Department of Biological Sciences
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Can machine-learning algorithms improve upon classical palaeoenvironmental reconstruction models?
(Journal article; Peer reviewed, 2024)Classical palaeoenvironmental reconstruction models often incorporate biological ideas and commonly assume that the taxa comprising a fossil assemblage exhibit unimodal response functions of the environmental variable of ... -
Hvilke klimavariabler er viktig for variasjon i diversitet og komposisjon av floraen på fjelltopper i Nord-Norge?
(Master thesis, 2024-11-20)Denne studien undersøker hvordan diversitet og komposisjon av karplanter på fjelltopper i Nord-Norge påvirkes av dagens klimatiske situasjon. Lignende studier har blitt gjennomført tidligere, men gjerne på et mer globalt ... -
Does pollinator-dependency in vascular plants affect the elevational range expansion of species in the northern Scandinavian mountains?
(Master thesis, 2024-11-20)Rising temperatures have led to the number of species increasing on mountain peaks across Europe. A greater increase in species richness leads to more competition for resources on the mountains which threatens local species. ... -
In vitro responses of Northern Elephant Seals (Mirounga angustirostris) endothelial cells to contaminants under hypoxic and high pressure conditions
(Master thesis, 2024-11-27)Northern elephant seals (Mirounga angustirostris), as apex predators in their marine ecosystem, are vital for maintaining ecological balance. These seals are expert divers, frequently reaching depths below 600 meters, where ... -
Aromatic plants in nests of blue tits (Cyanistes caeruleus)
(Master thesis, 2024-11-20)Blue tits (Cyanistes caeruleus) build their nests out of moss and line them with insulating materials such as feathers, fur, and hair. In the southern areas of the species distribution range, blue tits often add aromatic ... -
Hvilken effekt har klimaendringer hatt på økologiske samfunn i alpine områder?
(Master thesis, 2024-11-20)Hensikt: Økende global oppvarming kan skape store konsekvenser for det biologiske mangfoldet. Med økende temperaturer er det observert en økning av termofile arter, og/eller nedgang av kuldetolerante arter i alpine områder. ... -
Effekter av klimaendringer på artskomposisjon av karplanter på fjelltopper i Nord-Norge
(Master thesis, 2024-11-20)Global oppvarming fører til omfattende endringer i strukturen og sammensetningen av plantesamfunn. Særlig utsatt er økosystemer som befinner seg på de kaldeste marginene på jorden, som fjelltopper. Planter i disse områdene ... -
Does size matter? The importance of size and winter signal for the smoltification of Atlantic salmon (Salmo salar, Linnaeus 1758)
(Master thesis, 2024-10-29)In Atlantic salmon (Salmo salar L.) aquaculture, there has been a trend toward producing larger smolt in freshwater (FW) as a way to reduce production time in open net-pens at sea (SW). Earlier, the common way to induce ... -
The ontogeny of lymphoid organs and IgM+ B-cells in ballan wrasse (Labrus bergylta) reveals a potential site for extrarenal B-cell lymphopoiesis: The pancreas
(Journal article; Peer reviewed, 2024)Vaccination of farmed fish is the most effective prophylactic measure against contagious diseases but requires specific knowledge on when the adaptive immune system is fully developed. The present work describes kidney and ... -
Liver condition of 0 and 1-group cod (Gadus morhua) in the Barents Sea
(Journal article; Peer reviewed, 2024)Liver condition is hypothesized to be a better condition index for juvenile cod than other somatic condition indices, since cod store most of their excess energy in their liver. It is suggested that population changes in ... -
Population structure and history of North Atlantic Blue whales (Balaenoptera musculus musculus) inferred from whole genome sequence analysis
(Journal article; Peer reviewed, 2024)Knowledge of genetic diversity and structure is essential for developing conservation strategies for endangered species. Blue whales were hunted to near extinction in the mid-twentieth century. Not-withstanding almost ... -
Environmentally driven changes in Atlantic salmon oxidative status interact with physiological performance
(Journal article; Peer reviewed, 2024)Farmed Atlantic salmon in sea cages experience natural seasonal changes in seawater temperature and photoperiod. Atlantic salmon have more oxidized tissues in spring and early summer, and this corresponds to the period of ... -
Leukolectins support lifelong innate immunity in lower vertebrates, and reveal dichotomies of several leukocytic lineages
(Journal article; Peer reviewed, 2024)Innate immunity is vital for animal homeostasis and survival. First-line immuno-defense for fish larvae involves mucus enriched with leukolectin (LL) secreted by dermal lectocytes. Later during the critical transition from ... -
Post-mortem ‘soft flesh’ in three commercial fish species from off Atlantic Morocco associated with the myxosporean parasites Kudoa thyrsites and K. encrasicoli (Myxozoa)
(Journal article; Peer reviewed, 2024)Small pelagic fishes represent one of the most important food resources off the Northwest coast of Africa. Despite their economic significance, little is known about the infections with flesh invading myxosporean parasites ... -
Optimizing alkalinity control in recirculating aquaculture systems (RAS): A dynamic modelling approach
(Journal article; Peer reviewed, 2025)Maintaining good water quality is essential for successful fish production in land-based recirculating aquaculture systems (RAS). Numerous interdependent factors influence water quality parameters, making it difficult to ... -
Spatial restrictions inadvertently doubled the carbon footprint of Norway's mackerel fishing fleet
(Journal article; Peer reviewed, 2024)The ocean is increasingly used for industry, energy and recreation or protected for conservation, resulting in increasing spatial restrictions for fisheries. Simultaneously, producing seafood with a low climate footprint ... -
Hormonal regulation of the phenotype into environmentally appropriate pace-of-life syndromes
(Journal article; Peer reviewed, 2024)The risk of predation is an important driver that tailors life histories in various ways. Using an evolutionary model based on hormonal control, we study how different predation regimes affect adaptive risk-taking and ... -
Influence of salinity on rainbow trout (Oncorhynchus mykiss) smolt development and postsmolt performance
(Journal article; Peer reviewed, 2024)Rainbow trout aquaculture has large potential for growth, but requires better understanding of aspects like smoltification and its effect on trout performance after seawater transfer. The present study examined the effect ... -
Tolerance to fluctuating currents in farmed Atlantic salmon: a novel method to simulate offshore wave effects in the laboratory
(Journal article; Peer reviewed, 2024)To ensure acceptable animal welfare in emerging offshore Atlantic salmon aquaculture, it is crucial to understand the biological limits of the fish. Much work has been done on the effects of water currents, but few studies ... -
Stability study and validation of a liquid chromatography tandem mass spectrometry method for the quantitative analysis of polyphenols in fish feed ingredients
(Journal article; Peer reviewed, 2024)The perception of polyphenols as a safe, healthy, and sustainable solution for replacing synthetic antioxidants has been an important factor for their rapid growing in the global food market. Therefore, it is essential to ...
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