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A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)

The growth of Mullus barbatus has been widely studied using different methods, but no previous study has focused on age validation. The uncertainty in estimating the age of the red mullet by otolith reading is linked to the number of false-growth increments laid down before the annulus. The capture...

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Autores principales: Carbonara, Pierluigi, Intini, Simona, Kolitari, Jerina, Joksimović, Aleksandar, Milone, Nicoletta, Lembo, Giuseppe, Casciaro, Loredana, Bitetto, Isabella, Zupa, Walter, Spedicato, Maria Teresa, Sion, Letizia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6125484/
https://www.ncbi.nlm.nih.gov/pubmed/30185811
http://dx.doi.org/10.1038/s41598-018-30872-1
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author Carbonara, Pierluigi
Intini, Simona
Kolitari, Jerina
Joksimović, Aleksandar
Milone, Nicoletta
Lembo, Giuseppe
Casciaro, Loredana
Bitetto, Isabella
Zupa, Walter
Spedicato, Maria Teresa
Sion, Letizia
author_facet Carbonara, Pierluigi
Intini, Simona
Kolitari, Jerina
Joksimović, Aleksandar
Milone, Nicoletta
Lembo, Giuseppe
Casciaro, Loredana
Bitetto, Isabella
Zupa, Walter
Spedicato, Maria Teresa
Sion, Letizia
author_sort Carbonara, Pierluigi
collection PubMed
description The growth of Mullus barbatus has been widely studied using different methods, but no previous study has focused on age validation. The uncertainty in estimating the age of the red mullet by otolith reading is linked to the number of false-growth increments laid down before the annulus. The capture of red mullets in the early life stage allowed us to estimate their size at the metamorphosis from the pelagic to the demersal phase. The comparison between the metamorphosis size and the back-calculated length of the first growth increment clarified the position of the false growth increment on the otolith. Moreover, the analyses of the otolith marginal increments in adult and juvenile specimens allowed us to define the deposition patterns of their annuli. The modal components of the length–frequency distribution analysis (LFDA) were identified in the winter survey (ELEFAN and Bhattacharya methods), and they did not show significant differences from the length back-calculation of the annuli. Moreover, no significant differences were found between the growth curves calculated by otolith reading (back-calculation and direct otolith reading) and the LFDA. The agreement between the length–frequency results and the otolith age estimation either corroborated or indirectly validated the growth pattern estimated in the otoliths of the red mullet, mainly when the direct validation methods (e.g. mark-recapture, captivity, radiochemical) were difficult to implement, like the case of this species. The comparison of the results of the present work to previous Mediterranean studies showed agreement with the slow growth pattern.
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spelling pubmed-61254842018-09-10 A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean) Carbonara, Pierluigi Intini, Simona Kolitari, Jerina Joksimović, Aleksandar Milone, Nicoletta Lembo, Giuseppe Casciaro, Loredana Bitetto, Isabella Zupa, Walter Spedicato, Maria Teresa Sion, Letizia Sci Rep Article The growth of Mullus barbatus has been widely studied using different methods, but no previous study has focused on age validation. The uncertainty in estimating the age of the red mullet by otolith reading is linked to the number of false-growth increments laid down before the annulus. The capture of red mullets in the early life stage allowed us to estimate their size at the metamorphosis from the pelagic to the demersal phase. The comparison between the metamorphosis size and the back-calculated length of the first growth increment clarified the position of the false growth increment on the otolith. Moreover, the analyses of the otolith marginal increments in adult and juvenile specimens allowed us to define the deposition patterns of their annuli. The modal components of the length–frequency distribution analysis (LFDA) were identified in the winter survey (ELEFAN and Bhattacharya methods), and they did not show significant differences from the length back-calculation of the annuli. Moreover, no significant differences were found between the growth curves calculated by otolith reading (back-calculation and direct otolith reading) and the LFDA. The agreement between the length–frequency results and the otolith age estimation either corroborated or indirectly validated the growth pattern estimated in the otoliths of the red mullet, mainly when the direct validation methods (e.g. mark-recapture, captivity, radiochemical) were difficult to implement, like the case of this species. The comparison of the results of the present work to previous Mediterranean studies showed agreement with the slow growth pattern. Nature Publishing Group UK 2018-09-05 /pmc/articles/PMC6125484/ /pubmed/30185811 http://dx.doi.org/10.1038/s41598-018-30872-1 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Carbonara, Pierluigi
Intini, Simona
Kolitari, Jerina
Joksimović, Aleksandar
Milone, Nicoletta
Lembo, Giuseppe
Casciaro, Loredana
Bitetto, Isabella
Zupa, Walter
Spedicato, Maria Teresa
Sion, Letizia
A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)
title A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)
title_full A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)
title_fullStr A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)
title_full_unstemmed A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)
title_short A holistic approach to the age validation of Mullus barbatus L., 1758 in the Southern Adriatic Sea (Central Mediterranean)
title_sort holistic approach to the age validation of mullus barbatus l., 1758 in the southern adriatic sea (central mediterranean)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6125484/
https://www.ncbi.nlm.nih.gov/pubmed/30185811
http://dx.doi.org/10.1038/s41598-018-30872-1
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