罗源湾对虾产卵场调查

The Investigation on Spawn Field of Prawn in the Louyan Bay

随着罗源湾沿岸对虾养殖面积的扩大,对海区对虾亲虾的需求量也不断地加大,这就导致大量捕捞亲虾,引起对虾资源的严重衰退。为了更好地保护和开发对虾资源,调查了连江、罗源及宁德三个县对虾育苗场在罗源湾收购对虾亲虾数量,同时,对虾部分亲虾进行体重、性比及成熟度的测量,从而了解该湾对虾亲虾资源量,此外,还访问有关水产单位和渔民捕虾数量及分布位置,并且结合罗源湾浮游动物调查样品分析资料,综合分析罗源湾对虾产卵场及对虾的来源,以便为今后对虾资源的保护和增殖放流提供参考,兹将调查结果和建议简述如下:

The present study is based on the materials of the number of parent prawn in Louyan Bay from the breeding farms of Lianjian, Louyin and Ningde counties, of calling on fishers and of analysing the samples of collected from Louyuan Bay inl 987. The following results were obtained; Louyuan Bay is a rather good spawn fied of prawn in Fujian Provice becouse of there are some ten thousants of parent prawn of Penaeus orientals and P. penidllitus in it.The source of parent prawn of P. orientalism Louyuan Bay were discussed. Protection of natural resources of prawn and breeding of prawan in Louyuan Bay awe proposed.