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Coexisting with large carnivores based on the Volterra principle.

Mark S Boyce1, Cecile A E Carpentier2, John D C Linnell2,3

  • 1Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.

Conservation Biology : the Journal of the Society for Conservation Biology
|January 29, 2025
PubMed
Summary

Large carnivore conservation faces challenges due to human-wildlife conflict. The Volterra principle suggests that managing predator and prey mortality can increase prey populations and decrease predator numbers, aiding conservation efforts.

Keywords:
Volterra principlecaceríacarnivorescarnívoroscoexistencecoexistenciadepredacióndepredador‐presadinámicashuntingpredationpredator–prey dynamicsprincipio de Volterrawolves

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Area of Science:

  • Conservation Biology
  • Wildlife Ecology
  • Population Dynamics

Background:

  • Coexistence with large carnivores presents significant global conservation challenges.
  • Ecological benefits of large carnivores are recognized, but conflicts like livestock depredation and perceived competition arise.
  • Stakeholder groups often advocate for predator population reduction due to these conflicts.

Purpose of the Study:

  • To explore the implications of the Volterra principle for wildlife management and conservation strategies.
  • To highlight the theoretical basis of predator-prey dynamics in conservation contexts.
  • To emphasize the under-recognized and under-tested nature of the Volterra principle in field conservation.

Main Methods:

  • Theoretical ecological modeling based on Vito Volterra's predictions.
  • Analysis of predator-prey population dynamics.
  • Review of ecological theory and its application to conservation challenges.

Main Results:

  • Vito Volterra's principle predicts that increased mortality for both predators and prey leads to increased prey abundance and decreased predator abundance.
  • This principle is theoretically robust and often aligns with wildlife management goals.
  • The principle's practical application and testing in field conservation remain limited.

Conclusions:

  • The Volterra principle, though seldom tested, is a fundamental ecological concept with significant implications for managing large carnivore populations.
  • Understanding and applying this principle can inform conservation strategies aimed at balancing human interests with predator-prey dynamics.
  • Further field research is needed to validate and operationalize the Volterra principle in real-world conservation scenarios.