ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2012
Climate change in metacommunities: dispersal gives double-sided effects on persistence.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- A Bayesian network approach to trophic metacommunities shows that habitat loss accelerates top species extinctions.Ecology letters · 2020Article
- The biggest losers: habitat isolation deconstructs complex food webs from top to bottom.Proceedings. Biological sciences · 2019Article
- Asymmetric migration decreases stability but increases resilience in a heterogeneous metapopulation.Nature communications · 2018Article
- The importance of realistic dispersal models in conservation planning: application of a novel modelling platform to evaluate management scenarios in an Afrotropical biodiversity hotspot.The Journal of applied ecology · 2016Article
- Impacts of intensive logging on the trophic organisation of ant communities in a biodiversity hotspot.PloS one · 2013Article
- Article
- Climate change in size-structured ecosystems.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Article
- The role of temperature and dispersal in moss-microarthropod community assembly after a catastrophic event.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Article
- Climate change impacts in multispecies systems: drought alters food web size structure in a field experiment.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Climate change is increasingly affecting the structure and dynamics of ecological communities both at local and at regional scales, and this can be expected to have important consequences for their robustness and long-term persistence. The aim of the present work is to analyse how the spatial structure of the landscape and dispersal patterns of species (dispersal rate and average dispersal distance) affects metacommunity response to two disturbances: (i) increased mortality during dispersal and (ii) local species extinction. We analyse the disturbances both in isolation and in combination. Using a spatially and dynamically explicit metacommunity model, we find that the effect of dispersal on metacommunity persistence is two-sided: on the one hand, high dispersal significantly reduces the risk of bottom-up extinction cascades following the local removal of a species; on the other hand, when dispersal imposes a risk to the dispersing individuals, high dispersal increases extinction risks, especially when dispersal is global. Large-bodied species with long generation times at the highest trophic level are particularly vulnerable to extinction when dispersal involves a risk. This suggests that decreasing the mortality risk of dispersing individuals by improving the quality of the habitat matrix may greatly increase the robustness of metacommunities.
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