[1]杨媛媛,姚 尧,郝 帅.基于GWR模型的贵州省耕地集约利用水平时空变化特征及影响因素分析[J].水土保持研究,2022,29(01):326-323+338.
　YANG Yuanyuan,YAO Yao,HAO Shuai.Spatial-Temporal Variations and Influencing Factors of Intensified Cultivated Land Use Level in Guizhou Province Based on GWR Model[J].Research of Soil and Water Conservation,2022,29(01):326-323+338.
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基于GWR模型的贵州省耕地集约利用水平时空变化特征及影响因素分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 29 期数: 2022年01期 页码: 326-323+338 栏目: 出版日期: 2022-02-20
Title:
Spatial-Temporal Variations and Influencing Factors of Intensified Cultivated Land Use Level in Guizhou Province Based on GWR Model
文章编号:
1005-3409(2022)01-0326-07
作者:
杨媛媛1, 姚 尧2, 郝 帅2
(1.中国地质大学(武汉)公共管理学院, 武汉 430074; 2.贵州财经大学 公共管理学院, 贵阳 550025)
Author(s):
YANG Yuanyuan1, YAO Yao2, HAO Shuai2
(1.School of Public Administration, China University of Geosciences, Wuhan 430074, China; 2.School of Public Management, Guizhou University of Finance and Economics, Guiyang 500025, China)
关键词:
耕地集约利用;  GWR;  变化特征;  贵州省
Keywords:
intensive use of arable land;  GWR;  change characteristics;  Guizhou Province
分类号:
F301.24
文献标志码:
A
摘要:
为贯彻落实我国粮食安全战略,缓解贵州省人地矛盾,参考大量相关文献,结合贵州省实的际情况,从投入强度、利用程度、产出效益和持续状况4个方面,构建了具有14个二级指标的耕地集约水平评价模型,运用较为客观的均方差法对各指标赋予权重,分析了贵州省近16年来耕地集约度时空演变与空间分异特征,并运用GWR模型探寻其影响因子。结果表明:(1)贵州省2003—2018年耕地集约利用水平总体呈现上升趋势。(2)贵州省各市(州)耕地集约利用水平中,仅贵阳市的耕地集约水平逐渐下降,安顺市、六盘水市、黔东南州、遵义市4个地区稳步发展,其余地区略有波动。(3)通过GWR模型的分析发现,投入强度和持续状况是影响区内耕地集约利用水平的主要因素,利用程度地区分异较小,产出效益地区分异则较大。研究结果可为贵州省提升耕地集约利用水平提供科学参考。
Abstract:
For the implementation of the strategy of our country food security, easing the contradiction between human and land in Guizhou referring to a large number of relevant literature, combining with the Guizhou Province of the international situation, from the input intensity, utilization degree, production efficiency and the continuous condition of four aspects, with 14 indicators to jointly build the cultivated land intensive level evaluation system of Guizhou Province, using objective weights for each indicator given mean square error method, the spatial and temporal variations of cultivated land intensive level in Guizhou were analyzed, and the GWR model was used to analyze the factors affecting the level of intensive cultivated land of Guizhou Province. The results show that:(1)the intensive utilization of cultivated land in Guizhou Province from 2003 to 2018 showed the overall upward trend;(2)at the intensive utilization level of cultivated land in all cities(states)of Guizhou Province, the intensive utilization level of cultivated land in Guiyang City was the only one to decline gradually, while that of Anshun City, Liupanshui City, Qiandongnan Prefecture and Zunyi City was developing steadily, and that the rest of the areas had some fluctuations;(3)through the analysis of GWR model, it was found that the most important factors affecting the intensive utilization level of cultivated land in various cities(states)of Guizhou Province were the input intensity and sustainable status; the difference in utilization degree was small in regions, while the difference in output efficiency was large in regions. The results of this study can provide scientific reference for enhancing the intensive cultivated land use level in Guizhou Province.

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备注/Memo

收稿日期:2021-01-18 修回日期:2021-02-08
资助项目:贵州省哲学社会科学规划课题项目(19GZQN11); 2018年度贵州财经大学引进人才科研启动项目(2018YJ25)
第一作者:杨媛媛(1992—),女,贵州榕江人,在读博士研究生,主要从事土地利用与自然保护地建设的研究。E-mail:739271126@qq.com
通信作者:姚尧(1988—),男,贵州榕江人,博士,副教授,主要从事城乡土地利用转型与环境经济的研究。E-mail:yyy@cug.edu.cn

更新日期/Last Update: 2022-02-20