Figure 6
From: First basin scale spatial–temporal characterization of underwater sound in the Mediterranean Sea
Average vessel density (here calculated in a 25 km square with the hydrophone position as a centre) per monitoring station for (a) a calendar year period (01/04/2020–31/03/2021), April 2020 (here considered as the most affected by COVID-19 induced lockdown) and April 2021 for comparison; (b) for the spring–summer (01/04/2020–30/09/2020) and autumn–winter (01/10/2020–31/03/2021) periods. MS1 Venice (IT); MS2 Rimini (IT); MS3 Ancona (IT); MS4 Trieste (IT); MS5 Susak Lošinj (HR); MS6 Lošinj (HR); MS7 Žirje (HR); MS8 Split (HR); MS9 Ivana D (HR).
