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. 2018 Jun 21;6:9. doi: 10.1186/s40462-018-0127-3

Fig. 1.

Fig. 1

State dependent conditional densities of Overall Dynamic Body Acceleration (ODBA) values for blacktip reef sharks (BTA-D) and grey reef sharks (GRA-D). Sharks were fitted with accelerometers for periods of 3–5 days. State 1 is a low activity state, while state 2 is a high activity state. The y-axis is the density of the estimated state-dependent probability density functions, weighted by the proportion of observations that correspond to each state. The marginal density is the sum of the weighted-state dependent densities