Analysis of Growth Marks in Calcified Structures

Brophy, Deirdre

doi:10.1016/b978-0-12-397003-9.00008-4

Cited by 5 publications

(3 citation statements)

References 138 publications

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“…Our results indicate that salinity can act as a major factor influencing the somatic and otolith growth of herring. In general, highest otolith and somatic growth were observed for larvae at 16 psu which is in accordance with other studies showing the positive effect of intermediate salinities on the growth (Boeuf and Payan, 2001), oxygen consumption (Berg et al, 2020a), or fertilization (Berg et al, 2019). The studies concluded that osmoregulation is less resource demanding at intermediate salinities allowing for larger growth.…”

Section: Discussionsupporting

confidence: 90%

Comparison of Otolith Microstructure of Herring Larvae and Sibling Adults Reared Under Identical Early Life Conditions

et al. 2020

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Atlantic herring (Clupea harengus) is a euryhaline species, occupying fully marine habitats (35 psu) in the North Atlantic, as well as brackish waters (<20 psu) such as in the adjacent Baltic Sea. We co-reared Atlantic purebreds and Atlantic/Baltic F1 hybrids in two salinity regimes (16 and 35 psu) in a common garden experiment for 3 years until their first maturity. This setup enabled for the first time a direct comparison between adults and their larval siblings at respective salinity regimes in terms of larval growth indicated by otolith microstructure. We validated that otolith microstructure analysis of adult otoliths is reflecting the experienced otolith growth during the larval stage. No major selection in terms of otolith growth had taken place during the juvenile stage, except for one experimental group. Surviving adult Atlantic purebreds reared at 16 psu had higher otolith growth compared to their larval stages. The validation that otolith microstructure analyses of adult herring can reliably be extracted and used to examine larval growth even after several years adds strong support for further use of such analyses. Among the parental generation, Baltic herring had a faster initial otolith growth than Atlantic herring. The growth of their laboratory-reared F1 progeny was intermediate compared to their parents. In general, larval growth of both Atlantic purebreds and Atlantic/Baltic hybrids reared in 16 psu was significantly larger than for those herring reared at 35 psu. There was no significant difference in larval growth between Atlantic purebreds and Atlantic/Baltic hybrids reared at 35 psu, but hybrid larval growth was significantly higher compared to larval growth of Atlantic purebreds at 16 psu. This was not reflected at the adult stage where purebreds were ultimately larger than hybrids (Berg et al., 2018). This indicates the influence and importance of environmental and genetic factors throughout the life of Atlantic herring, along with genetic contributions to phenotypic variability.

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Section: Discussionsupporting

confidence: 90%

Comparison of Otolith Microstructure of Herring Larvae and Sibling Adults Reared Under Identical Early Life Conditions

et al. 2020

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“…Validated daily formation of microincrements can contribute to identification of the first annulus (Brophy, 2014; Campana, 2001; Morales‐Nin, 2000). Daily periodicity of microincrement formation we observed in otoliths of juvenile P. punctatus (age‐0) was not experimentally validated, so further age validation is needed (Campana, 2001).…”

Section: Discussionmentioning

confidence: 99%

Life history and stock synthesis assessment of Prionotus punctatus (Teleostei, Triglidae) in southern Brazil

Rodriguez

Haimovici

Kikuchi

et al. 2023

Fisheries Management Eco

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Age, growth, and maturity of the bluewing searobin Prionotus punctatus were studied to assess its stock status in southern Brazil. Total length compositions, weight, sex, and maturity stage were recorded from commercial landings, and ages were estimated from transverse sections of the sagittal otolith. The oldest observed specimen was a 12-year-old female. Females grew to a larger asymptotic length (L ∞ = 384.4 mm) than males (L ∞ = 311.7 mm) but at a slower instantaneous rate (k females = 0.41 year −1 , k males = 0.75 year −1 ). Reproduction occurred from spring to early fall. Females sizeand age-at-maturity was estimated at 246.8 mm and 1.66 years, while males were at 237.2 mm and 1.38 years. Based on a statistical catch-at-age stock assessment, the spawning biomass declined 84% from 1976 to 2000 being classified as overfished and suffering from overfishing (B/B msy = 0.62; F/ Fmsy >1). P. punctatus was regularly discarded by industrial fisheries before 2000 but suffered from high exploitation in the last decades. These results highlight the need for the species to be included in Brazil's fishery management plans.

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“…Biochronology techniques use measurements of periodic increments (e.g., annual increments) formed on calcified structures (scales or otoliths) as a proxy of somatic growth (Brophy, 2014).…”

Section: Introductionmentioning

confidence: 99%

Higher growth variability and stronger responses to temperature changes in wild than hatchery‐reared sea trout (Salmo truttaL.)

Lejk

Smoliński

Radtke

et al. 2021

Ecology and Evolution

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Analysis of Growth Marks in Calcified Structures

Cited by 5 publications

References 138 publications

Comparison of Otolith Microstructure of Herring Larvae and Sibling Adults Reared Under Identical Early Life Conditions

Comparison of Otolith Microstructure of Herring Larvae and Sibling Adults Reared Under Identical Early Life Conditions

Life history and stock synthesis assessment of Prionotus punctatus (Teleostei, Triglidae) in southern Brazil

Higher growth variability and stronger responses to temperature changes in wild than hatchery‐reared sea trout (Salmo truttaL.)

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