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Area of Science:

  • Evolutionary biology
  • Climate change science
  • Ecology

Background:

  • Extreme climate events (e.g., storms, droughts, cold waves) significantly impact natural systems.
  • Historically, studies on the evolutionary consequences of these events have been limited due to their rarity and unpredictability.
  • Human-induced global change is increasing the frequency and severity of extreme climate events.

Purpose of the Study:

  • To review the evolutionary outcomes of extreme climate events.
  • To explore how event characteristics, traits under selection, population adaptive capacity, and ecological context influence evolutionary responses.
  • To highlight the growing need and opportunity to study rapid evolution in the Anthropocene.

Main Methods:

  • Review of existing case studies on extreme climate events and their biological impacts.
  • Analysis of factors influencing evolutionary outcomes, including event specifics, selected traits, and population adaptability.
  • Synthesis of findings to understand evolutionary consequences in the context of global change.

Main Results:

  • Extreme climate events can act as catalysts for rapid evolutionary change.
  • The specific evolutionary outcomes are contingent upon the nature of the extreme event.
  • Factors such as the traits being selected for, the adaptive potential of populations, and the surrounding ecological conditions play critical roles in shaping evolutionary trajectories.

Conclusions:

  • Extreme climate events provide unique opportunities to observe and study rapid evolution in natural populations.
  • Understanding the evolutionary consequences of these events is imperative in the current era of anthropogenic global change.
  • Further research is needed to fully grasp the adaptive capacities and evolutionary trajectories of species facing increasingly frequent extreme climate events.