PDF New estimates of national - level forest carbon stocks

New Estimates of National-Level Forest Carbon Stocks

Holly K. Gibbs

Center for Sustainability and the Global Environment University of Wisconsin-Madison

ASB-ICRAF session, Forest Day, UNFCCC COP13, December 8, 2007

Monitoring and estimating tropical forest carbon stocks: making REDD a reality

Holly Gibbs, Sandra Brown, John-O Niles and Jon Foley. 2007 Environmental Research Letters 2

Estimate Forest Carbon Stocks TODAY?

? Update and map pan-tropical forest C using available data and methods?

? Mobilize financial resources now, then countries can refine estimates

National-level Forest Carbon Estimates

National-level Forest Carbon Estimates

1. Biome Averages or Default Values

2. Forest Inventory Measurements

1. Biome averages ? Most commonly used

Estimates for broad forest types based on available data High uncertainty but available at no cost and globally consistent

Similar to IPCC GPG Tier-1 Default Values

Olson (1983)

Houghton et al. (1999, etc.), DeFries et al (2002), Achard et al (2003)

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