[1]WANG Xue,YANG Qing-yuan,HE Chun-yan,et al.Land Ecological Security Evaluation of Ecological Conservation Developmental Areas Based on P-S-R Model—A Case Study of Fengdu County, Chongqing[J].Research of Soil and Water Conservation,2014,21(03):169-175.
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Land Ecological Security Evaluation of Ecological Conservation Developmental Areas Based on P-S-R Model—A Case Study of Fengdu County, Chongqing
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
21
Number of periods:
2014 03
Page number:
169-175
Column:
Public date:
2014-06-28
- Title:
- Land Ecological Security Evaluation of Ecological Conservation Developmental Areas Based on P-S-R Model—A Case Study of Fengdu County, Chongqing
- Keywords:
- land ecological security; P-S-R model; ecological conservation developmental areas; Fengdu County
- CLC:
- F301.24
- DOI:
- -
- Abstract:
- According to the ecological condition and the characteristics of land resources in ecological conservation developmental areas, a comprehensive evaluation index system of land ecological security was built based on the PSR (pressure-state-response) model, and entropy weight method and comprehensive index method were employed to determine each index weight and evaluate the land ecological security condition of Fengdu County in Chongqing from 2006 to 2011. The results can be shown in the following aspects: (1) land ecological security of Fengdu County in 2006 was at sensitive level, comprehensive index of which was 29.72, while it was at critical level in 2011, comprehensive index of which rose to 31.65; (2) as time went by, the state of land ecological security had changed for the better benefiting from governance of ecosystem problems by national and local governments and effects on ecological environment construction; (3) because the rapid development of economy brought enormous environmental pressure, Fengdu County’s ecological conservation ability was not synchronized with the level of economic and social development during the period of 2006—2011.
- References:
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1900-01-01