Browsing Master i natur-, helse- og miljøvern by Title
Now showing items 25-44 of 209
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Can bears bear climatic change?
(Master thesis, 2023)Climate change is a topic of global importance, affecting species and ecosystems worldwide. Climatic variations and changes, like anthropogenic changes, have vast effects on plant-life, wildlife, and fungi alike. Nordic ... -
Can small-scale northern marine protected areas work as management tools for a mobile temperate fish species? A before-after control-impact study of coastal Atlantic cod (Gadus morhua)
(Master thesis, 2016)The recruitment and spawning stock biomass of Atlantic cod (Gadus morhua) along the Skagerrak coast have been extremely low the last years and overfishing seems to be one of the main factors for this decrease. Marine ... -
Candidatus neoehrlichia mikurensis i Ixodes ricinus i Norge
(Master thesis, 2016-01-18)Mikroorganismer som bakterier og virus kan overføres mellom mennesker og dyr, noen av disse kan være potensielt patogene. Candidatus Neoehrlichia mikurensis er en flåttbåren patogen bakterie som første gang ble karakterisert ... -
Candidatus Neoehrlichia mikurensis in Ixodes trianguliceps. Implications for the infectious cycle
(Master thesis, 2018)Ticks and its pathogen constitute a growing burden for animal and human health in the world. Ticks are blood-feeding parasites, which make them capable of transmitting various pathogens to their hosts that can cause ... -
Canines as biodetectors for conservational work: can they discriminate Rock ptarmigan from Willow ptarmigan?
(Master thesis, 2018)The main goals for conservation biology is to document the full range of biological diversity and human impact, along with developing plans, approaches and measures to prevent extinction of species. Alpine and arctic bird ... -
Canis lupus familiaris (hund) : oversikt over genetiske studier : genotyping og evaluering i forhold til adferd
(Master thesis, 2009)Denne mastergradsoppgaven tar for seg genetiske studier gjort på hund innen kreft, hjertelidelser og pelsfarge. I tillegg er 139 hunder fra rasene Samojedhund, Leonberger, Rottweiler, Flatcoated Retriever, Welsh Corgi ... -
Changes in the spread of malaria in Ethiopia : case study from Awassa and Hossana area 2006-2007
(Master thesis, 2008-06)Malaria is one of the world's most serious and complex public health problems. Four distinct specious of Plasmodium parasites, which are Plasmodium falciparum, Plasmodium vivax, Plasmodium malariae and Plasmodium ovale, ... -
Characteristics of soil profiles along the altitudinal gradients in Sikkilsdalen and Heimdalen mountains in Southeast Norway
(Master thesis, 2016)This thesis examines and compares the characteristics of soil profiles along the altitudinal gradients in Sikkilsdalen and Heimdalen, situated in southeast Norway on the basis of primary data collected from the north facing ... -
Chemical communication in yellow-bellied marmot (Marmota flaviventris) and brown bear (Ursus arctos)
(Master thesis, 2008-06-09) -
Co-occurrence of Borrelia afzelii and Neoehrlichia mikurensis in Ixodes ricinus ticks along the coast of Norway
(Master thesis, 2022)Borrelia afzelii (B. afzelii) and Neoehrlichia mikurensis (N. mikurensis) are the two most common tick-borne pathogens found in Ixodes ricinus ticks (I. ricinus) in Norway. A previous study by Pedersen et al. (2019) found ... -
Cyanobakterier : vannkvalitet, forekomst og toksinproduksjon i Norsjø 2008
(Master thesis, 2009)På bakgrunn av tidligere oppblomstringer av cyanobakterien Anabaena lemmermannii i Norsjø, er målsetningen å undersøke vannkvalitet, eventuelle forekomster av cyanobakterier og hvorvidt de er toksinproduserende. Norsjø ... -
Cyanobakterier og vannkvalitet i Åsrumvannet 2009. Toksinanalyser og genetiske studier
(Master thesis, 2010)Målsetningen for oppgaven var å kartlegge vannkvalitet og forekomst og toksisitet av cyanobakterier i Åsrumvannet 2009. Etter forslag fra Larvik kommune ble Åsrumvannet valgt da det var gjort lite eller ingen undersøkelser ... -
Cyanobakterier, alger og vannkvalitet i Mjøsas litoralsone
(Master thesis, 2021)Klimaendringer og eutrofiering er betraktet som de største truslene mot akvatiske økosystemer verden over. Disse prosessene har vist å øke forekomst og spredning av algeoppblomstringer. Mjøsa var overgjødslet i lang tid ... -
Deadwood in beaver (Castor fiber) habitat – a study with focus on polypore fungi and saproxylic insects
(Master thesis, 2020)Deadwood is known as a diversity indicator in a forest, where 20-25 % of all forest species in the Nordic countries are dependent on deadwood. 10.7 % of the saproxylic beetles in Europe and 37 % of the polypore fungi in ... -
Detection of cyanobacteria in Lake Akersvannet (Southern Norway) using metabarcoding and light microscopy
(Master thesis, 2022)Cyanobacteria can be found in freshwater and drinking water systems almost all over the world and with climate change and increasing temperature and precipitation, cyanobacterial growth and blooms are favoured. One important ... -
Dietary analysis of the brown bear (Ursus arctos) in Sweden 2015-2018
(Master thesis, 2019)Understanding dietary variation is crucial for a better understanding of a species’ ecology as well as for its effective management and conservation. Here I investigate the dietary variation of brown bears (Ursus arctos) ... -
Does temperature affect breeding success in cavity nesting birds?
(Master thesis, 2022)Nest box provision is used as a method to provide secondary cavity nesters with nesting spaces in areas where natural tree cavities are scarce. Orientation have been identified as a factor affecting the nest box temperature, ... -
The effect of hunting bans on population development in the willow grouse (Lagopus lagopus) in Norway
(Master thesis, 2020)The willow grouse (Lagopus lagopus) is by far the most popular small game species in Norway, and it is hunted annually throughout the country. However, during the last 20 years it has experienced a continuous decline, and ... -
Effect of sheep grazing and fertilization on species richness, diversity, and biomass in an alpine area in Central Norway
(Master thesis, 2020)Impact of herbivores in different ecosystems is an important subject in ecology. Herbivores have been shown to have a large and complex impacts on ecosystems around the world that can drive changes of plant community ... -
Effects of boreal forest wildfire on levels of metal and PAH in lacustrine sediments
(Master thesis, 2018)Entire catchments rich in acidic peatland, ponds, streams and lakes burned during a large boreal forest wildfire in Mykland (South-Eastern Norway) in 2008. Wildfire liberates accumulated metals, while incomplete combustion ...