Bradshaw, W. E. & Holzapfel, C. M. Evolution of animal photoperiodism. Annu. Rev. Ecol. Evol. System. 2007, 1–25 (2007).
Google Scholar
Way, M., Hopkins, B. & Smith, P. Photoperiodism and diapause in insects. Nature 164, 615–615 (1949).
Google Scholar
Bromage, N., Porter, M. & Randall, C. Reproductive Biotechnology in Finfish Aquaculture 63–98 (Elsevier, 2001).
Google Scholar
Weil, Z. M. & Crews, D. Photoperiodism in Amphibians and Reptiles (ed. Nelson, R. J. et al.) 399–419 (Oxford University Press, 2010).
Vera, L., Davie, A., Taylor, J. & Migaud, H. Differential light intensity and spectral sensitivities of Atlantic salmon, European sea bass and Atlantic cod pineal glands ex vivo. Gen. Comp. Endocrinol. 165, 25–33 (2010).
Google Scholar
Smith, K. A., Schoen, M. W. & Czeisler, C. A. Adaptation of human pineal melatonin suppression by recent photic history. J. Clin. Endocrinol. Metabol. 89, 3610–3614 (2004).
Google Scholar
Refinetti, R. Enhanced circadian photoresponsiveness after prolonged dark adaptation in seven species of diurnal and nocturnal rodents. Physiol. Behav. 90, 431–437 (2007).
Google Scholar
Chang, A.-M., Scheer, F. A. & Czeisler, C. A. The human circadian system adapts to prior photic history. J. Physiol. 589, 1095–1102 (2011).
Google Scholar
Aschoff, J. & Daan, S. Human time perception in temporal isolation: Effects of illumination intensity. Chronobiol. Int. 14, 585–596 (1997).
Google Scholar
Tast, A. et al. The photophase light intensity does not affect the scotophase melatonin response in the domestic pig. Anim. Reprod. Sci. 65, 283–290 (2001).
Google Scholar
Migaud, H. et al. A comparative ex vivo and in vivo study of day and night perception in teleosts species using the melatonin rhythm. J. Pineal Res. 41, 42–52 (2006).
Google Scholar
Nisembaum, L. G., Martin, P., Lecomte, F. & Falcón, J. Melatonin and osmoregulation in fish: A focus on Atlantic salmon Salmo salar smoltification. J. Neuroendocrinol. 33, e12955 (2021).
Google Scholar
Iigo, M. et al. Lack of circadian regulation of in vitro melatonin release from the pineal organ of salmonid teleosts. Gen. Comp. Endocrinol. 154, 91–97 (2007).
Google Scholar
Iigo, M., Azuma, T. & Iwata, M. Lack of circadian regulation of melatonin rhythms in the sockeye salmon (Oncorhynchus nerka) in vivo and in vitro. Zool. Sci. 24, 67–70 (2007).
Google Scholar
Huang, T., Ruoff, P. & Fjelldal, P. G. Diurnal expression of clock genes in pineal gland and brain and plasma levels of melatonin and cortisol in Atlantic salmon parr and smolts. Chronobiol. Int. 27, 1697–1714 (2010).
Google Scholar
Fjelldal, P. G., Hansen, T. & Huang, T. Continuous light and elevated temperature can trigger maturation both during and immediately after smoltification in male Atlantic salmon (Salmo salar). Aquaculture 321, 93–100 (2011).
Google Scholar
Leclercq, E., Taylor, J., Sprague, M. & Migaud, H. The potential of alternative lighting-systems to suppress pre-harvest sexual maturation of 1+ Atlantic salmon (Salmo salar) post-smolts reared in commercial sea-cages. Aquacult. Eng. 44, 35–47 (2011).
Google Scholar
Fjelldal, P. G. et al. Development of supermale and all-male Atlantic salmon to research the vgll3 allele-puberty link. BMC Genet. 21, 1–13 (2020).
Google Scholar
Ricker, W. E. Computation and interpretation of biological statistics of fish populations. Bull. Fisher. Res. 191, 1–382 (1975).
Fjelldal, P. G. et al. Sexual maturation and smoltification in domesticated Atlantic salmon (Salmo salar L.)-is there a developmental conflict?. Physiol. Rep. 6, e13809 (2018).
