Sökning: "VAKI"
Hittade 2 uppsatser innehållade ordet VAKI.
1. The impact of abiotic factors on daily spawning migration of Atlantic salmon (Salmo salar) in two north Swedish rivers
Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental StudiesSammanfattning : Atlantic salmon (Salmo salar) depends on two major migrations to fulfil their life cycle, from their birth place in rivers to sea, and back upstream the river again to spawn. Salmon stocks have been heavily reduced during the last century due to human activities such as hydropower and timber floating. LÄS MER
2. 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