Blar i Brage IMR på forfatter "Hammill, Mike O."

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    • Drift diving by hooded seals (Cystophora cristata) in the Northwest Atlantic Ocean 

      Andersen, Julie M.; Stenson, Garry B.; Skern-Mauritzen, Mette; Wiersma, Yolanda F.; Rosing-Asvid, Aqqalu; Hammill, Mike O.; Boehme, Lars (Journal article; Peer reviewed, 2014-07-22)
      Many pinniped species perform a specific dive type, referred to as a ‘drift dive’, where they drift passively through the water column. This dive type has been suggested to function as a resting/sleeping or food processing ...

    • Harp Seals: Monitors of Change in Differing Ecosystems 

      Stenson, Garry B.; Haug, Tore; Hammill, Mike O. (Peer reviewed; Journal article, 2020)
      Harp seals are the most abundant marine mammal in the north Atlantic. As an ice obligatory predator, they reflect changes in their environment, particularly during a period of climatic change. As the focus of a commercial ...

    • Investigating Annual Diving Behaviour by Hooded Seals (Cystophora cristata) within the Northwest Atlantic Ocean 

      Andersen, Julie M.; Skern-Mauritzen, Mette; Boehme, Lars; Wiersma, Yolanda F.; Rosing-Asvid, Aqqalu; Hammill, Mike O.; Stenson, Garry B. (Journal article; Peer reviewed, 2013-11-25)
      With the exception of relatively brief periods when they reproduce and moult, hooded seals, Cystophora cristata, spend most of the year in the open ocean where they undergo feeding migrations to either recover or prepare ...