Niche evolution and adaptive radiation: testing the order of trait divergence.

  title={Niche evolution and adaptive radiation: testing the order of trait divergence.},
  author={David D. Ackerly and Dylan W. Schwilk and Campbell O. Webb},
  volume={87 7 Suppl},
In the course of an adaptive radiation, the evolution of niche parameters is of particular interest for understanding modes of speciation and the consequences for coexistence of related species within communities. We pose a general question: In the course of an evolutionary radiation, do traits related to within-community niche differences (alpha niche) evolve before or after differentiation of macrohabitat affinity or climatic tolerances (beta niche)? Here we introduce a new test to address… CONTINUE READING

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