Marine Mammals and Seabirds and Turtles: Summer sightings per unit effort of dolphins from Western English Channel Marinelife Surveys

Marinelife sightings per unit effort (SPUE) of live dolphins in the Western English Channel. Surveys recorded sightings of 3 species of dolphins. The data span from 2007 - 2011 and come from both dedicated and opportunistic surveys in the CHARM3 study area. Relative-abundance of dolphins should be viewed with survey effort layers.