Browsing Master theses by Title
Now showing items 172-191 of 294
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Nest predation, reproductive investment, and environmental variability in Atlantic puffin (Fratercula arctica)
(Master thesis, 2021-06-30)For many species of birds, nest predation is one of the leading causes of reproductive failure. This has been especially apparent in island nesting seabirds, which have experienced rapid declines due to the introduction ... -
Network Analysis of Salmon Lice Infestations and Connectivity Between Farms: Exploring Cluster Isolation in Norwegian Salmon Farming
(Master thesis, 2024-06-26)Salmon lice (Lepeophtheirus salmonis) are a major constraint to the sustainable growth of the Norwegian salmon farming industry. Salmon farming in open net pens leads to a proliferation and transmission of salmon lice which ... -
Optimising cell wall disruption of microalgae biomass for release of nutrients and bioactive compounds for aquafeed and food applications
(Master thesis, 2019)Microalgae are photosynthetic organisms and primary producers of essential nutrients in the aquatic food chain. Although currently less exploited, microalgae culture can provide nutrients to cover the increasing demand for ... -
Otolith growth of herring (Clupea harengus) and sprat (Sprattus sprattus) in the Norwegian fjords
(Master thesis, 2022-06-01)Small pelagic fish play an important role in the ecosystem and are an important economical resource. The two most abundant pelagic fish in the Norwegian fjords are herring and sprat. It is documented that offshore sprat ... -
Pacific white shrimp (Litopenaeus vannamei) cultured in recirculating aquaculture systems (RAS). Effects of density on growth, mortality, and welfare
(Master thesis, 2024-06-03)Aquaculture is a rapidly growing industry and one of the most vital pillars in addressing the increasing global demand for food. Different farming systems and strategies have been developed to achieve more modern and ... -
Palaeovegetation and environment during Weichselian stadials and interstadials at Mamontovaya Kurja and Sokolova in the Pechora basin, northern Russia
(Master thesis, 2000)The vegetation and climate history of the Pechora area of northwestern Russia during the Early- and Mid Weichselian have been studied. Sediments from two sites have been analysed in this study; from Sokolova and Mamontovaya ... -
Paramoeba perurans and AGD in Norwegian aquaculture: effect of freshwater treatment against AGD on gill health in commercial production of Atlantic salmon (Salmo salar L.) and experimental testing of virulence of Paramoeba perurans
(Master thesis, 2021-06-11)Gill diseases are a major and increasing challenge with respect to fish health and welfare during the marine stage in Atlantic salmon farming. The causative agents for gill diseases are complex, and several pathogens are ... -
'Pasteurella atlantica genomovar salmonicida' - studier av overlevelse, evne til biofilmdannelse og antibiogram
(Master thesis, 2023-06-02)Pasteurellose forårsaket av ‘Pasteurella atlantica gv. salmonicida’ er en sykdom som gir store velferdsproblemer hos laks i Norge. Siden 2018 har sykdommen etablert seg som en pågående epidemi på vest-kysten av Norge. Det ... -
´Pasteurella atlantica genomovar salmonicida´- utvikling av selektive vekstmedium og undersøkelse av blåskjell (Mytilus edulis) som mulig reservoar
(Master thesis, 2024-06-03)Pasteurellose forårsaket av ‘Pasteurella. atlantica genomovar salmonicida’ har siden 2018 blitt et stort velferdsproblem hos norsk oppdrettslaks. Formålet med denne oppgaven var å utvikle en selektiv agar som gjør det ... -
Personlighet og læring blant biologistudenter: En kvantitativ pilotstudie av dyp prosessering og åpenhet for erfaring blant førsteårsstudenter i biologi
(Master thesis, 2019-12)Studenter har ulike måter å tilnærme seg læring på, og dette kan avhenge av for eksempel personlighetstrekk eller hvilken hensikt man har med læringsprosessen. En person som er åpen for nye erfaringer vil gjerne ha en ... -
Perspectives on intended learning outcomes in the field course and their assessment
(Master thesis, 2020-03-31)This thesis examines the assessment practices of biology courses at the University level that feature a fieldwork component (field course). Seven professors who teach and administrate such courses were interviewed about ... -
Piscine orthoreovirus-1 (PRV-1) infection dynamics: Investigation through temporal profiling of factors affecting viral susceptibility, infectiousness, and persistence in Atlantic salmon
(Master thesis, 2024-02-15)In recent years, Norway has accounted for >50% of the global commercial production of Atlantic salmon. This growth in production has also resulted in an increased emergence of several viral diseases. Heart and skeletal ... -
Plastic Degrading Potential of Arctic Deep-Sea Hydrothermal Microbiomes
(Master thesis, 2023-05-16) -
Pollinating bees in fruit orchards of Western Norway: 1. Where the Wild Bees Are: Exploring how the landscape context influences the abundance and diversity of wild bees visiting apple orchards 2.The foraging preference and behavior of managed and wild bees in apple and pear orchards
(Master thesis, 2022-03-14)1) Abstract. Several studies have found that the presence of natural and semi-natural habitats is beneficial, particularly for wild bees visiting crops. These relatively undisturbed areas provide essential foraging and ... -
Pollination, wild bee communities and seed development in apple orchards of Sogn and Hardanger in Western Norway
(Master thesis, 2022-09-06)Human progression has led to and is still creating massive land use changes. This is the main driver of biodiversity loss, and we are currently living in the sixth mass extinction. Increased human populations need increased ...