基于多期遥感的云阳县域森林景观破碎化演变与驱动力研究

doi:10.13466/j.cnki.lyzygl.2015.04.011

林业资源管理 ›› 2015›› Issue (4): 59-68.doi: 10.13466/j.cnki.lyzygl.2015.04.011

基于多期遥感的云阳县域森林景观破碎化演变与驱动力研究

史京京¹, 夏朝宗¹, 严恩萍², 党永峰¹

1.国家林业局调查规划设计院,北京 100714;
2.中南林业科技大学,长沙 410004

出版日期:2015-08-28 发布日期:2020-12-01
通讯作者: 夏朝宗(1975-),男,教授,主要从事森林经理、资源与环境监测研究。
作者简介:史京京(1983-),女,黑龙江人,工程师,从事森林经理、资源与环境监测研究。Email:sjjbeijing2007@sina.com
基金资助:
国防科工局课题“高分林业生态工程监测应用示范”(21-Y30B05-9001-13/15-4)

Study on the Evolution of Forest Fragmentation and Driving Forces in Yunyang County Based on Multi-date Remote Sensing

SHI Jingjing¹, XIA Chaozong¹, YAN Enping², DANG Yongfeng¹

1.Academy of Forest Inventory and Planning,State Forestry Administration,Beijing 100714,China;
2.Research Center of Forest Remote Sensing & Information Engineering,Central South University of Forestry & Technology,Changsha 410004,China

Online:2015-08-28 Published:2020-12-01

摘要/Abstract

摘要： 县域森林破碎化评价是对生态建设的重点区域和森林植被发生变化的热点区域进行判读区划和测定分析。以云阳县为例,利用2002年森林资源调查数据,结合2006,2011年两期SPOT 5影像开展判读区划,对比分析3期森林分布数据,运用ArcGis 10.0和Fragstars 4.0软件,选取合适的景观格局指数,对云阳森林景观破碎化及其驱动力进行分析。结果表明全县森林破碎化程度明显减轻,局部区域小片林及林带多,森林破碎化严重;工程造林与社会政策是驱动云阳县森林景观破碎化减轻的关键因素,其中退耕还林工程造林贡献最大;农业活动与城镇建设是制约云阳县森林景观破碎化逆转的主要因素,应进一步加强林地保护管理,减少森林流失,建设健康稳定的森林生态系统。

关键词: 多期遥感, 森林景观破碎化, 林业生态工程, 云阳县

Abstract: The evaluation of forest fragmentation is interpretation and analysis division in key forest vegetation ecological construction area and hot spots of forest vegetation change.In this paper,the forest distribution data were derived from interpreting the SPOT5 images of 2006 and 2011 based on forest inventory data in 2002 in characterize the status of forest fragmentation and its driving forces since 2002 in Yunyang country,applying the packages of Arcgis10.0 and Fragstats 4.0.Diminishing of fragmentation status at county level is significant.On the contrary,negative trend exists in partial areas due to a number of small stands and narrow gallery forest.Project afforestation and social policies are the key driving forces to accelerate forest landscape fragmentation alleviation.On the contrary,obvious deforestation and land occupation for agricultural use and urban construction are direct deterrent factors of reversed forest landscape fragmentation in the study area.It is urgent to strengthen forestry land protection and management and reduce forest loss aiming at establishment of healthy and stable forest ecosystem in Yunyang country.

Key words: multi-date remote sensing, forest fragmentation, forestry ecological programs, Yunyang County

中图分类号:

S718.5

史京京, 夏朝宗, 严恩萍, 党永峰. 基于多期遥感的云阳县域森林景观破碎化演变与驱动力研究[J]. 林业资源管理, 2015,(4): 59-68.

SHI Jingjing, XIA Chaozong, YAN Enping, DANG Yongfeng. Study on the Evolution of Forest Fragmentation and Driving Forces in Yunyang County Based on Multi-date Remote Sensing[J]. FOREST RESOURCES WANAGEMENT, 2015,(4): 59-68.

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基于多期遥感的云阳县域森林景观破碎化演变与驱动力研究

Study on the Evolution of Forest Fragmentation and Driving Forces in Yunyang County Based on Multi-date Remote Sensing

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