Ecological characteristics of macrobenthos along the coast of Zhejiang during the summer of 2003

Abstract:

The data from the investigation of macrobenthos along the coast of Zhejiang where the artificial reef would be put in summer of 2003 are analyzed.118 species have been identified.According to the findings,the number of filose,mollusk and crustacean ocout for 41%,29% and 20% of the total species,respectively.The average biomass is 11.04 g/m~2 and the average inhabited density is 230 ind/m~2.Four communities are divided by using the methods of species similar clustering and dominance analysis.At the same time the disturbance of the community structure of macrobenthos in each station has been analysed by using the log-normal distribution of individuals among species,and the result shows that about 60% stations have been disturbed.