Spatial Differentiation and Evaluation of Intensive Use of Cultivated Land in Western Economic Uprising Belt in Shandong Province
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    Abstract:

    [Objective] We take counties(city, area) of the western economic uprising belt in Shandong Province as evaluation units to study the intensity of cultivated land use and to analyze its spatial distribution in order to provide support for the cultivated land resources planning and the improvement of the intensity of cultivated land use to increase the output and the overall planning of regional agriculture development.[Methods] The intensity of cultivated land use and the spatial distribution of the western economic uprising belt in Shandong Province was analyzed with the entropy weight TOPSIS method and GIS spatial analysis.[Results] Taking Dongping County as a boundary, the intensity of cultivated land use is low in the south, and high in the north. With the north area, the intensity of cultivated land use is higher in northeast part, and lower in the southwest part. The middle area is in the average situation. There is a pattern of "club convergence" in the intensity of cultivated land use in counties(city, area), that is to say that cultivated land with the same land use intensity are usually distributed together. The number of counties(city, area) with different intensities of cultivated land use showed a "Pyramid" trend, namely, fewer counties are with highest intensity and the more counties with lower intensity; In the index layer, the primary indicators of the intensity of cultivated land use are fertilizer input, mechanical input, multiple cropping index, the rate of mechanization, food security, index of cultivated land security, grain yield per unit area and per capita grain production.[Conclusion] The intensity of cultivated land use of the western economic uprising belt in Shandong Province showed an obvious spatial differentiation trend.

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荆延德,张全景,吕晓,林雪原,巩晨.山东省西部经济隆起带耕地集约利用评价与空间分异研究[J].水土保持通报英文版,2015,35(6):260-266

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History
  • Received:November 11,2014
  • Revised:November 22,2014
  • Adopted:
  • Online: April 05,2016
  • Published: