深沪湾浮游动物生态的研究

Ecological Studies of zooplankton in Shenhu Bay

本文主要研究深沪湾浮游动物的生态特征,及其与水产增养殖业的关系。结果表明,浮游动物已鉴定到种的有66种,划分为5个生态类群,以暖水性近岸类群为主体;生物量和个体数量较高。梅林附近海区基础饵料生物丰富,是一个幼鱼索饵的良好场所;4个群落结构指标评价结果表明除内湾北部沿岸的S1、S4、S5站水质属轻污染外,其它均为清洁水,适合发展水产养殖业。文章也指出湾北部沿岸的藤壶六肢幼虫和夜光虫(5月)大量出现,及其对养殖业的危害,应引起重视。

This paper is major in ecological characteristics of zooplankton in Shenhu Bay, and its relation to the fishery aquaculture industry was also analyzed. The result showed that 66 species of zooplankton were identified, which were divided into five ecological communities. Among them, neritic warm water community was dominant. Both of the total biomass and individual number of zooplankton were higher and feed organism was abundant, Especially beside the Meilin area is a good feeding ground of the fish larval. Four indices of community structure of zooplankton showed that the water of Shenhu Bay was clean expect of S1, S4 and S5 stations. These will be benefit to developing of fishery aquaculture industry. But, the paper pointed out that a great deal of Banlanus larvae and Noctiluca scientillans (in May) appeared in the North Bay, and their harm to fishery aquaculture industry must be paid attention to.