同安湾贝类的养殖容量

以初级生产力为基础，采用营养动态模式和沿岸海域生态系能流分析模式，估算同安湾贝类生态容量，并通过对潮间带非养殖区和浅海底栖动物及吊养区滤食性附着动物的现存量调查，估着养殖容量，同时采用统计分析法估算贝类及其主要品种的适养面积。估算结果：贝贝类养殖容量为４５５４６ｔ（带壳鲜重），适养面积３０２７ｈｍ＾２，其中石蛎２２８０ｈｍ＾２，缢蛏９５ｈｍ＾２，菲律宾蛤仔１２０ｈｍ＾２，翡翠贻贝２５ｈｍ＾２。分析１９９４年以来实际养殖贝类病害不断，单产连续下降的主要原因是超容量养殖所至。建议参照估算的适养面积进行养殖规划，并合理安排布局，适当间养藻类，防止因海域富营养化而发生赤潮。

The carrying capacity of Tong'an Bay for the culture of shellfish

In this paper, the assessment results of phytoplankton, chlorophyll, primary production, zoobenthos of the without aquarulture range in tidal zone and the shallow sea, fouling zoo of filtration and without aquaculture Of the hanging culture range were investigated in Tong' an Bay during 1998. The carrying capacity of Tong' an Bay for the culture of shellfish are estimated by the nutrition dynamic model and the coast enery flowing analysis method. The optimal optimal areas of shellfish culture and its major kinds are calculated through statistics analysis. The results are that the carrying capacity of culture of shellfish is 45546 t (with weight of shell) and that the optimal farming areas is 3027 hm2. Among which the oyster of adhesion stone for culture is 2280hm2, the oyster of hanging for culture is 500hm2, Sinoncuacula constricta is 95hm2, Rnditapes pholippinarum is 120hm2, Perna viridis is 25hm2. Since 1994, the actual farming area exceeded the optimal farming area, and the yield of unit has been decreased year after year. The diseases have been taken place constantly. The Bay culture and its distribution are arranged on the basis of above mentioned optimal farming area. The alage culture are proper arranged to preverted taking place red plankton bloom for the water having over full nutrition.