摘要
根据2004年7月～2006年3月间对长江江苏段靖江江段渔获中中华绒螯蟹的比例分析,结果显示:江段中中华绒螯蟹在渔获中比例的数量峰值主要集中在上半年度,以3月份为最高,达到渔获数量的1438％。重量比例峰值主要集中在05年的3月份和9月～11月份,以05年10月份最高,达27．17％,11月份次之。在04年秋季至05年冬季间,05年渔获中中华绒螯蟹的数量比例和重量比例部比04年同季节的值要高,江段中华绒螯蟹资源正处于恢复阶段。
According to the analysison the proportion of Chinese mitten-handed crab by fishingin the Jingjiang section of the Yangtze River in Jiangsu province between July 2004 to February 2006, the results showed that the volume peak of Chinese mittenhanded crabin fishingis mainly concentrated inthe first half of every year , the maximum volume for Chinese mitten-handed crabfishingis in March, reaching 14.38% in total fishing volume. The Weight peakis mainly concentrated in March and September to November in 2005 , the maximum Weight for Chinese mitten-handed crabfishing is in October 2005 , reaching 27.17% , it＇s slightly lessin September 2005 . Between summer in 2004 to winter in 2005 , the volume and weight or Chinese mitten-handed crab fishing in 2005 are more than the same period in 2004 , showing the resource of Chinese mitten-handed crabis in a stage of restoration.
出处
《水产养殖》
CAS
2007年第2期8-10,共3页
Journal of Aquaculture
基金
江苏省公益项目(BM2004701)
江苏省环保厅环保科技项目(2004013)
关键词
长江
中华绒螯蟹
资源
保护对策
Yangtze River
Chinese mitten-handed crab
resource
countermeasure for protection
