Differences in morphology and in composition and release of parotoid gland secretion in introduced cane toads (<i>Rhinella marina</i>) from established populations in Florida, USA

Understanding the determinants of the range expansion of invasive alien species is crucial for developing effective prevention and control strategies. Nevertheless, we still lack a global picture of the potential factors influencing the invaded range expansion across taxonomic groups, especially for the world's worst invaders with high ecological and economic impacts. Here, by extensively collecting data on 363 distributional ranges of 19 of world's worst invasive terrestrial vertebrates across 135 invaded administrative jurisdictions, we observed remarkable variations in the range expansion across species and taxonomic groups. After controlling for taxonomic and geographic pseudoreplicates, model averaging analyses based on generalized additive mixed‐effect models showed that species in invaded regions having climates more similar to those of their native ranges tended to undergo a larger range expansion. In addition, as proxies of propagule pressure and human‐assisted transportation, the number of introduction events and the road network density were also important predictors facilitating the range expansion. Further variance partitioning analyses validated the predominant role of climate match in explaining the range expansion. Our study demonstrated that regions with similar climates to their native ranges could still be prioritized to prevent the spread of invasive species under the sustained global change.

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Chasing Cane Toads: Assessing Locomotory Differences in Toads from Core and Edge Populations in Florida

Gardner

Appel

Mendonça

2022

Herpetologica

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Differences in morphology and in composition and release of parotoid gland secretion in introduced cane toads (Rhinella marina) from established populations in Florida, USA

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 3 publications

References 55 publications

Vasoconstrictor and hemodynamic effects of a methanolic extract from Rhinella marina toad poison

Vasoconstrictor and hemodynamic effects of a methanolic extract from Rhinella marina toad poison

Climate match is key to predict range expansion of the world's worst invasive terrestrial vertebrates

Chasing Cane Toads: Assessing Locomotory Differences in Toads from Core and Edge Populations in Florida

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