• Population status, breeding biology and diet of Norwegian Great Cormorants 

      Lorentsen, Svein-Håkon; Anker-Nilssen, Tycho; Barrett, Robert; Systad, Geir Helge Rødli (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-01)
      Two subspecies of the Great Cormorant breed in Norway, the continental Phalacrocorax carbo sinensis in the south, along the Skagerrak coast, and the marine P. c. carbo from central Norway and northwards. Here we review the information existing until 2017 on population status and trends, breeding performance and diet of these two subspecies in Norway. The most recent national population estimates are ...
    • SEAPOP studies in the Lofoten and Barents Sea area in 2005 

      Anker-Nilssen, Tycho; Barrett, Robert T.; Bustnes, Jan Ove; Erikstad, Kjell E; Fauchald, Per; Lorentsen, Svein Håkon; Steen, Harald; Strøm, Hallvard; Systad, Geir Helge Rødli; Tveraa, Torkild (Research report; Forskningsrapport, 2006)
      This is the first annual report from SEAPOP, a long-term seabird programme aiming to provide and maintain base-line knowledge needed for an improved management of marine areas. For several reasons, the activities in the initial year were restricted to the Lofoten and Barents Sea area, but the programme is designed for implementation on the full national scale within a few years. The report ...