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Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

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Published on: July 24, 2016

Threshold models in restoration and conservation: a developing framework.

Katharine N Suding1, Richard J Hobbs

  • 1Ecology and Evolutionary Biology, 321 Steinhaus Hall, University of California, Irvine, Irvine, CA 92697-2525, USA. ksuding@uci.edu

Trends in Ecology & Evolution
|March 10, 2009
PubMed
Summary
This summary is machine-generated.

Threshold models reveal how ecosystems can abruptly shift due to environmental changes. This research explores their application in habitat management, highlighting the need for evidence-based implementation in human-impacted systems.

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Area of Science:

  • Ecology
  • Environmental Management
  • Conservation Biology

Background:

  • Ecosystems can exhibit resilience up to a critical threshold, beyond which rapid, unexpected change occurs.
  • Threshold dynamics are increasingly recognized as relevant to conservation and restoration efforts.

Purpose of the Study:

  • To assess the applicability of threshold models to habitat management.
  • To address the adoption of threshold concepts without sufficient evaluation of evidence and uncertainty.

Main Methods:

  • Review of existing literature on threshold models in ecological contexts.
  • Analysis of human impacts on habitat threshold dynamics.
  • Development of a framework for applying threshold models in management.

Main Results:

  • Threshold concepts are highly applicable to habitat management.
  • Human impacts can expand habitats prone to threshold dynamics and induce irreversible community shifts.
  • Current adoption of threshold concepts often lacks rigorous evidence and uncertainty evaluation.

Conclusions:

  • A framework is proposed for incorporating threshold models into decision-making for human-impacted systems.
  • Emphasis is placed on applicability to short-timescale management decisions.
  • Further evaluation of evidence and uncertainty is crucial for effective threshold model application.