The Ecological Distribution of Fish Eggs and Larvae in Sansha Bay,Fujian

Based on the samples of seasonal investigation in Sansha Bay in February,May,August,and November,in 2007,the species composition,abundance and the relation with environmental factors and the zooplankton were studied.23 species were recorded, most of fish eggs were species of Labridae,it made up 47.1%of the total fish eggs.Most fish larvae were Gobiidae,it made up 97.1% of the total larvae.The maximal abundance of fish eggs and fish larvae both occur in May(l.37 and 1.61 ind/m~3).In February,there are a few fish eggs,the abundance is 0.03 ind/m~3.In August,there is only fish larvae,the abundance is 0.35 ind/m~3,and in November, there are only fish eggs,the abundance is 0.06 ind/m~3.It shows that the distribution presents distinct seasonal evolution,and its horizontal distribution is identical as the zooplankton larvae.There is distinct correlation between the abundance of the macro-zoo-plankton and fish larvae in May(p0.05).