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Olfactory and visual species recognition in newts and their role in hybridization

Olfactory and visual species recognition in newts and their role in hybridization Olfactory and visual species recognition in newts and their role in hybridization J. Secondi 1,4) , A. Johanet 1,2) , O. Pays 1) , F. Cazimajou 1) , Z. Djalout 1) & C. Lemaire 1,3) ( 1 GECCO-LEESA, University of Angers, 2 bd Lavoisier, 49045 Angers cedex, France; 2 UMR CNRS 6553 ECOBIO, Université de Rennes 1, France; 3 UMR Pavé, 42, rue Georges Morel, BP 57 49071 Beaucouzé Cedex, France) (Accepted: 19 August 2010) Summary Mating patterns between hybridizing taxa are often conditional to the mechanisms underlying species recognition. During mate choice, individuals often assess information displayed by potential mates on several sensory channels. The reliance on more than one modality is par- ticularly expected whenever transmission conditions are variable or signals subject to wear. Determining the sensory bases of species recognition is, thus, crucial to assess the effect of the signalling environment on the hybridization process between species where mate choice occurs. We addressed this issue in two newt species, Lissotriton helveticus and L. vulgaris , that hybridize and breed in aquatic habitats disturbed by various natural processes. We mea- sured visual and olfactory preferences in males and females. Visual and olfactory recognition was detected in L. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Olfactory and visual species recognition in newts and their role in hybridization

Behaviour , Volume 147 (13-14): 20 – Jan 1, 2010

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References (47)

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/000579510x528233
Publisher site
See Article on Publisher Site

Abstract

Olfactory and visual species recognition in newts and their role in hybridization J. Secondi 1,4) , A. Johanet 1,2) , O. Pays 1) , F. Cazimajou 1) , Z. Djalout 1) & C. Lemaire 1,3) ( 1 GECCO-LEESA, University of Angers, 2 bd Lavoisier, 49045 Angers cedex, France; 2 UMR CNRS 6553 ECOBIO, Université de Rennes 1, France; 3 UMR Pavé, 42, rue Georges Morel, BP 57 49071 Beaucouzé Cedex, France) (Accepted: 19 August 2010) Summary Mating patterns between hybridizing taxa are often conditional to the mechanisms underlying species recognition. During mate choice, individuals often assess information displayed by potential mates on several sensory channels. The reliance on more than one modality is par- ticularly expected whenever transmission conditions are variable or signals subject to wear. Determining the sensory bases of species recognition is, thus, crucial to assess the effect of the signalling environment on the hybridization process between species where mate choice occurs. We addressed this issue in two newt species, Lissotriton helveticus and L. vulgaris , that hybridize and breed in aquatic habitats disturbed by various natural processes. We mea- sured visual and olfactory preferences in males and females. Visual and olfactory recognition was detected in L.

Journal

BehaviourBrill

Published: Jan 1, 2010

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