Time Series of Landsat Imagery Shows Vegetation Recovery in Two Fragile Karst Watersheds in Southwest China from 1988 to 2016
文献类型：期刊论文
| 作者 | Pei, Jie6,7,8; Wang, Li6; Wang, Xiaoyue9; Niu, Zheng6,7; Kelly, Maggi8; Song, Xiao-Peng1; Huang, Ni6; Geng, Jing7,8,10; Tian, Haifeng2; Yu, Yang11 |
| 刊名 | REMOTE SENSING
 |
| 出版日期 | 2019-09-01 |
| 卷号 | 11期号:17页码:26 |
| 关键词 | vegetation change Google Earth Engine afforestation and conservation projects climate change karst rocky desertification southwest China |
| DOI | 10.3390/rs11172044 |
| 通讯作者 | Wang, Li(wangli@radi.ac.cn) |
| 英文摘要 | Since the implementation of China's afforestation and conservation projects during recent decades, an increasing number of studies have reported greening trends in the karst regions of southwest China using coarse-resolution satellite imagery, but small-scale changes in the heterogenous landscapes remain largely unknown. Focusing on two typical karst regions in the Nandong and Xiaojiang watersheds in Yunnan province, we processed 2,497 Landsat scenes from 1988 to 2016 using the Google Earth Engine cloud platform and analyzed vegetation trends and associated drivers. We found that both watersheds experienced significant increasing trends in annual fractional vegetation cover, at a rate of 0.0027 year(-1) and 0.0020 year(-1), respectively. Notably, the greening trends have been intensifying during the conservation period (2001-2016) even under unfavorable climate conditions. Human-induced ecological engineering was the primary factor for the increased greenness. Moreover, vegetation change responded differently to variations in topographic gradients and lithological types. Relatively more vegetation recovery was found in regions with moderate slopes and elevation, and pure limestone, limestone and dolomite interbedded layer as well as impure carbonate rocks than non-karst rocks. Partial correlation analysis of vegetation trends and temperature and precipitation trends suggested that climate change played a minor role in vegetation recovery. Our findings contribute to an improved understanding of the mechanisms behind vegetation changes in karst areas and may provide scientific supports for local afforestation and conservation policies. |
| WOS关键词 | ECOLOGICAL RESTORATION PROJECTS ; NET PRIMARY PRODUCTION ; CLIMATE-CHANGE ; ROCKY DESERTIFICATION ; FOREST COVER ; DROUGHT ; IMPACT ; GROWTH ; REGION ; AREAS |
| 资助项目 | National Key Research and Development Project[2016YFC0502501] ; National Natural Science Foundation of China[41871347] |
| WOS研究方向 | Remote Sensing |
| 语种 | 英语 |
| WOS记录号 | WOS:000486874300088 |
| 出版者 | MDPI |
| 资助机构 | National Key Research and Development Project ; National Natural Science Foundation of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/69527]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Wang, Li |
| 作者单位 | 1.Texas Tech Univ, Dept Geosci, Lubbock, TX 79409 USA 2.Henan Univ, Coll Environm & Planning, Kaifeng 475004, Peoples R China 3.UNESCO, Int Res Ctr Karst, Guilin 541004, Peoples R China 4.Chinese Acad Geol Sci, Inst Karst Geol, Key Lab Karst Dynam, Guilin 541004, Peoples R China 5.Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA 6.Chinese Acad Sci, State Key Lab Remote Sensing Sci, Inst Remote Sensing & Digital Earth, Beijing 100101, Peoples R China 7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 8.Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA 9.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China 10.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Pei, Jie,Wang, Li,Wang, Xiaoyue,et al. Time Series of Landsat Imagery Shows Vegetation Recovery in Two Fragile Karst Watersheds in Southwest China from 1988 to 2016[J]. REMOTE SENSING,2019,11(17):26. |
| APA | Pei, Jie.,Wang, Li.,Wang, Xiaoyue.,Niu, Zheng.,Kelly, Maggi.,...&Cao, Jianhua.(2019).Time Series of Landsat Imagery Shows Vegetation Recovery in Two Fragile Karst Watersheds in Southwest China from 1988 to 2016.REMOTE SENSING,11(17),26. |
| MLA | Pei, Jie,et al."Time Series of Landsat Imagery Shows Vegetation Recovery in Two Fragile Karst Watersheds in Southwest China from 1988 to 2016".REMOTE SENSING 11.17(2019):26. |
入库方式： OAI收割
来源：地理科学与资源研究所
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