文献类型：期刊文献

英文题名：ANALYSIS OF CHANGES IN SHELTERBELT LANDSCAPE IN NORTHEAST CHINA

作者：Deng, R. X.[1];Wang, W. J.[2];Li, Y.[3];Shi, X. L.[4];Wei, Y. C.[1];Hao, L. J.[1];Li, C. J.[1];Liu, W. Y.[1]

第一作者：Deng, R. X.

通讯作者：Wang, WJ[1]

机构：[1]North China Univ Water Resources & Elect Power, Coll Surveying & Geoinformat, Zhengzhou 450046, Henan, Peoples R China;[2]Henan Univ Econ & Law, Coll Resources & Environm, Zhengzhou 450002, Henan, Peoples R China;[3]Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Jilin, Peoples R China;[4]Xian Univ Sci & Technol, Coll Geomat, Xian 710054, Shaanxi, Peoples R China

第一机构：North China Univ Water Resources & Elect Power, Coll Surveying & Geoinformat, Zhengzhou 450046, Henan, Peoples R China

通讯机构：[1]corresponding author), Henan Univ Econ & Law, Coll Resources & Environm, Zhengzhou 450002, Henan, Peoples R China.|[104848]河南财经政法大学资源与环境学院;[10484]河南财经政法大学;

年份：2019

卷号：17

期号：5

起止页码：11655-11668

外文期刊名：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH

收录：;Scopus(收录号：2-s2.0-85073721467);WOS:【SCI-EXPANDED(收录号:WOS:000490563900093)】；

基金：This work was supported by the National Natural Science Foundation of China under Grant number 31971723; the Key Technologies Research and Development Program of Henan Province under Grant number 192102110122.

语种：英文

外文关键词：shelterbelt structure; landscape index; geographic information system; remote sensing

摘要：Understanding the shelterbelt development in northeast China over the past 30 years will provide a scientific decision support for its management in future. In this paper, Landsat images were selected to extract shelterbelt information covering three points in time (1990, 2000 and 2010). Shelterbelt density and landscape indexes (ratio of belt to patch, connectivity, and dominance) were introduced to analyze changes in landscape. Farmland landscape indexes (ratio of farmland to zone and fragmentation) were used to analyze the effect of farmland on shelterbelt distribution and change. The result showed that: (1) shelterbelt density had considerable spatial variation. These changes were strong correlated with land -use type. Farmland fragmentation was a main index which significantly affected the connectivity and evenness of shelterbelt, especially on connectivity; (2) shelterbelt density increased about 10% over the 30 years. This modest increase included two contrasting trends, an increase by 13.2% from 1990 to 2000 followed by a 2.8% reduction by 2010. Even the quantity reduced over 2000-2010, the qualities including connectivity and evenness were getting better overall. The temporal changes of shelterbelt density had little relationship with farmland changes. This research can provide valuable information for decision makers to guide and develop future policies.