海洋科学2016，Vol.40Issue(10)：33-42,10.DOI:10.11759/hykx20150909001
乐清湾口海域春秋季甲壳动物的群落结构特征研究
The study of community structure of crustaceans in Yueqing Bay during spring and autumn
摘要
Abstract
Crustacean data based on comprehensive fishery resource surveys were gathered in spring and autumn of 2012 in the mouth of Yueqing Bay, and the species composition, dominance, spatial distribution of species, biological diversity, and similarities of shrimp communities were studied as well as the influential factors in the mouth of Yueqing Bay. The result showed a total of 34 species, which belonged to 23 genera in 17 families of 2 orders. The only dominant species was Portunus trituberculatus in spring, and the dominant species were Charybdis japonica,Oratosquilla oratoria, Hippolysmata ensirostris,and Portunus trituberculatusin autumn. The seasonal variation in the dominant species'' seasonal succession phenomenon was very obvious in spring and autumn: the number of species in autumn was higher than in spring; moreover, the species diversity in the center zone was higher than in other places in the survey sea. The biodiversity indices in spring were lower than in autumn, and the community structure of crustaceans had a good relation with the marine environment. The crustaceans species types mainly belonged to seasonal, eurythermic, and oligohalabous in the mouth of Yueqing Bay, because this area is adjacent to the Oujiang estuary, which has much running water. Crustaceans have fewer species because of the freshwater coming from Oujiang in spring; on the contrary, the species diversity is larger when the water masses flow together in autumn. External factors, such as terrain, water depth, and the water system have a greater influence on the community structure.关键词
甲壳动物/生物多样性/群落结构/乐清湾口海域Key words
crustaceans/biological diversity/community structure/Yueqing Bay mouth分类
生物科学引用本文复制引用
夏陆军,周青松,俞存根,宋伟华,郑基,毕耜瑶,谢旭,李德伟,叶深..乐清湾口海域春秋季甲壳动物的群落结构特征研究[J].海洋科学,2016,40(10):33-42,10.基金项目
国家自然科学基金项目(31270527) （31270527）
企业委托项目(2012.03- 2013.03) Project of National Natural Science Foundation of China, No.31270527 （2012.03- 2013.03）
enterprise entrusted project, No.2012.03-2013.03 （）
