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世界地质 2020, 39(2) 444-451,470 DOI: 10.3969/j.issn.1004-5589.2020.02.020 ISSN: 1004-5589 CN: 22-1111/P

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遥感·土地

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	土地利用转型
	旱改水
	驱动机制
	吉林西部
	本文作者相关文章
	范语思
	李月芬
	张玉树
	王灵芝
	PubMed
	Article by Fan Y
	Article by Li Y
	Article by Zhang Y
	Article by Wang L

吉林西部县域“旱改水”时空演变特征及驱动机制分析

范语思¹, 李月芬¹, 张玉树², 王灵芝¹

1. 吉林大学地球科学学院, 长春 130061;
2. 福建省农业科学院土壤肥料研究所, 福州 350013

摘要：耕地作为保障粮食生产安全的载体，其转型已成为土地利用类型的重点研究内容。笔者借助GIS空间分析、空间自相关分析等方法探讨了1980—2015年吉林西部“旱改水”重点区域—镇赉县的时空演变特点，并对“旱改水”的驱动机制进行了探讨：①镇赉县“旱改水”重点区域为大屯镇、嘎什根乡、五棵树镇和沿江镇；其空间布局总体上呈显著的聚集状态，格局演变主要表现为：以现有集中的、连片的水田为中心，其周边破碎化、不规则化分布的旱地逐渐实现“旱改水”的转变，且水田斑块聚合程度正不断增大。②镇赉县自然条件更利于水稻的生长发育，在粮食产量与农民收入方面，水田相较旱地更具优势，能为地区的发展及国家的壮大提供基本保障。在自然、经济和社会层面相互协调、共同作用下，“旱改水”的规模不断扩大。

关键词：土地利用转型旱改水驱动机制吉林西部

Analysis on spatiotemporal evolution and its driving mechanism of conversion from dryland into paddy field at county scale in western Jilin Province

FAN Yu-si¹, LI Yue-fen¹, ZHANG Yu-shu², WANG Ling-zhi¹

1. College of Earth Sciences, Jilin University, Changchun 130061, China;
2. Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences, Fuzhou 350013, China

Abstract: As the carrier of food production security, cultivated land transformation has become the key research content of land use type. By means of GIS technology, spatial autocorrelation analysis and other methods, the authors analyze the characteristics of temporal and spatial evolution in Zhenlai County,which is a hot area of “dryland into paddy field” in western Jilin Province from 1980 to 2015, and discuss the driving mechanism of “dryland into paddy field”. Firstly, the areas of concern of “dryland into paddy field” in Zhenlai County are Datun Town, Gashigen Township, Wukeshu Town, and Yanjiang Town. The overall spatial distribution is significantly aggregated, the evolution of the pattern is mainly manifested in the following: concentrated and continuous paddy fields are used as centers, fragmented and irregularly distributed drylands around them have gradually been in the “dryland into paddy field” transformation, and the degree of patch aggregation in paddy fields is increasing. Secondly, the natural conditions of Zhenlai County are more conducive to the growth and development of paddy field. Moreover, in terms of grain yield and farmers' income, paddy fields have more advantages than drylands, which can provide basic guarantees for regional development and national growth. The coordination of the natural conditions, economy, and social levels has led to the continuous expansion of the “dryland into paddy field”.

Keywords: land use transition dryland into paddy field driving mechanism western Jilin

收稿日期 2020-01-06 修回日期 2020-03-30 网络版发布日期

DOI: 10.3969/j.issn.1004-5589.2020.02.020

基金项目:

国家自然科学基金项目（41771330，41401339）与吉林省科学技术厅科技战略与规划研究项目（20200101119FG）联合资助。

通讯作者: 王灵芝(1984-),女,讲师,主要从事土地资源优化配置研究。E-mail:wanglingz@jlu.edu.cn

作者简介:

作者Email: wanglingz@jlu.edu.cn

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