Sökning: "electro-fishing survey"

Hittade 2 uppsatser innehållade orden electro-fishing survey.

1. 1. MODELLING THE SMOLT PRODUCTIVITY OF BROWN TROUT (SALMO TRUTTA) IN HAGA Å

   Kandidat-uppsats, Göteborgs universitet / Instiutionen för biologi och miljövetenskap

   Författare :Lukas Almgren; [2023-10-30]
   Nyckelord :Brown trout; Salmo trutta; Trout habitat score; THS; Haga å; electro-fishing survey;

   Sammanfattning : The brown trout (Salmo trutta) is a facultatively anadromous species, some individuals migrate from the rearing environment in the rivers to the sea while other individuals stay in fresh water. To determine the suitability of a stream for juvenile trout the organization SGBALANST has developed what is called the "Trout habitat score" (THS) model. LÄS MER

3. 2. Vattendragsrestaurering i teorin och fiskinventering i praktiken : en litteratur respektive metodstudie

   L3-uppsats, SLU/Dept. Of Aquatic Resources

   Författare :Johan Baudou; [2006]
   Nyckelord :fisktätheter; populationsstruktur; artdiversitet; elfiske; beståndsskattning; spöfiske; vattendragsrestaurering; fiskinventering;

   Sammanfattning : Running water-pathways have played an important roll in Sweden and frequently been manipulated. One profound change was made during the period of logging when streams were cleared from obstacles as big boulders, sharp bends and side-streams. LÄS MER