Urbanisation and the loss of phylogenetic diversity in birds

Daniel Sol, Ignasi Bartomeus, César González-Lagos, Sandrine Pavoine

Research output: Contribution to journalLetterpeer-review

100 Scopus citations

Abstract

Despite the recognised conservation value of phylogenetic diversity, little is known about how it is affected by the urbanisation process. Combining a complete avian phylogeny with surveys along urbanisation gradients from five continents, we show that highly urbanised environments supported on average 450 million fewer years of evolutionary history than the surrounding natural environments. This loss was primarily caused by species loss and could have been higher had not been partially compensated by the addition of urban exploiters and some exotic species. Highly urbanised environments also supported fewer evolutionary distinctive species, implying a disproportionate loss of evolutionary history. Compared with highly urbanised environments, changes in phylogenetic richness and evolutionary distinctiveness were less substantial in moderately urbanised environments. Protecting pristine environments is therefore essential for maintaining phylogenetic diversity, but moderate levels of urbanisation still preserve much of the original diversity.

Original languageEnglish
Pages (from-to)721-729
Number of pages9
JournalEcology Letters
Volume20
Issue number6
DOIs
StatePublished - Jun 2017
Externally publishedYes

Keywords

  • Biological invasion
  • conservation of biodiversity
  • global change
  • habitat loss
  • tolerance to environmental change

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