Modelling natural disturbances in forest ecosystems: a review

R. Seidl, P.M. Fernandes, T.F. Fonseca, F. Gillet, A.M. Jöhnsson, K. Merganičová, S. Netherer, A. Arpaci, J.D. Bontemps, H. Bugmann, J.R. González-Olabarria, P. Lasch, C. Meredieu, F. Moreira, M. Schelhaas, G.M.J. Mohren

Research output: Contribution to journalArticleAcademicpeer-review

229 Citations (Scopus)

Abstract

Natural disturbances play a key role in ecosystem dynamics and are important factors for sustainable forest ecosystem management. Quantitative models are frequently employed to tackle the complexities associated with disturbance processes. Here we review the wide variety of approaches to modelling natural disturbances in forest ecosystems, addressing the full spectrum of disturbance modelling from single events to integrated disturbance regimes. We applied a general, process-based framework founded in disturbance ecology to analyze modelling approaches for drought, wind, forest fires, insect pests and ungulate browsing. Modelling approaches were reviewed by disturbance agent and mechanism, and a set of general disturbance modelling concepts was deduced. We found that although the number of disturbance modelling approaches emerging over the last 15 years has increased strongly, statistical concepts for descriptive modelling are still largely prevalent over mechanistic concepts for explanatory and predictive applications. Yet, considering the increasing importance of disturbances for forest dynamics and ecosystem stewardship under anthropogenic climate change, the latter concepts are crucial tool for understanding and coping with change in forest ecosystems. Current challenges for disturbance modelling in forest ecosystems are thus (i) to overcome remaining limits in process understanding, (ii) to further a mechanistic foundation in disturbance modelling, (iii) to integrate multiple disturbance processes in dynamic ecosystem models for decision support in forest management, and (iv) to bring together scaling capabilities across several levels of organization with a representation of system complexity that captures the emergent behaviour of disturbance regimes
Original languageEnglish
Pages (from-to)903-924
JournalEcological Modelling
Volume222
Issue number4
DOIs
Publication statusPublished - 2011

Keywords

  • mountain pine-beetle
  • ips-typographus l.
  • douglas-fir beetle
  • spruce budworm defoliation
  • dendroctonus-ponderosae hopkins
  • predicting postfire mortality
  • decision-support-system
  • western united-states
  • global climate-change
  • colorado front range

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