Incorporating phylogenetic information for the definition of floristic districts in hyper-diverse Amazon forests: implications for conservation

J.E. Guevara, N.C.A. Pitman, H. ter Steege, H. Mogollón, C. Ceron, W. Palacios, N. Oleas, P.V.A. Fine

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Using complementary metrics to evaluate phylogenetic diversity can facilitate the delimitation of floristic units and conservation priority areas. In this study, we describe the spatial patterns of phylogenetic alpha and beta diversity, phylogenetic endemism, and evolutionary distinctiveness of the hyperdiverse Ecuador Amazon forests and define priority areas for conservation. We established a network of 62 one-hectare plots in terra firme forests of Ecuadorian Amazon. In these plots, we tagged, collected, and identified every single adult tree with dbh ≥10 cm. These data were combined with a regional community phylogenetic tree to calculate different phylogenetic diversity (PD) metrics in order to create spatial models. We used Loess regression to estimate the spatial variation of taxonomic and phylogenetic beta diversity as well as phylogenetic endemism and evolutionary distinctiveness. We found evidence for the definition of three floristic districts in the Ecuadorian Amazon, supported by both taxonomic and phylogenetic diversity data. Areas with high levels of phylogenetic endemism and evolutionary distinctiveness in Ecuadorian Amazon forests are unprotected. Furthermore, these areas are severely threatened by proposed plans of oil and mining extraction at large scales and should be prioritized in conservation planning for this region.
Original languageEnglish
Pages (from-to)9639-9650
Number of pages12
JournalEcology and Evolution
Volume7
Issue number22
DOIs
Publication statusPublished - 2017

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floristics
phylogenetics
phylogeny
endemism
indigenous species
conservation planning
loess
Ecuador
spatial variation
conservation areas
planning
oils
oil

Cite this

Guevara, J.E. ; Pitman, N.C.A. ; ter Steege, H. ; Mogollón, H. ; Ceron, C. ; Palacios, W. ; Oleas, N. ; Fine, P.V.A. / Incorporating phylogenetic information for the definition of floristic districts in hyper-diverse Amazon forests: implications for conservation. In: Ecology and Evolution. 2017 ; Vol. 7, No. 22. pp. 9639-9650.
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Incorporating phylogenetic information for the definition of floristic districts in hyper-diverse Amazon forests: implications for conservation. / Guevara, J.E.; Pitman, N.C.A.; ter Steege, H.; Mogollón, H.; Ceron, C.; Palacios, W.; Oleas, N.; Fine, P.V.A.

In: Ecology and Evolution, Vol. 7, No. 22, 2017, p. 9639-9650.

Research output: Contribution to JournalArticleAcademicpeer-review

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