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Catastrophic Thresholds: A Synthesis of Concepts, Perspectives, and Applications

Briske, David D. ; Washington-Allen, Robert A. ; Johnson, Craig R. ; Lockwood, Jeffrey A. ; Lockwood, Dale R. ; Stringham, Tamzen K. ; Shugart, Herman H.

Ecology and society, 2010-09, Vol.15 (3), p.37, Article art37 [同儕審閱期刊]

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題名:
Catastrophic Thresholds: A Synthesis of Concepts, Perspectives, and Applications
著者: Briske, David D. ; Washington-Allen, Robert A. ; Johnson, Craig R. ; Lockwood, Jeffrey A. ; Lockwood, Dale R. ; Stringham, Tamzen K. ; Shugart, Herman H.
主題: Applied ecology ; complexity science ; Ecological balance ; Ecological genetics ; Ecological modeling ; ecological resilience ; Ecology ; Ecosystem dynamics ; Ecosystem management ; Ecosystems ; Human ecology ; non-equilibrium ecology ; Population ecology ; self-organized systems ; Synthesis ; systems theory
所屬期刊: Ecology and society, 2010-09, Vol.15 (3), p.37, Article art37
描述: Research reported in this feature identifies a convergence of interpretations regarding the threshold dynamics of complex ecological systems. This convergence has arisen from a diverse set of investigations addressing rangeland ecosystem dynamics, disease transmission, and fluctuations in the populations of insect pests. Effective application of the threshold concept to ecosystem management will require development of more robust linkages between non-equilibrium theory and protocols to identify triggers that initiate threshold conditions, feedback loops that establish system resilience, and developmental trajectories and attributes of potential alternative stable states. Successful implementation of these theory/application linkages has the potential to underpin an operational framework of resilience-based ecosystem management that is founded upon the identification of structural indicators that are correlated with vulnerability or proximity to thresholds, rather than threshold identification per se. Several investigations indicate that thresholds are strongly influenced by scale; multiple cross-scale interactions demonstrate the need for greater knowledge and analyses to address scale-dependent processes, i.e., critical scales and scaling laws. This feature emphasizes the relevance of thresholds and non-equilibrium dynamics in multiple natural resource management applications and in so doing demonstrates the need for a more comprehensive and integrated ecological framework capable of quantitatively assessing dynamics at multiple scales to inform management and policy recommendations for optimal management and risk assessment.
出版者: Resilience Alliance
語言: 英文
識別號: ISSN: 1708-3087
EISSN: 1708-3087
DOI: 10.5751/ES-03681-150337
資源來源: DOAJ Directory of Open Access Journals

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Catastrophic Thresholds: A Synthesis of Concepts, Perspectives, and Applications

Briske, David D. ; Washington-Allen, Robert A. ; Johnson, Craig R. ; Lockwood, Jeffrey A. ; Lockwood, Dale R. ; Stringham, Tamzen K. ; Shugart, Herman H.

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