辽宁A 县耕地质量等别分布特征研究

魏玺; WEI Xi; 蔡湘文; CAI Xiangwen; 邵亚; SHAO Ya; 陈艳芳; CHEN Yanfang

doi:10.48014/fcls.20230208001

辽宁A 县耕地质量等别分布特征研究

Research on the Distribution Characteristics of Cultivated Land Quality Grades in A County,Liaoning

中国土地科学前沿 2023年第1卷第2期页码[14-24] 下载全文[3.6MB] [HTML]

摘要

耕地质量对耕地生产能力和区域发展水平具有重要影响, 同时也直接关系到国家的粮食安全。采用面积加权法研究A县不同耕地质量等别的数量, 并利用空间自相关分析研究A县耕地质量的空间集聚特征和差异。结果表明: (1) A县耕地自然质量等别主要集中在10~12等别, 而耕地质量利用等别和经济等别以11~13等别为主, 耕地利用质量和经济质量比自然质量低, A县耕地总体质量处于中等水平。 (2) A 县耕地质量自然等别、利用等别、经济等别的Moran’s I指数大于0. 4, 在空间分布上呈现出较强的正空间自相关性; 在LISA分析中, 耕地质量自然、利用等和经济等的空间聚集特征变现为正相关的HH型和LL型以及不显著的NN型分布较为明显。 (3) 基于空间自相关结果呈现的空间格局, 提出相应措施, 为A县实施耕地精细化管理提供更多的科学参考决策和技术支持。

Abstract

Cultivated land quality has an important impact on the production capacity of cultivated land and the level of regional development, and is also directly related to national food security. The area-weighted method was used to study the quantity of different cultivated land quality classes in A county, and the spatial autocorrelation analysis was used to study the spatial agglomeration characteristics and differences of cultivated land quality in A county. The results showed that: (1) The natural quality of cultivated land in A county was mainly concentrated in 10-12 grade, while the utilization and economic grades of cultivated land quality were mainly in 11-13 grade, and the utilization and economic qualities of cultivated land were lower than the natural quality. The overall quality of cultivated land in A county was at a medium level. (2) The Moran's I index of natural, utilized and economic quality of cultivated land in A County is greater than 0. 4, showing a strong positive spatial autocorrelation in spatial distribution; In the LISA analysis, the spatial aggregation features of natural, utilized and economic quality of cultivated land turned out to be positive correlated HH type and LL type, and the insignificant NN type distribution was more obvious. (3) Based on the spatial pattern presented by the spatial autocorrelation results, corresponding measures were proposed to provide more scientific references for decision-making and technical support for the implementation of cultivated land fine management in A county.

DOI	10.48014/fcls.20230208001
文章类型	研究性论文
收稿日期	2023-02-09
接收日期	2023-06-26
出版日期	2023-09-28
关键词	耕地质量, 面积加权法:空间自相关, 辽宁A 县
Keywords	Cultivated land quality, area-weighted method, spatial autocorrelation, A county of Liaoning
作者	魏玺¹, 蔡湘文^1,*, 邵亚¹, 陈艳芳²
Author	WEI Xi¹, CAI Xiangwen^1,*, SHAO Ya¹, CHEN Yanfang²
所在单位	1. 桂林理工大学地球科学学院, 桂林 541000 2. 桂林市科学技术情报研究所, 桂林 541400
Company	1. School of Earth Science, Guilin University of Technology, Guilin 541000, China 2. Guilin Institute of Science and Technology, Guilin 541400, China
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基金项目	桂林理工大学博士科研启动基金项目；广西隐伏金属矿产勘查重点实验室资助项目。
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引用本文	魏玺, 蔡湘文, 邵亚, 等. 辽宁A 县耕地质量等别分布特征研究[J]. 中国土地科学前沿, 2023, 1(2): 14-24.
Citation	WEI Xi, CAI Xiangwen, SHAO Ya, et al. Research on the distribution characteristics of cultivated land quality grades in A County, Liaoning[J]. Frontiers of Chinese Land Sciences, 2023, 1(2): 14-24.