|Table of Contents|

Spatial Change Characteristics of Land Use/Cover and  Landscape Pattern in the Keriya River Basin(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年10
Page:
108-118
Research Field:
Publishing date:

Info

Title:
Spatial Change Characteristics of Land Use/Cover and  Landscape Pattern in the Keriya River Basin
Author(s):
Dilinigeer AIHEMAITI1; 2; SHI Qingdong1; 2; PENG Jiabin3
(1.College of Resources & Environmental Science,Xinjiang University,Urumqi,Xinjiang 830046；2.Key Laboratory of Oasis Ecology,Urumqi,Xinjiang 830046；3.Institute of Arid Ecological Environment,Urumqi,Xinjiang 830046)
Keywords:
Keriya River Basin; land use/cover; landscape pattern; spatial and temporal variation
PACS:
-
DOI:
10.11937/bfyy.20174690
Abstract:
This study took the inland river of Xinjiang,Keliya River Basin as the research area.Based on RS and GIS techniques,the changes of land use/cover(LUCC) in 1990,2003 and 2016 were analyzed and combining it with the landscape to analyze the spatial variation characteristics in the Keliya River Basin.The results showed that from 1990 to 2016,the spatial distribution of LUCC in the Keliya River Basin was steady.Unused land was the largest area of this study area.The area of the grassland changed greatly,showed increasing trends,and the cover area of glacier snow increased slightly.From 1990 to 2016,the patch density and the number of patches in the unused land were relatively large.From 1990 to 2016,the value of landscape fragmentation of woodland was greater than other land.The degree of fragmentation of industrial and mining land in urban and rural areas was large and tended to decrease.The degree of fragmentation of the landscape pattern of farmland was small and steady.The landscape shape of water body tended to be complicated.The perimeter-area fractal dimension of unused land was low.From 1990 to 2016,in the lower reaches of the Keliya River Basin,the degree of fragmentation was high and the landscape pattern was unstable.The landscape division index of the Keliya River Basin showed a low trend in the midstream and high trend in the upstream and downstream of the river.The perimeter-area fractal dimension of northern region of the upper Keliya River Basin was relatively high.The spatial distribution of the landscape fractal dimension changed greatly in the middle reaches of the Keliya River Basin.

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Last Update: 2018-06-01