Biological invasions are as costly as natural hazards

Anna J. Turbelin,Ross N. Cuthbert,F. Essl,P. Haubrock,A. Ricciardi,F. Courchamp

Published 2023 in Perspectives in Ecology and Conservation

ABSTRACT

. Yet, biological invasion awareness remains low compared to natural hazards, and investments to manage invasions remain vastly under- funded and delayed. Here, we quantified biological invasion costs relative to natural hazards, to raise awareness and political leverage. Analysing biological invasions and natural hazards damage cost data over 1980–2019, economic losses from biological invasions were of similar magnitude to natural hazards (e.g., $1,208.0 bn against $1,913.6 bn for storms and $1,139.4 bn for earthquakes). Alarmingly, invasion costs increased faster than natural hazards over time. Similar biological invasions impact magnitudes to natural hazards and faster cost growth rates urge commensurate recognition, coordination and action towards invasions in policies.

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