Article (Scientific journals)
Habitat selection by marine larvae in changing chemical environments
Lecchini, David; Dixson, Danielle L.; Lecellier, Gael et al.
2017In Marine Pollution Bulletin, 114, p. 210-217
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Keywords :
coral reef; larval recruitment; acidification; pesticides; red soil pollution; ontogeny; crustacean; fish
Abstract :
[en] The replenishment and persistence of marine species is contingent on dispersing larvae locating suitable habitat and surviving to a reproductive stage. Pelagic larvae rely on environmental cues to make behavioural decisions with chemical information being important for habitat selection at settlement. We explored the sensory world of crustaceans and fishes focusing on the impact anthropogenic alterations (ocean acidification, red soil, pesticide) have on conspecific chemical signals used by larvae for habitat selection. Crustacean (Stenopus hispidus) and fish (Chromis viridis) larvae recognized their conspecifics via chemical signals under control conditions. In the presence of acidified water, red soil or pesticide, the ability of larvae to chemically recognize conspecific cues was altered. Our study highlights that recruitment potential on coral reefs may decrease due to anthropogenic stressors. If so, populations of fishes and crustaceans will continue their rapid decline; larval recruitment will not replace and sustain the adult populations on degraded reefs.
Research Center/Unit :
AFFISH-RC - Applied and Fundamental FISH Research Center - ULiège
Disciplines :
Environmental sciences & ecology
Author, co-author :
Lecchini, David
Dixson, Danielle L.
Lecellier, Gael
Roux, Natacha
Frederich, Bruno  ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Océanographie biologique
Besson, Marc
Tanaka, Y.
Banaigs, Bernard
Nakamura, Yohei
Language :
English
Title :
Habitat selection by marine larvae in changing chemical environments
Publication date :
January 2017
Journal title :
Marine Pollution Bulletin
ISSN :
0025-326X
eISSN :
1879-3363
Publisher :
Pergamon, Oxford, United Kingdom
Volume :
114
Pages :
210-217
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
JSPS - Japan Society for the Promotion of Science
Alfred P. Sloan Foundation
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since 07 November 2016

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