Suitability and potential evaluation of cultivated land reserve resources development in plateau area：Taking Sangzhuzi district of Tibet as an example

doi:10.14088/j.cnki.issn0439-8114.2022.11.006

Abstract

Abstract: Taking Sangzhuzi district, an important grain production base in the Qinghai-Tibet Plateau as an example, the evaluation index system was constructed from four aspects of terrain, soil, land type and location by using GIS, AHP-entropy weight method and fuzzy comprehensive evaluation method. According to the principle of maximum membership degree, the suitability of cultivated land reserve resource development was evaluated. The research showed that the suitability of cultivated land reserve resource development potential in Sangzhuzi district could be divided into five grades suitability, relative suitability, general suitability, relative unsuitability and unsuitability. Among them, the area of cultivated land reserve resource development potential was 22 588.20 hm², accounting for 6.18% of the total area, which was mainly distributed along the river in Dongga township and Jiangdang township. The results can provide a basis for the development of cultivated land reserve resources in the plateau area.

Key words: cultivated land reserve resources, development potential, AHP-entropy method, fuzzy comprehensive evaluation, Sangzhuzi district

CLC Number:

X825

HUAN Ji-lin, WANG Tie-lin, WU Bo-qing. Suitability and potential evaluation of cultivated land reserve resources development in plateau area：Taking Sangzhuzi district of Tibet as an example[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(11): 32-38.

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