Essays about: "farmed fish"

Showing result 1 - 5 of 25 essays containing the words farmed fish.

  1. 1. Sustainability assessment on different crops for aquaponics : an evaluation table for growing crops using wastewater from juvenile Atlantic salmon in RAS

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Elísabet Jónsdóttir; [2023]
    Keywords : Aquaponics; RAS; MCDA; Atlantic salmon Smolt; hydroponics; Sustainability; Earth and Environmental Sciences;

    Abstract : Aquaculture is an expanding industry, supplying closer to 50% of the total fish consumption. Commercialized fish production faces sustainability challenges which are important to address. Aquaponics uses wastewater from aquaculture to grow plants using hydroponics. READ MORE

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

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

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

    Abstract : 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. READ MORE

  4. 3. Stress och beteende vid bedövning av öring

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Victoria Welander; [2022]
    Keywords : stress; bedövning; öring;

    Abstract : I samband med att fiskar har blivit allt vanligare inom områden som forskning, odling och miljöövervakning har behovet av att säkerställa god djuromsorg blivit mer uppmärksammat. För att minska fiskens stress och underlätta den fysiska hanteringen brukar bedövningsmedel användas i många sammanhang. READ MORE

  5. 4. Perceptions on marine salmonfarming development inBíldudalur, Iceland

    University essay from Stockholms universitet/Institutionen för naturgeografi

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

    Abstract : 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. READ MORE

  6. 5. Aquaculture and its effect on the wild fish resource in a Swedish lake : An evaluation of changes in fat content, protein content and trophic niche

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Emmy Nyberg; [2022]
    Keywords : Aquaculture; wild fish; fat content; protein content; stable isotopes;

    Abstract : Fish is nutritious and important as a food source for many people. It contains high levels of protein, important omega-3 fatty acids as well as micronutrients. For a sustainable fish consumption, aquaculture is needed but it can affect nearby ecosystems in many ways. READ MORE