Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups

Autores
Schroeder, Rafael; Schwarz, Richard; Crespi Abril, Augusto Cesar; Alvarez Perez, José Angel
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This study aimed to differentiate local and migratory spawninggroups of the shortfin squid Illex argentinus caught in Brazilianwaters using geometric and traditional morphometric methodsand size-selective processes. The back-calculated length distributionsreconstructed from daily growth increments deposited in thegladius allowed the identification of size-selective processes thatmay be related to different life history strategies. Landmark analysison body shape (geometric morphometric) revealed thatspawning groups presented significant ontogenetic variations interms of body outline. In addition, traditional morphometric methods,based on multivariate analysis, associated juveniles of theexpected migratory group (large size) and differentiated themfrom the local group individuals (small size). The changes inform, probably linked to the environmental gradients experiencedby individuals throughout ontogeny, were interpreted as adaptationsto improve swimming capacity. Migrant individuals havebeing differentiated from the smaller sizes group by body characteristics(broad fins, elongated and thicker mantle), which mayincrease the ability to perform long migrations.
Fil: Schroeder, Rafael. Universidade do Vale do Itaja; Brasil
Fil: Schwarz, Richard. Evolutionary Ecology of Marine Fishes; Alemania
Fil: Crespi Abril, Augusto Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina
Fil: Alvarez Perez, José Angel. Universidade do Vale do Itaja; Brasil
Materia
Cannibalism
Gladius
Growth Depensetaion
Morphometrics
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/43016
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/43016
network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groupsSchroeder, RafaelSchwarz, RichardCrespi Abril, Augusto CesarAlvarez Perez, José AngelCannibalismGladiusGrowth DepensetaionMorphometricshttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1This study aimed to differentiate local and migratory spawninggroups of the shortfin squid Illex argentinus caught in Brazilianwaters using geometric and traditional morphometric methodsand size-selective processes. The back-calculated length distributionsreconstructed from daily growth increments deposited in thegladius allowed the identification of size-selective processes thatmay be related to different life history strategies. Landmark analysison body shape (geometric morphometric) revealed thatspawning groups presented significant ontogenetic variations interms of body outline. In addition, traditional morphometric methods,based on multivariate analysis, associated juveniles of theexpected migratory group (large size) and differentiated themfrom the local group individuals (small size). The changes inform, probably linked to the environmental gradients experiencedby individuals throughout ontogeny, were interpreted as adaptationsto improve swimming capacity. Migrant individuals havebeing differentiated from the smaller sizes group by body characteristics(broad fins, elongated and thicker mantle), which mayincrease the ability to perform long migrations.Fil: Schroeder, Rafael. Universidade do Vale do Itaja; BrasilFil: Schwarz, Richard. Evolutionary Ecology of Marine Fishes; AlemaniaFil: Crespi Abril, Augusto Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia; ArgentinaFil: Alvarez Perez, José Angel. Universidade do Vale do Itaja; BrasilTaylor & Francis Ltd2017-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/43016Schroeder, Rafael; Schwarz, Richard; Crespi Abril, Augusto Cesar; Alvarez Perez, José Angel; Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups; Taylor & Francis Ltd; Journal of Natural History; 51; 43-44; 10-2017; 1-210022-2933CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1080/00222933.2017.1374484info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/00222933.2017.1374484info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:04:36Zoai:ri.conicet.gov.ar:11336/43016instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:04:36.457CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
title Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
spellingShingle Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
Schroeder, Rafael
Cannibalism
Gladius
Growth Depensetaion
Morphometrics
title_short Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
title_full Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
title_fullStr Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
title_full_unstemmed Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
title_sort Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups
dc.creator.none.fl_str_mv Schroeder, Rafael
Schwarz, Richard
Crespi Abril, Augusto Cesar
Alvarez Perez, José Angel
author Schroeder, Rafael
author_facet Schroeder, Rafael
Schwarz, Richard
Crespi Abril, Augusto Cesar
Alvarez Perez, José Angel
author_role author
author2 Schwarz, Richard
Crespi Abril, Augusto Cesar
Alvarez Perez, José Angel
author2_role author
author
author
dc.subject.none.fl_str_mv Cannibalism
Gladius
Growth Depensetaion
Morphometrics
topic Cannibalism
Gladius
Growth Depensetaion
Morphometrics
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv This study aimed to differentiate local and migratory spawninggroups of the shortfin squid Illex argentinus caught in Brazilianwaters using geometric and traditional morphometric methodsand size-selective processes. The back-calculated length distributionsreconstructed from daily growth increments deposited in thegladius allowed the identification of size-selective processes thatmay be related to different life history strategies. Landmark analysison body shape (geometric morphometric) revealed thatspawning groups presented significant ontogenetic variations interms of body outline. In addition, traditional morphometric methods,based on multivariate analysis, associated juveniles of theexpected migratory group (large size) and differentiated themfrom the local group individuals (small size). The changes inform, probably linked to the environmental gradients experiencedby individuals throughout ontogeny, were interpreted as adaptationsto improve swimming capacity. Migrant individuals havebeing differentiated from the smaller sizes group by body characteristics(broad fins, elongated and thicker mantle), which mayincrease the ability to perform long migrations.
Fil: Schroeder, Rafael. Universidade do Vale do Itaja; Brasil
Fil: Schwarz, Richard. Evolutionary Ecology of Marine Fishes; Alemania
Fil: Crespi Abril, Augusto Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia; Argentina
Fil: Alvarez Perez, José Angel. Universidade do Vale do Itaja; Brasil
description This study aimed to differentiate local and migratory spawninggroups of the shortfin squid Illex argentinus caught in Brazilianwaters using geometric and traditional morphometric methodsand size-selective processes. The back-calculated length distributionsreconstructed from daily growth increments deposited in thegladius allowed the identification of size-selective processes thatmay be related to different life history strategies. Landmark analysison body shape (geometric morphometric) revealed thatspawning groups presented significant ontogenetic variations interms of body outline. In addition, traditional morphometric methods,based on multivariate analysis, associated juveniles of theexpected migratory group (large size) and differentiated themfrom the local group individuals (small size). The changes inform, probably linked to the environmental gradients experiencedby individuals throughout ontogeny, were interpreted as adaptationsto improve swimming capacity. Migrant individuals havebeing differentiated from the smaller sizes group by body characteristics(broad fins, elongated and thicker mantle), which mayincrease the ability to perform long migrations.
publishDate 2017
dc.date.none.fl_str_mv 2017-10
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/43016
Schroeder, Rafael; Schwarz, Richard; Crespi Abril, Augusto Cesar; Alvarez Perez, José Angel; Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups; Taylor & Francis Ltd; Journal of Natural History; 51; 43-44; 10-2017; 1-21
0022-2933
CONICET Digital
CONICET
url http://hdl.handle.net/11336/43016
identifier_str_mv Schroeder, Rafael; Schwarz, Richard; Crespi Abril, Augusto Cesar; Alvarez Perez, José Angel; Analysis of shape variability and life history strategies of Illex argentinus in the northern extreme of species distribution as a tool to differentiate spawning groups; Taylor & Francis Ltd; Journal of Natural History; 51; 43-44; 10-2017; 1-21
0022-2933
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1080/00222933.2017.1374484
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/00222933.2017.1374484
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis Ltd
publisher.none.fl_str_mv Taylor & Francis Ltd
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1846781306885636096
score 12.982451

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