Blar i NIVA Open Access Archive på forfatter "Rundberget, Thomas"
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Age and Synchronization of Daphnia magna Affect Sensitivity to Teflubenzuron in Acute Standardized Toxicity Tests
Nordblad Schmidt, Simon; Rundberget, Thomas; Song, You; Tollefsen, Knut-Erik (Peer reviewed; Journal article, 2023)The standard Daphnia sp. acute toxicity test for assessing the adverse effects of chemicals on aquatic invertebrates stipulates the use of neonates that are ≤24 h old (hours post release [hpr]) at the start of the exposure. ... -
Assessing Stress Resilience After Smolt Transportation by Waterborne Cortisol and Feeding Behavior in a Commercial Atlantic Salmon (Salmo salar) Grow-Out Recirculating Aquaculture System
Höglund, Erik; Fernandes, Paulo; Rojas-Tirado, Paula Andrea; Rundberget, Thomas; Hess-Erga, Ole-Kristian (Peer reviewed; Journal article, 2022)Sampling protocols and water quality sensors have been developed to assess fish health and welfare in recirculating aquaculture systems (RASs). Still, the use of fish-based non-invasive welfare indicators, reflecting the ... -
Bioavailability and bioaccumulation of perfluorinated compounds (PFAS) in a polluted river sediment
Schaanning, Morten; Rundberget, Thomas; Jenssen, Marthe Torunn Solhaug (NIVA-rapport;7472, Research report, 2020)An experiment was performed to contribute to the environmental risk assessment of the perfluorinated compounds (PFAS) in sediments collected nearby a closed down factory in Oppland, Norway. The sediments were placed in ... -
Diversity of cyanobacteria and cyanotoxins in Hartbeespoort Dam, South Africa
Ballot, Andreas; Sandvik, Morten; Rundberget, Thomas; Botha, Christo J.; Miles, Christopher O. (Journal article; Peer reviewed, 2014)The South African Hartbeespoort Dam is known for the occurrence of heavy Microcystis blooms. Although a few other cyanobacterial genera have been described, no detailed study on those cyanobacteria and their potential toxin ... -
Effect-Directed Analysis Based on Transthyretin Binding Activity of Per- and Polyfluoroalkyl Substances in a Contaminated Sediment Extract
Langberg, Håkon A.; Choyke, Sarah; Hale, Sarah E.; Koekkoek, Jacco; Cenijn, Peter H.; Lamoree, Marja H.; Rundberget, Thomas; Jartun, Morten; Breedveld, Gijs D.; Jenssen, Bjørn M.; Higgins, Christopher P.; Hamers, Timo (Peer reviewed; Journal article, 2023)Only a fraction of the total number of per- and polyfluoroalkyl substances (PFAS) are monitored on a routine basis using targeted chemical analyses. We report on an approach toward identifying bioactive substances in ... -
Effects of simulated environmental discharges of the salmon lice pesticides deltamethrin and azamethiphos on the swimming behaviour and survival of adult Northern shrimp (Pandalus borealis)
Bamber, Shaw; Rundberget, Thomas; Kringstad, Alfhild; Bechmann, Renée Katrin (Peer reviewed; Journal article, 2021)Swimming behaviour was investigated in adult egg-carrying northern shrimp (Pandalus borealis) exposed to dilute concentrations of the pesticides Alpha Max® (active ingredient deltamethrin) and Salmosan® (active ingredient ... -
Environmental Contaminants in an Urban Fjord, 2018
Ruus, Anders; Bæk, Kine; Rundberget, Thomas; Allan, Ian; Beylich, Bjørnar; Schlabach, Martin; Warner, Nicholas Alexander; Borgå, Katrine; Helberg, Morten (NIVA-rapport;7410, Research report, 2019)This programme, “Environmental Contaminants in an Urban Fjord” has covered sampling and analyses of sediment and organisms in a marine food web of the Inner Oslofjord, in addition to samples of blood and eggs from herring ... -
Environmental Contaminants in an Urban Fjord, 2019
Ruus, Anders; Bæk, Kine; Rundberget, Thomas; Allan, Ian; Beylich, Bjørnar; Vogelsang, Christian; Schlabach, Martin; Götsch, Arntraut; Borgå, Katrine; Helberg, Morten (NIVA-rapport;7555, Research report, 2020)This programme, “Environmental Contaminants in an Urban Fjord” has covered sampling and analyses of sediment and organisms in a marine food web of the Inner Oslofjord, in addition to samples of blood and eggs from herring ... -
