Browsing by Author "Muladal, Rune"

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    • Growth of invasive pink salmon (Oncorhynchus gorbuscha) at sea assessed by scale analysis 

      Paulsen, Tora; Sandlund, Odd Terje; Østborg, Gunnel Marie; Thorstad, Eva Bonsak; Fiske, Peder; Muladal, Rune; Tronstad, Stig (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-01)
      Invasive pink salmon (Oncorhynchus gorbuscha) has been present in variable, but low, numbers in Norwegian waters since c. 1960, but beginning in 2017 their numbers have exploded in rivers in northern Norway, with considerable numbers also recorded in rivers in southern Norway and other countries bordering the North Atlantic. Analysis of pink salmon scales from two rivers draining to the western ...

    • Salmon-lice as a potential threat to anadromous Arctic charr populations 

      Rochat, Eloïse Coralie; Grenier, Gabrielle; Muladal, Rune; Jensen, Hallvard; Knudsen, Rune (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-25)
      Salmon-lice have the potential to change the behaviour and growth of their salmonid host species. Here, the baseline infection levels of salmon-lice of post-smolts (n = 815) and veteran migrants (n = 875) of sea-run Arctic charr (Salvelinus alpinus Linnaeus, 1758) were monitored over two successive years in a sub-Arctic Norwegian fjord without farming of salmonids. All Arctic charr were collected ...