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Indirect evolutionary rescue: prey adapts, predator avoids extinction.

Masato Yamamichi1, Brooks E Miner1

  • 1Department of Ecology and Evolutionary Biology, Cornell University Ithaca, NY, USA.

Evolutionary Applications
|September 15, 2015
PubMed
Summary
This summary is machine-generated.

Evolutionary rescue can occur indirectly. Prey evolution can prevent predator extinction, especially when prey populations are large and reproduce quickly, highlighting the importance of species interactions in conservation.

Keywords:
climate changecommunity evolutionary rescuecontemporary evolutioneco-evolutionary dynamicseco-evolutionary feedbackenvironmental changephenotypic plasticityrapid evolution

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Area of Science:

  • Evolutionary biology
  • Conservation science
  • Ecology

Background:

  • Evolutionary rescue, the process of adaptive evolution preventing extinction, is increasingly recognized.
  • Most research focuses on single species, neglecting the ecological context of interacting species.
  • Species interactions are crucial for understanding evolutionary rescue in natural communities.

Purpose of the Study:

  • To investigate evolutionary rescue in a multispecies context.
  • To explore how evolutionary changes in one species can impact the persistence of another.
  • To introduce and define the concept of 'indirect evolutionary rescue'.

Main Methods:

  • Development of two-species predator-prey models.
  • Analysis of conditions enabling indirect evolutionary rescue.
  • Examination of prey adaptive evolution's impact on predator population dynamics.

Main Results:

  • Prey adaptive evolution can prevent predator extinction in modeled systems.
  • A trade-off between prey defense and population growth is key to this rescue.
  • Rapid prey evolution significantly affects predator population dynamics.

Conclusions:

  • Indirect evolutionary rescue, driven by interacting species, is a critical factor in ecological and evolutionary responses to environmental change.
  • This process has significant implications for conservation strategies in complex communities.
  • Understanding interspecies evolutionary dynamics is vital for predicting species persistence under environmental change.