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The Rapid Expansion of the Jumping Snail Ovachlamys fulgens in Brazil
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-29)The exotic Japanese jumping snail, Ovachlamys fulgens, was first recorded in Santa Catarina state, Brazil, in 2013. Based on data gathered from the literature, natural history collections, field samplings, and the iNaturalist platform, we assess its current distribution in the country. Our data show that the jumping snail has had a dramatic range expansion since its introduction, reaching six ... -
Norwegian and Russian Mining and Mining Communities in Monica Kristensen's Oeuvre
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-16)Monica Kristensen is a Norwegian glaciologist, meteorologist, polar explorer and author of fiction (crime novels) and nonfiction (about expeditions, Svalbard, The Kings Bay Affair, and Roald Amundsen). In her altogether five crime novels, all of which take place in Svalbard, the plot is inextricably bound to place, i.e. to the Arctic. In two of her five crime novels, Kullunge and Den døde i Barentsburg, ... -
Assessing Trauma Management in Urban and Rural Populations in Norway: A National Register-Based Research Protocol
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-17)Background: Time is considered an essential determinant in the initial care of trauma patients. In Norway, response time (ie, time from dispatch center call to ambulance arrival at scene) is a controversial national quality indicator. However, no national requirements for response times have been established. There is an ongoing debate regarding the optimal configuration of the Norwegian trauma ... -
Continuous refinements of some Jensen-type inequalities via strong convexity with applications
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-23)In this paper we prove new continuous refinements of some Jensen type inequalities in both direct and reversed forms. As applications we also derive some continuous refinements of Hermite–Hadamard, Hölder, and Popoviciu type inequalities. As particular cases we point out the corresponding results for sums and integrals showing that our results contain both several well-known but also some new ... -
The impact of climate sensitive factors on the exposure to organohalogenated contaminants in an aquatic bird exploiting both marine and freshwater habitats
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-27)To assess how climate-sensitive factors may affect the exposure to organochlorines (OCs) and perfluoroalkyl substances (PFASs), we monitored concentrations in eggs of the common goldeneye (<i>Bucephala clangula</i>) over two decades (1999–2019) in central Norway. The goldeneye alternates between marine and freshwater habitats and is sensitive to climate variation, especially due to alterations in ... -
Changes in cesarean section rates after introduction of a punitive financial policy in Georgia: A population-based registry study 2017-2019
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-19)Background<p> <p>There is little research on how financial incentives and penalties impact national cesarean section rates. In January 2018, Georgia introduced a national cesarean section reduction policy, which imposes a financial penalty on hospitals that do not meet their reduction targets. The aim of this study was to assess the impact of this policy on cesarean section rates, subgroups of ... -
Use of Selective Serotonin Reuptake Inhibitors – Validity of Self-Report versus Plasma Concentrations and Pharmacy Dispensations – A Cross-Sectional Analysis of the Norwegian Women and Cancer Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-30)Purpose: To validate self-reported current use of selective serotonin reuptake inhibitors (SSRI) in the Norwegian Women and Cancer study (NOWAC) and to identify factors associated with discordance between data sources.<p> <p>Material and Methods: This is a cross-sectional record-linkage study comparing SSRI-use derived from four data sources: 1) Specific SSRI questions in the main NOWAC questionnaire, ... -
Memorable tourism experiences and critical outcomes among nature-based visitors: a fuzzy-set qualitative comparative analysis approach
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-11)Intense global competition for natural resources, manifesting in negative environmental externalities, has forced hospitality and tourism stakeholders to adopt strategies that may result in economic growth in tandem with environmental conservation. One such strategy is to cultivate travellers’ loyalty to the tourism destinations and encourage them to participate in environmentally friendly ... -
Evaluation of an emergent feature of sub-shelf melt oscillations from an idealized coupled ice sheet-ocean model using FISOC (v1.1) - ROMSIceShelf (v1.0) - Elmer/Ice (v9.0)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-15)Changes in ocean-driven basal melting have a key influence on the stability of ice shelves, the mass loss from the ice sheet, ocean circulation, and global sea level rise. Coupled ice sheet–ocean models play a critical role in understanding future ice sheet evolution and examining the processes governing ice sheet responses to basal melting. However, as a new approach, coupled ice sheet–ocean systems ... -
Biogeochemistry of dissolved organic matter in Arctic Ocean waters charged with methane
(Doctoral thesis; Doktorgradsavhandling, 2022-11-25)Dissolved organic matter (DOM) is defined as organic matter that is smaller than a nominal pore size filter (e.g., 0.7 µm) that passes through during the filtration of aquatic samples. It comprises the largest reservoir of reduced carbon (700 Pg C) in the oceans. The DOM pool is in close interaction with all the elemental cycles and food chains in the ocean and is an essential component in the marine ... -
