Journal of Geophysical Research: Biogeosciences


Forest disturbances greatly alter the carbon cycle at various spatial and temporal scales. It is critical to understand disturbance regimes and their impacts to better quantify regional and global carbon dynamics. This review of the status and major challenges in representing the impacts of disturbances in modeling the carbon dynamics across North America revealed some major advances and challenges.
    1. You have free access to this content
      Simulating the impacts of disturbances on forest carbon cycling in North America: Processes, data, models, and challenges

      Shuguang Liu, Ben Bond-Lamberty, Jeffrey A. Hicke, Rodrigo Vargas, Shuqing Zhao, Jing Chen, Steven L. Edburg, Yueming Hu, Jinxun Liu, A. David McGuire, Jingfeng Xiao, Robert Keane, Wenping Yuan, Jianwu Tang, Yiqi Luo, Christopher Potter and Jennifer Oeding

      Version of Record online: 8 NOV 2011 | DOI: 10.1029/2010JG001585

      Key Points

      • Disturbances have significant impacts on carbon cycling
      • Modeling disturbances and their impacts on carbon is essential
      • Reviewed the status of data, processes, modeling, and challenges
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      Woody plant proliferation in North American drylands: A synthesis of impacts on ecosystem carbon balance

      Nichole N. Barger, Steven R. Archer, John L. Campbell, Cho-ying Huang, Jeffery A. Morton and Alan K. Knapp

      Version of Record online: 10 AUG 2011 | DOI: 10.1029/2010JG001506

      Key Points

      • ANPP changes with woody encroachment are positively related to MAP
      • Woody encroachment results in net ecosystem C gain across most species and ecoregions
      • Disturbance may significantly offset woody encroachment C gains
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      Vulnerability of high-latitude soil organic carbon in North America to disturbance

      Guido Grosse, Jennifer Harden, Merritt Turetsky, A. David McGuire, Philip Camill, Charles Tarnocai, Steve Frolking, Edward A. G. Schuur, Torre Jorgenson, Sergei Marchenko, Vladimir Romanovsky, Kimberly P. Wickland, Nancy French, Mark Waldrop, Laura Bourgeau-Chavez and Robert G. Striegl

      Version of Record online: 28 JUL 2011 | DOI: 10.1029/2010JG001507

      Key Points

      • SOC in northern high latitudes is highly vulnerable to disturbances
      • Disturbances are an important component of the northern soil C cycle
      • Soils in northern high latitudes could loose their long-term C sink character
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      Model comparisons for estimating carbon emissions from North American wildland fire

      Nancy H. F. French, William J. de Groot, Liza K. Jenkins, Brendan M. Rogers, Ernesto Alvarado, Brian Amiro, Bernardus de Jong, Scott Goetz, Elizabeth Hoy, Edward Hyer, Robert Keane, B. E. Law, Donald McKenzie, Steven G. McNulty, Roger Ottmar, Diego R. Pérez-Salicrup, James Randerson, Kevin M. Robertson and Merritt Turetsky

      Version of Record online: 25 MAY 2011 | DOI: 10.1029/2010JG001469

      Key Points

      • To compare six models of fire emissions and present and discuss results
      • To present the differences between various fire emissions models
      • To recommend further data sets needed to improve fire emissions modeling
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      Heterotrophic respiration in disturbed forests: A review with examples from North America

      Mark E. Harmon, Ben Bond-Lamberty, Jianwu Tang and Rodrigo Vargas

      Version of Record online: 14 MAY 2011 | DOI: 10.1029/2010JG001495

      Key Points

      • Sources of RH are diverse with very uneven levels of understanding
      • Disturbance is a major control of RH and carbon balances
      • Interactive effects of disturbance legacies and climate on RH need examination
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      Recent rates of forest harvest and conversion in North America

      Jeffrey G. Masek, Warren B. Cohen, Donald Leckie, Michael A. Wulder, Rodrigo Vargas, Ben de Jong, Sean Healey, Beverly Law, Richard Birdsey, R. A. Houghton, David Mildrexler, Samuel Goward and W. Brad Smith

      Version of Record online: 15 APR 2011 | DOI: 10.1029/2010JG001471

    7. You have free access to this content
      Ecosystem carbon dioxide fluxes after disturbance in forests of North America

      B. D. Amiro, A. G. Barr, J. G. Barr, T. A. Black, R. Bracho, M. Brown, J. Chen, K. L. Clark, K. J. Davis, A. R. Desai, S. Dore, V. Engel, J. D. Fuentes, A. H. Goldstein, M. L. Goulden, T. E. Kolb, M. B. Lavigne, B. E. Law, H. A. Margolis, T. Martin, J. H. McCaughey, L. Misson, M. Montes-Helu, A. Noormets, J. T. Randerson, G. Starr and J. Xiao

      Version of Record online: 27 OCT 2010 | DOI: 10.1029/2010JG001390

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