Essays about: "Havsöring"

Found 3 essays containing the word Havsöring.

  1. 1. Linking habitat characteristics and juvenile density to quantify Salmo salar & Salmo trutta smolt production in River Sävarån, Northern Sweden

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

    Author : Johan Molin; [2008]
    Keywords : mapping; flow; substratum; electro-fishing; parr; radio-telemetry; spawning;

    Abstract : Even though the European Union has set up goals for rivers that support wild salmon to reach a production that is 50% of the MAXIMUM natural potential, there is a general lack of knowledge about the production capacity of salmonids in Sweden. To estimate the production of salmon and sea trout in the Sävarån river, I combined habitat mapping with available electro-fishing data. READ MORE

  2. 2. Downstream migration of brown trout (Salmo trutta) smolts past hydropowerplants in the river Emån

    University essay from Karlstads universitet/Institutionen för natur och miljö

    Author : Michael Olson; [2005]
    Keywords : Salmo trutta; brown trout; passage efficiency; telemetry; downstream migration; hydropower plant; Havsöring; passage effektivitet; telemetri; nedströms migration; vattenkraftverk;

    Abstract : The passage efficiency of downstream migrating brown trout (Salmo trutta) smolts past two hydropower plants in the River Emån, southeastern Sweden, was evaluated by telemetry. From 26 April to 17 May 2005, 40 wild brown trout smolts were radio-tagged, and their positions were recorded daily until 14 June. READ MORE

  3. 3. Havsöringens (Salmo trutta) och laxens (Salmo salar) lekområden och lekvandring i Vindelälven och Piteälven

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Caroline Pouchard; [2003]
    Keywords : havsöring; lekvandring; vindelälven; piteälven; radiotelemetri; vandringsbeteende; leklokal;

    Abstract : The population of seatrout and salmon are threatened by over-fishing in the sea and loss of spawning and growing habitats caused by logging activities in many swedish rivers. The knowledge of the spawning migration and the habitat use of the seatrouts and salmon are limited. READ MORE