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Found 2 essays matching the above criteria.

  1. 1. Aspects of erosion of restored trout spawning beds in two streams in Northern Sweden

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Frida Michelle Granlund; [2021]
    Keywords : in-stream restoration; reproductive habitat; salmonids; passive integrated transponders tags PIT-tags ;

    Abstract : Many rivers and streams in northern Sweden have been channelized due to timber floating. This has severely degraded the spawning habitats for salmon and trout, and therefore a common action when restoring channelized rivers is to establish new spawning beds by adding gravel to the streambed. READ MORE

  3. 2. Reintroduction of the noble crayfish in the lake Bornsjön

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Susanna Schröder; [2010]
    Keywords : flodkräfta; Astacus astacus; återintroduktion; spridning; populationsuppskattning; Noble Crayfish; population estimation; reintroduction; movement;

    Abstract : Flodkräftan är en inhemsk art i Sverige. Antalet flodkräftlokaler har under 1900-talet reducerats med över 97 procent, i huvudsak till följd av kräftpest. Flodkräftan är klassad som starkt hotad i den nationella rödlistan för hotade djurarter sedan 2005. READ MORE