Land use and land cover change along the topographic gradients and stream corridors in the LRGR
Li Zhenghai; Song Guobao; Gao Jixi; Bao Yajing; Peng Hua; Wang Haimei; Jiang Yun; Lu Haiyan
2006-11-01
发表期刊CHINESE SCIENCE BULLETIN
ISSN1001-6538
卷号51期号:Suppl. S页码:108-118
摘要With the Longitudinal Range-Gorge Region (LRGR) in the southwestern China as the object, this research studied how land use pattern varies with the complex topographic features. Based on the 1:50000 digital elevation model (DEM) data and the remote sensing images in 1980, 2001, and by using GIS map algebra method, we investigated the relationship between landform (e.g. elevation and stream networks) and land use, especially the correlation of human activities with the spatial arrangement of the stream networks. This paper reveals that land use and land cover changes in valleys with rich water source at lower elevations are characterized by distinct successional gradients from the river to the upland, which was possibly due to the distance and the availability of water resource. And by dividing the region into four vertical zones according to their elevations, we found that the land use and human activities in each zone were significantly different. Finally, it is indicated that the jamming effects of human activities in the LRGR were spatially heterogeneous and thus led to the barrier effect of stream corridors.
关键词Land Use Barrier Effect Elevation River System The Lrgr
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/14287
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Dalian Natl Univ, Coll Life Sci, Dalian 116600, Peoples R China
2.Inner Mongolia Univ, Coll Life Sci, Hohhot 010021, Peoples R China
3.Chinese Res Inst Environm Sci, Innovat Base Reg Ecol, Beijing 100012, Peoples R China
4.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
5.Inner Mongolia Meteorol Observ, Hohhot 010051, Peoples R China
6.Shenyang Agr Univ, Dept Agr, Shenyang 110161, Peoples R China
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Li Zhenghai,Song Guobao,Gao Jixi,et al. Land use and land cover change along the topographic gradients and stream corridors in the LRGR[J]. CHINESE SCIENCE BULLETIN,2006,51(Suppl. S):108-118.
APA Li Zhenghai.,Song Guobao.,Gao Jixi.,Bao Yajing.,Peng Hua.,...&Lu Haiyan.(2006).Land use and land cover change along the topographic gradients and stream corridors in the LRGR.CHINESE SCIENCE BULLETIN,51(Suppl. S),108-118.
MLA Li Zhenghai,et al."Land use and land cover change along the topographic gradients and stream corridors in the LRGR".CHINESE SCIENCE BULLETIN 51.Suppl. S(2006):108-118.
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