Blar i Articles på emneord "bestandssvingninger"

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    • Benefits of threshold strategies and age-selective harvesting in a fluctuating fish stock of Norwegian spring spawning herring Clupea harengus 

      Enberg, Katja (Journal article; Peer reviewed, 2005-08-15)
      The current state of the world’s fisheries resources requires further investigation into the means and methods for sustainable use of fish stocks. In this study, I assess the performance of different harvesting strategies ...

    • The ecology of recovery 

      Gårdmark, Anna; Enberg, Katja; Ripa, Jörgen; Laakso, Jouni; Kaitala, Veijo (Journal article; Peer reviewed, 2003-04-30)
      The current high rate of population declines and attempts to `manage' their recovery, call for a better understanding of recovery dynamics of populations. In many cases, recovery of a population may primarily be determined ...

    • Long-term fluctuations in cod and pollack along the Norwegian Skagerrak coast 

      Fromentin, Jean-Marc; Stenseth, Nils Christian; Gjøsæter, Jakob; Johannessen, Tore; Planque, Benjamin (Journal article; Peer reviewed, 1998-02-12)
      We tested whether the long-term fluctuations in abundance of 0-group cod Gadus morhua and pollack Pollachius pollachius sampled from 1919 to 1994 at 38 stations along the Norwegian Skagerrak coast might be related to the ...

    • Spatial patterns of the temporal dynamics of three gadoid species along the Norwegian Skagerrak coast 

      Fromentin, Jean-Marc; Stenseth, Nils Christian; Gjøsæter, Jakob; Bjørnstad, Ottar N.; Falck, Wilhelm; Johannessen, Tore (Journal article; Peer reviewed, 1997-08-28)
      Time series from an extensive research survey of juveniles of cod Gadus morhua, pollack Pollachius pollachius and whiting Merlangius merlangus sampled from 1919 to 1994 at 38 stations along the Norwegian Skagerrak coast ...