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Journal of Animal Ecology 2016, 85, 628–637
doi: 10.1111/1365-2656.12458
Temperature-associated habitat selection in a cold-water marine fish Carla Freitas1,2,3*, Esben M. Olsen1,2,4, Halvor Knutsen1,2,4, Jon Albretsen2 and Even Moland1,2 1
Centre for Coastal Research (CCR), Department of Natural Sciences, University of Agder, Post Box 422, Kristiansand 4604, Norway; 2Institute of Marine Research, His 4817, Norway; 3Centre of Marine and Environmental Research of Madeira (CIIMAR-Madeira), Edif. Madeira Tecnopolo, Caminho da Penteada, Funchal 9020-105, Portugal; and 4Centre for Ecological and Evolutionary Syntheses (CEES), Department of Biosciences, University of Oslo, PO Box 1066 Blindern, Oslo 0316, Norway
Summary 1. Habitat selection is a complex process, which involves behavioural decisions guided by the multiple needs and constraints faced by individuals. Climate-induced changes in environmental conditions may alter those trade-offs and resulting habitat use patterns. 2. In this study, we investigated the effect of sea temperature on habitat selection and habitat use of acoustically tagged Atlantic cod (Gadus morhua) at the Norwegian Skagerrak coast. 3. Significant relationships between ocean temperature and habitat selection and use were found. Under favourable sea temperature thresholds (
