7 species occurred in infauna and the dominance species obviously changes as the seasons going. From the community index,infauna community is instable.
7 species occurred in infauna and the dominance species obviously changes as the seasons going. From the community index,infauna community is instable.
果表明,底内动物共出现7种,种类组成贫乏,优势种变化明显,生物量较98~98 年杭州湾调查资料有一定降低,物种多样性指数低并有下降趋势,群落结构极不稳定;