Search for dissertations about: "Stocking"
Showing result 1 - 5 of 20 swedish dissertations containing the word Stocking.
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1. Eel migration - results from tagging studies with relevance to management
Abstract : In response to the drastic decline of the European eel (Anguilla anguilla (L.)) fisheries have been reduced and elvers are stocked in areas where natural abundances are low. READ MORE
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2. Stocking as a sustainable measure to enhance eel populations
Abstract : .... READ MORE
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3. Trophic interactions and behaviour : Studies relevant to a Baltic Sea biomanipulation
Abstract : The main theme of this thesis is the interactions of animals with the environment and each other. The thesis was written within the framework of a biomanipulation project “Pikeperch in Himmerfjärden”. READ MORE
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4. Migration and quality of landlocked Atlantic salmon smolt : Implications for conservation and management
Abstract : Atlantic salmon Salmo salar has a complex life cycle, including long migrations and habitat shifts for both juveniles and adults. As such, salmon populations are vulnerable to habitat degradation and fragmentation along their migratory routes. READ MORE
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5. Using spatial distribution and behaviour to determine optimal space allowances for poultry and rabbits
Abstract : Previous research on the effect of stocking density on welfare has focused on adverse effects on health and behaviour. Absence of such effects does not mean that space allowance is optimal from the animals’ point of view. This thesis aimed to assess optimal space allowances by studying spatial distribution and behaviour. READ MORE