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Review of the Draft Second State of the Carbon Cycle Report (SOCCR2) (2018) / Chapter Skim
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Chapter 9: Forests
Pages 73-78

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 73...
... For this reason it is worth considering spatial integration instead of temporal integration to evaluate carbon-budget consequences -- i.e., is there enough forest area in recovery right now to offset the carbon release from the areas being harvested or disturbed? Statement of Task Questions • Does the report accurately reflect the scientific literature?
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From page 74...
... Most modeling studies are based on land-cover maps with classification schemes like IGBP and therefore use a different definition of forest compared to this chapter. How were differences in forest definition and the resulting discrepancies in forest area and carbon fluxes/stocks among different approaches and studies reconciled in in this chapter?
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From page 75...
... A natural disturbance will often be followed by some phase of regeneration, and an appropriate way to think about the disturbance-associated budget term would be as disturbance return interval, relative fraction of land under disturbance, and regrowth rates relative to the rate during the last cycle. Except for fire management intended to reduce fire severity or frequency, there are few opportunities to alter this budget component.
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From page 76...
... P351, Line 15 Suggesting that forest sink strength will decline as forests age relies on dogma that old forests aren't strong carbon sinks, but that is not supported by observations from the oldest stands available to study where carbon gain is still strong (Luyssaert et al., 2008)
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From page 77...
... Is "2.Net due to forest land gain and Loss" meant to say "Net FLUX due to…."? (Without clarifying, one might mistakenly interpret the numbers to be areas)
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Key Terms

  • carbon cycle
  • forest harvesting
  • carbon budget
  • forest land
  • atmospheric carbon

  • natural disturbance
  • forest carbon
  • mexican forests
  • reduce fire
  • steady state

  • nitrogen deposition
  • classification schemes
  • forest definition
  • forest compared
  • affects forest

  • carbon stocks
  • disturbance return
  • strong carbon
  • carbon density
  • forest regrowth

  • considering spatial
  • carbon emissions
  • carbon sinks
  • reducing carbon
  • carbon uptake

  • atmospheric deposition
  • net carbon
  • forest sink
  • overall carbon
  • carbon gain


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