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Title: The impact of swidden decline on livelihoods and ecosystem services in Southeast Asia: A review of the evidence from 1990 to 2015
Date of publication: 01 October 2016
Description/subject: Abstract: "Global economic change and policy interventions are driving transitions from long-fallow swidden (LFS) systems to alternative land uses in Southeast Asia’s uplands. This study presents a systematic review of how these transitions impact upon livelihoods and ecosystem services in the region. Over 17 000 studies published between 1950 and 2015 were narrowed, based on relevance and quality, to 93 studies for further analysis. Our analysis of land-use transitions from swidden to intensified cropping systems showed several outcomes: more households had increased overall income, but these benefits came at significant cost such as reductions of customary practice, socio-economic wellbeing, livelihood options, and staple yields. Examining the effects of transitions on soil properties revealed negative impacts on soil organic carbon, cation-exchange capacity, and aboveground carbon. Taken together, the proximate and underlying drivers of the transitions from LFS to alternative land uses, especially intensified perennial and annual cash cropping, led to significant declines in pre-existing livelihood security and the ecosystem services supporting this security. Our results suggest that policies imposing landuse transitions on upland farmers so as to improve livelihoods and environments have been misguided; in the context of varied land uses, swidden agriculture can support livelihoods and ecosystem services that will help buffer the impacts of climate change in Southeast Asia." Keywords: *Alternative land uses *Ecosystem services * Livelihood security *Shifting cultivation *Southeast Asia
Author/creator: Wolfram H. Dressler, David Wilson, Jessica Clendenning, Rob Cramb, Rodney Keenan, Sango Mahanty, Thilde Bech Bruun, Ole Mertz
Language: English
Source/publisher: The Royal Swedish Acadamy of Sciences, Crossmark
Format/size: pdf (1.8MB)
Alternate URLs: http://www.burmalibrary.org/docs23/2016-Dressler_et_al-swidden_review.pdf
Date of entry/update: 20 November 2016