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      Climate change and disruptions to global fire activity

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      Ecosphere
      Wiley

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          Fire in the Earth system.

          Fire is a worldwide phenomenon that appears in the geological record soon after the appearance of terrestrial plants. Fire influences global ecosystem patterns and processes, including vegetation distribution and structure, the carbon cycle, and climate. Although humans and fire have always coexisted, our capacity to manage fire remains imperfect and may become more difficult in the future as climate change alters fire regimes. This risk is difficult to assess, however, because fires are still poorly represented in global models. Here, we discuss some of the most important issues involved in developing a better understanding of the role of fire in the Earth system.
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            Conserving biodiversity under climate change: the rear edge matters.

            Modern climate change is producing poleward range shifts of numerous taxa, communities and ecosystems worldwide. The response of species to changing environments is likely to be determined largely by population responses at range margins. In contrast to the expanding edge, the low-latitude limit (rear edge) of species ranges remains understudied, and the critical importance of rear edge populations as long-term stores of species' genetic diversity and foci of speciation has been little acknowledged. We review recent findings from the fossil record, phylogeography and ecology to illustrate that rear edge populations are often disproportionately important for the survival and evolution of biota. Their ecological features, dynamics and conservation requirements differ from those of populations in other parts of the range, and some commonly recommended conservation practices might therefore be of little use or even counterproductive for rear edge populations.
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              Terrestrial ecosystem production: A process model based on global satellite and surface data

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                Author and article information

                Journal
                Ecosphere
                Ecosphere
                Wiley
                2150-8925
                June 2012
                June 2012
                : 3
                : 6
                : art49
                Article
                10.1890/ES11-00345.1
                29d56c3e-02a0-4041-bff9-af1414923dcd
                © 2012

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

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