Sökning: "Damman"

Hittade 1 uppsats innehållade ordet Damman.

  1. 1. Sexual dimorphism in the migratory dynamics of a land-locked population of brown trout (Salmo trutta) in central Sweden : a study at three temporal scales

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Carl Vigren; [2018]
    Nyckelord :trout; salmonid; salmo; trutta; migration; upstream; Storsjon; Storsjön; Damman; Dammån; regulated; fish ladder; behaviour; protandry;

    Sammanfattning : In this study I use a 56 years long dataset to study the migratory behaviours of a land-locked population of Brown trout (Salmo trutta) in the river Dammån, positioned in central Sweden. I found that there was a mean female-to-male sex ratio in the spawning-run of approximately 2.31 with an average 50% run date on the 29th of July. LÄS MER