Document Detail


Effects of temperature and food supply on the growth of whitefish Coregonus lavaretus larvae in an oligotrophic peri-alpine lake.
MedLine Citation:
PMID:  23020558     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The relative roles of temperature and food availability on the seasonal and daily growth of whitefish Coregonus lavaretus larvae were investigated in the oligotrophic peri-alpine Lake Annecy, France. During the spring from 2004 to 2007, surface water temperature and density of potential zooplankton prey were monitored, and 2688 larvae were caught and measured. In addition, the daily growth of 130 larvae was estimated retrospectively by investigating the microstructure of their otoliths. Temperature played the predominant role in controlling both seasonal and daily growth of early larvae. In contrast, the abundance of Mesocyclops leuckarti and larval density was only slightly correlated to larval growth, suggesting no food limitation nor strong interindividual competition over the study period. Overall, these findings run counter to concerns about potential food limitation, but sound a warning about the potential impact of climate change on fish ecology and fisheries management.
Authors:
C Perrier; J C Molinero; D Gerdeaux; O Anneville
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Publication Detail:
Type:  Journal Article     Date:  2012-09-05
Journal Detail:
Title:  Journal of fish biology     Volume:  81     ISSN:  1095-8649     ISO Abbreviation:  J. Fish Biol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0214055     Medline TA:  J Fish Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  1501-13     Citation Subset:  IM    
Copyright Information:
© 2012 The Authors. Journal of Fish Biology © 2012 The Fisheries Society of the British Isles.
Affiliation:
INRA, UMR 0042 CARRTEL, F-74203 Thonon Les Bains, France Institut de Biologie Intégrative et des Systèmes, 1030 Avenue de la Médecine, Université Laval, Québec, QC, G1V 0A6 Canada Helmholtz Centre for Ocean Research Kiel (GEOMAR), Marine Ecology/Food Webs, Duesternbrooker Weg 20, D-24105 Kiel, Germany.
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