Quantifying the magnitude of biological invasions using total biomass

Courchamp, Franck and Klippel, Gabriel and Angulo, Elena and Arbieu, Ugo and Bang, Alok and Bojko, Jamie and Caetano, Gabriel Henrique de Oliveira and Camacho-Cervantes, Morelia and Carneiro, Laís and Cuthbert, Ross N and Dawson, Michael N and Desiderato, Andrea and Fath, Brian D and Firth, Josh A and Latombe, Guillaume and Leroy, Boris and Liu, Chunlong and Manfrini, Eléna and Pan, Xubin and Pincheira-Donoso, Daniel and Tonkin, Jonathan D and Vimercati, Giovanni and Wang, Shengyu and Bradshaw, Corey J A (2026) Quantifying the magnitude of biological invasions using total biomass. BioScience, 76 (5). pp. 429-439.

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Abstract

Biological invasions rank among the greatest anthropogenic threats to global biodiversity and ecosystem functioning, but measuring and comparing their relative magnitudes across regions and taxa remains challenging. The absence of a unified metric hinders scientific advancement, public awareness, and policy development. We propose a simple, standardized metric to quantify and communicate the magnitude of biological invasions: total biomass of nonnative species. This metric approximates the amount of native biomass co-opted, displaced, consumed, or replaced by the populations of invasive species. We illustrate how this metric can be applied to different research themes and contexts such as temporal and spatial invasion dynamics, management strategies, and invasion forecasts. Although not a metric for impact, this magnitude will be useful to quantify the extent of impact of invasive populations. Total biomass can provide a common currency to assess the magnitude of biological invasions, facilitating comparisons, syntheses, and innovations across invasion science.

Item Type:	Article
Authors:	Courchamp, Franck and Klippel, Gabriel and Angulo, Elena and Arbieu, Ugo and Bang, Alok and Bojko, Jamie and Caetano, Gabriel Henrique de Oliveira and Camacho-Cervantes, Morelia and Carneiro, Laís and Cuthbert, Ross N and Dawson, Michael N and Desiderato, Andrea and Fath, Brian D and Firth, Josh A and Latombe, Guillaume and Leroy, Boris and Liu, Chunlong and Manfrini, Eléna and Pan, Xubin and Pincheira-Donoso, Daniel and Tonkin, Jonathan D and Vimercati, Giovanni and Wang, Shengyu and Bradshaw, Corey J A
Document Language:	Language English
Uncontrolled Keywords:	Conservation; Displacement; Invasive species; Management; Quantitative metric
Subjects:	Natural Sciences > Life sciences; biology Natural Sciences > Life sciences; biology > Ecology Natural Sciences > Life sciences; biology > Microorganisms, fungi & algae
Divisions:	Azim Premji University - Bhopal > Arts and Sciences
Full Text Status:	None
Related URLs:	DOI
URI:	http://publications.azimpremjiuniversity.edu.in/id/eprint/7658
Publisher URL:	https://academic.oup.com/bioscience

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