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Corpus Systématique Végétale

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Evaluating the sensitivity of Eurasian forest biomass to climate change using a dynamicvegetation model

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  • boreal forest
  • gap model
  • climate change
  • validation
Nom du fichier dans la ressource
  • J K Shuman 1
  • H H Shugart 1
  • 1) Department of Environmental Sciences, University of Virginia, PO Box 400123, Clark Hall, 291 McCormick Road, Charlottesville, VA 22904-4123, USA

Climate warming could strongly influence the structure and composition of the Eurasianboreal forest. Temperature related changes have occurred, including shifts in treelinesand changes in regeneration. Dynamic vegetation models are well suited to thefurther exploration of the impacts that climate change may have on boreal forests.Using the individual-based gap model FAREAST, forest composition and biomassare simulated at over 2000 sites across Eurasia. Biomass output is compared todetailed forest data from a representative sample of Russian forests and a sensitivityanalysis is performed to evaluate the impact that elevated temperatures andmodified precipitation will have on forest biomass and composition in Eurasia.Correlations between model and forest inventory biomass are strong for several borealtree species. A significant relationship is shown between altered precipitationand biomass. This analysis showed that a modest increase in temperature of2C across 200 years had no significant effect on biomass; however further exploration withincreased warming reflective of values measured within Siberia, or at an increasedrate, are warranted. Overall, FAREAST accurately simulates forest biomass andcomposition at sites throughout a large geographic area with widely varying climaticconditions and produces reasonable biomass responses to simulated climatic shifts.These results indicate that this model is robust and useful in making predictionsregarding the effect of future climate change on boreal forest structure across Eurasia.

Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
Catégories Scopus
  • 1 - Health Sciences ; 2 - Medicine ; 3 - Public Health, Environmental and Occupational Health
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - General Environmental Science
  • 1 - Physical Sciences ; 2 - Energy ; 3 - Renewable Energy, Sustainability and the Environment
Catégories WoS
  • 1 - science ; 2 - meteorology & atmospheric sciences
  • 1 - science ; 2 - environmental sciences
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Environmental Research Letters

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