Technical Comments

Response to Comments on “Global Correlations in Tropical Tree Species Richness and Abundance Reject Neutrality”

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Science  29 Jun 2012:
Vol. 336, Issue 6089, pp. 1639
DOI: 10.1126/science.1222685

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The neutral models in the Technical Comments depend on the assumption of an initially homogeneous global tropical forest flora. Fossil data and phylogenetic reconstructions instead reveal a high degree of provincialism before the development of modern tropical forests with only occasional long-distance dispersal between continental regions, favoring parallel diversification of a small number of ancestral lineages that dispersed between regions at widely different times.

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