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      The effect of 50 years of landscape change on species richness and community composition

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      Global Ecology and Biogeography

      Wiley-Blackwell

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          Most cited references 5

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          Human Domination of Earth's Ecosystems

           P. Vitousek (1997)
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            Regulation of diversity: maintenance of species richness in changing environments

            In order to assess how diversity changes over time at sites undergoing environmental change, we examined three data sets on long-term trends in taxonomic richness and composition: (1) 22 years of rodent censuses from a site in the Chihuahuan Desert of Arizona; (2) 50 years of bird surveys from a three-county region of northern Michigan; and (3) approximately 10,000 years of pollen records from two sites in Europe. In all three cases, richness has remained remarkably constant despite large changes in composition. The results suggest that while species composition may be highly variable and change substantially in response to environmental change, species diversity is an emergent property of ecosystems that is often maintained within narrow limits. Such regulation of diversity requires maintenance of relatively constant levels of productivity and resource availability and an open system with opportunity for compensatory colonizations and extinctions. In addition to studying the effects of diversity on biogeochemical processes, it will often be useful to think of species richness as an emergent consequence of ecosystem processes.
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              Saturation of Bird Communities in the West Indies

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                Author and article information

                Journal
                Global Ecology and Biogeography
                Global Ecol Biogeography
                Wiley-Blackwell
                1466-822X
                1466-8238
                May 2001
                May 2001
                : 10
                : 3
                : 305-313
                Article
                10.1046/j.1466-822X.2001.00233.x
                © 2001

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

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