Aboveground growth and competition in forest gap models

An analysis for studies of climatic change

Richard J. Norby, Kiona Ogle, Peter S. Curtis, Franz W. Badeck, Andreas Huth, George C. Hurtt, Takashi Kohyama, Josep Peñuelas

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Gap models have been used extensively in ecological studies of forest structure and succession, and they should be useful tools for studying potential responses of forests to climatic change. There is a wide variety of gap models with different degrees of physiological detail, and the manner in which the effects of climatic factors are analyzed varies across that range of detail. Here we consider how well the current suite of gap models can accommodate climatic-change issues, and we suggest what physiological attributes and responses should be added to better represent responses of aboveground growth and competition. Whether a gap model is based on highly empirical, aggregated growth functions or more mechanistic expressions of carbon uptake and allocation, the greatest challenge will be to express allocation correctly. For example, incorporating effects of elevated CO2 requires that the fixed allometry between stem volume and leaf area be made flexible. Simulation of the effects of climatic warming should incorporate the possibility of a longer growing season and acclimation of growth processes to changing temperature. To accommodate climatic-change factors, some of the simplicity of gap models must be sacrificed by increasing the amount of physiological detail, but it is important that the capability of the models to predict competition and successional dynamics not be sacrificed.

Original languageEnglish (US)
Pages (from-to)415-447
Number of pages33
JournalClimatic Change
Volume51
Issue number3-4
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

climate change
allometry
acclimation
leaf area
analysis
growing season
Carbon
warming
stem
carbon
simulation
effect
temperature
Temperature
allocation

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Science(all)
  • Environmental Chemistry
  • Global and Planetary Change

Cite this

Norby, R. J., Ogle, K., Curtis, P. S., Badeck, F. W., Huth, A., Hurtt, G. C., ... Peñuelas, J. (2001). Aboveground growth and competition in forest gap models: An analysis for studies of climatic change. Climatic Change, 51(3-4), 415-447. https://doi.org/10.1023/A:1012510619424

Aboveground growth and competition in forest gap models : An analysis for studies of climatic change. / Norby, Richard J.; Ogle, Kiona; Curtis, Peter S.; Badeck, Franz W.; Huth, Andreas; Hurtt, George C.; Kohyama, Takashi; Peñuelas, Josep.

In: Climatic Change, Vol. 51, No. 3-4, 2001, p. 415-447.

Research output: Contribution to journalArticle

Norby, RJ, Ogle, K, Curtis, PS, Badeck, FW, Huth, A, Hurtt, GC, Kohyama, T & Peñuelas, J 2001, 'Aboveground growth and competition in forest gap models: An analysis for studies of climatic change', Climatic Change, vol. 51, no. 3-4, pp. 415-447. https://doi.org/10.1023/A:1012510619424
Norby, Richard J. ; Ogle, Kiona ; Curtis, Peter S. ; Badeck, Franz W. ; Huth, Andreas ; Hurtt, George C. ; Kohyama, Takashi ; Peñuelas, Josep. / Aboveground growth and competition in forest gap models : An analysis for studies of climatic change. In: Climatic Change. 2001 ; Vol. 51, No. 3-4. pp. 415-447.
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