Multiple dimensions of extreme weather events and their impacts on biodiversity

Juan David González-Trujillo (), Rosa M. Román-Cuesta, Aarón Israel Muñiz-Castillo, Cibele H. Amaral and Miguel B. Araújo ()
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Juan David González-Trujillo: Consejo Superior de Investigaciones Científicas
Rosa M. Román-Cuesta: Wageningen University & Research
Aarón Israel Muñiz-Castillo: Healthy Reefs for Healthy People Initiative
Cibele H. Amaral: University of Colorado Boulder
Miguel B. Araújo: Consejo Superior de Investigaciones Científicas

Climatic Change, 2023, vol. 176, issue 11, No 11, 25 pages

Abstract: Abstract Climate change is a multidimensional phenomenon. As such, no single metric can capture all trajectories of change and associated impacts. While numerous metrics exist to measure climate change, they tend to focus on central tendencies and neglect the multidimensionality of extreme weather events (EWEs). EWEs differ in their frequency, duration, and intensity, and can be described for temperature, precipitation, and wind speed, while considering different thresholds defining “extremeness.” We review existing EWE metrics and outline a framework for classifying and interpreting them in light of their foreseeable impacts on biodiversity. Using an example drawn from the Caribbean and Central America, we show that metrics reflect unequal spatial patterns of exposure across the region. Based on available evidence, we discuss how such patterns relate to threats to biological populations, empirically demonstrating how ecologically informed metrics can help relate EWEs to biological processes such as mangrove recovery. Unveiling the complexity of EWE trajectories affecting biodiversity is only possible through mobilisation of a plethora of climate change metrics. The proposed framework represents a step forward over assessments using single dimensions or averages of highly variable time series.

Keywords: Climate change; Vulnerability assessment; Extreme climate; Population demography; Biodiversity threats (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10584-023-03622-0

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