REDD plus readiness implications for Sri Lanka in terms of reducing deforestation

被引:21
作者
Mattsson, Eskil [1 ]
Persson, U. Martin [2 ,3 ]
Ostwald, Madelene [3 ,5 ]
Nissanka, S. P. [4 ]
机构
[1] Univ Gothenburg, Dept Earth Sci, S-40530 Gothenburg, Sweden
[2] Univ Gothenburg, Dept Econ, Gothenburg Ctr Globalizat & Dev, S-40530 Gothenburg, Sweden
[3] Chalmers Univ Technol, Dept Energy & Environm, Div Phys Resource Theory, S-41296 Gothenburg, Sweden
[4] Univ Peradeniya, Fac Agr, Dept Crop Sci, Peradeniya, Sri Lanka
[5] Linkoping Univ, Ctr Climate Sci & Policy Res, S-60174 Norrkoping, Sweden
关键词
REDD; Deforestation; Forest inventories; Carbon stock; Sri LankaOpportunity cost; CARBON; DEGRADATION; EMISSIONS; STORAGE; FORESTS; STOCKS;
D O I
10.1016/j.jenvman.2012.01.018
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Any system to compensate countries for reduced emissions from deforestation and forest degradation (REDD+) requires a historical reference level against which future performance can be measured. Here we examine the possibilities Sri Lanka, a small forest country with limited data on forest carbon stocks, has to get ready for REDD+. We construct a historical reference level using available forest inventory data combined with updated 2008 and 2009 in situ carbon density data for Sri Lankan forests. Furthermore, we use a combination of qualitative and quantitative data to attribute the clearing of Sri Lankan forests in the latest years for which national forest inventory data are available, 1992-1996, to various proximate drivers and to estimate the opportunity cost of forest conservation. We estimate that baseline deforestation emissions in Sri Lanka amounted to 17 MtCO(2) yr(-1) in the 1992-1996 period, but conclude that it is challenging for Sri Lanka to produce a robust and accurate reference level due to the lack of nationally based inventories. We find that the majority of forest clearing (87%) is due to small-scale, rainfed farming, with the two other major drivers being rice and tea cultivation. Further, Sri Lankan revenues from REDD+ participation could be substantial, but they are sensitive to REDD+ policy transaction cost, highly uncertain timber revenues, and particularly the carbon price paid for emission reductions. The latter needs to be higher than $5-10/tCO(2) if there are to be substantial incentives for Sri Lanka to participate in REDD+. There is, however, a large gap in the knowledge of deforestation drivers that needs to be filled if Sri Lanka is to formulate an effective policy response to forest degradation in REDD+. For successful REDD+ implementation in Sri Lanka to happen, technological assistance, readiness assistance, and continued political momentum are crucial. (C) 2012 Elsevier Ltd. All rights reserved.
引用
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页码:29 / 40
页数:12
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