赵莉,危小建,程朋根,谢名睿,王慧敏

• 1:东华理工大学测绘工程学院
• 2:自然资源部环鄱阳湖区域矿山环境监测与治理重点实验室
• 3:仲恺农业工程学院城乡建设学院

摘要(Abstract)：

为了探究景观破碎化的驱动机制，该文运用景观格局指数、主成分分析、地理探测器和多尺度地理加权回归模型(MGWR)等方法，定量分析了大南昌都市圈景观破碎化分布特征，探究了驱动因子与景观破碎度间的空间相互作用。结果表明：研究区整体的景观破碎度在研究期内呈增加趋势，各县市和格网尺度上景观破碎度的空间分布差异较为显著；地理探测器结果显示，各因素均不同程度影响着研究区景观破碎化程度，且各驱动因素间的交互作用均有所增强；与地理加权回归模型(GWR)相比，MGWR模型的拟合效果显著提高，同时，由于空间位置的不同，影响研究区景观破碎化程度变化的主导因素也有所差异。研究结果可为区域土地利用合理规划和生态环境保护提供理论依据和决策参考。

关键词(KeyWords)： 景观破碎度;驱动因素;格网化;主成分分析;地理探测器;MGWR模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(52168010,41861052);; 广州市基础研究计划基础与应用基础研究项目(202102020338);; 东华理工大学研究生创新基金项目(DHYC-202218)

作者(Author): 赵莉,危小建,程朋根,谢名睿,王慧敏

DOI: 10.16251/j.cnki.1009-2307.2022.09.022

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