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题名: Trends, drivers and impacts of changes in swidden cultivation in tropical forest-agriculture frontiers: A global assessment
作者: van Vliet, Nathalie1; Mertz, Ole1; Heinimann, Andreas2; Langanke, Tobias1; Pascual, Unai3, 4; Schmook, Birgit5; Adams, Cristina6; Schmidt-Vogt, Dietrich7; Messerli, Peter; Leisz, Stephen8; Castella, Jean-Christophe9, 10; Jorgensen, Lars1; Birch-Thomsen, Torben1; Hett, Cornelia2; Bruun, Thilde Bech11; Ickowitz, Amy12; Kim Chi Vu13; Yasuyuki, Kono14; Fox, Jefferson15; Padoch, Christine16; Dressler, Wolfram17; Ziegler, Alan D.18
刊名: GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS
关键词: Land use change ; Swidden cultivation ; Drivers ; Impacts ; Forest-agriculture frontiers ; Metaanalysis
英文摘要: This meta-analysis of land-cover transformations of the past 10-15 years in tropical forest-agriculture frontiers world-wide shows that swidden agriculture decreases in landscapes with access to local, national and international markets that encourage cattle production and cash cropping, including biofuels. Conservation policies and practices also accelerate changes in swidden by restricting forest clearing and encouraging commercial agriculture. However, swidden remains important in many frontier areas where farmers have unequal or insecure access to investment and market opportunities, or where multi-functionality of land uses has been preserved as a strategy to adapt to current ecological, economic and political circumstances. In some areas swidden remains important simply because intensification is not a viable choice, for example when population densities and/or food market demands are low. The transformation of swidden landscapes into more intensive land uses has generally increased household incomes, but has also led to negative effects on the social and human capital of local communities to varying degrees. From an environmental perspective, the transition from swidden to other land uses often contributes to permanent deforestation, loss of biodiversity, increased weed pressure, declines in soil fertility, and accelerated soil erosion. Our prognosis is that, despite the global trend towards land use intensification, in many areas swidden will remain part of rural landscapes as the safety component of diversified systems, particularly in response to risks and uncertainties associated with more intensive land use systems. (C) 2011 Elsevier Ltd. All rights reserved.
出版日期: 2012-05-01
卷号: 22, 期号:2, 页码:418-429
DOI标识: 10.1016/j.gloenvcha.2011.10.009
语种: 英语
收录类别: SCI ; SSCI
学科分类: Environmental Sciences & Ecology ; Geography
ISSN号: 0959-3780
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/17626
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.Univ Copenhagen, Dept Geog & Geol, DK-1350 Copenhagen K, Denmark
2.Univ Bern, Ctr Dev & Environm, Swiss Natl Ctr Res NCCR N S, CH-3012 Bern, Switzerland
3.Univ Cambridge, Dept Land Econ, Cambridge CB3 9EP, England
4.Basque Fdn Sci, Bilbao Bizkaia 48011, Spain
5.ECOSUR El Colegio Frontera Sur, Mexico City 77900, DF, Mexico
6.Univ Sao Paulo, Escola Artes Ciencias & Humanidades, Lab Ecol Humana, BR-05508 Sao Paulo, Brazil
7.Chinese Acad Sci, Kunming Inst Bot, Ctr Mt Ecosyst Studies, Heilongtan 650204, Kunming, Peoples R China
8.Colorado State Univ, Dept Anthropol, Ft Collins, CO 80525 USA
9.Inst Dev Res, Viangchan, Laos
10.Ctr Int Forestry Res CIFOR, Viangchan, Laos
11.Univ Copenhagen, Dept Agrculture & Ecol, DK-1871 Frederiksberg, Denmark
12.Clark Univ, Dept Econ, Worcester, MA 01610 USA
13.Vietnam Natl Univ, Univ Sci, Fac Geog, Hanoi, Vietnam
14.Kyoto Univ, Ctr SE Asian Studies, Kyoto 6068501, Japan
15.East West Ctr, Honolulu, HI 96848 USA
16.New York Bot Garden, Inst Econ Bot, Bronx, NY 10458 USA
17.Univ Queensland, Sch Social Sci, St Lucia, Qld, Australia
18.Natl Univ Singapore, Dept Geog, Singapore 117570, Singapore

Recommended Citation:
van Vliet,Nathalie;Mertz,Ole;Heinimann,Andreas;Langanke,Tobias;Pascual,Unai;Schmook,Birgit;Adams,Cristina;Schmidt-Vogt,Dietrich;Messerli,Peter;Leisz,Stephen;Castella,Jean-Christophe;Jorgensen,Lars;Birch-Thomsen,Torben;Hett,Cornelia;Bech-Bruun,Thilde;Ickowitz,Amy;Kim Chi Vu;Yasuyuki,Kono;Fox,Jefferson;Padoch,Christine;Dressler,Wolfram;Ziegler,Alan D..Trends, drivers and impacts of changes in swidden cultivation in tropical forest-agriculture frontiers: A global assessment,GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS,2012,22(2):418-429
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