Rarity Value and Species Extinction: The Anthropogenic Allee Effect
2006

Human Taste for Rarity Threatens Endangered Species

publication Evidence: moderate

Author Information

Author(s): Franck Courchamp, Elena Angulo

Hypothesis

Does the human preference for rarity contribute to the extinction of endangered species?

Conclusion

The study reveals that human behavior, particularly the desire for rare species, can create a feedback loop that drives these species toward extinction.

Supporting Evidence

  • The model predicts that rarity increases a species' value, leading to more exploitation.
  • Human activities like trophy hunting and the exotic pet trade exacerbate the risk of extinction.
  • Education may help mitigate the negative impacts of human activities on endangered species.

Takeaway

People like rare things, but this can hurt endangered animals because it makes them more valuable and leads to more hunting.

Methodology

The authors developed a theoretical model incorporating human behavior and rarity into resource exploitation.

Digital Object Identifier (DOI)

10.1371/journal.pbio.0040439

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