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dc.contributor.author
Maichak De Carvalho, Barbara
dc.contributor.author
Spach, Henry Louis
dc.contributor.author
Vaz Dos Santos, André Martins
dc.contributor.author
Volpedo, Alejandra
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dc.date.available
2021-11-26T14:29:04Z
dc.date.issued
2019-11
dc.identifier.citation
Maichak De Carvalho, Barbara; Spach, Henry Louis; Vaz Dos Santos, André Martins; Volpedo, Alejandra; Otolith shape index: Is it a tool for trophic ecology studies?; Cambridge University Press; Journal of the Marine Biological Association of the United Kingdom; 99; 7; 11-2019; 1675-1682
dc.identifier.issn
0025-3154
dc.identifier.uri
http://hdl.handle.net/11336/147496
dc.description.abstract
The aim of this study was to test the effective separation of shape indices of otoliths of three species belonging to the family Sciaenidae before and after in vitro digestion. We measured 328 sagittal otoliths and applied six shape indices. Before the experiment, the aspect ratio (otolith height/otolith length%), circularity, ellipticity and relative surface of the sulcus acusticus were suitable for differentiating the species of genera Paralonchurus and Stellifer. Among the species of Stellifer, the aspect ratio and rectangularity were suitable. Otoliths exposed to in vitro digestion showed no significant differences in their morphometry before and after the experiment. After in vitro digestion, the aspect ratio and circularity were effective in separating Paralonchurus and Stellifer. However, none of the indices used in the present study were efficient to separate otoliths of congeneric species after in vitro digestion.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Cambridge University Press
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
IN VITRO DIGESTION
dc.subject
SCIAENIDAE
dc.subject
SHAPE
dc.subject
TROPHIC ECOLOGY
dc.subject.classification
Pesca
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Otolith shape index: Is it a tool for trophic ecology studies?
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-19T21:47:28Z
dc.identifier.eissn
1469-7769
dc.journal.volume
99
dc.journal.number
7
dc.journal.pagination
1675-1682
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Maichak De Carvalho, Barbara. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Spach, Henry Louis. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Vaz Dos Santos, André Martins. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Volpedo, Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Unidad Ejecutora de Investigaciones en Producción Animal. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Unidad Ejecutora de Investigaciones en Producción Animal; Argentina
dc.journal.title
Journal of the Marine Biological Association of the United Kingdom
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/product/identifier/S0025315419000729/type/journal_article
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1017/S0025315419000729
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