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Figure 2

From: Changes in the acoustic activity of beaked whales and sperm whales recorded during a naval training exercise off eastern Canada

Figure 2

Number of hours per day with echolocation clicks from sperm whales (SW), Cuvier’s beaked whales (CBW), unidentified Mesoplodont beaked whales (UMBW), and sonar signals at the Station 5 recording site in 2015 and 2016. Dark grey shading in August 2015 indicates the period with no data available; light grey shading on the sonar plot indicates periods not analyzed for the presence of sonar signals. The solid red box delineates the period with sonar detections in 2016; the dashed box delineates the corresponding control period in 2015.

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