地理研究 ›› 2016, Vol. 35 ›› Issue (1): 195-202.doi: 10.11821/dlyj201601017
• • 上一篇
收稿日期:
2015-06-17
修回日期:
2015-10-26
出版日期:
2016-01-23
发布日期:
2016-01-23
作者简介:
作者简介:刘宇(1981- ),男,贵州六盘水人,博士,助理研究员,研究方向为景观格局与生态过程、生态遥感与生态系统评估。E-mail:
基金资助:
Received:
2015-06-17
Revised:
2015-10-26
Online:
2016-01-23
Published:
2016-01-23
摘要:
土壤侵蚀过程是广泛存在的地表物质运移、再分配过程,受景观格局的调控。关于景观格局与土壤侵蚀之间相互关系的研究众多,但耦合景观格局与土壤侵蚀过程的概念框架和有效工具比较少。景观连通度在斑块、坡面到流域等多个尺度上影响土壤侵蚀的发生和发展,是深刻影响土壤侵蚀过程的关键景观格局特征。从景观连通度的概念、分类着手,分析了景观连通度在土壤侵蚀过程中的作用,阐述了土壤侵蚀研究中定量景观连通度的方法,总结了基于土壤侵蚀过程定量景观连通度的两类主要途径:景观连通度指数方法和融合景观连通度概念的分布式土壤侵蚀模型。景观连通度概念及其定量在方法论上将景观格局与土壤侵蚀过程联系起来,是景观格局—土壤侵蚀相互作用研究的有效工具。
刘宇. 土壤侵蚀研究中的景观连通度:概念、作用及定量[J]. 地理研究, 2016, 35(1): 195-202.
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