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江苏盐城淤泥质海岸带湿地生态系统健康评价(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年04期
Page:
13-17
Column:
研究论文
publishdate:
2011-07-31

Article Info:/Info

Title:
Rapid assessment of wetland ecosystem health in silting coastal area of Yancheng city, Jiangsu province
Author(s):
WANG Lei12 DING Jingjing1 REN Yijun3 DING Yuhua3 JI Yonghua1 LIANG Zhenhai1
1.Jiangsu Academy of Forestry, Nanjing 211153, China;2.Institute of Forest Ecology,Environment & Protection, Chinese Academy of Forestry,Beijing 100091,China;3.Jiangsu Dafeng Milu National Nature Reserve, Yancheng 224136,China
Keywords:
silting coastal area wetland ecosystem health pressstateresponse(PSR) model Yancheng city
Classification number :
Q143
DOI:
10.3969/j.jssn.1000-2006.2011.04.003
Document Code:
A
Abstract:
According to the theories and approaches of the ecosystem health and the pressstateresponse model, wetland ecosystem health in silting coastal area of Yancheng city was assessed rapidly based on the indicators directly extracted from the GIS and RS data. A model for rapid assessment of wetland ecosystem health was built up, and the spatial distributing rules of wetland ecosystem health in silting coastal area of Yancheng were explored. Following results were obtained that (1) The distribution of the structure of wetland ecosystem health of the silting coastal area of Yancheng are as follows: 22 % excellent area, 67 % generic aera and 11 % poor area. (2) The health status of the district among Wangjiacao Port and Laoba Port is the best, where the value of health index reaches 0.87; whereas the health of the district among Doulong Port and Simaoyou Port is the poorest, where the value of health index is only 0.32. (3) The main reasons, causing the damage to wetland ecosystem, are attributed to the reclamation and pollution of industry and also agriculture.

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Last Update: 2011-08-13