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Type: Journal article
Title: Reintroduction of locally extinct vertebrates impacts arid soil fungal communities
Author: Clarke, L.
Weyrich, L.
Cooper, A.
Citation: Molecular Ecology, 2015; 24(12):3194-3205
Publisher: Wiley
Issue Date: 2015
ISSN: 0962-1083
Statement of
Laurence J. Clarke, Laura S. Weyrich and Alan Cooper
Abstract: Introduced species have contributed to extinction of native vertebrates in many parts of the world. Changes to vertebrate assemblages are also likely to alter microbial communities through coextinction of some taxa and the introduction of others. Many attempts to restore degraded habitats involve removal of exotic vertebrates (livestock and feral animals) and reintroduction of locally extinct species, but the impact of such reintroductions on microbial communities is largely unknown. We used high-throughput DNA sequencing of the fungal internal transcribed spacer I (ITS1) region to examine whether replacing exotic vertebrates with reintroduced native vertebrates led to changes in soil fungal communities at a reserve in arid central Australia. Soil fungal diversity was significantly different between dune and swale (interdune) habitats. Fungal communities also differed significantly between sites with exotic or reintroduced native vertebrates after controlling for the effect of habitat. Several fungal operational taxonomic units (OTUs) found exclusively inside the reserve were present in scats from reintroduced native vertebrates, providing a direct link between the vertebrate assemblage and soil microbial communities. Our results show that changes to vertebrate assemblages through local extinctions and the invasion of exotic species can alter soil fungal communities. If local extinction of one or several species results in the coextinction of microbial taxa, the full complement of ecological interactions may never be restored.
Keywords: Arid Recovery; coextinction; coprophilous; ecological interaction; ecosystem restoration; internal transcribed spacer I (ITS1)
Rights: © 2015 John Wiley & Sons Ltd.
RMID: 0030028147
DOI: 10.1111/mec.13229
Appears in Collections:Earth and Environmental Sciences publications

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