台湾海峡夏秋季游泳动物资源分布及群落结构

应用生态学报 ›› 2005, Vol. 16 ›› Issue (10): 1948-1951.

台湾海峡夏秋季游泳动物资源分布及群落结构

林龙山, 郑元甲, 马春艳

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, 上海 200090

收稿日期:2005-01-04 修回日期:2005-03-29 出版日期:2005-10-15 发布日期:2005-10-15
通讯作者: 林龙山,男,1974年出生,硕士,助理研究员.从事渔业资源与渔业生态研究,发表论文10余篇.Tel:021-65803266;Fax:021-65680301;E-mail:linlsh@sh163.net
基金资助:
国家海洋勘测专项资助项目(HY-126-02-02).

Distribution of nekton stock density and its community structure in Taiwan Strait in Summer and Autumn

LIN Longshan, ZHENG Yuanjia, MA Chunyan

Key Laboratory of Marine and Estuarine Fisheries, Ministry of Agriculture, East China Sea Fisheries Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China

Received:2005-01-04 Revised:2005-03-29 Online:2005-10-15 Published:2005-10-15

摘要/Abstract

摘要： 根据夏季和秋季在台湾海峡进行的底拖网调查数据,分析了台湾海峡游泳动物资源密度指数分布及群落结构.结果表明,台湾海峡夏季平均资源密度指数高于秋季,分别为8.50和6.94kg·h^-1;夏秋季出现游泳动物种类分别为80种和91种,秋季丰富度、多样性、均匀度均高于夏季,夏秋季平均多样性指数分别为2.0466和2.3964;相对重要性指数IRI大于200的优势种夏季有5种,为带鱼、发光鲷、短尾大眼鲷、花斑蛇鲻、中国枪乌贼,秋季有6种,为带鱼、七星底灯鱼、刺鲳、中国枪乌贼、蓝圆_鲹、鹿斑鲾;夏季优势种的聚集强度比秋季强.

关键词: 资源密度指数, 群落结构, 多样性, 游泳动物, 台湾海峡

Abstract: This research was conducted based on the bottom trawl surveys in Summer and Autumn.An analysis on the stock density and community structure of nekton in Taiwan Straits indicated that the average stock density was 8.50 kg穐^-1 in Summer and 6.94 kg穐^-1 in Autumn.The species number was 80 in Summer and 91 in Autumn,and the abundance,species diversity index,and evenness index were all higher in Autumn than in Summer.The average species diversity index was 2.0466 in Summer and 2.3964 in Autumn.The dominant species whose index of relatively importance (IRI) was >200 were hairtail (Trichiurus japonicus),lanternbelly (Acropoma japonicum),red bigeye (Priacanthus macracanthus),large-scale lizardfish (Saurida undosquamis) and common Chinese squid (Loligo chinensis) in Summer,and hairtail (Trichiurus japonicus),skinnycheek lanternfish (Benthosema pterotum),wart perch (Psenopsis anomala),squid (Loligo chinensis),white-tipped mackerel scad (Decapterus maruaelsi) and deep pugnose ponyfish (Secuter ruconius) in Autumn.As a whole,the aggregated intensity of dominant species in Summer was higher than that in Autumn.

Key words: Stock density indices, Community structure, Species diversity, Nekton, Taiwan Strait

中图分类号:

S931.5

林龙山, 郑元甲, 马春艳. 台湾海峡夏秋季游泳动物资源分布及群落结构[J]. 应用生态学报, 2005, 16(10): 1948-1951.

LIN Longshan, ZHENG Yuanjia, MA Chunyan . Distribution of nekton stock density and its community structure in Taiwan Strait in Summer and Autumn[J]. Chinese Journal of Applied Ecology, 2005, 16(10): 1948-1951.

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