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Climate change, keystone predation, and biodiversity loss
Harley, C.D.G. (2011). Climate change, keystone predation, and biodiversity loss. Science (Wash.) 334(6059): 1124-1127.
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
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  • Harley, C.D.G.

    Climate change can affect organisms both directly via physiological stress and indirectly via changing relationships among species. However, we do not fully understand how changing interspecific relationships contribute to community- and ecosystem-level responses to environmental forcing. I used experiments and that warming substantially reduces predator-free space on rocky shores. The vertical extent of mussel beds at several sites. Prey species were able to occupy a hot, extralimital site if predation pressure was experimentally reduced, and local species richness more than doubled as a result. These results suggest that anthropogenic climate change can alter interspecific interactions and produce unexpected changes in species distributions, community structure, and diversity.

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