仔鱼;渔场
摘  要：
利用2009年4月和9月闽江口和兴化湾海域浮性鱼卵、仔鱼调查资料,比较和分析了这两个海域浮性鱼卵、仔鱼的种类组成、数量分布、产卵场位置和产卵期等特征。结果表明,调查期间闽江口鱼卵、仔鱼共出现4目7科8种,其中鲈形目种类最多。同期兴化湾鱼卵、仔鱼共出现5目9科10种。9月闽江口产卵场主要位于南部水域,与闽江口南支为径流主要通道有关,也与径流所受到柯氏力有关。而兴化湾产卵场则主要位于中部水域,这是外来涨潮水和内湾水交汇的主要海域。闽江口浮性鱼卵、仔鱼的种类主要是洄游性鱼类,例如白姑鱼和小公鱼。而兴化湾是塘鳢科和虎鱼科的鱼类,往往具有地方性栖息习性。在9月,兴化湾海域浮性鱼卵和仔鱼的数量分别是5ind./m2和9.58ind./m2,闽江口分别为197.17ind./m2和20ind./m2。兴化湾鱼卵和仔鱼的数量远远低于闽江口海域。也就是说,闽江口渔场作为鱼类产卵场,其重要意义要大于兴化湾渔场。
译  名：
Comparison of distribution of pelagic fish egg and larva between the Minjiang estuary and Xinghua bay
作  者：
XU Zhao-li (Key and Open Laboratory of Marine and Estuary Fisheries,Ministry of Agriculture of China,East China Sea Fisheries Research Institute,Chinese Academy of Fisheries Sciences,Shanghai 200090,China)
关键词：
Minjiang estuary;Xinghua bay;fish egg;larva fish;fishing ground
摘  要：
Based on the data from four oceanographic censuses in the Minjiang estuary and Xinghua bay of Fujian Province during April and September of 2008,this paper compared the spatial-temporal distribution of pelagic fish eggs and larva between the Minjiang estuary and Xinghua bay,including the location of spawning grounds,breeding seasons,species composition and density variation in the seas.The results showed that 8 species in 4 orders,7 families of pelagic fish eggs and larva occurred in Xinghua bay,while 10 species in 5 orders,9 families occurred in the Minjiang estuary.The spawning ground mainly lay in the southern waters of Minjiang estuary where high density of pelagic fish eggs and larva occurred.This is because the runoff mainly flowed down the river through the south branch of Minjiang estuary,furthermore,the runoff deflected to south under the influence of the Coriolis Force after going out of mouth,so the southern waters serve as the area where different currents mixed.The middle of Xinghua bay is responsible for the ideal spawning ground where the inner bay water mixed with incoming tidal water.The fishes breeding their offspring mainly were migratory species in the Minjiang estuary,for example Argyrosomus argentatus and Stolephorus chinensis,but resident fishes in the Xinghua bay such as Eleotridae and Gobiidae.For pelagic fish eggs and larva,the densities in the Xinghua bay were 5 ind./m2 and 9.58 ind./m2,being clearly lower than the densities (197.17 ind./m2 and 20 ind./m2 respectively) in the Minjiang estuary so that its importance as a spawning ground in the Minjiang estuary is greater than that in the Xinghua bay.

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