自然资源学报 ›› 2018, Vol. 33 ›› Issue (8): 1363-1375.doi: 10.31497/zrzyxb.20170730
曹飞1, 邵景安1,2,*, 马雪莹1, 李春梅1, 杜建平1, 蒋佳佳1, 强丹阳1
收稿日期:
2017-07-21
修回日期:
2017-09-29
出版日期:
2018-08-20
发布日期:
2018-08-20
通讯作者:
邵景安(1976- ),男,汉族,安徽亳州人,博士,研究员,主要从事土地利用与生态过程研究。E-mail: 作者简介:
曹飞(1992- ),男,甘肃庆阳人,硕士研究生,主要从事资源环境与城乡规划研究。E-mail: 446177581@qq.com
基金资助:
CAO Fei1, SHAO Jing-an1,2, MA Xue-ying1, LI Chun-mei1, DU Jian-ping1, JIANG Jia-jia1, QIANG Dan-yang1
Received:
2017-07-21
Revised:
2017-09-29
Online:
2018-08-20
Published:
2018-08-20
Supported by:
摘要: 人为扰动是短时空尺度内森林景观变化或用途转换的主要动力,而乡村路网则成为人为扰动拓展的主要通道。基于1992、2002、2014年三峡库区重庆市石柱县西沱镇3期遥感影像和实地调研数据,在ArcGIS平台支持下,研究社区水平乡村路网对森林景观变化的影响。结果表明:1)1992—2014年研究区乡村路网影响域内次生林、退化林地和耕地的动态变化较显著,集中分布在中西部平坦区。1992—2002年乡村路网缓冲区内森林景观整体呈退化趋势,退化类型以次生林→退化林地、次生林→耕地、退化林地→耕地为主,演化量达1 705.91 hm2;2002—2014年乡村路网缓冲区内森林景观主要呈恢复趋势,恢复类型以耕地→退化林地、耕地→次生林、退化林地→次生林和原始林→退化原始林为主,演化量达1 674.52 hm2。2)相比发现,前一时期研究区乡村路网长度的增加和路网材质的提升很大程度上驱动森林景观的退化,而后一时期低等级路段的消失、废弃或利用率的降低则有助于森林景观的恢复,消失路段恢复率近100%。3)研究有助于丰富人们对社区水平乡村路网影响森林景观变化的理解与认识,为生态文明建设中合理规划乡村路网提供科学依据。
中图分类号:
曹飞, 邵景安, 马雪莹, 李春梅, 杜建平, 蒋佳佳, 强丹阳. 三峡库区社区水平乡村路网对森林景观变化的影响[J]. 自然资源学报, 2018, 33(8): 1363-1375.
CAO Fei, SHAO Jing-an, MA Xue-ying, LI Chun-mei, DU Jian-ping, JIANG Jia-jia, QIANG Dan-yang. The Effects of Rural Road Network on Forest Landscape Change at Community Level in the Three Gorges Reservoir Area[J]. JOURNAL OF NATURAL RESOURCES, 2018, 33(8): 1363-1375.
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