Marine Mammals and Seabirds and Turtles: Summer search effort of Western English Channel Marinelife Surveys

Marinelife at-sea survey effort for megavertebrates in the Western English Channel. Surveys recorded sightings of large pelagic fishes and sharks, cetaceans, seals and sea turtles. The data span from 2007 - 2011 and come from both dedicated and opportunistic surveys in the CHARM3 study area. Survey effort should be viewed with relative-abundance layers of the various megavertebrate groups.