Essays about: "radio-telemetry"
Showing result 1 - 5 of 8 essays containing the word radio-telemetry.
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1. Smoltification status of Atlantic salmon (Salmo salar) in relation to migratory success and migration speed in a regulated river
University essay from Karlstads universitetAbstract : 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. READ MORE
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2. Defining habitat demands of Wels catfish (Silurus glanis) in a Swedish lake : a look into muddy waters
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : 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. READ MORE
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3. Full Circle: upstream and downstream migration of Atlantic salmon (Salmo salar) in the northern Swedish river Vindelälven
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : 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. READ MORE
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4. Passage efficiency and migration behavior for adult Atlantic salmon at a Half-Ice Harbor fish ladder
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : 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. READ MORE
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5. 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 StudiesAbstract : 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