Landuse Transformation and Ecosystem Health Assessment from 1986 to 2005 in Zhejiang Coastal Zone

摘要

Because of global climatic variations and anthropogenic influence on local environment, as the active interaction belt between ocean and land, the coastal ecosystems are sensitive even part of them are under pressure. It is of very necessary to diagnose whether they are in healthy stage. The Zhejiang coastal zone situated at about 120°E - 123°E and 27°N -31°N, the landuse have changed largely during the past 20 years as long as the rapid economic development. In this paper the largest island-Zhoushan island- in the Zhejiang coastal line is selected as the study site. The objective is to establish a way to assess coastal ecosystem health stage. Indicators include the landuse transformation, water quality, ecosystem services during 1986 to 2005. The results indicate that the human pressure become more and more large. The scene generally is the outcome of economic pursuing activity. In the discussion we also provide some strategy to keep the human and nature harmonious.