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A marine mammal survey evaluates the distribution, abundance, and behavior of cetaceans (whales, dolphins, porpoises) and pinnipeds (seals, sea lions). Methods include visual line-transect surveys (boat and digital aerial), passive acoustic monitoring (hydrophones), and eDNA water sampling.
A marine mammal survey evaluates the distribution, abundance, and behavior of cetaceans (whales, dolphins, porpoises) and pinnipeds (seals, sea lions). Methods include visual line-transect surveys (boat and digital aerial), passive acoustic monitoring (hydrophones), and eDNA water sampling.