Estimating Relative Trends in Cetacean Abundance from Data Collected for an Opportunistic Sightings Network

British Columbia’s coastline is home to eighteen species of cetaceans (such as whales, dolphins and porpoises) and three species of sea turtles. Nine of these species are at risk of extinction. To conserve them, it is crucial to learn more about their distribution/abundance and habitat use. The British Columbia Cetaceans Sightings Network (BCCSN) was established […]

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