Essays about: "elfiske"
Showing result 1 - 5 of 6 essays containing the word elfiske.
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1. Puckellax i Sverige : undersökning av potentiella spridningsvägar och eventuell påverkan av puckellax i svenskt vatten
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : I den här rapporten undersöktes 24 vattendrag på västkusten och fem vattendrag på sydkusten för att identifiera potentiella spridningsvägar för puckellax. Studien har utgått ifrån historiska puckellaxobservationer, definitiva och partiella vandringshinder, elfiske av atlantlax, medelvattenföring och area för att undersöka vattendragens potential som spridningsvägar. READ MORE
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2. Restaureringens effekt på öringpopulationen
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : Until the 1970s, rivers in Sweden were used for timber floating. In order for the floating to be as efficient as possible, with a minimum of timber getting stuck, many rivers were cleared. Large rocks and boulders were removed from the main channel and tributaries, backwaters and shallow areas were secluded. READ MORE
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3. Using eDNA to improve environmental monitoring for water bodies effected by hydropower in Sweden
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : The aim of this report is to contribute to the base of knowledge on environmental monitoring by increasing understanding of how eDNA, electrofishing and sampling fishing may be used to examine fish biodiversity. It also aims at understanding if fish indexes developed within the Water Framework Directive reflect biodiversity, as well as the potential of eDNA data to serve as input to these indexes. READ MORE
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4. Intra and interhabitat migration in junvenile brown trout and Atlantic salmon in restored tributaries of the Vindelriver
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : Several techniques are used to sample juvenile salmonids in lotic environments. Electrofishing is by far the most commonly used method on the Scandinavian peninsula. READ MORE
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5. 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 StudiesAbstract : 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