Abstract
Zostera bed has the function of forming a rich ecosystem, and various kinds of organisms inhabit. This Zostera bed has been reduced in number due to landfill construction done during the period of high economic growth, and now the NPO corporation and municipalities are developing activities. It is general to evaluate soundness based on seaweed bed area and stock density, but it is thought that it is necessary to evaluate soundness based on the diversity of biological communities in consideration of the function of Zostera bed. This research, the final objective is to evaluate from the viewpoint of biodiversity for the Zostera bed created, this paper we will present the results of the biological survey of Leaf creature and bentos performed on the native Zostera bed, It is aimed to evaluate by various methods of evaluating existing biodiversity and to verify the difference of trends by those indices.