Google Scholar
Brooks, M. E. et al. glmmTMB balances speed and flexibility among packages for. R J. 9, 378–400 (2017).
Google Scholar
Lenth, R. emmeans: Estimated Marginal Means, Aka Least-Squares Means. R package version 1. 4. 3. 01 (2019).
Bates, D., Mächler, M., Bolker, B. & Walker, S. Fitting linear mixed-effects models using lme4. J. Stat. Softw. 67, 1–48 (2015).
Google Scholar
Huang, T., Ruoff, P. & Fjelldal, P. G. Effect of continuous light on daily levels of plasma melatonin and cortisol and expression of clock genes in pineal gland, brain, and liver in Atlantic salmon postsmolts. Chronobiol. Int. 27, 1715–1734 (2010).
Google Scholar
Davie, A., Minghetti, M. & Migaud, H. Seasonal variations in clock-gene expression in Atlantic salmon (Salmo salar). Chronobiol. Int. 26, 379–395 (2009).
Google Scholar
Max, M. & Menaker, M. Regulation of melatonin production by light, darkness, and temperature in the trout pineal. J. Comp. Physiol. Part A 170, 479–489 (1992).
Google Scholar
Randall, C. & Bromage, N. Photoperiodic history determines the reproductive response of rainbow trout to changes in daylength. J. Comp. Physiol. Part A 183, 651–660 (1998).
Google Scholar
Randall, C., Bromage, N., Duston, J. & Symes, J. Photoperiod-induced phase-shifts of the endogenous clock controlling reproduction in the rainbow trout: A circannual phase-response curve. Reproduction 112, 399–405 (1998).
Google Scholar
Duston, J. & Bromage, N. Photoperiodic mechanisms and rhythms of reproduction in the female rainbow trout. Fish Physiol. Biochem. 2, 35–51 (1986).
Google Scholar
Duston, J. & Bromage, N. Circannual rhythms of gonadal maturation in female rainbow trout (Oncorhynchus mykiss). J. Biol. Rhythms 6, 49–53 (1991).
Google Scholar
Taranger, G. L. et al. Abrupt changes in photoperiod affect age at maturity, timing of ovulation and plasma testosterone and oestradiol-17β profiles in Atlantic salmon, Salmo salar. Aquaculture 162, 85–98 (1998).
Google Scholar
Melo, M. C. et al. Salinity and photoperiod modulate pubertal development in Atlantic salmon (Salmo salar). J. Endocrinol. 220, 319–332 (2014).
Google Scholar
Hansen, T. J., Fjelldal, P. G., Folkedal, O., Vågseth, T. & Oppedal, F. Effects of light source and intensity on sexual maturation, growth and swimming behaviour of Atlantic salmon in sea cages. Aquac. Environ. Interact. 9, 193–204 (2017).
Google Scholar
Oppedal, F., Taranger, G. L., Juell, J.-E., Fosseidengen, J. E. & Hansen, T. Light intensity affects growth and sexual maturation of Atlantic salmon (Salmo salar) postsmolts in sea cages. Aquat. Living Resour. 10, 351–357 (1997).
Google Scholar
Harvey, A. C. et al. Inferring Atlantic salmon post-smolt migration patterns using genetic assignment. R. Soc. Open Sci. 6, 190426 (2019).
Google Scholar
Anderson, J. J., Gurarie, E., Bracis, C., Burke, B. J. & Laidre, K. L. Modeling climate change impacts on phenology and population dynamics of migratory marine species. Ecol. Model. 264, 83–97 (2013).
Google Scholar
Ljungstrӧm, G., Langbehn, T. J. & Jørgensen, C. Light and energetics at seasonal extremes limit poleward range shifts. Nat. Clim. Chang. 11, 530–536 (2021).
Google Scholar
Naish, K. A. & Hard, J. J. Bridging the gap between the genotype and the phenotype: Linking genetic variation, selection and adaptation in fishes. Fish Fish. 9, 396–422 (2008).
Google Scholar
Lehnert, S. J. et al. Genomic signatures and correlates of widespread population declines in salmon. Nat. Commun. 10, 1–10 (2019).
Google Scholar
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