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      Use and misuse of the IUCN Red List Criteria in projecting climate change impacts on biodiversity

      , , , ,
      Global Change Biology
      Wiley-Blackwell

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          Biological consequences of global warming: is the signal already apparent?

          Increasing greenhouse gas concentrations are expected to have significant impacts on the world's climate on a timescale of decades to centuries. Evidence from long-term monitoring studies is now accumulating and suggests that the climate of the past few decades is anomalous compared with past climate variation, and that recent climatic and atmospheric trends are already affecting species physiology, distribution and phenology.
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            Reducing uncertainty in projections of extinction risk from climate change

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              Climate change hastens population extinctions.

              Climate change is expected to alter the distribution and abundance of many species. Predictions of climate-induced population extinctions are supported by geographic range shifts that correspond to climatic warming, but few extinctions have been linked mechanistically to climate change. Here we show that extinctions of two populations of a checkerspot butterfly were hastened by increasing variability in precipitation, a phenomenon predicted by global climate models. We model checkerspot populations to show that changes in precipitation amplified population fluctuations, leading to rapid extinctions. As populations of checkerspots and other species become further isolated by habitat loss, climate change is likely to cause more extinctions, threatening both species diversity and critical ecosystem services.
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                Author and article information

                Journal
                Global Change Biology
                Global Change Biol
                Wiley-Blackwell
                1354-1013
                1365-2486
                November 2006
                November 2006
                : 12
                : 11
                : 2037-2043
                Article
                10.1111/j.1365-2486.2006.01253.x
                50f64d3d-03bf-4e5d-92bb-30ce0c240135
                © 2006

                http://doi.wiley.com/10.1002/tdm_license_1.1

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