Mar 17, 2014

The importance of species interactions in spatially explicit eco-evolutionary community dynamics under climate change

BioRxiv : the Preprint Server for Biology
Melissa K TakahashiJulius B Lucks


Eco-evolutionary dynamics are essential in shaping the biological response of communities to ongoing climate change. Here we develop a spatially explicit eco-evolutionary framework which integrates evolution, dispersal, and species interactions within and between trophic levels. This allows us to analyze how these processes interact to shape species- and community-level dynamics under climate change. Additionally, we incorporate the heretofore unexplored feature that species interactions themselves might change due to increasing temperatures and affect the impact of climate change on ecological communities. The new modeling framework captures previously reported ecological responses to climate change, and also reveals two new key results. First, interactions between trophic levels as well as temperature-dependent competition within a trophic level mitigate the negative impact of climate change on global biodiversity, emphasizing the importance of understanding biotic interactions in shaping climate change impact. Second, using a trait-based perspective, we found a strong negative relationship between the within-community variation in preferred temperatures and the capacity to respond to climate change. Communities resulting fro...Continue Reading

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Mentioned in this Paper

In Vivo
Transcription, Genetic
Neuronal Circuitry
Bnk protein, Drosophila
Molecular Biology Information System
Escherichia coli

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