Analyzing coastal wetland change in the Yancheng National Nature Reserve,China |
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Authors: | Chang-Qing Ke Dong Zhang Fu-Qiang Wang Shu-Xing Chen Christance Schmullius Wolfgang-Martin Boerner Hui Wang |
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Institution: | (1) Department of Geographic Information Science, Nanjing University, No.22 Hankou Road, 210093 Nanjing, People’s Republic of China;(2) Institute of Geography, Jena University, Grietgasse 6, 07743 Jena, Germany;(3) Communications, Sensing & Navigation Laboratory, Illinois University at Chicago, Chicago, IL 60607-7018, USA;(4) Administration of Yancheng National Natural Reserve, 224002 Yanhceng, People’s Republic of China |
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Abstract: | Coastal zones provide habitat cores and corridors that maintain the diversity of entire landscapes, and they can form the
cornerstone elements of regional conservation strategies. Natural environmental driving factors and excessive anthropogenic
activities play important roles in coastal wetland change. Many studies have used remote sensing images to map and assess
coastal wetland change on local or regional scales. This paper aims to provide insight into coastal wetland change in the
Yancheng National Nature Reserve (YNNR) using remote sensing technology and landscape metrics analysis. The results reveal
that grass flat and reed areas have significantly decreased, whereas agriculture fields, aquaculture ponds and built-up areas
have continuously increased from 1988 to 2006. The spatial pattern of the coastal landscape has become fragmented and heterogeneous
under great pressure from rapid economic development and population growth. The wetland changes have important impacts on
natural habitat of the red-crowned cranes. The results of this study provide basic information that is required for developing
measures toward a sustainable management and conservation of the YNNR. |
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