Marine Mammals and Seabirds and Turtles: Year-round presence-only distribution of Halichoerus grypus

Date(s) (Creation)
Custodian(s): CHARM consortium
Processor(s): Catherine McClellan
Affiliation(s) 1 : University of Exeter Centre for Ecology and Conservation
ID CHARM3YPOHG
Abstract Observations of live Halichoerus grypus from different datasets collected in France and the United Kingdom were compiled to generate presence-only distributions in the CHARM3 study area. The data span from 2002 - 2011 and come from both dedicated and opportunistic surveys from land, sea, or air.
Keywords Marine Mammals and Seabirds and Turtles, Halichoerus grypus Presence-only Distribution, distribution de presence de Halichoerus grypus, World, Species distribution
Lineage Sightings records were contributed by: Marinelife and the Atlantic Research Coalition, the University of Exeter, the Sea Mammal Research Unit, Wildfowl and Wetlands Trust Consulting, Marine Conservation International and the International Federation for Animal Welfare, Cornwall Seal Group, and the Centre de Recherche sur les Mammifères Marins. Data were filtered to remove obvious location errors (i.e. on land) and in poor seastates (>3 Beaufort Scale). The filtered dataset was then used to
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