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SUMMARY:Indicating natural and anthropogenic changes in marine ecosystems:
  Field studies with seabirds in the North Atlantic - Stefan Garthe\, Resea
 rch and Technology Centre (FTZ)\, Kiel University\, Germany
DTSTART:20161014T120000Z
DTEND:20161014T130000Z
UID:TALK68552@talks.cam.ac.uk
CONTACT:Claire Waluda
DESCRIPTION:Studies on distribution\, abundance and behaviour of seabirds 
 can provide valuable information on marine ecosystems. Studies executed ov
 er longer time scales are of particular value as they may be able to unrav
 el changes in the sea and/or the coastal zone.\n\nIn this talk\, studies o
 n two groups of seabirds are presented that demonstrate such changes. Nort
 hern Gannets were investigated in one of the largest colonies in the world
  in eastern Canada and in a small colony in the southern North Sea. Lesser
  Black-backed and Herring Gulls were studied in several breeding colonies 
 and on their foraging grounds in the southern North Sea.\n\nData were coll
 ected by various classic and modern field techniques and provide informati
 on on population trends\, distribution\, diets and feedings habitats of bo
 th gannets and gulls. They show to what extent natural (fish stocks\, hydr
 ography) and anthropogenic (fisheries\, agriculture\, wind farms) factors 
 are affecting these seabirds.\n
LOCATION:British Antarctic Survey\, Room 330B
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