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[1]XIONG Xiangxiang,YANG Chaoxian,XIN Guixin,et al.Evaluation and Protection Zoning of Cultivated Land Quality on Village Scale in Mountainous Hilly Region[J].Research of Soil and Water Conservation,2019,26(01):308-315.

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Evaluation and Protection Zoning of Cultivated Land Quality on Village Scale in Mountainous Hilly Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 26 Number of periods: 2019 01 Page number: 308-315 Column: Public date: 2019-02-28

Title:: Evaluation and Protection Zoning of Cultivated Land Quality on Village Scale in Mountainous Hilly Region

Author(s):: XIONG Xiangxiang¹, YANG Chaoxian¹, XIN Guixin², WEI Chaofu¹; 1. School of Resources and Environment, Southwest University, Chongqing 400715, China;
2. Research Center for Development and Utility of Unique Resources in the Wulingshan Region, Yangtze Normal University, Chongqing 408100, China

Keywords:: cultivated land quality index; village scale; spatial autocorrelation; protection zoning of cultivated land; Rongchang District

CLC:: F301.21

DOI:: -

Abstract:: The quality evaluation and protection zoning of cultivated land are effective ways to promote the differential protection and management. Taking Rongchang District of Chongqing as example, we studied the spatial autocorrelation and agglomerate characteristics of cultivated land on village scale. Cultivated land quality index was used as the spatial variable, the method of spatial autocorrelation was employed, and the protection partition scheme was put forward based on the analysis results. Firstly, the overall spatial distribution of cultivated land in Rongchang District was relatively weak and positive correlation; for the Moran’s I value, spatial correlation of the grade index was strongest, followed by the use index and the natural index; the variation characteristics were obvious in local space, over 70 percent of spatial types presented the pattern of random distribution. The positive correlation types (HH and LL types) existed in the form of ‘group’, and the negative correlation type (LH type) existed in the ‘point’ form. Secondly, according to characteristics and sequential combination of local spatial autocorrelation type, the protection zone of cultivated land was divided into four sub-regions including the major reserve region, the major improved region, and the moderate improved region and the moderate adjustment region. The protection measures were put forward correspondingly, which guides different village-level units to protect and improve farmlands. Therefore, in hilly area with poor geographical conditions, such as Rongchang District, the study results could provide references to implement the comprehensive protection and quality construction of cultivated land accurately and effectively.

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