ArticleScientific reports2020
Tradeoffs between dispersal and reproduction at an invasion front of cane toads in tropical Australia.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 45 citations in OpenAlex.
- The spread of non-native species.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Landscape Heterogeneity and Environmental Dynamics Improve Predictions of Establishment Success of Colonising Small Founding Populations.Evolutionary applications · 2024Article
- Spatial sorting creates winners and losers.Nature ecology & evolution · 2023Article
- Evolution of reproductive life-history and dispersal traits during the range expansion of a biological control agent.Evolutionary applications · 2022Article
- Individual heterogeneity influences the effects of translocation on urban dispersal of an invasive reptile.Movement ecology · 2022Article
- Long distance homing in the cane toad (Rhinella marina) in its native range.The Journal of experimental biology · 2022Article
- Immune Response in Crayfish Is Species-Specific and Exhibits Changes along Invasion Range of a Successful Invader.Biology · 2021Article
- Reproductive characteristics of American bullfrogs (Lithobates catesbeianus) in their invasive range of the Pacific Northwest, USA.Scientific reports · 2020Article
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
Abstract
Individuals at the leading edge of a biological invasion experience novel evolutionary pressures on mating systems, due to low population densities coupled with tradeoffs between reproduction and dispersal. Our dissections of >1,200 field-collected cane toads (Rhinella marina) at a site in tropical Australia reveal rapid changes in morphological and reproductive traits over a three-year period after the invaders first arrived. As predicted, individuals with dispersal-enhancing traits (longer legs, narrower heads) had reduced reproductive investment (lower gonad mass). Post-invasion, the population was increasingly dominated by individuals with less dispersive phenotypes and a higher investment into reproduction (including, increased expression of sexually dimorphic traits in males). These rapid shifts in morphology and reproductive biology emphasise the impacts of the invasion process on multiple, interlinked aspects of organismal biology.
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Registered trials
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