Disturbance ecology clarifies the non-equilibrium nature of forest ecosystems(Miyadi Award)

DOI Web Site 2 Citations 182 References
  • Mori Akira S
    Graduate School of Environment and Information Sciences, Yokohama National University

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  • 撹乱生態学が繙く森林生態系の非平衡性(宮地賞受賞者総説)
  • 宮地賞受賞者総説 撹乱生態学が繙く森林生態系の非平衡性
  • ミヤヂショウ ジュショウシャ ソウセツ カクラン セイタイガク ガ ヒモトク シンリン セイタイケイ ノ ヒヘイコウセイ

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Variability in the composition, structure, and dynamics of ecosystems has been widely recognized in recent studies. It is thought that forest ecosystems barely reach the steady-state and equilibrium status. This "non-equilibrium status" of forest ecosystems is regulated by natural disturbances. Consequently, forest dynamics have been clarified in many regions by focusing on natural disturbance regimes. Furthermore, in current terrestrial ecosystem management, natural disturbances in ecosystems and landscapes have been acknowledged as part of the dynamics of ecological processes, one that helps to maintain ecological integrity and conserve biological diversity at various levels. However, the variability and complexity of forest ecosystems remain unknown. Natural disturbances, particularly larger ones, are unpredictable and their impacts on ecosystems are highly uncertain. For ecosystem management and restoration, clarification of the ecosystem responses to environmental variability is critical, and we should further investigate the complexity, unpredictability, and non-equilibrium nature of ecological processes. Therefore, data on the dynamic nature of ecosystems and ecological processes from the specific plot to the landscape level, as regulated by various natural disturbances, is needed to assess the non-equilibrium paradigm of forest ecosystems.

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