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Showing result 1 - 5 of 12 essays matching the above criteria.

  1. 1. Monitoring marine alien and invasive species. A comparison between the traditional method (eRAS) and DNA-based identification of species.

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Josefin Holm; [2023-08-22]
    Keywords : ;

    Abstract : There is a major concern with the uncontrolled spreading of alien and invasive species, caused by an increase in travelling by boat globally. These are dispersed via ballast water, by fouling on ships and in fishing gear. READ MORE

  3. 2. Thermal tolerance of native vs. invasive marine species at the Northern coast of Portugal

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Sofie Michelsen; [2023]
    Keywords : Biodiversity; Climate change; Marine ecosystems; Marine heat waves; Intertidal environment; Invasive species; Macroalgae; Mussels; Sustainable Development; Thermal tolerance;

    Abstract : Two prominent factors posing a major threat to biodiversity in marine ecosystems are climate change and the establishment of invasive species, and the interaction between these two. Because of the upwelling of cold, nutrient-rich water, the coast of Portugal is a thermal refuge and distribution edge for cold-adapted species, making it a particularly important study area from a biodiversity point of view. READ MORE

  4. 3. Möjligheten att praktiskt utfodra rödalger till mjölkkor : med syftet att minska metanutsläpp

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Ida Frankenberg; [2023]
    Keywords : Asparagopsis taxiformis; Asparagopsis armata; mjölkkor; utfodring; metan;

    Abstract : De senaste åren har flera olika metoder för att minska metanutsläpp från idisslare undersökts, en av dessa är att blanda rödalger i fodret. Rödalgerna Asparagopsis spp. (främst Asparagopsis taxiformis och Asparagopsis armata) har ett högt innehåll av bromoform vilket verkar metanhämmande i våmmen. READ MORE

  5. 4. Utfodringsstrategier för minskade metanutsläpp från enterisk fermentering hos mjölkkor

    University essay from SLU/Dept. of Agricultural Research for Northern Sweden

    Author : Lisa Stensson; [2021]
    Keywords : idisslare; växthusgas; foder; hållbarhet;

    Abstract : Metan är en potent växthusgas som delvis produceras under fermentering i våmmen på idisslare. Utsläppen av metan från enterisk fermentering står idag för en betydande andel av utsläppen från hela jordbrukssektorn. READ MORE

  6. 5. Macroalgae as feed supplement for reduction of methane emission in livestock : Overview of current knowledge and potential Nordic species

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Hanna Silwer; [2018]
    Keywords : Asparagopsis taxiformis; bromoform; climate change; dairy industry; microbial ecosystem; secondary metabolites;

    Abstract : Climate change is a fact and production systems are in need of modernization and sustainable development. Methane is a problematic and potent greenhouse gas and is emitted as a natural byproduct from livestock metabolism. READ MORE