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      Ecology and the origin of species

      Trends in Ecology & Evolution

      Elsevier BV

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          Abstract

          The ecological hypothesis of speciation is that reproductive isolation evolves ultimately as a consequence of divergent natural selection on traits between environments. Ecological speciation is general and might occur in allopatry or sympatry, involve many agents of natural selection, and result from a combination of adaptive processes. The main difficulty of the ecological hypothesis has been the scarcity of examples from nature, but several potential cases have recently emerged. I review the mechanisms that give rise to new species by divergent selection, compare ecological speciation with its alternatives, summarize recent tests in nature, and highlight areas requiring research.

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          Author and article information

          Journal
          Trends in Ecology & Evolution
          Trends in Ecology & Evolution
          Elsevier BV
          01695347
          July 2001
          July 2001
          : 16
          : 7
          : 372-380
          Article
          10.1016/S0169-5347(01)02198-X
          11403870
          a9d0c764-82cb-4103-a14b-93da767bad9a
          © 2001

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