Age and growth rate estimations of the commercially fished gastropod Buccinum undatum

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

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Age and growth rate estimations of the commercially fished gastropod Buccinum undatum. / Hollyman, Philip R.; Chenery, Simon R.N.; Leng, Melanie J. et al.
Yn: ICES Journal of Marine Science, Cyfrol 75, Rhif 6, 01.11.2018, t. 2129-2144.

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

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Hollyman, PR, Chenery, SRN, Leng, MJ, Laptikhovsky, VV, Colvin, CN & Richardson, CA 2018, 'Age and growth rate estimations of the commercially fished gastropod Buccinum undatum', ICES Journal of Marine Science, cyfrol. 75, rhif 6, tt. 2129-2144. https://doi.org/10.1093/icesjms/fsy100

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Hollyman PR, Chenery SRN, Leng MJ, Laptikhovsky VV, Colvin CN, Richardson CA. Age and growth rate estimations of the commercially fished gastropod Buccinum undatum. ICES Journal of Marine Science. 2018 Tach 1;75(6):2129-2144. Epub 2018 Gor 30. doi: 10.1093/icesjms/fsy100

Author

Hollyman, Philip R. ; Chenery, Simon R.N. ; Leng, Melanie J. et al. / Age and growth rate estimations of the commercially fished gastropod Buccinum undatum. Yn: ICES Journal of Marine Science. 2018 ; Cyfrol 75, Rhif 6. tt. 2129-2144.

RIS

TY - JOUR

T1 - Age and growth rate estimations of the commercially fished gastropod Buccinum undatum

AU - Hollyman, Philip R.

AU - Chenery, Simon R.N.

AU - Leng, Melanie J.

AU - Laptikhovsky, Vladimir V.

AU - Colvin, Charlotte N.

AU - Richardson, Christopher A.

PY - 2018/11/1

Y1 - 2018/11/1

N2 - Calculating age and growth rate for the commercially important whelk, Buccinum undatum in the aid of fishery management has historically been undertaken using growth rings on the organic operculum. This is difficult due to their poor readability and confusion between two different sets of growth lines present. Recent work presented the calcium carbonate statolith as an alternative for age determination of B. undatum. Here we compare the use of statoliths and opercula, comparing their readability and creating growth curves for three distinct populations across the United Kingdom. Using these data, we also test the most appropriate growth equation to model this species. Lastly, we use oxygen isotope analysis of the shells to assign accurate ages to several individuals from each site. These data were used to test the accuracy of statolith and operculum ages. Statoliths, whilst more time consuming to process have improved clarity and accuracy compared with the opercula. This improved readability has highlighted that a Gompertz growth function should be used for populations of this species, when in past studies, von Bertalanffy is often used. Statoliths are a viable improvement to opercula when assessing B. undatum in the context of fishery monitoring and management.

AB - Calculating age and growth rate for the commercially important whelk, Buccinum undatum in the aid of fishery management has historically been undertaken using growth rings on the organic operculum. This is difficult due to their poor readability and confusion between two different sets of growth lines present. Recent work presented the calcium carbonate statolith as an alternative for age determination of B. undatum. Here we compare the use of statoliths and opercula, comparing their readability and creating growth curves for three distinct populations across the United Kingdom. Using these data, we also test the most appropriate growth equation to model this species. Lastly, we use oxygen isotope analysis of the shells to assign accurate ages to several individuals from each site. These data were used to test the accuracy of statolith and operculum ages. Statoliths, whilst more time consuming to process have improved clarity and accuracy compared with the opercula. This improved readability has highlighted that a Gompertz growth function should be used for populations of this species, when in past studies, von Bertalanffy is often used. Statoliths are a viable improvement to opercula when assessing B. undatum in the context of fishery monitoring and management.

KW - Buccinum undatum

KW - age determination

KW - operculum

KW - oxygen isotope analysis

KW - statolith

U2 - 10.1093/icesjms/fsy100

DO - 10.1093/icesjms/fsy100

M3 - Article

VL - 75

SP - 2129

EP - 2144

JO - ICES Journal of Marine Science

JF - ICES Journal of Marine Science

SN - 1054-3139

IS - 6

ER -