Sökning: "fish barrier"

Visar resultat 1 - 5 av 23 uppsatser innehållade orden fish barrier.

  1. 1. Styrning av fisk med elbarriär : Försök att styra lekvandrande fisk i Harrbäcken, Norrbotten

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Tobias Lind; [2023]
    Nyckelord :Electric barrier; fish; migration; spawning; Elektrisk barriär; fisk; migration; fisklek;

    Sammanfattning : The purpose of this study was to investigate whether it is possible to control fish that migrate during spawning season with the help of an electric barrier. The results aim to increase knowledge about electric barriers as the method so far is scarcely used in Sweden. LÄS MER

  3. 2. Under samma tak

    Kandidat-uppsats, KTH/Arkitektur

    Författare :Victor Thimansson; [2023]
    Nyckelord :campus; school; business; co-working; square;

    Sammanfattning : Till Nynäshamns största utmaningar räknas deras utbildningsnivå, som är en av Sveriges sämsta. Få studerar vidare och kommunens arbetskraft tycks bli mer missanpassad efter kommunens behov. Därtill verkar även deras företagsklimat utgöra ett bekymmer. LÄS MER

  4. 3. PFAS- En sammanfattning av ny forskning, med ett fokus på föroreningskällor, provtagning, analysmetoder och saneringsmetoder

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Sebastian Nilsson; [2022]
    Nyckelord :föroreningskällor; saneringsmetoder; analysmetoder; PFAS; provtagning; Earth and Environmental Sciences;

    Sammanfattning : PFAS (per- and polyfluoroalkyl substances) is a large group of pollutants that, over the last decade have been of great academic concern since it has been found all around the globe. PFAS is ubiquitous in our environment and frequently found in low background concentrations in soil and water; recent research has also found that PFAS occur in biotic samples, such as fish and plants. LÄS MER

  5. 4. Aquaculture in Sweden: challenges and opportunities : Perspectives on sustainable aquaculture development

    Kandidat-uppsats, Stockholms universitet/Institutionen för naturgeografi

    Författare :Josefine Skyllberg; [2022]
    Nyckelord :Aquaculture; open-net pen farming; semi-closed aquaculture systems; integrated multi-trophic aquaculture; diversification; sustainability; Vattenbruk; kassodling; semi-slutet vattenbrukssystem; integrerat multitrofisk vattenbruk; diversifiering; hållbarhet;

    Sammanfattning : The global population is expected to increase and the greatest challenge for the world’s food-producing sector is to secure food and nutrition through sustainable production methods and reduced waste. Aquaculture is the cultivation of aquatic organisms including fish, molluscs, crustaceans and algae, and has a significant role in providing food and employment as the demand for food is increasing. LÄS MER

  7. 5. Insect feed for future : perceived pros and cons of insects as feed inSwedish conditions

    Master-uppsats, SLU/Department of Molecular Sciences

    Författare :Diana Saeed; Ebba Seijbold Dalla-Santa; [2021]
    Nyckelord :Black Soldier Fly; circular system; feed industry; legislation; stakeholders; yellow mealworm;

    Sammanfattning : A current challenge that Sweden is handling is the amount of food loss and food waste. One way to reuse food waste efficiently is to convert it to feed for insects. LÄS MER