Abstract:Estuarine habitat, one of basic components of estuarine ecosystems, is a typical marine habitat. Human activities such as large-scale engineering construction in the estuarine comprehensive regulation have an important impact on estuarine ecosystems, resulting in estuarine habitat fragmentation. In this paper, based on the survey and sampling data of 7 habitat indices carried out during May to June, 2002 in the Yangtze River Estuary, we preliminarily studied and analyzed the impact of the first-stage projec...