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      GLOBALSTATE OFBIODIVERSITY ANDLOSS

      Annual Review of Environment and Resources
      Annual Reviews

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          Most cited references41

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          The future of biodiversity.

          Recent extinction rates are 100 to 1000 times their pre-human levels in well-known, but taxonomically diverse groups from widely different environments. If all species currently deemed "threatened" become extinct in the next century, then future extinction rates will be 10 times recent rates. Some threatened species will survive the century, but many species not now threatened will succumb. Regions rich in species found only within them (endemics) dominate the global patterns of extinction. Although new technology provides details of habitat losses, estimates of future extinctions are hampered by our limited knowledge of which areas are rich in endemics.
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            Mammal population losses and the extinction crisis.

            The disappearance of populations is a prelude to species extinction. No geographically explicit estimates have been made of current population losses of major indicator taxa. Here we compare historic and present distributions of 173 declining mammal species from six continents. These species have collectively lost over 50% of their historic range area, mostly where human activities are intensive. This implies a serious loss of ecosystem services and goods. It also signals a substantial threat to species diversity.
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              Taxonomic Diversity during the Phanerozoic.

              D Raup (1972)
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                Journal
                10.1146/annurev.energy.28.050302.105532

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