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[1]GAO Hong-juan,Cai Guang-peng,LUO Xu-qiang,et al.Study on Warning of Farmland Ecological Security in Guizhou from 2000 to 2010 Based on the Energy Analysis[J].Research of Soil and Water Conservation,2013,20(06):307-310.

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Study on Warning of Farmland Ecological Security in Guizhou from 2000 to 2010 Based on the Energy Analysis

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 06 Page number: 307-310 Column: Public date: 2013-12-28

Title:: Study on Warning of Farmland Ecological Security in Guizhou from 2000 to 2010 Based on the Energy Analysis

Author(s):: GAO Hong-juan¹, Cai Guang-peng², LUO Xu-qiang¹, HAN Hui-qing¹; 1. College of Geography and Tourism, Guizhou Normal College, Guiyang 550018, China;
2. College of Geography and Environmental Sciences, Guizhou Normal University, Guiyang 550001, China

Keywords:: ecological security; early warning; energy analysis; Guizhou Province

CLC:: F323.211

DOI:: -

Abstract:: Land ecological security is an important part of the study of the ecological safety issues. It has become the leading issue of the sustainable use of land resources. The security of farmland ecology was analyzed on the basis of analyzing the energy value of the input-output by using the method of energy analysis. The results show that: (1) farmland ecological security situation gradually deteriorated during the study period in Guizhou Province, farmland ecological security situation was in light warning condition in 2000, in moderate warning condition in 2010, which showed that the ecological and environmental problems of farmland became more prominent in Guizhou Province; (2) the degrees of space were obvious differences, showing that the east was lower than west in terms of the spatial pattern, which was related to difference between the east and west in the natural conditions and usage of fertilizer and pesticide.

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