The species-area relationship, self-similarity, and the true meaning of the z-value.

  title={The species-area relationship, self-similarity, and the true meaning of the z-value.},
  author={E. Tj{\o}rve and K. M. C. Tj{\o}rve},
  volume={89 12},
  • E. Tjørve, K. M. C. Tjørve
  • Published 2008
  • Mathematics, Medicine
  • Ecology
  • The power model, S= cA(z) (where S is number of species, A is area, and c and z are fitted constants), is the model most commonly fitted to species-area data assessing species diversity. We use the self-similarity properties of this model to reveal patterns implicated by the z parameter. We present the basic arithmetic leading both to the fraction of new species added when two areas are combined and to species overlap between two areas of the same size, given a continuous sampling scheme. The… CONTINUE READING
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