Implications of lemuriform extinctions for the Malagasy flora.

Journal Article

Madagascar's lemurs display a diverse array of feeding strategies with complex relationships to seed dispersal mechanisms in Malagasy plants. Although these relationships have been explored previously on a case-by-case basis, we present here the first comprehensive analysis of lemuriform feeding, to our knowledge, and its hypothesized effects on seed dispersal and the long-term survival of Malagasy plant lineages. We used a molecular phylogenetic framework to examine the mode and tempo of diet evolution, and to quantify the associated morphological space occupied by Madagascar's lemurs, both extinct and extant. Using statistical models and morphometric analyses, we demonstrate that the extinction of large-bodied lemurs resulted in a significant reduction in functional morphological space associated with seed dispersal ability. These reductions carry potentially far-reaching consequences for Malagasy ecosystems, and we highlight large-seeded Malagasy plants that appear to be without extant animal dispersers. We also identify living lemurs that are endangered yet occupy unique and essential dispersal niches defined by our morphometric analyses.

Full Text

Duke Authors

Cited Authors

  • Federman, S; Dornburg, A; Daly, DC; Downie, A; Perry, GH; Yoder, AD; Sargis, EJ; Richard, AF; Donoghue, MJ; Baden, AL

Published Date

  • May 2016

Published In

Volume / Issue

  • 113 / 18

Start / End Page

  • 5041 - 5046

PubMed ID

  • 27071108

Electronic International Standard Serial Number (EISSN)

  • 1091-6490

International Standard Serial Number (ISSN)

  • 0027-8424

Digital Object Identifier (DOI)

  • 10.1073/pnas.1523825113

Language

  • eng