Supplementary material from "Evolutionary heritage influences Amazon tree ecology"
Posted on 2016-11-24 - 13:26
Lineages tend to retain ecological characteristics of their ancestors through time. However, for some traits, selection during evolutionary history may have also played a role in determining trait values. To address the relative importance of these processes requires large-scale quantification of traits and evolutionary relationships among species. The Amazonian tree flora comprises a high diversity of angiosperm lineages and species with widely differing life-history characteristics, providing an excellent system to investigate the combined influences of evolutionary heritage and selection in determining trait variation. We used trait data related to the major axes of life-history variation among tropical trees (e.g. growth and mortality rates) from 577 inventory plots in closed-canopy forest, mapped onto a phylogenetic hypothesis spanning more than 300 genera including all major angiosperm clades to test for evolutionary constraints on traits. We found significant phylogenetic signal (PS) for all traits, consistent with evolutionarily related genera having more similar characteristics than expected by chance. Although there is also evidence for repeated evolution of similar, pioneer and shade tolerant life-history strategies within independent lineages, the existence of significant PS allows clearer predictions of the links between evolutionary diversity, ecosystem function and the response of tropical forests to global change.
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de Souza, Fernanda Coelho; Dexter, Kyle G.; L. Phillips, Oliver; Brienen, Roel J. W.; Chave, Jerome; R. Galbraith, David; et al. (2016). Supplementary material from "Evolutionary heritage influences Amazon tree ecology". The Royal Society. Collection. https://doi.org/10.6084/m9.figshare.c.3582146.v1
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AUTHORS (76)
Fd
Fernanda Coelho de Souza
KD
Kyle G. Dexter
OL
Oliver L. Phillips
RB
Roel J. W. Brienen
JC
Jerome Chave
DR
David R. Galbraith
GL
Gabriela Lopez-Gonzalez
AM
Abel Monteagudo-Mendoza
RT
R. Toby Pennington
LP
Lourens Poorter
MA
Miguel Alexiades
EÁ
Esteban Álvarez-Dávila
AA
Ana Andrade
LA
Luis E. O. C. Aragão
AA
Alejandro Araujo-Murakami
EA
Eric J. M. M. Arets
GA
Gerardo A. Aymard C.
CB
Christopher Baraloto
JB
Jorcely Barroso
DB
Damien Bonal