Sökning: "Marine salmon farming"

Hittade 3 uppsatser innehållade orden Marine 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. Perceptions on marine salmonfarming development inBíldudalur, Iceland

    Master-uppsats, Stockholms universitet/Institutionen för naturgeografi

    Författare :Katrín Helga Skúladottír; [2022]
    Nyckelord :Marine salmon farming; aquaculture; socio-economic effects; environmental effects; development;

    Sammanfattning : Marine salmon farming is a new and fast-growing industry in Iceland after decades of uncertainties within aquaculture development in the country. While growing at a tremendous speed in the last few years, the development has been challenged by different social groups in regard to its socio-economic and environmental effects. LÄS MER

  4. 3. Gains N Greens

    M1-uppsats, Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Författare :Jakob Frank; Tom Hjälmefjord; [2020]
    Nyckelord :aquaponics; sustainability; food production; environment; akvaponik; hållbarhet; matproduktion; miljö;

    Sammanfattning : At present, it is focused either on aquaculture or agriculture. Those who focus on aquaculture or Recirculating Aquaponics System (RAS) receive a by-product of ammonia, which is then cleaned and the water either goes back to the fish or it is not cleaned at all and as they do in the salmon farms for example they let it sink to the bottom which creates eutrophication and major problems among the marine. LÄS MER