A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic

Matt Coleman; Stuart Jenkins; Matthew Garratt; Natalie Hold; Isobel Bloor; Joanne Porter; Oliver Tully; Michael  Bell

doi:10.1093/icesjms/fsac234

A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic

Matt Coleman, Stuart Jenkins, Matthew Garratt, Natalie Hold, Isobel Bloor, Joanne Porter, Oliver Tully, Michael Bell

Ysgol Gwyddorau Eigion

Heriot-Watt University

Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

99 Wedi eu Llwytho i Lawr (Pure)

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This study collates existing data on physiological maturity of female European Lobster Homarus gammarus across the North East Atlantic, together with new data from Orkney, Wales, and the Isle of Man. Using a standardised methodology, physiological estimates of size at maturity were undertaken using 1,309 lobsters from eleven locations. Size at 50% maturity varied between populations, ranging from 81.3 -94.1mm carapace length. Generalised Additive Models were used to characterise geographic patterns in size at maturity. Optimum monthly sea surface temperature (OPTIMNTH) had a significant and non-linear effect on the probability of being sexually mature at a given size in different populations. This is consistent with a thermal optimum previously demonstrated in absolute growth.

Iaith wreiddiol	Saesneg
Rhif yr erthygl	fsac234
Tudalennau (o-i)	911-922
Cyfnodolyn	ICES Journal of Marine Science
Cyfrol	80
Rhif cyhoeddi	4
Dyddiad ar-lein cynnar	21 Chwef 2023
Dynodwyr Gwrthrych Digidol (DOIs)	https://doi.org/10.1093/icesjms/fsac234
Statws	Cyhoeddwyd - Mai 2023

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10.1093/icesjms/fsac234Trwydded: CC BY

fsac234Fersiwn derfynol wedi’i chyhoeddi, 3.68 MBTrwydded: CC BY

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title = "A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic",

abstract = "This study collates existing data on physiological maturity of female European Lobster Homarus gammarus across the North East Atlantic, together with new data from Orkney, Wales, and the Isle of Man. Using a standardised methodology, physiological estimates of size at maturity were undertaken using 1,309 lobsters from eleven locations. Size at 50\% maturity varied between populations, ranging from 81.3 -94.1mm carapace length. Generalised Additive Models were used to characterise geographic patterns in size at maturity. Optimum monthly sea surface temperature (OPTIMNTH) had a significant and non-linear effect on the probability of being sexually mature at a given size in different populations. This is consistent with a thermal optimum previously demonstrated in absolute growth.",

author = "Matt Coleman and Stuart Jenkins and Matthew Garratt and Natalie Hold and Isobel Bloor and Joanne Porter and Oliver Tully and Michael Bell",

year = "2023",

month = may,

doi = "10.1093/icesjms/fsac234",

language = "English",

volume = "80",

pages = "911--922",

journal = "ICES Journal of Marine Science",

issn = "1054-3139",

publisher = "Oxford University Press",

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TY - JOUR

T1 - A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic

AU - Coleman, Matt

AU - Jenkins, Stuart

AU - Garratt, Matthew

AU - Hold, Natalie

AU - Bloor, Isobel

AU - Porter, Joanne

AU - Tully, Oliver

AU - Bell, Michael

PY - 2023/5

Y1 - 2023/5

N2 - This study collates existing data on physiological maturity of female European Lobster Homarus gammarus across the North East Atlantic, together with new data from Orkney, Wales, and the Isle of Man. Using a standardised methodology, physiological estimates of size at maturity were undertaken using 1,309 lobsters from eleven locations. Size at 50% maturity varied between populations, ranging from 81.3 -94.1mm carapace length. Generalised Additive Models were used to characterise geographic patterns in size at maturity. Optimum monthly sea surface temperature (OPTIMNTH) had a significant and non-linear effect on the probability of being sexually mature at a given size in different populations. This is consistent with a thermal optimum previously demonstrated in absolute growth.

AB - This study collates existing data on physiological maturity of female European Lobster Homarus gammarus across the North East Atlantic, together with new data from Orkney, Wales, and the Isle of Man. Using a standardised methodology, physiological estimates of size at maturity were undertaken using 1,309 lobsters from eleven locations. Size at 50% maturity varied between populations, ranging from 81.3 -94.1mm carapace length. Generalised Additive Models were used to characterise geographic patterns in size at maturity. Optimum monthly sea surface temperature (OPTIMNTH) had a significant and non-linear effect on the probability of being sexually mature at a given size in different populations. This is consistent with a thermal optimum previously demonstrated in absolute growth.

U2 - 10.1093/icesjms/fsac234

DO - 10.1093/icesjms/fsac234

M3 - Article

SN - 1054-3139

VL - 80

SP - 911

EP - 922

JO - ICES Journal of Marine Science

JF - ICES Journal of Marine Science

IS - 4

M1 - fsac234

ER -

A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic

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