research articleEffects of altered photoperiod regimes during winter on growth and gonadosomatic index in Arctic charr ( Salvelinus alpinus ) reared in freshwaterAquaculture Research (2019-12-29)https://doi.org/10.1111/are.14481cc-by 2 Akvaplan-niva (current employee)Authors (3)Atle Foss Sten I. SiikavuopioAlbert K. D. Imsland Download PDF