ArticleProceedings of the National Academy of Sciences of the United States of America2013
Rapid shifts in dispersal behavior on an expanding range edge.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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46 citing papers in PubMed.
- Northern populations of Finnish raccoon dogs are active at the range edge and unhindered by movement boundaries.Movement ecology · 2025Article
- Evolution of dispersal capacities during range expansion: size and behaviour matter in an arthropod invading the sub-Antarctic Kerguelen archipelago.Proceedings. Biological sciences · 2025Article
- A Review of Theory: Comparing Invasion Ecology and Climate Change-Induced Range Shifting.Global change biology · 2024Review
- Is developmental plasticity triggered by DNA methylation changes in the invasive cane toad (Ecology and evolution · 2024Article
- Spatial ecology of the invasive Asian common toad in Madagascar and its implications for invasion dynamics.Scientific reports · 2023Article
- Biological invasions as a selective filter driving behavioral divergence.Nature communications · 2022Article
- Captivity induces large and population-dependent brain transcriptomic changes in wild-caught cane toads (Rhinella marina).Molecular ecology · 2022Article
- Brain transcriptome analysis reveals gene expression differences associated with dispersal behaviour between range-front and range-core populations of invasive cane toads in Australia.Molecular ecology · 2022Article
- Personality, density and habitat drive the dispersal of invasive crayfish.Scientific reports · 2022Article
- Increased rates of dispersal of free-ranging cane toads (Rhinella marina) during their global invasion.Scientific reports · 2021Article
- Individual Nest Site Preferences Do Not Explain Upslope Population Shifts of a Secondary Cavity-Nesting Species.Animals : an open access journal from MDPI · 2021Article
- Spatial ecology of cane toads (Rhinella marina) in their native range: a radiotelemetric study from French Guiana.Scientific reports · 2021Article
- Anomalous invasion dynamics due to dispersal polymorphism and dispersal-reproduction trade-offs.Proceedings. Biological sciences · 2021Article
- The accelerating anuran: evolution of locomotor performance in cane toads (Proceedings. Biological sciences · 2020Article
- Do muscle contractile properties drive differences in locomotor performance in invasive populations of Xenopus laevis in France?Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2020Article
- Differential immune gene expression associated with contemporary range expansion in two invasive rodents in Senegal.Scientific reports · 2020Article
- Evolutionary principles guiding amphibian conservation.Evolutionary applications · 2020Review
- Tradeoffs between dispersal and reproduction at an invasion front of cane toads in tropical Australia.Scientific reports · 2020Article
- Causes and consequences of individual variation in animal movement.Movement ecology · 2020Review
- Flight capacity increases then declines from the core to the margins of an invasive species' range.Biology letters · 2019Article
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5 authors.
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Abstract
Dispersal biology at an invasion front differs from that of populations within the range core, because novel evolutionary and ecological processes come into play in the nonequilibrium conditions at expanding range edges. In a world where species' range limits are changing rapidly, we need to understand how individuals disperse at an invasion front. We analyzed an extensive dataset from radio-tracking invasive cane toads (Rhinella marina) over the first 8 y since they arrived at a site in tropical Australia. Movement patterns of toads in the invasion vanguard differed from those of individuals in the same area postcolonization. Our model discriminated encamped versus dispersive phases within each toad's movements and demonstrated that pioneer toads spent longer periods in dispersive mode and displayed longer, more directed movements while they were in dispersive mode. These analyses predict that overall displacement per year is more than twice as far for toads at the invasion front compared with those tracked a few years later at the same site. Studies on established populations (or even those a few years postestablishment) thus may massively underestimate dispersal rates at the leading edge of an expanding population. This, in turn, will cause us to underpredict the rates at which invasive organisms move into new territory and at which native taxa can expand into newly available habitat under climate change.
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