Sökning: "Land based salmon farming"

Hittade 3 uppsatser innehållade orden Land based salmon farming.

  1. 1. STARTING FROM THE BOTTOM: USING LOW TROPHIC SPECIES IN SALMON FEEDS. Assessing the environmental performance of novel salmon feeds with LCA .

    Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Författare :Moritz Hempel; [2022-08-30]
    Nyckelord :LCA; Salmon aquaculture; novel feeds; seaweed; blue mussel;

    Sammanfattning : Over the past 30 years, the formulation of salmon feeds has shifted from being based on marine ingredients like fishmeal and fish oil towards more plant-based ingredients. This shift was caused by limited supply of wild fish and general sustainability concerns related to using forage fish for feed, so they were mainly replaced with vegetable-protein. LÄS MER

  3. 2. Kvantifiering av näringsflöden i Recirkulerande Akvakultur (RAS) och nätkasseodling av lax (Salmo salar)

    Kandidat-uppsats, Linköpings universitet/Biologi

    Författare :Manfred Skog; [2018]
    Nyckelord :Aquaculture; Land based salmon farming; nitrogen; phosphorus; RAS; sludge; substance flow analysis.;

    Sammanfattning : Aquaculture has been a way to produce fish as a protein source for thousands of years and over the past decades aquaculture has been the fastest expanding animal-based food sector in the world. This study focused on quantifying the flows of nitrogen and phosphorus in Atlantic Salmon farming and compared traditional open net farming with a more recent technique, land based recirculating aquaculture system (RAS). LÄS MER

  4. 3. Livscykelanalys av sex olika fiskodlingssystem : Fiskens miljöpåverkan för konsumtion i Stockholm

    Uppsats för yrkesexamina på avancerad nivå, Teknisk-naturvetenskapliga fakulteten

    Författare :Karl Randau; [2012]
    Nyckelord :;

    Sammanfattning : This thesis evaluates the environmental performance of six different fish farming systems. The thesis is part of the network group “Hållbar fiskförsörjning I Stockholms län” (HFFS) which tries to increase the domestic and regional production of fish in Stockholm and move to a more sustainable supply in the Stockholm county. LÄS MER