Fast demographic traits promote high diversification rates of Amazonian trees

T.R. Baker, R.T. Pennington, S. Magallon, E. Gloor, W.F. Laurance, M. Alexiades, E. Alvarez, A. de Araujo, E.J.M.M. Arets

Research output: Contribution to journalArticleAcademicpeer-review

41 Citations (Scopus)

Abstract

The Amazon rain forest sustains the world's highest tree diversity, but it remains unclear why some clades of trees are hyperdiverse, whereas others are not. Using dated phylogenies, estimates of current species richness and trait and demographic data from a large network of forest plots, we show that fast demographic traits – short turnover times – are associated with high diversification rates across 51 clades of canopy trees. This relationship is robust to assuming that diversification rates are either constant or decline over time, and occurs in a wide range of Neotropical tree lineages. This finding reveals the crucial role of intrinsic, ecological variation among clades for understanding the origin of the remarkable diversity of Amazonian trees and forests
Original languageEnglish
Pages (from-to)527-536
JournalEcology Letters
Volume17
Issue number5
DOIs
Publication statusPublished - 2014

Keywords

  • species richness
  • ecological limits
  • divergence times
  • life-history
  • diversity
  • evolution
  • patterns
  • forests
  • climate
  • clades

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