Sökning: "aquaculture"

Visar resultat 21 - 25 av 152 uppsatser innehållade ordet aquaculture.

  1. 21. Using microalgae for removing nutrients from RAS aquaculture effluents - a viable strategy? A case study.

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

    Författare :Samuel Karlsson; [2022-07-06]
    Nyckelord :;

    Sammanfattning : The increased global demand for fish has caused a tremendous increase in aquaculture production during the last decade, emphasising the importance of systems with a low climate footprint. One such system is a recirculating aquaculture system (RAS) which is land-based as opposed to traditional open systems. LÄS MER

  3. 22. A Comprehensive Review of the Factors Influencing the Environmental Impact of different Species bred in Closed Land-based Recirculating Aquaculture Systems

    Kandidat-uppsats, Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Författare :Siri Samuelsson; [2022]
    Nyckelord :Recirculating aquaculture system; renewable electricity; Feed Conversion Ratio; environmental impact; freshwater eutrophication; climate change; land use; cumulative energy use; acidification; Earth and Environmental Sciences;

    Sammanfattning : Today the future supply of seafood is threatened due to human activities which, among other things, has led to overfishing. However, more environmental friendly initiatives of producing seafood have emerged, such as Recirculating Aquaculture Systems (RASs). LÄS MER

  4. 23. Stress och beteende vid bedövning av öring

    Kandidat-uppsats, SLU/Dept. Of Aquatic Resources

    Författare :Victoria Welander; [2022]
    Nyckelord :stress; bedövning; öring;

    Sammanfattning : 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. LÄS MER

  5. 24. 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

  7. 25. 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

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Emmy Nyberg; [2022]
    Nyckelord :Aquaculture; wild fish; fat content; protein content; stable isotopes;

    Sammanfattning : 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. LÄS MER