Effectiveness of work-related interventions for return to work in people on sick leave: a systematic review and meta-analysis of randomized controlled trials
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-05)Background: Long-term sick leave is a serious concern in developed countries and the cost of sickness absence and disability benefits cause major challenges for both the individual and society as a whole. Despite an increasing body of research reported by existing systematic reviews, there is uncertainty regarding the effect on return to work of workrelated interventions for workers with different ... -
Drivers of behavioural transition in foraging adult female southern elephant seals (Mirounga leonina) tracked from Bouvetøya
(Master thesis; Mastergradsoppgave, 2022-10-18)Southern elephant seals are abundant top trophic predators with a circumpolar distribution in the Southern Ocean. They spend up to 80% of their life at sea on long-ranging migrations to remote foraging grounds. During breeding and moulting they haulout on subantarctic islands. During these migrations they dive continuously to great depth, encountering various environmental conditions. They ... -
South African Healthcare Professionals’ Knowledge, Attitudes, and Practices Regarding Environmental Sustainability in Healthcare: A Mixed-Methods Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-16)Climate change, biodiversity loss and large-scale environmental degradation are widely recognized as the biggest health threats of the 21st century, with the African continent already amongst the most severely affected and vulnerable to their further progression. The healthcare system’s contribution to climate change and environmental degradation requires healthcare professionals to address environmental ... -
Depressive symptoms in the general population: The 7th Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-10)Background: The prevalence of depressive symptoms may differ in various age groups. The aim of the study was to investigate the point-prevalence of depressive symptoms in the adult general population and in various age groups. The impact of sex, marital status, education, and social support on depressive symptoms was also explored.<p> <p>Methods: The population ≥40 years in the city of Tromsø, ... -
Mechanisms of antibiotic action shape the fitness landscapes of resistance mutations
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-24)Antibiotic-resistant pathogens are a major public health threat. A deeper understanding of how an antibiotic’s mechanism of action influences the emergence of resistance would aid in the design of new drugs and help to preserve the effectiveness of existing ones. To this end, we developed a model that links bacterial population dynamics with antibiotic-target binding kinetics. Our approach allows ... -
Design for Deconstruction and Disassembly: Barriers, Opportunities, and Practices in Developing Economies of Central Asia
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-10)Construction waste management is becoming an emerging issue in light of the massive increase in construction activities in the developing economies as part of their rapid economic growth. The gradual tightening of building regulations towards energy consumption creates the need to decrease the building materials and components during construction, and one of the proposed ways to achieve it is to ... -
Age prediction by deep learning applied to Greenland halibut (Reinhardtius hippoglossoides) otolith images
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-11-04)Otoliths (ear-stones) in the inner ears of vertebrates containing visible year zones are used extensively to determine fish age. Analysis of otoliths is a time-consuming and difficult task that requires the education of human experts. Human age estimates are inconsistent, as several readings by the same human expert might result in different ages assigned to the same otolith, in addition to an ... -
Excess DHA Induces Liver Injury via Lipid Peroxidation and Gut Microbiota-Derived Lipopolysaccharide in Zebrafish
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-28)Being highly unsaturated, n-3 long-chain polyunsaturated fatty acids (LC-PUFAs) are prone to lipid peroxidation. In this study, zebrafish were fed with low-fat diet (LFD), high-fat diet (HFD), or 2% DHA-supplemented HFD (HFDHA2.0). To study the possible negative effects of the high level of dietary DHA, growth rates, blood chemistry, liver histology, hepatic oxidative stress, apoptosis, and ... -
Svalbard reindeer winter diets: Long-term dietary shifts to graminoids in response to a changing climate
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-07)Arctic ecosystems are changing dramatically with warmer and wetter conditions resulting in complex interactions between herbivores and their forage. We investigated how Svalbard reindeer (Rangifer tarandus platyrhynchus) modify their late winter diets in response to long-term trends and interannual variation in forage availability and accessibility. By reconstructing their diets and foraging ... -
Why are Svalbard Arctic foxes Brucella spp. seronegative?
(Journal article; Tidsskriftartikkel, 2022-07-06)Arctic foxes (Vulpes lagopus) are susceptible to smooth Brucella (s-Brucella) infection and may be exposed to such bacteria through the consumption of infected marine mammals, as implied by the finding of s-Brucella antibodies in polar bears (Ursus maritimus). Arctic foxes in Svalbard have not previously been investigated for s-Brucella antibodies, but such antibodies have been detected in Arctic ...