Fig. 4From: Coupling spectral analysis and hidden Markov models for the segmentation of behavioural patternsSpectral signature and activity levels associated to each behavioural states of the fitted five-state HMM for all individuals pooled together at each site. The orange and blue dotted lines indicate the diurnal and tidal periodicities, respectively. a Capbreton. b Dunkirk. c La Turballe. d Saint-QuayBack to article page