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The status of science to support REDD+ based mitigation policies of Mexico

The status of science to support REDD+ based mitigation policies of Mexico.

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The status of science to support REDD+ based mitigation policies of Mexico

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  1. The status of science to support REDD+ based mitigation policies of Mexico Bernardus de Jong, El Colegio de la Frontera SurFernando Paz, Colegio de PostgraduadosMarcela Olguin, El Colegio de la Frontera Sur Jorge D. Etchevers, Colegio de Postgraduado Carlos Omar Cruz, Instituto Nacional de Estadística y Geografía 3rd NACP ALL-INVESTIGATORS MEETING, New Orleans January 31-Febr 4 NACP: SciencetoInformCarbon Management and FutureProjections Thursday, February 3

  2. REDD+ isaccepted at COP16: 1. 2. 1. 2. 2. Emissionreductions Stock conservation and enhancement (removals) Deforestation 1. Stock * LU-change 2. Stock change * LU-change Degradation Deforestation Reforestation Recovering

  3. Bottom up-Top down Strategy

  4. Reference emission scenario Historical rates of forest conversion

  5. Develop biomass density maps to estimate level of emissions from LU-change. • National inventory data and national database of biomass equations • 5 * 5 km in forested areas (1600 m2) • 20 * 20 km in non-forested areas • Quantitative data on trees and shrubs • Semi-quantitative data on other pools • Litter, CWD and Soil carbon measurements from 2009 onward • 20% re-measured every year

  6. Allometric equations to convertinventory and other data to volume or biomass Biomass Volume Addionally: 4 Generic equations fortreesaccordingtoecosystem (Tropical humid, tropical dry, cloudforest, scrubdesert)

  7. Estimate biomass density in each forest type

  8. Assign biomass densities to each polygon of the LU maps 250 0 (Trees and shrubs)

  9. Stock change: Biomass (Mg/ha) Age • Methodologiestoestimategrowth • Chronosequence • Growth ring analysis • Permanentmonitoringplots

  10. Identify forest areas that are under high risk due to drivers

  11. Bottom up-Top down Strategy

  12. SCALE EFFECT BIOSPHERE RESERVE «EL OCOTE» Intactforest Degradedforest Non-forest 1:250,000 1:5,000 81.3% forestsand 18.2% grasslands 73.3% withtreedominatedcanopy. 66.1% are degradedforest. 88.2% forestsy 10.5% grasslands. 70.1% withtreedominatedcanopy. 30.2% are degradedforests.

  13. Detailedmappingfromsatelliteimagestodevelopcommunity-basedreferencescenarios and monitoringsystems Satelllitederived LU mapscombinedwithlandtenuremaps

  14. IntensiveForestInventoryPlots (Emissionfactors) Pilot“Chiapas” Semi-intensive and rapidAppraisal “El Ocote” MRV

  15. Semi-Intensive QuantitativeSamplingSites Rapid AppraisalSites, keyparameters EXAMPLE IN A PROPERTY

  16. ReferenceEmissionScenario Mg CO2/ha/yr CO2fluxes 1991- 2009 Community 5-year LU Plan Forestfires REDD+ comparedtoEmissionscenario

  17. THANK YOU bjong@ecosur.mx

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