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Species characteristics affect local extinctions.

Meredith A Zettlemoyer1,2, Duane D McKenna3, Jennifer A Lau1,2,4

  • 1Department of Plant Biology, Michigan State University, East Lansing, Michigan, 48824-6406, USA.

American Journal of Botany
|April 9, 2019
PubMed
Summary
This summary is machine-generated.

Rare and specialist plant species, especially those in prairies and at the edge of their native range, face the highest risk of local extinction. Historical data helps predict biodiversity loss in vulnerable populations.

Keywords:
extinctionhabitat losshabitat specialistherbariumhistorical dataprairierandom phylogenetic patternrange edgerarityspecies traits

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Area of Science:

  • Ecology
  • Conservation Biology
  • Botany

Background:

  • Human activities are a major driver of species extinction, yet predicting extinction risk remains challenging.
  • Species traits and characteristics can influence vulnerability to anthropogenic environmental changes.

Purpose of the Study:

  • To investigate whether species traits, characteristics, or phylogenetic relatedness predict local plant species loss.
  • To analyze historical botanical data from Kalamazoo County, Michigan, to understand patterns of local extinction.

Main Methods:

  • Utilized historical botanical data from Kalamazoo County, Michigan.
  • Examined species traits (growth form, life history, nitrogen-fixation, photosynthetic pathway).
  • Assessed species characteristics (community association, origin, range edge, habitat specialization, rarity) and phylogenetic relatedness.

Main Results:

  • Prairie species, those at their native range edge, regionally rare species, and habitat specialists showed the highest likelihood of local extinction.
  • Prairie species, particularly rare and specialist ones, experienced the highest extinction rates.
  • No significant phylogenetic pattern was found in plant extinctions.

Conclusions:

  • Historical datasets are valuable for understanding and predicting biodiversity loss.
  • Rare, specialist species in threatened habitats are most vulnerable to local extinction.
  • Conservation strategies should focus on protecting and restoring vulnerable species and habitats.