湖南省农业水土资源时空分异与匹配格局研究

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中图分类号：F323.2 文献标志码：A

Spatiotemporal heterogeneity and matching patterns of agricultural water-land resources in Hunan

ZHOU Ao， YANG Huijun

（School of Geographic Sciences，Hunan Normal University，Changsha 41Oo81，China）

Abstract：The spatial distribution pattern and matching of regional water-land resources significantly impact agricultural production. Since Hunan is a major grain-producing province in China， its spatiotemporal heterogeneity and matching patterns of agricultural water-land resources warrant in-depth investigation.This study calculated Hunan’s agricultural water-land matching coeficient since 2O0l using a combined Gini coefficient and water-land resources index method，further analyzing spatiotemporal heterogeneityand matching patternevolution.Key findings indicate：（1）Throughout the studyperiod，agricultural wateravailability remained stable with progressively optimizedresource coordination and narrowing regional disparities. （2）Temporaly，the matching pattern exhibited a“deterioration folowed by gradual recovery” trajectory，while spatially shifting from“east-superior/west-inferior with north-south equivalence” to“overall equilibrium with persistent western deficiency". Region -specific recommendations are proposed covering water infrastructure development， technological upgrades， ecological remediation，and water pricing mechanisms.

Key words：agriculture；water-land resources； Gini coefficient；matching coefficient； spatiotemporalheterogeneity

水土资源既是生态经济系统中基础性、战略性和敏感性因素[1]，也是人类生产生活的核心资源和社会经济发展的保障条件。（剩余8823字）