Essays about: "biotopkartering"

Found 2 essays containing the word biotopkartering.

1. 1. Pre-spawning habitat selection of subarctic brown trout (Salmo trutta L.) in the river Vindelälven, Sweden

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

   Author : Erik Spade; [2011]
   Keywords : mapping; stream; depth; velocity; substrate; preference; radio-telemetry; Vindelälven;

   Abstract : Habitat selection of migratory brown trout at the upper reaches of River Vindelälven, wasstudied in September during the pre-spawning period. The fish migrate from down- orupriver lakes for spawning in the river and data was collected by habitat mapping andradio-telemetry. READ MORE

3. 2. Enumerating Atlantic salmon smolt production in River Vindelälven based on habitat availability and parr densities : consequences of using different density estimation methods

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

   Author : Stefan Ågren; [2010]
   Keywords : Salmo salar L.; Mapping; Juvenile nursery areas; Electrofishing abundance; Flow correlation; Population model;

   Abstract : Habitat mapping was conducted in the main stem of River Vindelälven in the autumn of 2009 along the salmon distribution area. The aim was to estimate the quantity of potential reproduction areas, including spawning and juvenile rearing habitats. The mapping included 61 km of various stream sections along the river length of 269 km. READ MORE