Semi-natural areas of Tarim Basin in northwest China: Linkage to desertification
文献类型:期刊论文
作者 | Liu, Fang3; Zhang, Hongqi3; Qin, Yuanwei2; Dong, Jinwei2; Xu, Erqi3; Yang, Yang1; Zhang, Geli2; Xiao, Xiangming2 |
刊名 | SCIENCE OF THE TOTAL ENVIRONMENT |
出版日期 | 2016-12-15 |
卷号 | 573页码:178-188 |
ISSN号 | 0048-9697 |
关键词 | Semi-natural lands Desertification Sustainable development Arid region Tarim Basin |
DOI | 10.1016/j.scitotenv2016.07.180 |
通讯作者 | Zhang, Hongqi(zhanghq@igsnrr.ac.cn) |
英文摘要 | Semi-natural lands are not intensively managed lands, which have ecological significance in protecting artificial oasis and preventing desertification in arid regions. The significant shrinkage and degradation of semi-natural lands in the land-use intensification process have caused severe desertification. However, there is a knowledge gap regarding the spatio-temporal pattern and detailed classification of semi-natural lands and its quantitative relationship with desertification. Taking the Tarim Basin as an example, we proposed a comprehensive classification system to identify semi-natural lands for 1990, 2000, and 2010, respectively, using multi-source datasets at large scales. Spatio-temporal changes of semi-natural lands were then characterized by map comparisons at decade intervals. Finally, statistical relationships between semi-natural lands and desertification were explored based on 241 watersheds. The area of semi-natural lands in Tarim Basin was 10.77 x 10(4) km(2) in 2010, and desert-vegetation type, native-oasis type, artificial-oasis type, saline type and wetland type accounted for 59.59%, 14.65%, 11.25%, 9.63% and 4.88% of the total area, respectively. A rapid loss of semi-natural lands (9769.05 km(2)) was demonstrated from 1990 to 2010. In the fragile watersheds, the semi-natural lands were mainly converted to desert; while in the watersheds with advanced oasis agriculture, artificial-oasis type reclaimed to arable land was the major change. The occurrence of desertification was closely related to the type, area proportion and combination patterns of semi-natural lands. Desertification was prone to occur in regions abundant in desert-vegetation type and saline type, while less serious desertification was observed in regions with high proportion of artificial-oasis type and wetland type. Policy intervention and reasonable water resource allocation were encouraged to prevent the substantial loss of semi-natural lands, especially for the water-limiting watersheds and periods. (C) 2016 Elsevier B.V. All rights reserved. |
WOS关键词 | ECOLOGICAL WATER CONVEYANCE ; DESERT-OASIS ECOTONE ; POPULUS-EUPHRATICA FOREST ; LAND-COVER CHANGE ; NDVI TIME-SERIES ; CLIMATE-CHANGE ; RIPARIAN VEGETATION ; SPATIAL-PATTERN ; NORTHERN CHINA ; LOWER REACHES |
资助项目 | National Natural Science Foundation of China[41671097] ; National Basic Research Program of China[2014BAC15B02] |
WOS研究方向 | Environmental Sciences & Ecology |
语种 | 英语 |
出版者 | ELSEVIER SCIENCE BV |
WOS记录号 | WOS:000390071000017 |
资助机构 | National Natural Science Foundation of China ; National Basic Research Program of China |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/65244] |
专题 | 中国科学院地理科学与资源研究所 |
通讯作者 | Zhang, Hongqi |
作者单位 | 1.USDA ARS, Hydrol & Remote Sensing Lab, Beltsville, MD 20705 USA 2.Univ Oklahoma, Ctr Spatial Anal, Dept Microbiol & Plant Biol, Norman, OK 73019 USA 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Fang,Zhang, Hongqi,Qin, Yuanwei,et al. Semi-natural areas of Tarim Basin in northwest China: Linkage to desertification[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,573:178-188. |
APA | Liu, Fang.,Zhang, Hongqi.,Qin, Yuanwei.,Dong, Jinwei.,Xu, Erqi.,...&Xiao, Xiangming.(2016).Semi-natural areas of Tarim Basin in northwest China: Linkage to desertification.SCIENCE OF THE TOTAL ENVIRONMENT,573,178-188. |
MLA | Liu, Fang,et al."Semi-natural areas of Tarim Basin in northwest China: Linkage to desertification".SCIENCE OF THE TOTAL ENVIRONMENT 573(2016):178-188. |
入库方式: OAI收割
来源:地理科学与资源研究所
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