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The Rimba Raya Biodiversity Reserve REDD Project

The Rimba Raya Biodiversity Reserve REDD Project

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Actual peat depths measured in the <strong>Rimba</strong> <strong>Raya</strong> CarbonAccounting Area exceed Wetlands International estimates for thearea and likely contain an average carbon content of 2,500t C/ha(associated with two-­‐four meter Hemist/Fibrist peats). This farexceeds the calculated carbon loss under the baseline whichassumes a maximum 1 meter peat loss through burning andsubsidence under a business as usual scenario.Combined Above and Belowground Carbon EstimatesStock changes for above and below ground carbon were assessedunder the baseline scenario (described in G.2 and the baselinereport) in order to determine the amount of carbon emissionsavoided by the project.<strong>The</strong> baseline analysis, which takes a necessarilyconservative approach, shows that protection of <strong>Rimba</strong><strong>Raya</strong> carbon stocks over the 30-­‐year life of the projectequate to an estimated 96,376,455 t CO2e avoided.It should be noted that as an additional method of conservativeanalysis, the above-­‐ground biomass estimates did not includebiomass below 20 cm in diameter. This additional built in“buffer” in the baseline is seen as offsetting other uncertaintiesassociated with this emerging science. Table 4 demonstrates theareas in which project proponents have built in up-­‐front buffersin its baseline calculations and in leakage estimates.Table 4. Comparison Charts of inherent “buffer” built intobaselines calculations based on conservative protocolsAreaAboveGroundBiomassBelowGroundBiomassLeakagefromActivityShiftingPositiveLeakage(TanjungPutting)ConservativeApproach(based on peerreviwed scientificdata)Count all aboveground biomassAccount forannual growth inbiomassEvidencesupports 1.5MPeat is a non-­renewablefiniteresource, whichby definitionrules out leakagePark hashistorical andcurrent leakagedue to variousactivities that willbe mitigated withprojectUltra-­‐ConservativeApproach(used in baselinecalculation)Did not countbiomass < 20 cmDid not accountfor annual growthin biomassUsed 1 metertotal subsidenceover project lifeMonitoring forleakage of palmoil companydisplaced byprojectDid not countpositive leakagegenerated bycreation of bufferto park“Built-­‐inBuffer”created byuse ofconservativeprotocolsTBATBATBATBATBA*This table will be updated to reflect quantifiable data in the final submissionversion29

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