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题名: Carbon balance of rubber (Hevea brasiliensis) plantations: A review of uncertainties at plot, landscape and production level
作者: Blagodatsky, Sergey1; Xu, Jianchu2, 3; Cadisch, Georg1
刊名: AGRICULTURE ECOSYSTEMS & ENVIRONMENT
出版日期: 2016-04-01
卷号: 221, 页码:8-19
关键词: Land use change ; Carbon sequestration ; Soil carbon stock ; Tree plantation ; Agroforestry system
DOI: 10.1016/j.agee.2016.01.025
文章类型: Article
英文摘要: Rapid expansion of natural rubber plantations in South-East Asia and other regions has greatly altered ecosystem based carbon (C) stocks with potential impacts on climate change mitigation and future C trading opportunities. Therefore, reliable estimations of carbon sequestration and emission at the landscape level after land cover transition from forest, swidden agriculture and other land use types are needed. We reviewed studies on C stocks and dynamics in rubber plantations considering the contribution of aboveground and belowground biomass, soil organic matter, collected latex and other minor components. C sequestration occurred after conversion of arable land to rubber plantations while C losses usually prevailed if forest was converted to rubber. These general trends strongly depended on local climate conditions and soil properties as well as on topography. Non-traditional planting of rubber under subtropical conditions with a dryer climate and at high elevations (300-1000 m above sea level) decreased the C sequestration potential of rubber. We show how rotation length, rubber clone, and management strategies like tapping frequency or planting density affect C stocks, discuss the uncertainties in C stock estimation and highlight improved approaches. An important conclusion is that upscaling of C stocks and dynamics under different climate scenarios and rotation lengths to a regional level requires the use of time averaged C stocks. Enhanced remote sensing techniques can greatly improve C stock estimates at the regional level, allowing for an accounting of the variability caused by terrain and plantation properties. A partial life cycle assessment of rubber production revealed greenhouse gas emissions as a minor contribution when compared to land use change effects on plant and soil C stocks and C accumulation in latex, wood products and seed oil. The review highlights scantily explored topics and proposes directions for future studies, which should decrease uncertainties in C estimates in rubber dominated landscapes. (C) 2016 Elsevier B.V. All rights reserved.
类目[WOS]: Agriculture, Multidisciplinary ; Ecology ; Environmental Sciences
研究领域[WOS]: Agriculture ; Environmental Sciences & Ecology
关键词[WOS]: SOIL ORGANIC-CARBON ; LAND-USE CHANGE ; MAINLAND SOUTHEAST-ASIA ; SOUTHWEST CHINA ; TREE PLANTATIONS ; ABOVEGROUND BIOMASS ; ALLOMETRIC MODELS ; TIME-SERIES ; RAIN-FOREST ; XISHUANGBANNA
收录类别: SCI ; SSCI
项目资助者: German-Chinese joint project SURUMER (Sustainable Rubber Cultivation in the Mekong Region) ; German Federal Ministry of Education and Research (BMBF)(FKZ 01LL0919) ; German BMZ/GIZ
语种: 英语
WOS记录号: WOS:000373649100002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/26205
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Inst Plant Prod & Agroecol Trop & Subtrop, Garbenstr 13, D-70593 Stuttgart, Germany
2.World Agroforestry Ctr, East & Cent Asia, Lanhei Rd 132, Kunming 650201, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Ctr Mt Ecosyst Studies, Kunming 650201, Peoples R China
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