| Publication Type: | Book Chapter |
| Year of Publication: | 2007 |
| Authors: | G. ¡a C. de Le niz, Fleming, I. A., Einum, S., Verspoor, E., Consuegra, S., Jordan, W. C., Aubin-Horth, N., Lajus, D. L., Villanueva, B., Ferguson, A., Youngson, A. F., Quinn, T. P. |
| Editor: | E. Verspoor, Stradmeyer, L., Nielsen, J. |
| Book Title: | The Atlantic Salmon: Genetics, Conservation and Management |
| Pagination: | 200-239 |
| Publisher: | Blackwell |
| City: | Oxford |
| Keywords: | ADAPTATION, ADAPTIVE, ADULT, ADULTS, ATLANTIC SALMON, CONSERVATION, GENETIC, GENETICS, HATCHING, JUVENILE, JUVENILES, LOCAL ADAPTATION, LOCAL ADAPTATIONS, MANAGEMENT, POPULATION, POPULATIONS, RIVER, RIVERS, SALMO, SALMO SALAR, SALMON |
| Abstract: | The tendency of salmon, Salmo salar, to return from the sea to the river of hatching and form 'local populations' has apparently been known for a long time (Calderwood 1908). Writing in 1653, Izaak Walton described how juveniles marked with ribbons tied to their tails were later recaptured as adults in their home river. Since no two rivers are completely identical, salmon returning to spawn in different rivers will, with time, give rise to different strains or 'races' (Huntsman 1941). Those races, so the story goes, are presumably the ones best 'adapted' to the local river conditions. But, is this really the case? And if so, what are local salmon adapted to? And perhaps more importantly, why should we care about it? In this chapter we will examine the evidence for (and against) the existence of local adaptations in Atlantic salmon, in particular those studies that have become available during the last decade, since Taylor (1991) reviewed this subject. We will also consider the implications of adaptive variation for the management and conservation of Atlantic salmon populations. But first we must define what we mean by 'adaptation'. |
| Reprint Edition: | IN FILE |