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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: Washington DC. ISSN 0036-8075, more
Peer reviewed article

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Keyword
    Marine

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  • Harley, C.D.G.

Abstract
    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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