Measurement of the Growth of the Main Commercial Rays (Raja clavata, Raja brachyura, Torpedo marmorata, Dipturus oxyrinchus) in European Waters Using Intercalibration Methods
Type | Article | ||||||||
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Date | 2024-01 | ||||||||
Language | English | ||||||||
Author(s) | Bellodi Andrea1, 2, Carbonara Pierluigi3, Mackenzie Kirsteen4, Agus Blondine1, 2, Bekaert Karen5, Greenway Eleanor S. I.6, Follesa Maria C.2, Madia Manfredi2, 7, Massaro Andrea8, Palmisano Michele3, Romano Chiara9, Sinopoli Mauro7, Ferragut-Perello Francesca10, Mahé Kelig4 | ||||||||
Affiliation(s) | 1 : Stazione Zoologica Anton Dohrn, Contrada Porticatello 29, 98167 Messina, Italy 2 : Department of Life and Environmental Sciences, University of Cagliari, 09126 Cagliari, Italy 3 : Fondazione COISPA ETS, Via dei Trulli 18/20, 70126 Bari, Italy 4 : Ifremer, Fisheries Laboratory, Channel and North Sea Fisheries Research Unit, 62200 Boulogne-sur-Mer, France 5 : ILVO—Flanders Research Institute for Agriculture, Fisheries and Food, 8400 Oostende, Belgium 6 : Aquaculture and Fisheries Group, Wageningen University and Research, 6708 PB Wageningen, The Netherlands 7 : SZN—Sicily Marine Centre, Lungomare Cristoforo Colombo 4521, 90149 Palermo, Italy 8 : APLYSIA—Ricerche Applicate all’Ecologia e alla Biologia Marina, 57128 Livorno, Italy 9 : Department of Biology, Ecology and Earth Science, University of Calabria, Via Pietro Bucci, 87036 Arcavacata di Rende, Italy 10 : Centre Oceanogràfic de les Balears (COB-IEO), CSIC, Moll de Ponent s/n, 07015 Palma, Spain |
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Source | Biology-basel (2079-7737) (MDPI AG), 2024-01 , Vol. 13 , N. 1 , P. 20 (15p.) | ||||||||
DOI | 10.3390/biology13010020 | ||||||||
Note | This article belongs to the Section Conservation Biology and Biodiversity | ||||||||
Keyword(s) | growth, precision, accuracy, batoids | ||||||||
Abstract | The intercalibration of age readings represents a crucial step in the ageing procedure; the use of different sampling methods, structures, preparation techniques, and ageing criteria can significantly affect age and growth data. This study evaluated the precision and accuracy of ageing for the most important North Atlantic (NA) and Mediterranean (M) ray species, Raja clavata, Raja brachyura, Torpedo marmorata, and Dipturus oxyrinchus, through exchange exercises carried out by readers from different laboratories. In addition, growth parameters were estimated from the obtained data. A total of 663 individual batoids were analysed. R. clavata and R. brachyura samples were obtained from both the NA and the M, while vertebral centra of T. marmorata and D. oxyrinchus were only available for the M. High reading variability was observed for all four evaluated species in terms of CV, APE, and PA. D. oxyrinchus and T. marmorata showed relatively slow growth and the von Bertalanffy model with fixed t0 and Gompertz’s model were, respectively, the most precise models for each of these species. In R. brachyura, females had a faster growth rate compared to combined sexes. The vbt0p proved the most precise model for describing growth in this species, and no statistical differences were found between the NO and the M. For R. clavata, the best-fitting model was the vbt0p for females and males in the NO and for females from the M, while the best-fitting model for males from the M and sexes combined for both areas was log.p. Distinct growth patterns were observed between the two study areas. |
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