Empirical evidence for recent global shifts in vegetation resilience

Taylor Smith (), Dominik Traxl and Niklas Boers
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Taylor Smith: Universität Potsdam
Dominik Traxl: Potsdam Institute for Climate Impact Research
Niklas Boers: Potsdam Institute for Climate Impact Research

Nature Climate Change, 2022, vol. 12, issue 5, 477-484

Abstract: Abstract The character and health of ecosystems worldwide is tightly coupled to changes in Earth’s climate. Theory suggests that ecosystem resilience—the ability of ecosystems to resist and recover from external shocks such as droughts and fires—can be inferred from their natural variability. Here, we quantify vegetation resilience globally with complementary metrics based on two independent long-term satellite records. We first empirically confirm that the recovery rates from large perturbations can be closely approximated from internal vegetation variability across vegetation types and climate zones. On the basis of this empirical relationship, we quantify vegetation resilience continuously and globally from 1992 to 2017. Long-term vegetation resilience trends are spatially heterogeneous, with overall increasing resilience in the tropics and decreasing resilience at higher latitudes. Shorter-term trends, however, reveal a marked shift towards a global decline in vegetation resilience since the early 2000s, particularly in the equatorial rainforest belt.

Date: 2022
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DOI: 10.1038/s41558-022-01352-2

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