摘要
以2004年美国IKONOS卫星影像数据为信息源,结合野外调查情况,调查了南京市湿地类型、面积及其分布状况,并分析了南京市各类湿地面积近十多年来的变化情况,及南京湿地存在的主要威胁因素,提出了合理保护开发南京湿地资源建议。
Based on the information from American satellite IKONOS in 2004 and the field investigation, the types, total area and distribution of wetland resources in Nanjing city were studied in this paper. The results showed that the total area of wetlands in Nanjing was 202 140.6 hm2 , nearly accounted for 30.64% of the city area. The natural wetland area reaehed 48 851.94 hm2 , which was nearly 22.19% of the city area, and the constructed wetland area was 157 288.66 hm2 , nearly 77.81% of the city area. The change of each wetland type in the lately 10 years and the main problems were analyzed. Meanwhile, some suggestions were put forward on how to protect and use the wetland resources in Nanjing city.
出处
《林业科技开发》
2009年第6期134-137,共4页
China Forestry Science and Technology
基金
南京市农林局课题"南京市湿地调查研究"(2005)
关键词
湿地
调查
南京市
Wetlands
Investigation
Nanjing
