[1]YAN Chao,ZHANG Anming,SHI Renrong,et al.Land Utilization Structure Optimization in Qianjiang District Based on Land Ecological Security[J].Research of Soil and Water Conservation,2017,24(03):270-276.
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Land Utilization Structure Optimization in Qianjiang District Based on Land Ecological Security
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
24
Number of periods:
2017 03
Page number:
270-276
Column:
Public date:
2017-06-28
- Title:
- Land Utilization Structure Optimization in Qianjiang District Based on Land Ecological Security
- CLC:
- F301;X826
- DOI:
- -
- Abstract:
- By constructing the Qianjiang District land ecological security evaluation index system, the analysis of the land ecological security of the city from 2005 to 2012 was made according to the evaluation standards. Based on this, using the grey multi-objective programming model, with comprehensive benefit maximization as the goal, the land use structure of Qianjiang District was optimized. The results showed that: (1) Qianjiang District land ecological security level was on the rise, land ecological security composite index increased form 0.426 9 in 2005 to 0.586 2 in 2012, the security level rose from level ‘relative unsafety’ to ‘critical safety’, indicating that land ecological security level remains to be improved, and it is necessary to optimize the land use structure; (2) after optimizing land use structure, the land ecological security composite index reached up to 0.748 9, land ecological security level changed from ‘critical security’ up to ‘safer’ class; (3) from the optimization results, arable land in farmland will decrease, and area increase will also occur on woodland and garden, in construction land, land for transportation and water-control structures and other construction land will increase, in other land, the natural reservation area will decrease. The results of the study has important practical significance to improve comprehensive benefit of land use, maintain the balance of the ecosystem and sustainable utilization of land and the economic and social sustainable development.
- References:
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