The forgotten D: challenges of addressing forest degradation in complex mosaic landscapes under REDD
Mertz, Ole1; Mueller, Daniel2; Sikor, Thomas3; Hett, Cornelia4; Heinimann, Andreas4; Castella, Jean-Christophe5; Lestrelin, Guillaume3; Ryan, Casey M.6; Reay, David S.6; Schmidt-Vogt, Dietrich7; Danielsen, Finn8; Theilade, Ida9; van Noordwijk, Meine10; Verchot, Louis V.11; Burgess, Neil D.12; Berry, Nicholas J.6; Pham, Thu Thuy11; Messerli, Peter4; Xu, Jianchu13; Fensholt, Rasmus1; Hostert, Patrick14; Pflugmacher, Dirk14; Bruun, Thilde Bech15; de Neergaard, Andreas15; Dons, Klaus9; Dewi, Sonya10; Rutishauser, Ervan11; Sun, Zhanli2
摘要International climate negotiations have stressed the importance of considering emissions from forest degradation under the planned REDD+ (Reducing Emissions from Deforestation and forest Degradation + enhancing forest carbon stocks) mechanism. However, most research, pilot-REDD+ projects and carbon certification agencies have focused on deforestation and there appears to be a gap in knowledge on complex mosaic landscapes containing degraded forests, smallholder agriculture, agroforestry and plantations. In this paper we therefore review current research on how avoided forest degradation may affect emissions of greenhouse gases (GHG) and expected co-benefits in terms of biodiversity and livelihoods. There are still high uncertainties in measuring and monitoring emissions of carbon and other GHG from mosaic landscapes with forest degradation since most research has focused on binary analyses of forest vs. deforested land. Studies on the impacts of forest degradation on biodiversity contain mixed results and there is little empirical evidence on the influence of REDD+ on local livelihoods and tenure security, partly due to the lack of actual payment schemes. Governance structures are also more complex in landscapes with degraded forests as there are often multiple owners and types of rights to land and trees. Recent technological advances in remote sensing have improved estimation of carbon stock changes but establishment of historic reference levels is still challenged by the availability of sensor systems and ground measurements during the reference period. The inclusion of forest degradation in REDD+ calls for a range of new research efforts to enhance our knowledge of how to assess the impacts of avoided forest degradation. A first step will be to ensure that complex mosaic landscapes can be recognised under REDD+ on their own merits.
关键词Redd Forest Degradation Deforestation Mosaic Landscapes Forest Carbon Greenhouse Gases Livelihoods Biodiversity Governance Monitoring Remote Sensing
作者单位1.Univ Copenhagen, Dept Geog & Geol, DK-1350 Copenhagen K, Denmark
2.Leibniz Inst Agr Dev Cent & Eastern Europe, Dept Struct Change, D-06120 Halle, Germany
3.Univ E Anglia, Sch Int Dev, Norwich NR4 7TJ, Norfolk, England
4.Univ Bern, CDE NCCR, CH-3012 Bern, Switzerland
5.UMR GRED IRD UPV Montpellier 3, Inst Rech Dev, Viangchan, Lao Pdr, Laos
6.Univ Edinburgh, Grant Inst, Sch Geosci, Edinburgh EH9 3JW, Midlothian, Scotland
7.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
8.NORDECO, DK-1159 Copenhagen K, Denmark
9.Univ Copenhagen, DK-1958 Frederiksberg C, Denmark
10.World Agroforestry Ctr ICRAF, Bogor, Indonesia
11.Ctr Int Forestry Res, Bogor 16000, Indonesia
12.Univ Copenhagen, Ctr Macroecol Evolut & Climate, Dept Biol, Denmark & WWF US Conservat Sci Program, Washington, DC USA
13.World Agroforestry Ctr, Kunming 650201, Peoples R China
14.Humboldt Univ, Dept Geog, D-10099 Berlin, Germany
15.Univ Copenhagen, Dept Agr & Ecol, DK-1871 Frederiksberg, Denmark
GB/T 7714
Mertz, Ole,Mueller, Daniel,Sikor, Thomas,et al. The forgotten D: challenges of addressing forest degradation in complex mosaic landscapes under REDD[J]. GEOGRAFISK TIDSSKRIFT-DANISH JOURNAL OF GEOGRAPHY,2012,112(1):63-76.
APA Mertz, Ole.,Mueller, Daniel.,Sikor, Thomas.,Hett, Cornelia.,Heinimann, Andreas.,...&Sun, Zhanli.(2012).The forgotten D: challenges of addressing forest degradation in complex mosaic landscapes under REDD.GEOGRAFISK TIDSSKRIFT-DANISH JOURNAL OF GEOGRAPHY,112(1),63-76.
MLA Mertz, Ole,et al."The forgotten D: challenges of addressing forest degradation in complex mosaic landscapes under REDD".GEOGRAFISK TIDSSKRIFT-DANISH JOURNAL OF GEOGRAPHY 112.1(2012):63-76.
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