Land Use Change and Its Ecology Effects in Coastal Region of Jiangsu Province

doi:10.13961/j.cnki.stbctb.2017.03.023

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Land Use Change and Its Ecology Effects in Coastal Region of Jiangsu Province

- Land Use Change and Its Ecology Effects in Coastal Region of Jiangsu Province
- Bulletin of Soiland Water Conservation Vol. 37, Issue 3, Pages: 131-139(2017)
- 作者机构：
  
  1. 曲阜师范大学地理与旅游学院,山东,日照,276826
  2. 国土资源部海岸带开发与保护重点实验室,江苏,南京,210024
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2017.03.023
  CLC：
- Published：2017
- 稿件说明：
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Land Use Change and Its Ecology Effects in Coastal Region of Jiangsu Province[J]. Bulletin of Soiland Water Conservation, 2017, 37(3): 131-139.
DOI：

Land Use Change and Its Ecology Effects in Coastal Region of Jiangsu Province[J]. Bulletin of Soiland Water Conservation, 2017, 37(3): 131-139. DOI： 10.13961/j.cnki.stbctb.2017.03.023.

摘要

[目的] 分析江苏沿海地区的土地利用类型和空间变化，探讨江苏沿海地区土地利用变化产生的生态效应，为土地利用规划提供理论支持。[方法] 以江苏沿海地区1990，2000和2010年3期土地利用类型数据为基础，借助GIS技术和Costanza等的生态服务价值计算模型，求取土地利用动态度、综合程度指数、质心变化和生态服务价值量等，并进行剖析。[结果] 1990-2010年，研究区内耕地、林地和草地的面积减少，水域、城乡建设用地和未利用地的面积增加。城乡建设用地的扩张占用了耕地，对耕地的补充主要是草地，草地、未利用地和城乡建设用地在空间位置上变化较大。耕地、林地和草地面积的减少使得研究区生态服务价值降低，而水域的面积的增加带来的生态效益弥补了因上述用地类型面积减少造成的损失。[结论] 1990-2010年研究区生态服务价值增加了24.34亿元，但从空间上来看，生态增值区分布范围小，主要集中在盐城的东部沿海，而生态减值区分布范围较广且有扩大的趋势，有待通过规划等措施强化土地利用变化的综合调控。

Abstract

[Objective] The changes of land use types and spatial distribution in coastal area of Jiangsu Province were demonstrated and the subsequent ecological effects were discussed to provide theoretical supports for land use planning.[Methods] Based on the land use data of the coastal region of Jiangsu Province in 1990

2000 and 2010

supported by GIS technology

dynamic degree of land use

comprehensive degree index

the gravity center and the value of ecological service

etc

were calculated using ecological service value calculation model of Costanza.[Results] Areas of arable land

forestland and grassland were all reduced

while water area

urban-rural construction land and unused land area increased in researched region during 1990 to 2010. The expansion of urban-rural construction land occupied arable land

and the supplement of arable land was mainly about the exploitation of grassland. The grassland

unused land and urban-rural construction land were highly changed in terms of their spatial position. Due to the reductions of farmland

forestland and grassland

ecosystem services value in the study area was reduced. And ecological benefits from the increase of water area made up for the loss caused by area reductions of the above land use types.[Conclusion] During 1990 to 2010

the ecological service value increased by 2.434 billion yuan in the study area. But ecological benefited area was small

mainly distributes in the eastern coastal zone of Yancheng. Ecological damaged areas distribute widely

and the area has a tendency to expand. It is necessary to take land use planning and other measures to comprehensively control land use change.

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