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A Large and Persistent Carbon Sink in the World’s Forests

A Large and Persistent Carbon Sink in the World’s Forests.

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A Large and Persistent Carbon Sink in the World’s Forests

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  1. A Large and Persistent Carbon Sink in the World’s Forests Yude Pan, Richard Birdsey, Jingyun Fang, Richard Houghton, Pekka Kauppi, Werner A. Kurz, Oliver L. Phillips, Anatoly Shvidenko, Simon L. Lewis, Josep G. Canadell, Philippe Ciais, Robert B. Jackson, Stephen Pacala, A David McGuire, Shilong Piao, Aapo Rautiainen, Stephen Sitch, Daniel Hayes (2011) A Large and Persistent Carbon Sink in the World’s Forests. Science (online Science Express, Thursday 14 July 2011)

  2. Yude Pan1, Richard A. Birdsey1, Jingyun Fang2,3, Richard Houghton4, Pekka E. Kauppi5, • Werner A. Kurz6, Oliver L. Phillips7, Anatoly Shvidenko8, Simon L. Lewis7, Josep G. • Canadell9, Philippe Ciais10, Robert B. Jackson11, Stephen Pacala12, A. David McGuire13, • Shilong Piao2, Aapo Rautiainen5, Stephen Sitch7, Daniel Hayes14 • USDA Forest Service, Newtown Square, PA. USA • Key Laboratory for Earth Surface Processes, Ministry of Education, Peking University, Beijing, 100871 China; • State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093 China • Woods Hole Research Center, Falmouth, USA • University of Helsinki, Helsinki, Finland • Natural Resources Canada, Canadian Forest Service, Victoria, Canada • School of Geography, University of Leeds, LS2 9JT, UK. • International Institute for Applied Systems Analysis (IIASA), Austria • Global Carbon project, CSIRO Marine and Atmospheric Research, Canberra, Australia • Laboratoire des Sciences du Climat et de l’Environnement (LSCE) CEA-UVSQ-CNRS,Gif sur Yvette, France • Duke University, Durham, USA • Princeton University, Princeton, NJ, USA • U.S. Geological Survey, Alaska Cooperative Fish and Wildlife Research Unit, University of Alaska, Fairbanks, USA • Oak Ridge National Laboratory, Oak Ridge, TN, USA

  3. 4.1±0.1 PgC y-1 47% 2.4 PgC y-1 27% + 1.1±0.7 PgC y-1 26% 2.3±0.4 PgC y-1 The Human Perturbation of the CO2 Budget (2000-2009) 7.7±0.5 PgC y-1 Calculated as the residual Global Carbon Project 2010; http://www.globalcarbonproject.org/carbonbudget/index.htm

  4. 4.0 4.0 1.7 1.6 Tropical net LUC flux 1.2 1.0 Tropical gross defores-tation Tropical regrowth Total gross sink Total net sink 1.1 1.5 3.0 2.8 Global Forest Carbon Budget (PgCy-1) 3 2.5 1990-1999 2.3 2000-2007 2 1.3 1.0 1 0.8 0.7 0.5 0.5 0 Total Boreal Temperate Intact Tropical - 1 - 2 - 3 Pan et al. 2011, Science

  5. Boreal Forest 0.5 ±0.08 Temperate Forest 0.8 ±0.09 Tropical “intact” Forest 1.0 ±0.41 Total 2.3 ±0.49 Tropical forest regrowth 1.7 ±0.54 Forest Carbon Sinks and Sources(2000-2007, PgCy-1) Tropical net deforestation -1.1 ±0.70 Tropical gross deforestation - 2.8 ±0.45 Global gross forest sink 4.0 ±0.73 Global net forest sink 1.2 ±0.85 Pan et al. 2011, Science

  6. Large and Consistent Global Forest Carbon Sink Pan et al. 2011, Science

  7. Carbon Stocks in Biomass, Deadwood, Litter and Soil 2007 (PgCy-1) Total forest C stock= 860 PgC 42% 14% 44% Biomass Soil Soil Biomass Soil Biomass Soil Biomass 32% 13% 55% Pan et al. 2011, Science

  8. For further information on this paper visit: http://www.globalcarbonproject.org/news/forestsink.html

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