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Parasites of Northeast Arctic cod (Gadus morhua) in the Barents Sea: effects on reproduction
(Master thesis; Mastergradsoppgave, 2017-07-15)
Parasites play a key role in the biodiversity and dynamics of an ecosystem, either by affecting host mortality and/or host reproduction. Spawning comes with a great cost in time and energy, and in times of poor conditions this time and energy is better directed into growth and survival to increase future success. The phenomenon of skipped spawning, where sexually mature fish skip a reproductive ...