Methods : Investigating benthic mollusc in four kinds of habitats ( rocky beach , sandy beach , muddy and sandy beach , and mangrove muddy beach ) in the intertidal zone of Shangchuan Island .
方法：对上川岛潮间带（沙滩、泥沙滩、红树林泥滩、岩石滩）4种不同生境的7个样方的底栖软体动物进行了生物多样性的初步调查。
shangchuan