Fast demographic traits promote high diversification rates of Amazonian trees.
Ecol Lett
; 17(5): 527-36, 2014 May.
Article
em En
| MEDLINE
| ID: mdl-24589190
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.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Árvores
/
Biodiversidade
/
Modelos Biológicos
Tipo de estudo:
Prognostic_studies
País/Região como assunto:
America do sul
Idioma:
En
Revista:
Ecol Lett
Ano de publicação:
2014
Tipo de documento:
Article
País de afiliação:
Reino Unido