ArticleProceedings. Biological sciences2012
Spatial heterogeneity in the effects of climate and density-dependence on dispersal in a house sparrow metapopulation.
Article in Proceedings. Biological sciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- The interplay between abiotic and biotic factors in dispersal decisions in metacommunities.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Study methodology impacts density-dependent dispersal observations: a systematic review.Movement ecology · 2024Article
- Dispersal without drivers: Intrinsic and extrinsic variables have no impact on movement distances in a terrestrial amphibian.Ecology and evolution · 2022Article
- Consistent scaling of inbreeding depression in space and time in a house sparrow metapopulation.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Animal models with group-specific additive genetic variances: extending genetic group models.Genetics, selection, evolution : GSE · 2019Article
- Spatial variation in senescence rates in a bird metapopulation.Oecologia · 2016Article
- On being the right size: increased body size is associated with reduced telomere length under natural conditions.Proceedings. Biological sciences · 2015Article
- No evidence of the effect of extreme weather events on annual occurrence of four groups of ectothermic species.PloS one · 2014Article
- Environmental factors influence both abundance and genetic diversity in a widespread bird species.Ecology and evolution · 2013Article
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- Climate change in metacommunities: dispersal gives double-sided effects on persistence.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Article
- Cold winters have morph-specific effects on natal dispersal distance in a wild raptor.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Dispersal plays a key role in the response of populations to climate change and habitat fragmentation. Here, we use data from a long-term metapopulation study of a non-migratory bird, the house sparrow (Passer domesticus), to examine the influence of increasing spring temperature and density-dependence on natal dispersal rates and how these relationships depend on spatial variation in habitat quality. The effects of spring temperature and population size on dispersal rate depended on the habitat quality. Dispersal rate increased with temperature and population size on poor-quality islands without farms, where house sparrows were more exposed to temporal fluctuations in weather conditions and food availability. By contrast, dispersal rate was independent of spring temperature and population size on high-quality islands with farms, where house sparrows had access to food and shelter all the year around. This illustrates large spatial heterogeneity within the metapopulation in how population density and environmental fluctuations affect the dispersal process.
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