Rocky Desertification Landscape Pattern on Spatio-Temporal Evolution of Land Use the Response
详细信息
- 责任者：Wang Yuanyuan (Institute of South China Karst ; Guizhou Normal University ; Guiyang 550001 ; China) ; Zhou Zhongfa
- 刊名：Journal of Mountain Research
- 出版年：2013
- 卷期：31(3)
- 页码：p.307-313
- 图表：2 illus., 6 tables, 12 refs.
- issnNo：ISSN1008-2786
- isbnNo：CN51-1516/P
摘要
Land use is the most direct manifestation of human activities.There is a close relationship between the karst rocky desertification evolution and land use change.The control of rocky desertification is in human intervention accelerate recovery of vulnerable Karst ecosystem.The research was studied by 3S technology and spatial pattern analysis technology means combining,on the comprehensive control of rocky desertification in Ziyun County Shuitang small watershed land use and karst rocky desertification landscape pattern evolution was discussed.The results show that:(1) During the period of 2004—2010 Shuitang small watershed land use types to forest and grassland change more,the other kind of fewer changes,the forest land area increased by 10%,grassland area increased by 5%;(2) During the period of 2004—2010 Shuitang small watershed in rocky desertification,the main types of moderate rocky desertification to mild Rocky Desertification Area 5%,slight rocky desertification to potential rocky desertification area 10%;(3) During the period of 2004—2010 reservoir watershed land use and landscape pattern of rocky desertification.Diversity index all raised by 0.3 and 0.12,fragmentation index all decreased by 0.138 and 0.16,the dominance index all decreased by 0.181 and 0.126 respectively,evenness index all raised by 0.092 and 0.209,fractal dimension index all raised by 0.02 and 0.18 respectively.Research shows that use such land use and rocky desertification transfer matrix with landscape pattern analysis of a combination of methods,for the evaluation the control of rocky desertification effectiveness to provide reference significance.
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