Figure 2
From: Estimating Natural Mortality of Atlantic Bluefin Tuna Using Acoustic Telemetry

Locations of acoustic detections in Canadian waters including Vemco receivers on moorings, and small detectors on electronically tagged Grey seals and wave gliders. This map was generated in ESRI ArcMap software (Version:10.3.1 & http://desktop.arcgis.com/en/arcmap/10.3/main/get-started/whats-new-in-arcgis-1031.htm).