Quantitative Analysis of Landuse Change in Suburban Countryside in the Loess Hilly-Gully Region of Northern Shaanxi Province
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Quantitative Analysis of Landuse Change in Suburban Countryside in the Loess Hilly-Gully Region of Northern Shaanxi Province
Bulletin of Soiland Water ConservationVol. 27, Issue 3, Pages: 162-166(2008)
作者机构:
1. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
2. 中国科学院研究生院,北京,100049
3. 西北农林科技大学水土保持研究所, 陕西杨凌,712100
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Published:2008
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XU Zhong-chun, XIE Yong-sheng, WANG Heng-jun. Quantitative Analysis of Landuse Change in Suburban Countryside in the Loess Hilly-Gully Region of Northern Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2008, 27(3): 162-166.
DOI:
XU Zhong-chun, XIE Yong-sheng, WANG Heng-jun. Quantitative Analysis of Landuse Change in Suburban Countryside in the Loess Hilly-Gully Region of Northern Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2008, 27(3): 162-166.DOI:
Quantitative Analysis of Landuse Change in Suburban Countryside in the Loess Hilly-Gully Region of Northern Shaanxi Province
By taking a typical loess hilly-gully area—Zhaozhuang village in Yan'an City as a study area and selecting indexes such as dynamic degree of landuse
trend-state index of landuse
and landscape index of landuse
dynamic changes of landuse were analyzed quantitatively on village scale.Results showed that landuse in the study area changed to some extent during the past 6 years
which was characterized mainly by decreased farmland and increased unused land.Unused land
resident-construction land
forest land
and shrubby and grass land increased in varying degrees and their dynamic degrees were 43.92%
15.35%
0.33%
and 0.17%
respectively.Farmland
orchard
and water area decreased in different degrees and their dynamic degrees were 7.45%
3.79%
and 0.20%
respectively.The trends of farmland
orchard
and water area dropped
while the trends of unused land
resident-construction land
forest land
and shrubby grassland raised
which scales were increscent.Patch number and patch density increased.The dominance index and deviation index decreased while the indexes of diversity
evenness and fragmentation increased to some extent.
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Related Institution
College of Geographical Sciences, Shanxi Normal University
Jiangxi Academy of Water Science and Engineering
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