Sökning: "Radio-telemetry"
Visar resultat 1 - 5 av 9 uppsatser innehållade ordet Radio-telemetry.
1. Smoltification status of Atlantic salmon (Salmo salar) in relation to migratory success and migration speed in a regulated river
Master-uppsats, Karlstads universitetSammanfattning : There is a concern that the ecosystems around the world are suffering from fragmentation. Ecosystems such as rivers have lost their connectivity to a large extent due to hydroelectric dams with no or insufficient passways for the natural flow of organisms, matter and energy. LÄS MER
2. Defining habitat demands of Wels catfish (Silurus glanis) in a Swedish lake : a look into muddy waters
Master-uppsats, SLU/Dept. Of Aquatic ResourcesSammanfattning : The wels catfish (Silurus glanis) is a rare species in Swedish waters, it demands higher water temperatures than most lakes and rivers can offer. One of the few locations with naturally occurring wels catfish in Sweden is Lake Båven, situated about an hour and a half south of Stockholm, in the county of Södermanland. LÄS MER
3. Full Circle: upstream and downstream migration of Atlantic salmon (Salmo salar) in the northern Swedish river Vindelälven
Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental StudiesSammanfattning : The life cycle of the anadromous Atlantic salmon (Salmo salar) can span large geographic, political, and socio-economic boundaries. Management strategies and regulations that only concentrate on small spatial scales often overlook larger basin-wide problems, especially relating to post-spawn seaward migration. LÄS MER
4. Passage efficiency and migration behavior for adult Atlantic salmon at a Half-Ice Harbor fish ladder
Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental StudiesSammanfattning : Due to exploitation of the world’s rivers, the upstream migration of anadromous species is frequently delayed or even prevented. To mitigate these problems and allow fish to migrate past obstacles, structures such as fish ladders have been developed. However, recent studies show that many of the present fish passage facilities are deficient. LÄS MER
5. Pre-spawning habitat selection of subarctic brown trout (Salmo trutta L.) in the river Vindelälven, Sweden
Magister-uppsats, SLU/Dept. of Wildlife, Fish and Environmental StudiesSammanfattning : 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. LÄS MER
