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Phylogenetic conservatism in the relationship between functional and demographic characteristics in Amazon tree taxa

Sanchez‐Martinez, Pablo, Dexter, Kyle G., Draper, Freddie C., Baraloto, Chris, Leão do Amaral, Iêda, de Souza Coelho, Luiz, de Almeida Matos, Francisca Dionízia, de Andrade Lima Filho, Diógenes, Salomão, Rafael P., Wittmann, Florian, and others. (2025) Phylogenetic conservatism in the relationship between functional and demographic characteristics in Amazon tree taxa. Functional Ecology, 39 (1). pp. 181-198. ISSN 0269-8463. E-ISSN 1365-2435. (doi:10.1111/1365-2435.14700) (KAR id:107990)

Abstract

Leaf and wood functional traits of trees are related to growth, reproduction, and survival, but the degree of phylogenetic conservatism in these relationships is largely unknown. In this study, we describe the variability of strategies involving leaf, wood and demographic characteristics for tree genera distributed across the Amazon Region, and quantify phylogenetic signal for the characteristics and their relationships. Leaf and wood traits are aligned with demographic variables along two main axes of variation. The first axis represents the coordination of leaf traits describing resource uptake and use, wood density, seed mass, and survival. The second axis represents the coordination between size and growth. Both axes show strong phylogenetic signal, suggesting a constrained evolution influenced by ancestral values, yet the second axis also has an additional, substantial portion of its variation that is driven by functional correlations unrelated to phylogeny, suggesting simultaneously higher evolutionary lability and coordination. Synthesis. Our results suggest that life history strategies of tropical trees are generally phylogenetically conserved, but that tree lineages may have some capability of responding to environmental changes by modulating their growth and size. Overall, we provide the largest‐scale synopsis of functional characteristics of Amazonian trees, showing substantial nuance in the evolutionary patterns of individual characteristics and their relationships. Read the free Plain Language Summary for this article on the Journal blog.

Item Type: Article
DOI/Identification number: 10.1111/1365-2435.14700
Uncontrolled keywords: phylogenetic conservatism, life history, tropical ecology, functional traits, tree physiology, ecophysiology, macroecology
Subjects: G Geography. Anthropology. Recreation
Divisions: Divisions > Division of Human and Social Sciences > School of Anthropology and Conservation
Funders: Ministerio de Ciencia, Innovación y Universidades (https://ror.org/05r0vyz12)
SWORD Depositor: JISC Publications Router
Depositing User: JISC Publications Router
Date Deposited: 19 Feb 2025 15:24 UTC
Last Modified: 24 Feb 2025 11:17 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/107990 (The current URI for this page, for reference purposes)

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