Reproductive and condition status of “cold water” marine fish: new insights from a changing environment

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Exploited marine fish species with an affinity for cold waters inhabiting close to the warmer edge of their distribution area are exposed to stress caused by fishing and climate change. Three case studies of “cold water species” were selected (Argentina sphyraena, Micromesistius poutassou and Merluccius merluccius) and, in each case, various biological traits – including the factors regulating early oogenesis, reproductive tactics, physical condition, parasitism and energy allocation trade-offs – were examined. Overall, the main findings support the idea that species-specific biological traits and plasticity influence population’s sensitivity and response to external stressors. This thesis contributes to the improvement of egg production estimation methods and to the understanding of fundamental biological mechanisms and their variability ​
​L'accés als continguts d'aquesta tesi queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons: http://creativecommons.org/licenses/by-nc-nd/4.0/

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