Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies

Bibliographic Details
Main Author: Alonso, Hany
Publication Date: 2013
Other Authors: Granadeiro, José P., Ramos, J. A., Catry, Paulo
Format: Article
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: https://hdl.handle.net/10316/25758
https://doi.org/10.1007/s10336-013-0970-3
Summary: A literature review showed that most recent conventional dietary studies of Procellariiformes have used otoliths alone to identify fish prey. Using data from a dietary study of Cory’s Shearwaters Calonectris diomedea, based on 673 regurgitates from adult birds, we quantitatively compared the contribution of otoliths and vertebrae for prey identification and quantification. By using otoliths alone, the importance of the main fish prey was greatly underestimated and several species would have been considered completely absent. Therefore, we strongly recommend the combined use of vertebrae, otoliths and other fish remains in order to improve the quality of dietary studies of seabirds.
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spelling Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studiesTop predatorPrey identificationFish bonesDiet samplingCory’s ShearwaterCalonectris diomedeaA literature review showed that most recent conventional dietary studies of Procellariiformes have used otoliths alone to identify fish prey. Using data from a dietary study of Cory’s Shearwaters Calonectris diomedea, based on 673 regurgitates from adult birds, we quantitatively compared the contribution of otoliths and vertebrae for prey identification and quantification. By using otoliths alone, the importance of the main fish prey was greatly underestimated and several species would have been considered completely absent. Therefore, we strongly recommend the combined use of vertebrae, otoliths and other fish remains in order to improve the quality of dietary studies of seabirds.We are also grateful for the support provided by the wardens of the Nature Reserve during our stays. This study was financed by Fundação para a Ciência e Tecnologia (FCT-Portugal) through projects PTDC/MAR/ 71927/2006 and PEst-OE/MAR/UI0331/2011Springer2013info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttps://hdl.handle.net/10316/25758https://hdl.handle.net/10316/25758https://doi.org/10.1007/s10336-013-0970-3enghttp://link.springer.com/article/10.1007/s10336-013-0970-3Alonso, HanyGranadeiro, José P.Ramos, J. A.Catry, Pauloinfo:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2020-05-25T09:40:18Zoai:estudogeral.uc.pt:10316/25758Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-29T05:15:27.259741Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
title Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
spellingShingle Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
Alonso, Hany
Top predator
Prey identification
Fish bones
Diet sampling
Cory’s Shearwater
Calonectris diomedea
title_short Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
title_full Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
title_fullStr Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
title_full_unstemmed Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
title_sort Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies
author Alonso, Hany
author_facet Alonso, Hany
Granadeiro, José P.
Ramos, J. A.
Catry, Paulo
author_role author
author2 Granadeiro, José P.
Ramos, J. A.
Catry, Paulo
author2_role author
author
author
dc.contributor.author.fl_str_mv Alonso, Hany
Granadeiro, José P.
Ramos, J. A.
Catry, Paulo
dc.subject.por.fl_str_mv Top predator
Prey identification
Fish bones
Diet sampling
Cory’s Shearwater
Calonectris diomedea
topic Top predator
Prey identification
Fish bones
Diet sampling
Cory’s Shearwater
Calonectris diomedea
description A literature review showed that most recent conventional dietary studies of Procellariiformes have used otoliths alone to identify fish prey. Using data from a dietary study of Cory’s Shearwaters Calonectris diomedea, based on 673 regurgitates from adult birds, we quantitatively compared the contribution of otoliths and vertebrae for prey identification and quantification. By using otoliths alone, the importance of the main fish prey was greatly underestimated and several species would have been considered completely absent. Therefore, we strongly recommend the combined use of vertebrae, otoliths and other fish remains in order to improve the quality of dietary studies of seabirds.
publishDate 2013
dc.date.none.fl_str_mv 2013
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/10316/25758
https://hdl.handle.net/10316/25758
https://doi.org/10.1007/s10336-013-0970-3
url https://hdl.handle.net/10316/25758
https://doi.org/10.1007/s10336-013-0970-3
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv http://link.springer.com/article/10.1007/s10336-013-0970-3
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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