Search for dissertations about: "Brown trout"
Showing result 16 - 20 of 61 swedish dissertations containing the words Brown trout.
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16. Habitat compensation in nature-like fishways : Effects on benthos and fish
Abstract : The construction of nature-like fishways has become an increasingly common measure to restore longitudinal connectivity in streams and rivers affected by hydroelectric development. These fishways also have the potential to function as habitat compensation measures when running waters have been degraded or lost. READ MORE
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17. Conservation of landlocked Atlantic salmon in a regulated river : Behaviour of migratory spawners and juveniles
Abstract : Hydropower dams represent one of the major threats to river ecosystems today. The dams block migratory routes in many rivers, which is problematic for migratory fish species. Trap-and-transport may be an alternative to fish passage solutions, as a strategy to compensate for lost river connectivity. READ MORE
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18. Behaviour and metabolic rates of brown trout and Atlantic salmon : Influence of food, environment and social interactions
Abstract : For Atlantic salmon (Salmo salar) and brown trout (Salmo trutta), the decision to migrate or when to migrate is believed to be influenced by the individual’s metabolic rate (MR) relative its food intake. As MR was expected to be related to behaviour, the potential links between behaviour and metabolic costs was studied. READ MORE
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19. Reproductive pattern and offspring performance in brown trout (Salmo trutta)
Abstract : This thesis deals with how reproductive traits and reproductive behaviour in femalebrown trout (Salmo trutta) are linked to offspring performance.In the small stream Tullviksbäcken, the choice of spawning sites was stronglyinfluenced by short-term fluctuations in stream flow and by substrate quality. READ MORE
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20. Catch and effort from a recreational trolling fishery in a large lake
Abstract : Over recent decades recreational fisheries have grown substantially throughout the world. Despite this increase, catches from recreational fisheries have often been ignored in fisheries management, although this is now being remedied. READ MORE