Assessment of GIS-based Land Eco-environmental Sensitivity in Baoji City

LI Shu-fang; MA Jun-jie; TANG Sheng-yi; YANG Lei

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Assessment of GIS-based Land Eco-environmental Sensitivity in Baoji City

- Assessment of GIS-based Land Eco-environmental Sensitivity in Baoji City
- Bulletin of Soiland Water Conservation Vol. 28, Issue 4, Pages: 200-204(2009)
- 作者机构：
  
  1. 西北大学环境科学系,陕西,西安,710127
  2. 陕西省宝鸡市国土资源局,陕西,宝鸡,721000
  3. 陕西省兴平市环境监测站, 陕西兴平,713100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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LI Shu-fang, MA Jun-jie, TANG Sheng-yi, et al. Assessment of GIS-based Land Eco-environmental Sensitivity in Baoji City[J]. Bulletin of Soiland Water Conservation, 2009, 28(4): 200-204.
DOI：

LI Shu-fang, MA Jun-jie, TANG Sheng-yi, et al. Assessment of GIS-based Land Eco-environmental Sensitivity in Baoji City[J]. Bulletin of Soiland Water Conservation, 2009, 28(4): 200-204. DOI：

摘要

以陕西省宝鸡市为研究对象，在GIS系统支持下，运用单要素敏感性评价和综合敏感性评价两种方法，从土壤侵蚀、生境、地质灾害3个方面对宝鸡市土地生态敏感性及其空间分布进行了研究。研究结果表明，宝鸡市土地生态敏感性区域差异比较明显，轻度敏感区占市域总面积的62.1%，中度敏感区占37.0%，高度敏感区所占的比例较小，占0.9%。最后结合生态敏感性评价结果，提出了各区块的土地生态环境建设和保护对策，为宝鸡市区域土地生态环境保护提供决策依据。

Abstract

By taking Baiji City of Shaanxi Province as a research object

land sensibility and its spatial distribution are studied in views of the sensitivities to soil erosion，bio-diversity protection

and geology disaster under support of GIS technologies.Single and comprehensive element sensitivity assessment is used in the study. Results show that regional differences of land eco-environmental sensitivity in the city are comparatively obvious. The proportion of slightly sensitive area to the total area is 62.1>;the moderately sensitive area acco unt s for 37>;and highly sensitive area shares the smallest proportion

only accounting for 0. 9>.By combining with the result of ecoenvironmental sensitivity assessment

countermeasures for ecoenvironmental construction and protection of each of the areas are proposed and a basis for government making land policy is provided.

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