Browsing NINA Brage by Subject "sex ratio"

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    • Age of European silver eels during a period of declining abundance in Norway 

      Durif, Caroline; Diserud, Ola Håvard; Sandlund, Odd Terje; Thorstad, Eva Bonsak; Poole, Russell; Bergesen, Knut Aanestad; Escobar-Lux, Rosa H.; Shema, Steven; Vøllestad, Leif Asbjørn (Journal article, 2020)
      The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of ...

    • Breeding ecology of Kori Bustard Ardeotis kori strunthiunculus in the Serengeti National Park 

      Mmassy, Emmanuel Clamsen; Fyumagwa, Robert D.; Bevanger, Kjetil Modolv; Røskaft, Eivin (Journal article; Peer reviewed, 2018)
      The breeding ecology of the Kori Bustard Ardeotis kori strunthiunculus was studied in the plains of the Serengeti National Park, Tanzania in 2014 and 2015. Random transects were used to search for male courtship displays, ...