Browsing Master's theses (INA) by Author "Johnsen, Sara Egenes"

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To migrate or not to migrate - that`s the question : why do rudd (Scardinius erythrophthalmus) in the Storelva system migrate to Sandnesfjorden?

Johnsen, Sara Egenes (Master thesis, 2013-09-05)

Migration is a common behaviour in many species and the duration and migration distance vary among species. The occurrence of migration has been related to a gain in fitness through feeding, refuge and spawning benefits, ...