Proportions of archival NEA cod otoliths from each age class collected in the Barents Sea and at the Lofoten spawning grounds between 1932 and 2015, aggregated by decade.
figureposted on 2021-09-13, 17:25 authored by Côme Denechaud, Audrey J. Geffen, Szymon Smoliński, Jane A. Godiksen
Thick black line represents the average fishing mortality from ages 5 to 10.
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routinely recorded outsiderecent experimental studiesphysiological processes behindlarge archival collectioninvestigate temporal changesdifferent life historyrepresent spawning eventsspawning zones likelyspawning zones couldspawning zones appearfirst spawning eventsaccurately record maturityotolith spawning zonesnortheast arctic codspawning ?</ pgonad maturity stagesotolith &# 8220spawning zones&# 8220otolith macrostructuregonad examinationsfirst examinedsexual maturityyear laguniversal traitstudy showsresults illustratepreviously proposedmigratory behaviorsgeneral characteristicenvironmental traitsenergy partitioningcertain environmentsatlantic codage derived