Blar i Master i natur-, helse- og miljøvern på tittel
Viser treff 124-143 av 208
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Mercury, lead and cadmium in fish from Lake Norsjø, Southern Norway
(Master thesis, 2009-09-01)Concentrations of mercury (Hg), cadmium (Cd) and lead (Pb) have been investigated in whitefish (Coregonus lavaretus, n = 41), European smelt (Osmerus eperlanus, n = 29), Arctic char (Salvelinus alpinus, n = 27), perch ... -
Metal concentrations in blue mussel (Mytilus edulis) in the Kaldvellfjord, Lillesand county, affected by metal rich runoff.
(Master thesis, 2016)In this master thesis there has been studied possible effects from acidic, metalrich runoff on blue mussels (Mytilus edulis) in the Kaldvellfjord (Lillesand county), as a result of sulphide oxidation from deposits in the ... -
Method testing: Collecting and analyzing eDNA from a large lake - With bacteria and the endoparasite Tetracapsuloides bryosalmonae as example organisms
(Master thesis, 2022)As techniques and protocols for eDNA studies develop, ideas for research are pouring in. The need for standardized methods and protocols for different environments is increasing and it´s necessary to ensure reliable data ... -
Microbial growth on Polyethylene
(Master thesis, 2023)Polyethylene is a low-density polymer, widely distributed worldwide and resistant to biodegradation. Therefore, it is important to find microorganisms that carry out the process of biodegradation of polyethylene and to ... -
Microclimate and topography influence genetic differentiation in northern crested newt (Triturus cristatus) in a boreal forest ecosystem
(Master thesis, 2018)Among all vertebrates, the amphibians is the group that currently has the highest proportion of threatened species, and monitored populations have suffered large declines since 1970. The most widespread threat is loss of ... -
Microplastic in wastewater treatment plants in Telemark
(Master thesis, 2019)Microplastics (defined as 5 mm to 1 μm in diameter) has been observed in zooplankton fish and human beings in various studies. The amount of microplastic is an increasing concern worldwide, and one of the sources that ... -
Microplastic monitoring in freshwater and marine surface waters using Nile red and kayak paddling - a proposed study design for citizen science
(Master thesis, 2022)The main aim of this master study has been to develop a cost-effective method to quantify microplastics in surface layers using a trawl towed from a kayak. The trawl was designed to sample microplastic in a wide range of ... -
Microplastics in wastewater treatment plants in South-Eastern Norway: detection and critical assessment of methodology
(Master thesis, 2019)Microplastic has gained increasing attention since it is an environmental concern and it has been found in water, soil and air. Wastewater treatment plants have been reported as pathway for microplastics to aquatic ... -
Mobiltelefoner og helsefare : en cytogenetisk in vitro studie av radiofrekvente felters påvirkning på humant arvemateriale
(Master thesis, 2003-04-07)Hypotesen for denne undersøkelsen var at eksponering for høyfrekvente elektromagnetiske felter innenfor de fastsatte, internasjonale grenseverdiene ikke gir celleskader som direkte eller indirekte, kan føre til kreft. ... -
Modeling of groundwater flow of the Hagadrag aquifer to monitor drinking water supply for the Bø municipality
(Master thesis, 2018)Groundwater flow model is a numerical representation of the complex hydrological system into simple graphical form for simulation and prediction. The purpose of developing groundwater flow models vary from study to study ... -
Modellering av strømningsmønster i en flerlagsmodell for Hagadrag løsmasseakvifer, Bø i Telemark. Modellering av strømningsmønster ved bruk av verktøyet Processing MODFLOW
(Master thesis, 2019)Grunnvann er menneskets viktigste kilde for ferskvann og drikkevann, og globalt sett er om lag 95% av alt ferskvann på jorda lagret som grunnvann. Om lag 15% av drikkevannet i Norge utnyttes fra grunnvann, hvilket er lite ... -
Modellering av transient kloridtransport i en lukket akvifer i et morenekompleks
(Master thesis, 2008-05-05)Målsetningen med denne oppgaven har vært å modellere kloridtransporten i sigevann fra Revdalen avfallsdeponi til grunnvannet. Målet har vært å kartlegge hvordan spredningen av forurensning påvirkes av ulike nedbørssituasjoner ... -
Naïve dairy cattle do not produce less milk in response to brown bear (Ursus arctos) fecal odor
(Master thesis, 2017)Predators can have direct effects on prey by killing individuals, but may also have indirect effects caused by fear. Indirect effects may represent costs that can affect the individual fitness of prey by reducing growth, ... -
Next-generation sequencing of soil samples. Illumina MiSeq vs. Oxford Nanopore MinION
(Master thesis, 2021)Most of the world’s soil resources are of poor condition and with an expanding population it is important to improve soil management. Activities of microorganisms living in soil are essential for soil and plant health, and ... -
Ny E18: Effekter på vannkvalitet og biologiske kvalitetselement i Åbyelva og Høenstjenna, Bamble, Telemark. En vurdering av vannforskriftens føringer for å begrense påvirkning i anleggsfasen
(Master thesis, 2019)I august 2017 startet arbeidet med å bygge ny E18 på strekningen Rugtvedt – Dørdal i Bamble kommune, Telemark. I forkant av dette var forundersøkelser av vannforekomster tilknyttet ny veilinje utført i juni - desember 2016. ... -
Only dead fish follows the current: A telemetry study on migratory behavior of spawning Atlantic salmon (Salmo salar) in the upper reaches of the watershed of Skienselva R. with period of high-resolution tracking in Sauar R.
(Master thesis, 2022)To evaluate the recent efforts to better the conditions for migrating Atlantic salmon (Salmo salar) seeking spawning areas in the upper reaches of Skienselva River watershed. 75 salmon were tagged between 24. June and 15. ... -
Optimization of Small Urban Water Services in Developing Countries by Water Loss Management. Literature review with practical examples from Pacific Island countries
(Master thesis, 2011)Water is by far our most important natural resource needed to sustain all forms of life on our planet. Today we face depletion and increased scarcity of this precious resource. At the same time there is also a rapid ... -
Overførbar antibiotikaresistens hos Escherichia coli.
(Master thesis, 2008)INNLEDNING: Escherichia coli er en del av den fekale normalfloraen hos mennesker og varmblodige pattedyr, men kan også forårsake ekstraintestinale infeksjoner. Særlig kjent er den som etiologisk agens ved ukompliserte ... -
Pair movement of a monogamous mammal, the Eurasian beaver
(Master thesis, 2019)Studying the cohesion of monogamous pairs is an important component in understanding their social relationships. I used the Eurasian beaver (Castor fiber) to investigate how movement patterns and space use relate to their ... -
Påvisning av to forskjellige virusagens ved real-time PCR - Tick-borne encephalitis virus og Cytomegalovirus
(Master thesis, 2013)SAMMENDRAG: Et virus er et lite smittestoff som kun kan reprodusere inne i levende celler i en vertsorganisme. Virus kan infisere alle typer organismer som dyr, planter og bakterier. De finnes nesten i alle økosystemer på ...