[1]GAO Hong-juan,HAN Hui-qing,ZHANG Chao-qiong.Analysis of Spatiotemporal Variation of Agro-ecosystem Energy in Guizhou Province[J].Research of Soil and Water Conservation,2013,20(05):266-270,277.
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Analysis of Spatiotemporal Variation of Agro-ecosystem Energy in Guizhou Province
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 05
Page number:
266-270,277
Column:
Public date:
2013-10-28
- Title:
- Analysis of Spatiotemporal Variation of Agro-ecosystem Energy in Guizhou Province
- CLC:
- F301.24
- DOI:
- -
- Abstract:
- Based on theory and analysis methods of energy, through some indicators of energy, such as energy investment ratio, energy yield ratio, environmental loading ratio, index of sustainable development, this paper analyzed spatiotemporal pattern of energy in Guizhou Province between 1990 and 2010.The results show that the input-output values of agro-ecosystem energy shows an increasing trend, the input value mainly is renewable resources and updatable organic energy. Industrial auxiliary energy significantly increases, the structure of energy output mainly is farming, and it is declining, the energy investment ratio and energy yield ratio of high value area is mainly distributed in the central and western regions of Guizhou, the low value distributes in southeast and southwest region of Guizhou; the high and low values of environmental loading ratio are mainly distributed in northeast and Southwest regions of Guizhou; sustainable development index of higher value is distributed in Zunyi, southeast and southwest of Guizhou, low-value is distributed in the midwest, the differences of spatial pattern of distribution of value is mainly affected by the level of economic development, the industrial value volume, population, and the agricultural infrastructure.
- References:
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