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A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic. / Coleman, Matt; Jenkins, Stuart; Garratt, Matthew et al.
In: ICES Journal of Marine Science, Vol. 80, No. 4, fsac234, 05.2023, p. 911-922.

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Coleman M, Jenkins S, Garratt M, Hold N, Bloor I, Porter J et al. A standardized assessment of geographic variation in size at maturity of European lobster (Homarus gammarus L.) in the North East Atlantic. ICES Journal of Marine Science. 2023 May;80(4):911-922. fsac234. Epub 2023 Feb 21. doi: https://doi.org/10.1093/icesjms/fsac234

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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 - https://doi.org/10.1093/icesjms/fsac234

DO - https://doi.org/10.1093/icesjms/fsac234

M3 - Article

VL - 80

SP - 911

EP - 922

JO - ICES Journal of Marine Science

JF - ICES Journal of Marine Science

SN - 1054-3139

IS - 4

M1 - fsac234

ER -