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Biol Rev Camb Philos Soc


Title:Olfactory navigation during spawning migrations: a review and introduction of the Hierarchical Navigation Hypothesis
Author(s):Bett NN; Hinch SG;
Address:"Department of Forest and Conservation Sciences, University of British Columbia, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada"
Journal Title:Biol Rev Camb Philos Soc
Year:2016
Volume:20150428
Issue:3
Page Number:728 - 759
DOI: 10.1111/brv.12191
ISSN/ISBN:1469-185X (Electronic) 0006-3231 (Linking)
Abstract:"Migrations are characterized by periods of movement that typically rely on orientation towards directional cues. Anadromous fish undergo several different forms of oriented movement during their spawning migration and provide some of the most well-studied examples of migratory behaviour. During the freshwater phase of the migration, fish locate their spawning grounds via olfactory cues. In this review, we synthesize research that explores the role of olfaction during the spawning migration of anadromous fish, most of which focuses on two families: Salmonidae (salmonids) and Petromyzontidae (lampreys). We draw attention to limitations in this research, and highlight potential areas of investigation that will help fill in current knowledge gaps. We also use the information assembled from our review to formulate a new hypothesis for natal homing in salmonids. Our hypothesis posits that migrating adults rely on three types of cues in a hierarchical fashion: imprinted cues (primary), conspecific cues (secondary), and non-olfactory environmental cues (tertiary). We provide evidence from previous studies that support this hypothesis. We also discuss future directions of research that can test the hypothesis and further our understanding of the spawning migration"
Keywords:*Animal Migration Animals Lampreys/*physiology Olfactory Perception/*physiology Salmonidae/*physiology Oncorhynchus Salmo chemosensory dispersal electrophysiology imprinting pheromones philopatry salmon trout;
Notes:"MedlineBett, Nolan N Hinch, Scott G eng Review England 2015/04/30 Biol Rev Camb Philos Soc. 2016 Aug; 91(3):728-59. doi: 10.1111/brv.12191. Epub 2015 Apr 28"

 
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