Sökning: "östersjön miljö"
Visar resultat 1 - 5 av 59 uppsatser innehållade orden östersjön miljö.
1. Coupling between iron and humic substances in a land-sea transitional zone in the northern Baltic Sea
Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskapSammanfattning : 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. LÄS MER
2. Framställandet av en utsläppshandel baserad på näringsämnen inom det svenska jordbruket
Kandidat-uppsats, Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)Sammanfattning : This study examines the potential of a nutrient-based emissions trading system and focuses on its possible implementation in the Baltic Sea region to address the problem with eutrophication in the inland sea. Emissions trading has proven to be an effective method for reducing greenhouse gas emissions within the EU through the EU ETS. LÄS MER
3. Hur Biofouling Påverkar Östersjön : En allmän litteraturstudie
Uppsats för yrkesexamina på grundnivå, Linnéuniversitetet/Sjöfartshögskolan (SJÖ)Sammanfattning : The aim of this literature study was to investigate the effects of biofouling in the Baltic Sea. This was done to increase environmental awareness and understanding of the importance of a sustainable marine environment. A systematic search in selected databases resulted in the study being based on tio research articles. LÄS MER
4. Temporal trends of Polybrominated diphenyl ethers (PBDE) and Hexabromocyclododecane (HBCDD) in Swedish Otter (Lutra lutra) and Grey Seals (Halichoerus grypus)
Magister-uppsats, Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)Sammanfattning : Polybrominated diphenyl ethers (PBDE) and hexabromocyclododecane (HBCDD) are brominated flame retardants. These compounds are lipophilic, persistent and have been shown to bioaccumulate. LÄS MER
5. Pilot scale partial denitratation coupled anammox: an evaluation
Master-uppsats, Lunds universitet/Kemiteknik (CI)Sammanfattning : På avloppsreningsverk (ARV) som tillämpar kväverening är den vanligaste tekniken nitrifikation följt av denitrifikation. Denna process kräver omfattande luftning, vilket både är elintensivt och minskar mängden biogas som kan utvinnas. LÄS MER