闽南近海定置张网甲壳类渔获物组成及多样性分析

福建水产 ›› 2013, Vol. 35 ›› Issue (5): 355-361.

闽南近海定置张网甲壳类渔获物组成及多样性分析

刘勇¹,马超¹,徐春燕²,²,沈长春¹

1. 福建省水产研究所
2.

收稿日期:2013-07-01 修回日期:2013-09-02 出版日期:2013-10-25 发布日期:2013-10-25
通讯作者: 刘勇

Analysis on composition and biodiversity of crustacean catch by set net in Minnan coastal waters

Received:2013-07-01 Revised:2013-09-02 Online:2013-10-25 Published:2013-10-25

摘要/Abstract

摘要： 根据2012年1-4月、7-12月监测调查资料，分析了闽南近海定置张网甲壳类渔获物种类组成及其多样性变化特点。结果表明：定置张网甲壳类有25种，隶属于2目8科15属。其中虾类16种、蟹类7种、虾蛄类2种。种类组成以对虾科最多，有5属9种。甲壳类占定置张网渔获物总重量的30.1%，总数量的84.0%。虾类在重量和数量上均占甲壳类的第一位。虾类在3~7月占甲壳类产量的76.7%以上；蟹类在8~11月占甲壳类产量的64.7%~88.0%；虾蛄盛产期为12月至翌年2月。甲壳类群落多样性指数和均匀度指数均以12月最高，4月最低，周年多样性指数总体处于较低水平。

关键词: 定置张网, 甲壳类, 种类组成, 闽南近海, set net, crustacean, species composition, Minnan coastal waters

Abstract: Crustacean samples taken month by month in 2012 with set net in the coastal waters of Zhangpu were analyzed. The results showed that there were 25 species of crustacean in this area，which belong to 2 orders，8 families and 15 genera，including 2 squillas，16 shrimps and 7 crabs. Species in Penaeidae family were the most abundant（5 genera 9 species）in the total numbers of crustacean species. The crustacean accounted for 30.1% in the weight of set net catches，for 84.0% in the quantity. Shrimps accounted for the first one in crustaceans in terms of weight and quantity.Shrimps yield accounted for above 76.7% in crustaceans from March to July.Crabs yield accounted for 64.7%~88.0% in crustaceans from August to November. The high yield mouth for squillas are December to February in next year. Both of Shannon-wiener diversity index and Pielou evenness index were highest，but lowest in April. The annual diversity index was at a lower overall level.

刘勇马超徐春燕沈长春. 闽南近海定置张网甲壳类渔获物组成及多样性分析[J]. 福建水产, 2013, 35(5): 355-361.

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