Dr Emilio Pagani-Nunez E.Pagani-Nunez@napier.ac.uk
Lecturer
Isotopic niche overlap between the invasive leiothrix and potential native competitors
Pagani–Núñez, E.; Renom, M.; Furquet, C.; Rodríguez, J.; Llimona, Francesc; Senar, J.C.
Authors
M. Renom
C. Furquet
J. Rodríguez
Francesc Llimona
J.C. Senar
Abstract
We analysed niche overlap between the red–billed leiothrix Leiothrix lutea, a spreading exotic invasive bird, and the European robin Erithacus rubecula and the blackcap Sylvia atricapilla, similar native species, which are commonly considered as potential competitors in Mediterranean forests. We analyzed stable isotope ratios (δ13C and δ15N) from feathers of birds sampled in several locations within the Collserola mountain range (Barcelona, NE Spain) where leiothrix have strongly increased their numbers in the last decade and quantified niche overlap with nicheROVER. Blackcap individuals showed the lowest probability to be found in the isotopic niche of the other two species (around 60 %), while leiothrix and robins showed a high probability to share the same isotopic niche (82 %). Our results stress that competition for resources is potentially high and the species shared marked niche asymmetries, which may have implications for community dynamics in the long term.
Citation
Pagani–Núñez, E., Renom, M., Furquet, C., Rodríguez, J., Llimona, F., & Senar, J. (2018). Isotopic niche overlap between the invasive leiothrix and potential native competitors. Animal Biodiversity and Conservation, 41(2), 427-434. https://doi.org/10.32800/abc.2018.41.0427
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 5, 2018 |
Online Publication Date | Sep 21, 2018 |
Publication Date | 2018 |
Deposit Date | Nov 2, 2022 |
Publicly Available Date | Mar 29, 2024 |
Journal | Animal Biodiversity and Conservation |
Print ISSN | 1578-665X |
Publisher | Museu de Ciències Naturals de Barcelona |
Peer Reviewed | Peer Reviewed |
Volume | 41 |
Issue | 2 |
Pages | 427-434 |
DOI | https://doi.org/10.32800/abc.2018.41.0427 |
Keywords | Interspecific competition, Niche overlap, Niche asymmetries, Red–billed leiothrix, Stable isotopes |
Public URL | http://researchrepository.napier.ac.uk/Output/2946692 |
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Isotopic Niche Overlap Between The Invasive Leiothrix And Potential Native Competitors
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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