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dc.contributor.author
Canel, Delfina
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dc.contributor.author
Levy, Eugenia
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dc.contributor.author
Braicovich, Paola Elizabeth
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dc.contributor.author
Haimovici, Manuel
dc.contributor.author
Timi, Juan Tomas
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dc.date.available
2022-09-07T15:05:38Z
dc.date.issued
2021-07
dc.identifier.citation
Canel, Delfina; Levy, Eugenia; Braicovich, Paola Elizabeth; Haimovici, Manuel; Timi, Juan Tomas; Ontogenetic asynchrony in fish migrations may lead to disparate parasite assemblages: Implications for its use as biological tags; Elsevier Science; Fisheries Research; 239; 105941; 7-2021; 1-9
dc.identifier.issn
0165-7836
dc.identifier.uri
http://hdl.handle.net/11336/167736
dc.description.abstract
Several species of marine fishes perform seasonal migrations alternating foraging and spawning habitats during their life cycles. The knowledge of these movements is essential to define their population structure which is, in turn, necessary for a sustainable management of any fishery resource. Parasite tags have been extensively applied for stock identification and host migration assessment, proving to be excellent markers. However, ontogenetic changes in the structure of parasite assemblages must be considered since, due to ontogenetic cumulative patterns, differences between host length can lead to a misinterpretation of the patterns in this type of studies. The aim of this work was to evaluate the asynchronous migrations of the Argentine croaker Umbrina canosai, a demersal fish that inhabits coastal waters of Brazil, Uruguay and Argentina, as a cause of ontogenetic differences in parasite loads, considering its impact in the interpretation of migratory patterns when parasite assemblages are used as biological tags. A total of 254 specimens distributed into 8 samples (3 newly collected and 5 from previous study) with differences in mean length were examined for their metazoan parasites. Only long-lived parasites were used for comparisons between samples. A strong influence of fish length on the structure and composition of the parasite assemblages was observed across samples. Indeed, a clear pattern of similarity decay between parasite communities was evident as the differences in host length increased, demonstrating the importance of ontogenetic changes in the structure of parasites assemblages. On the other hand, differences in parasite assemblages were, most noticeably observed in young fish, indicating probable variations in migratory routes, distance traveled and/or latitude reached, depending on environmental conditions and age. Consequently, differences among fish length classes must be considered when using parasite tags for those resources with temporally and spatially variable migratory patterns, especially when different cohorts are compared.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ARGENTINE CROAKER
dc.subject
BIOLOGICAL TAGS
dc.subject
HOST AGE
dc.subject
HOST LENGTH
dc.subject
MIGRATIONS
dc.subject
PARASITE ASSEMBLAGES
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Ontogenetic asynchrony in fish migrations may lead to disparate parasite assemblages: Implications for its use as biological tags
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-06T18:39:33Z
dc.journal.volume
239
dc.journal.number
105941
dc.journal.pagination
1-9
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Canel, Delfina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Levy, Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Braicovich, Paola Elizabeth. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Haimovici, Manuel. Universidade Federal do Rio Grande; Brasil
dc.description.fil
Fil: Timi, Juan Tomas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.journal.title
Fisheries Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.fishres.2021.105941
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0165783621000692
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