Geographical Distribution and Faunal Analysis of Crab Resources in the East China Sea
Geographical Distribution and Faunal Analysis of Crab Resources in the East China Sea
复制标题
DOI：
--
复制
发表时间：
2003
期刊：
影响因子：
--
通讯作者：
Yu Cun
中科院分区：
文献类型：
--
作者：
Yu Cun
根据1998年5月、8月、11月和1999年2月3次对虾、蟹类调查获得的蟹类种类，以及文献报道的蟹类种类，对东中国海区蟹类的地理分布和区系特征进行了全面的研究。结果表明，在324种蟹类中，以东中国海暖水S亚热带和热带种类最多，蟹类区系属于印度和西太平洋的日本-中国亚区。与日本的关系较好，与南中国海关系较弱，与黄渤海关系不大。不同地区蟹类区系组成略有差异。例如，热带成分由北向南，由潮间带和沿海浅海向深水区递增。同时，在北纬31°N附近似乎分布着一些具有热带特征的蟹种。但通过调查和研究表明，值得注意的是，东中国海区的地理分布比文献报道的更为密集，它们都分布在长江口以北33°N或吉州岛西南方向，不仅分布在长江口南部，如红腹梭子蟹、细齿梭子蟹、叉尾鱼等。
Based on the obtained crab species f rom the investigation of shrimp and c rab species in May,August and November of 1998and Febru ary of 1999,as well as the ones reported in the documents,this paper made a fully research on the geograph ical distribution and faunal characteristic of crab species in the East China Sea for the purpose of getting a full v iew.The results showed that the most among the 324kinds of crab species belongs to the warm water species of s ubtropical and tropical zones in the East China Sea,and the fauna of crab species belonged to Japan -China subregion of India and Western Pacific Ocean,which has better relationship to Japan than to the South China Sea,and has little relation to the Yellow Sea and Bohai Sea.Faunal component of crab species in different regions ex hibits a bit distinct.For instance,tropical component tends to go up fro m North to South and from intertidal zo ne and coastal shallow sea to deep -se a zone.Meanwhile,it seems that some crab species with tropical characte ristic are distributing near at 31°N,the border of North.However,it's worth-while to indicate that,through inve stigation and study,geographical distribution in the East China Sea are more intensive than that reported in the d ocuments.They are all beyond the estuarine of Yangtze River towards 33°N or the south west of Jizhou island and not only distributed in the south of Yan gtze River estuary such as Portunus sanguinolentus,Portunus grasilim anus and Calappa iophos.