Fig. 3
From: Seasonal habitat use and diel vertical migration in female spurdog in Nordic waters
Individual differences in diel vertical migration (DVM) behaviour across a year. Colours indicate tagging years (2019-blue, 2020-green, 2021-yellow, 2022-red). A Overall proportion of DVM behaviour displayed on a given Julian day based on B. B Occurrence of significant DVM behaviour for each shark by Julian day. Dark bands denote days identified as showing predominantly significant DVM behaviour (based on significant 24h period in wavelet power), while light bands refer to days at which this is not the case. Coloured vertical lines present the Julian day of tagging. Data gaps due to different deployment durations are shown in white. C Global, scale-averaged periodogram indicating the overall wavelet power for each shark averaged for the entire deployment period. Only significant (p ≤ 0.05) powers are shown without transparency. D Dendrogram indicating the dissimilarity between individuals based on Euclidean distance of p-values for the 24h-period