黄渤海春季甲壳类群落结构的空间变化

doi:10.3724/SP.J.1231

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黄渤海春季甲壳类群落结构的空间变化
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                        10.3724/SP.J.1231
                    
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                        [cstr]
                    
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作者单位:中国水产科学研究院 黄海水产研究所,中国水产科学研究院 黄海水产研究所,中国水产科学研究院 黄海水产研究所,中国水产科学研究院 黄海水产研究所,中国水产科学研究院 黄海水产研究所,中国水产科学研究院 黄海水产研究所
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基金项目:国家重点基础研究发展计划项目(2011CB409805); 公益性行业(农业)科研专项经费(200903005); 中央级公益性科研院所基本科研业务费(2008-gy-05);山东省泰山学者工程专项

Spatial variation of crustacean community structure in Yellow Sea and Bohai Sea in Spring

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Key Laboratory for Sustainable Utilization of Marine Fishery Resources,Ministry of Agriculture,Shandong Provincial Key Laboratory of Fishery Resources and Ecological Environment,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Key Laboratory for Sustainable Utilization of Marine Fishery Resources,Ministry of Agriculture,Shandong Provincial Key Laboratory of Fishery Resources and Ecological Environment,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Key Laboratory for Sustainable Utilization of Marine Fishery Resources,Ministry of Agriculture,Shandong Provincial Key Laboratory of Fishery Resources and Ecological Environment,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Key Laboratory for Sustainable Utilization of Marine Fishery Resources,Ministry of Agriculture,Shandong Provincial Key Laboratory of Fishery Resources and Ecological Environment,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Key Laboratory for Sustainable Utilization of Marine Fishery Resources,Ministry of Agriculture,Shandong Provincial Key Laboratory of Fishery Resources and Ecological Environment,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Key Laboratory for Sustainable Utilization of Marine Fishery Resources,Ministry of Agriculture,Shandong Provincial Key Laboratory of Fishery Resources and Ecological Environment,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences

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摘要:

为了解黄渤海甲壳类动物资源状况，于2010年5月采用底拖网调查，对黄渤海甲壳类动物的群落结构进行了研究。结果表明：黄渤海共捕获甲壳类32种，其中虾类18种，蟹类13种，口足类1种；不同海区优势种类组成差异较大，脊腹褐虾(Crangon affinis)在各海区均为优势种，是黄渤海生态系统中最重要的甲壳类物种之一；对黄渤海各海区甲壳类平均相对资源密度组成进行研究，各海区甲壳类生物量均以蟹类密度最高，黄渤海蟹类平均相对资源量为2.97kg/h，丰度均以虾类密度最高，黄渤海虾类平均资源密度为1825ind/h；对黄渤海甲壳类生物量的空间分布进行研究，各海区生物量排序为黄海北部>黄海南部>黄海中部>渤海；对黄渤海各海区甲壳类的生物多样性进行研究，无论根据生物量还是丰度，黄海南部的多样性指数最高，黄海中部的多样性指数最低；对各海区甲壳类群落结构相似性进行研究，毗邻海区甲壳类群落结构的相似性指数相对较高。

Abstract:

Based on the data collected from bottom trawl surveys in Yellow Sea and Bohai Sea in May 2010, the community structure of crustaceans in different regions of Yellow Sea and Bohai Sea were analyzed. We collected a total of 32 crustacean species, including 18 species of shrimp,13 species of crab, and 1 species of squill. The dominant species changed between different regions. The Crangon affinis which was the most important crustacean species in ecosystem was dominant species in all regions of Yellow Sea and Bohai Sea. We studied the composition of average relative density of crustaceans, found that the biomass of crab was highest in all regions, the average relative biomass of crab was 2.97 kg/h, the individual number of shrimp was highest in all regions, the average value was 1825ind/h. We also studied the spatial distribution of crustaceans, found that the sequence by biomass was Northern Yellow Sea >Southern Yellow Sea >Middle Yellow Sea >Bohai Sea. The diversity of crustaceans in Yellow Sea and Bohai Sea was analyzed, the results suggested that the diversity index were highest in Southern Yellow Sea, lowest in Middle Yellow Sea, no matter by biomass or by abundance. The community similarity was also analyzed, the results suggested that the community similarity index was relatively higher between adjacent waters.

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吴强,王俊,陈瑞盛,李忠义,孙坚强,金显仕.黄渤海春季甲壳类群落结构的空间变化[J].水产学报,2012,36(11):1685~1693

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收稿日期:2012-02-29
最后修改日期:2012-09-05
录用日期:2012-09-26
在线发布日期: 2013-01-15
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