Expansion dynamics of deciduous rubber plantations in Xishuangbanna, China during 2000-2010
文献类型： 外文期刊
作者： Kou, Weili 1 ; Dong, Jinwei 4 ; Xiao, Xiangming 2 ; Hernandez, Alexander J. 6 ; Qin, Yuanwei 2 ; Zhang, Geli 2 ; Chen, 1 ;
作者机构： 1.Southwest Forestry Univ, Coll Big Data & Intelligence Engn, Kunming 650224, Yunnan, Peoples R China
2.Univ Oklahoma, Dept Microbiol & Plant Biol, Norman, OK 73019 USA
3.Univ Oklahoma, Ctr Spatial Anal, Norman, OK 73019 USA
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
5.Fudan Univ, Inst Biodivers Sci, Minist Educ, Key Lab Biodivers Sci & Ecol Engn, Shanghai 200433, Peoples R China
6.Utah State Univ, Quinney Coll Nat Resources, Logan, UT 84322 USA
7.Chinese Acad Trop Agr Sci, Rubber Res Inst, Danzhou City 571737, Hainan, Peoples R China
8.China Agr Univ, Coll Land Sci & Technol, Beijing, Peoples R China
关键词： rubber plantations; phenology; Landsat; PALSAR; MODIS LST; stand age
期刊名称：GISCIENCE & REMOTE SENSING （ 影响因子：6.238； 五年影响因子：5.345 ）
ISSN： 1548-1603
年卷期： 2018 年 55 卷 6 期
页码：
收录情况： SCI
摘要： Monoculture rubber plantations have been replacing tropical rain forests substantially in Southern China and Southeast Asia over the past several decades, which have affected human wellbeing and ecosystem services. However, to the best of our knowledge on the extent of rubber plantation expansion and their stand ages is limited. We tracked the spatiotemporal dynamics of deciduous rubber plantations in Xishuangbanna, the second largest natural rubber production region in China, from 2000 to 2010 using time-series data from the Phased Array type L-band Synthetic Aperture Radar (PALSAR), Landsat,and Moderate Resolution Imaging Spectroradiometer (MODIS). We found that rubber plantations have been expanding across a gradient from the low-elevation plains to the high elevation mountains. The areas of deciduous rubber plantations with stand ages 5, 6-10, and 11-year old were 1.2x10(5)ha, 0.8x10(5)ha, and 2.9x10(5)ha, respectively. Older rubber plantations were mainly located in low-elevation and species-rich regions (500-900m) and younger rubber trees were distributed in areas of relative high-elevation with fragile ecosystems. Economic and market factors have driven the expansion of rubber plantations, which is not only a threat to biodiversity and environmental sustainability, but also a trigger for climatic disasters. This study illustrates that the integration of microwave, optical, and thermal data is an effective method for mapping deciduous rubber plantations in tropical mountainous regions and determining their stand ages. Our results demonstrate the spatiotemporal pattern of rubber expansions over the first decade of this century.
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