[1]沈文娟,徐 婷,李明诗*.中国三大林区森林破碎化及干扰模式变动分析[J].南京林业大学学报(自然科学版),2013,37(04):075-79.[doi:10.3969/j.issn.1000-2006.2013.04.014]
 SHEN Wenjuan,XU Ting,LI Mingshi*.Spatio-temporal changes in forest fragmentation, disturbance patterns over the three giant forested regions of China[J].Journal of Nanjing Forestry University(Natural Science Edition),2013,37(04):075-79.[doi:10.3969/j.issn.1000-2006.2013.04.014]
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中国三大林区森林破碎化及干扰模式变动分析
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
37
期数:
2013年04期
页码:
075-79
栏目:
研究论文
出版日期:
2013-07-15

文章信息/Info

Title:
Spatio-temporal changes in forest fragmentation, disturbance patterns over the three giant forested regions of China
文章编号:
1000-2006(2013)04-0075-05
作者:
沈文娟徐 婷李明诗*
南京林业大学森林资源与环境学院,江苏 南京 210037
Author(s):
SHEN Wenjuan XU TingLI Mingshi*
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
三大林区 森林破碎化 破碎化模型 人为干扰 自然干扰
Keywords:
three giant forested regions forest fragmentation fragmentation model anthropogenic disturbance natural disturbance
分类号:
S715
DOI:
10.3969/j.issn.1000-2006.2013.04.014
文献标志码:
A
摘要:
为了评价现存的森林经营方法及国家执行的多个林业生态工程的有效性,利用两期直接可比的全球土地覆盖数据(Globcover 2005和2009), 采用破碎化分析模型与景观指数相结合的方法,分析了中国三大林区的森林破碎化、干扰模式及森林与其他土地利用类型空间交互特征的变化。结果表明:东北林区破碎化程度明显降低,而南方和西南林区森林破碎化加剧。 三大林区的人为干扰程度下降,南方和西南林区的自然干扰明显增强。南方和西南林区森林与农业土地利用具备较高的空间关联度,但与城市类型关联不大。这些可观察到的森林破碎化及干扰模式变化紧密依赖于我国的林地所有权、地形差异、经济发展水平及人口转移方向。
Abstract:
The increasingly aggravated forest fragmentation around the globe, particularly, in the developing nations has hindered the pathway to sustainable forest management, which poses a serious threat to the effective conservation of the organisms that are closely forest-dependent. Using the directly comparable Globcover datasets(2005 and 2009), a fragmentation model coupled with geospatial metrics was applied to characterize changes in forest fragmentation, disturbance and spatial interplays patterns over the three giant forest regions of China. The outcomes of the work were designed to evaluate the effectiveness of current forest management approaches as well as several forest ecological projects implemented and invested by the central government. Results suggested that an accelerated fragmentation in southern and southwestern China and a decelerated fragmentation in northeastern China were observed in the current work. Also, there was a descending anthropogenic disturbance in the three giant forested regions. National disturbances have been intensified in southern and southwestern China while almost remained stable in northeastern China. Agricultural land uses in southern and southwestern China were identified as the major contributor catalyzing the fragmentation, while urban land uses had little contribution to forest fragmentation in China. Actually, the observed fragmentation and disturbance patterns are closely related to Chinese land tenure, topography, economic development stages and demographic transition trends. These findings were benefit for developing the strategies of biodiversity conservation and sustainable forest management, and assessing the effectiveness of the existing forestry ecological projects.

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备注/Memo

备注/Memo:
收稿日期:2012-08-28 修回日期:2013-01-24
基金项目:国家自然科学基金项目(30972297); 教育部留学回国人员第40批科研启动基金项目; 江苏省普通高校研究生科研创新计划(CXLX12_0546)
第一作者:沈文娟,硕士生。*通信作者:李明诗,副教授,博士。E-mail: nfulms@yahoo.com.cn。
引文格式:沈文娟,徐婷,李明诗. 中国三大林区森林破碎化及干扰模式变动分析[J]. 南京林业大学学报:自然科学版,2013,37(4):75-79.
更新日期/Last Update: 2013-07-30