Institutt for biologi
Recent Submissions
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The heterophil-to-lymphocyte (H/L) ratio indicates varying physiological characteristics in nestlings compared to adults in a long-lived seabird
(Journal article; Peer reviewed, 2024)The ratio of the innate heterophils to the acquired lymphocytes (the H/L-ratio) has been advo-cated as a good indicator of physiological stress. Little is known, however, about their develop-ment in wild birds. The present ... -
Global Roadkill Data: a dataset on terrestrial vertebrate mortality caused by collision with vehicles
(Peer reviewed; Journal article, 2025)Roadkill is widely recognized as one of the primary negative effects of roads on many wildlife species and also has socioeconomic impacts when they result in accidents. A comprehensive dataset of roadkill locations is ... -
Impacts of indirect species interactions in a simple climatedriven trophic system
(Doctoral theses at NTNU;2025:139, Doctoral thesis, 2025)Interspecific effects are a fundamental part of the dynamics of populations, as they can influence population abundances, species distributions, and resource availability, ultimately impacting community structure and ... -
A new species of Dainty Frog (Anura: Pyxicephalidae: Cacosternum) and the first endemic anuran to the Cederberg region of South Africa
(Journal article; Peer reviewed, 2024)Within the genus Cacosternum, the species C. capense and C. namaquense form a clade defined by their robust morphology, large size, and distinct dorsolateral glands. In this study, we describe a third member of the group ... -
Acute warming tolerance (CT<inf>max</inf>) in zebrafish (Danio rerio) appears unaffected by changes in water salinity
(Journal article; Peer reviewed, 2024)Tolerance against acute warming is an essential trait that can determine how organisms cope during heat waves, yet the mechanisms underlying it remain elusive. Water salinity has previously been suggested to modulate warming ... -
Tolerance of Phaeodactylum tricornutum to cadmium and hydrogen peroxide
(Master thesis, 2024)Siden starten på moderne jordbruk, industrialisering og urbanisering har omfanget av forurensning fra tungmetaller eskalert. Den økte mengden forurensning fra tungmetaller har blitt en stor bekymring, spesielt på grunn av ... -
Rare Earth Elements Dynamics in the Eurasian Basin of the Arctic Ocean
(Master thesis, 2024)Denne avhandlingen undersøker fordeling og oppførsel av sjeldne jordartsmetaller og yttrium (REY) i Polhavet, med vekt på deres kritiske rolle i forståelsen av biogeokjemiske prosesser i dette unike og raskt endrende ... -
Behavioural plasticity affects physiological plasticity and cross-tolerance between hypoxia and heat in an intertidal amphipod (Echinogammarus marinus)
(Master thesis, 2025)Klimaendringer intensiverer stresset på marine habitater gjennom stigende temperaturer og økende forekomst av hypoksiske hendelser, noe som skaper utfordringer for marine organismer. Strategier for å håndtere disse ... -
European pollen reanalysis, 1980–2022, for alder, birch, and olive
(Journal article; Peer reviewed, 2024)The dataset presents a 43 year-long reanalysis of pollen seasons for three major allergenic genera of trees in Europe: alder (Alnus), birch (Betula), and olive (Olea). Driven by the meteorological reanalysis ERA5, the ... -
Metals and other trace elements in plasma and feathers of seabirds breeding in Svalbard
(Peer reviewed; Journal article, 2024)We assessed the concentrations of metals and other trace elements in two of the most common seabird species breeding on Svalbard, the black-legged kittiwake (Rissa tridactyla) and the Brünnich's guillemot (Uria lomvia). ... -
Next Generation Thiazolyl Ketone Inhibitors of Cytosolic Phospholipase A2 α: from Synthesis to Chemotherapeutic Mechanism of Action
(Journal article; Peer reviewed, 2025)Eicosanoids regulate the pathologies of inflammation and carcinogenesis and limiting their production by inhibiting group IVA cytosolic phospholipase A2 (cPLA2α) is a potential approach to cancer treatment. Here we report ... -
Genetic Regulation of Diatom Photosynthesis
(Chapter, 2024)Diatoms (Bacillariophyceae) are considered to be the most diverse class of algae, including as many as 250 genera and having possibly as many as 200,000 species. Because of their complex evolutionary history, they are ... -
Rare earth elements and yttrium (REY) in fjord waters: Comparison between seawater in the Trondheimfjord (Norway), its local riverine REY sources and the North Atlantic
(Journal article; Peer reviewed, 2024)The rare earth elements and yttrium (REY) are critical resources increasingly released into the environment due to their pivotal role for an ever-growing number of high-tech products and processes. Fjords, worldwide and ... -
High Capacity for Physiological Plasticity Occurs at a Slow Rate in Ectotherms
(Journal article; Peer reviewed, 2025)Phenotypic plasticity enables organisms to express a phenotype that is optimal in their current environment. The ability of organisms to obtain the optimum phenotype is determined by their (i) capacity for plasticity, which ... -
“Influence of short-to-continuous and continuous photoperiods combined with elevated temperatures on sexual maturation in lumpfish (Cyclopterus lumpus, L. 1758)”
(Journal article; Peer reviewed, 2025)We tested the photothermal effects on sexual maturation in the broodstock of lumpfish (Cyclopterus lumpus) using short-to-continuous (LDL) and continuous (LL) photoperiods for 24 weeks, with temperature elevation during ... -
Bayesian marker-based principal component ridge regression – a flexible multipurpose framework for quantitative genetics in wild study systems
(Journal article, 2024)As larger genomic data sets become available for wild study populations, the need for flexible and efficient methods to estimate and predict quantitative genetic parameters, such as the adaptive potential and measures for ... -
On the importance of scale in evolutionary quantitative genetics
(Peer reviewed; Journal article, 2024)The informed use of scales and units in evolutionary quantitative genetics is often neglected, and naïve standardizations can cause misinterpretations of empirical results. A potentially influential example of such neglect ... -
Occurrence, bioaccumulation and trophic dynamics of per- and polyfluoroalkyl substances in two tropical freshwater lakes
(Journal article; Peer reviewed, 2024)We have investigated the occurrence, distribution, and biomagnification of per- and polyfluoroalkyl substances (PFAS) in two tropical lakes (Asejire and Eleyele) of Southwestern Nigeria, with contrasting urban intensities. ... -
Get it while it's hot: Benefits of a large herbivore exploiting stochastic resource pulses in a time of food scarcity
(Peer reviewed; Journal article, 2024)To persist in seasonal environments, animals track, exploit, and store energy when food is plentiful. Seasonal changes in plant phenology that are predictable allow animals to track abundant food resources. However, little ... -
Modelling heterogeneity in the classification process in multi-species distribution models can improve predictive performance
(Journal article; Peer reviewed, 2024)Species distribution models and maps from large-scale biodiversity data are necessary for conservation management. One current issue is that biodiversity data are prone to taxonomic misclassifications. Methods to account ...
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