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Transient windows for connectivity in a changing world.

Sara L Zeigler1, William F Fagan2

  • 1Department of Biological Sciences, Virginia Tech, Blacksburg, VA 24060 USA.

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This summary is machine-generated.

Connectivity in dynamic landscapes is often overlooked. This study highlights the importance of transient connectivity windows for metapopulation dynamics and calls for new models that incorporate temporal variations in movement.

Keywords:
Anthropogenic changeDispersalDisturbanceDynamic landscapesFunctional connectivityMovementStatic landscapesStructural connectivity

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Area of Science:

  • Ecology
  • Conservation Biology
  • Landscape Ecology

Background:

  • Metapopulation dynamics research traditionally focuses on habitat patch changes.
  • Dynamic landscapes also exhibit intermittent opportunities for movement between patches, termed transient connectivity windows.
  • Existing metapopulation models and metrics rarely account for temporal variations in connectivity.

Purpose of the Study:

  • To review the literature on the consequences of variable connectivity in dynamic landscapes.
  • To identify knowledge gaps regarding the implications of transient connectivity for metapopulation dynamics.
  • To emphasize the need to consider connectivity as a dynamic, rather than static, feature.

Main Methods:

  • Systematic literature review of peer-reviewed publications up to November 2013.
  • Analysis of how connectivity varies temporally across different ecological systems.
  • Examination of the role of temporal connectivity variability in metapopulation persistence.

Main Results:

  • Connectivity itself can vary significantly over time, influenced by matrix conditions.
  • Temporal variability in connectivity is crucial for metapopulation persistence, especially under changing disturbance regimes.
  • Few studies explicitly address or model the transient nature of connectivity.

Conclusions:

  • Connectivity should be viewed as a transient process, not a fixed attribute.
  • Future research must develop metrics and models that incorporate dynamic connectivity.
  • Understanding transient connectivity is vital for effective conservation in changing environments.