Secondary extinctions of biodiversity

Jedediah F. Brodie, Clare E. Aslan, Haldre S. Rogers, Kent H. Redford, John L. Maron, Judith L Bronstein, Craig R. Groves

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Extinctions beget further extinctions when species lose obligate mutualists, predators, prey, or hosts. Here, we develop a conceptual model of species and community attributes affecting secondary extinction likelihood, incorporating mechanisms that buffer organisms against partner loss. Specialized interactors, including 'cryptic specialists' with diverse but nonredundant partner assemblages, incur elevated risk. Risk is also higher for species that cannot either evolve new traits following partner loss or obtain novel partners in communities reorganizing under changing environmental conditions. Partner loss occurs alongside other anthropogenic impacts; multiple stressors can circumvent ecological buffers, enhancing secondary extinction risk. Stressors can also offset each other, reducing secondary extinction risk, a hitherto unappreciated phenomenon. This synthesis suggests improved conservation planning tactics and critical directions for research on secondary extinctions.

Original languageEnglish (US)
Pages (from-to)664-672
Number of pages9
JournalTrends in Ecology and Evolution
Volume29
Issue number12
DOIs
StatePublished - Dec 1 2014

Fingerprint

extinction
biodiversity
extinction risk
conservation planning
conservation buffers
environmental conditions
predator
anthropogenic activities
buffers
planning
predators
loss
environmental factors
synthesis
organisms

Keywords

  • Co-extinction
  • Conservation planning
  • Extinction debt
  • Functional redundancy
  • Mutualism
  • Resilience
  • Species interactions
  • Trophic cascade

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Brodie, J. F., Aslan, C. E., Rogers, H. S., Redford, K. H., Maron, J. L., Bronstein, J. L., & Groves, C. R. (2014). Secondary extinctions of biodiversity. Trends in Ecology and Evolution, 29(12), 664-672. https://doi.org/10.1016/j.tree.2014.09.012

Secondary extinctions of biodiversity. / Brodie, Jedediah F.; Aslan, Clare E.; Rogers, Haldre S.; Redford, Kent H.; Maron, John L.; Bronstein, Judith L; Groves, Craig R.

In: Trends in Ecology and Evolution, Vol. 29, No. 12, 01.12.2014, p. 664-672.

Research output: Contribution to journalArticle

Brodie, JF, Aslan, CE, Rogers, HS, Redford, KH, Maron, JL, Bronstein, JL & Groves, CR 2014, 'Secondary extinctions of biodiversity', Trends in Ecology and Evolution, vol. 29, no. 12, pp. 664-672. https://doi.org/10.1016/j.tree.2014.09.012
Brodie JF, Aslan CE, Rogers HS, Redford KH, Maron JL, Bronstein JL et al. Secondary extinctions of biodiversity. Trends in Ecology and Evolution. 2014 Dec 1;29(12):664-672. https://doi.org/10.1016/j.tree.2014.09.012
Brodie, Jedediah F. ; Aslan, Clare E. ; Rogers, Haldre S. ; Redford, Kent H. ; Maron, John L. ; Bronstein, Judith L ; Groves, Craig R. / Secondary extinctions of biodiversity. In: Trends in Ecology and Evolution. 2014 ; Vol. 29, No. 12. pp. 664-672.
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