Essays about: "Östersjön"

Showing result 1 - 5 of 127 essays containing the word Östersjön.

  1. 1. Coupling between iron and humic substances in a land-sea transitional zone in the northern Baltic Sea

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Anna Osterman; [2023]
    Keywords : Iron; Humic substances; Dissolved organic carbon; Baltic Sea; Rivers;

    Abstract : In marine ecosystems around the world, iron (Fe) is a well-studied and important trace element which has been found to stimulate phytoplankton and cyanobacteria growth, as well as limit nitrogen fixation and being essential for Legionella pneumophila which is known as the main cause of Legionnaires’ disease. Fe also contributes to the brownification of freshwater and has recently been documented to increase in concentration in rivers in Sweden. READ MORE

  3. 2. Machine learning-assisted image analysis and metabarcoding for monitoring of plankton in the seas surrounding Sweden

    University essay from KTH/Industriell bioteknologi

    Author : Karin Garefelt; [2023]
    Keywords : Imaging FlowCytobot; imaging-in-flow cytometry; plankton imaging; convolutional neural network; metabarcoding; Imaging FlowCytobot; flödesmikroskopi; övervakning av plankton; konvolutionella neuronnät; DNA-streckkodning;

    Abstract : I miljöövervakningen av haven runt Sverige har manuell mikroskopi av plankton länge varit den huvudsakliga tekniken för att övervaka växtplanktonbestånden och algblomningar. Nya tekniker utvärderas, men det är inte känt hur resultaten från de nyare teknikerna relaterar till varandra. READ MORE

  4. 3. A catch-22 scenario in the Swedish food system : –A scientific examination of cyprinid fishingand its management possibilities in Sweden

    University essay from SLU/Department of Molecular Sciences

    Author : Peter Andreas Van Berlekom; [2023]
    Keywords : Cyprinids; Swedish food supply chain; fisheries management; Complex Adaptive System CAS ;

    Abstract : Cyprinid fish like roach, bream and ide are natural resources in Sweden that were common and consumed in households up to the late 19th century. Due to societal changes during the industrialization cyprinids lost their domestic importance. Today we see an increasing demand for sustainable food sources. READ MORE

  5. 4. Carbon emission allocation of Ro-Pax ferry transport and the application for ferry companies

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Qiutong Xu; [2023]
    Keywords : CO2 emissions; Emission allocation; Ro-Pax ferry; Ferry transport; Passenger; Freight; CO2-utsläpp; Utsläppsfördelning; Ro-Pax-färja; Färjetransport; Passagerare; Frakt;

    Abstract : The EU has set up the target of cutting GHG emissions by at least 55% by 2030 and becoming climateneutral by 2050. Accordingly, the IMO has launched initiatives to reduce CO2 emissions per transportwork by at least 40% by 2030, however the CO2 emissions generated from the ferry operations arecontinuously increasing. READ MORE

  6. 5. Temporal trends of Polybrominated diphenyl ethers (PBDE) and Hexabromocyclododecane (HBCDD) in Swedish Otter (Lutra lutra) and Grey Seals (Halichoerus grypus)

    University essay from Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : Kajsa Frost; [2023]
    Keywords : Polybrominated diphenyl ether; PBDE; BDE; hexabromocyclododecane; HBCDD; Temporal trends; Flame retardants; Baltic grey seal; Halichoerus grypus; Eurasian otter; Lutra lutra; Intestinal ulcers; BDE-47; BDE-99; BDE-100; BDE-153; BDE-154; Earth and Environmental Sciences;

    Abstract : Polybrominated diphenyl ethers (PBDE) and hexabromocyclododecane (HBCDD) are brominated flame retardants. These compounds are lipophilic, persistent and have been shown to bioaccumulate. READ MORE