Environmental Contaminants in an Urban Fjord, 2020
Grung, Merete; Jartun, Morten; Bæk, Kine; Ruus, Anders; Rundberget, Thomas; Allan, Ian; Beylich, Bjørnar; Vogelsang, Christian; Schlabach, Martin; Hanssen, Linda; Borgå, Katrine; Helberg, Morten (NIVA-rapport;7674, Research report, 2021)This programme, “Environmental Contaminants in an Urban Fjord” has covered sampling and analyses of sediment and organisms in a marine food web of the Inner Oslofjord, in addition to samples of blood and eggs from herring ... -
Environmental Contaminants in an Urban Fjord, 2021
Ruus, Anders; Grung, Merete; Jartun, Morten; Bæk, Kine; Rundberget, Thomas; Vogelsang, Christian; Beylich, Bjørnar; Lund, Espen; Allan, Ian; Schlabach, Martin; Hansen, Linda; Enge, Ellen Katrin (NIVA-rapport;7762-2022, Research report, 2022)This report presents data from the first year of a new 5-year period of the Urban Fjord programme. The programme started in 2013 and has since been altered/advanced. In 2021 the programme covers sampling and analyses of ... -
Environmental Contaminants in an Urban Fjord, 2022
Ruus, Anders; Grung, Merete; Jartun, Morten; Bæk, Kine; Rundberget, Thomas; Beylich, Bjørnar; Hanssen, Linda; Borgå, Katrine; Helberg, Morten (NIVA-rapport;7873-2033, Research report, 2023)This report presents data from the second year of a new 5-year period of the Urban Fjord programme. The programme started in 2013 and has since been altered/advanced. In 2022 the programme covers sampling and analyses of ... -
Environmental contaminants in freshwater food webs, 2021
Jartun, Morten; Økelsrud, Asle; Bæk, Kine; Ruus, Anders; Rundberget, Thomas; Vogelsang, Christian; Jenssen, Marthe Torunn Solhaug; Lund, Espen; Grung, Merete; Øxnevad, Sigurd; Enge, Ellen Katrin; Schlabach, Martin; Hanssen, Linda; Johansen, Ingar (NIVA-rapport;7794-2022, Research report, 2022)This report presents monitoring data from freshwater food webs and abiotic samples from Lake Mjøsa and Femunden within the Milfersk programme. Studies and monitoring of legacy and emerging contaminants have been carried ... -
Evaluation of the sensitivity, responsiveness and reproducibility of primary rainbow trout hepatocyte vitellogenin expression as a screening assay for estrogen mimics
Hultman, Maria Thérése; Rundberget, Thomas; Tollefsen, Knut-Erik (Journal article; Peer reviewed, 2014)Vitellogenin (Vtg) induction in primary fish hepatocytes has been proposed as an in vitro screening assay for ER agonists and antagonists, but has not yet been used extensively as a high-throughput screening tool due to ... -
Fast and accurate on-site determination of rotenone in water during fish control treatments using liquid chromatography
Sandvik, Morten; Waaler, Thor Arnulf; Rundberget, Thomas; Adolfsen, Pål; Bardal, Helge; Sandodden, Roar (Journal article; Peer reviewed, 2018)A fast, accurate and simple method using liquid chromatography (LC) with UV detection was used for the on-site determination of the piscicide rotenonein water during fish control treatments. Sample volumes of 10 to 40 µL ... -
Fluorinated Precursor Compounds in Sediments as a Source of Perfluorinated Alkyl Acids (PFAA) to Biota
Langberg, Håkon Austad; Breedveld, Gijs D.; Slinde, Gøril Aasen; Grønning, Hege Mentzoni; Høisæter, Åse; Jartun, Morten; Rundberget, Thomas; Jenssen, Bjørn Munro; Hale, Sarah (Peer reviewed; Journal article, 2020)The environmental behavior of perfluorinated alkyl acids (PFAA) and their precursors was investigated in lake Tyrifjorden, downstream a factory producing paper products coated with per- and polyfluorinated alkyl substances ... -
High sensitivity to dietary imidacloprid exposure in early life stages of Folsomia quadrioculata (Collembola) populations from contrasting climates
Sengupta, Sagnik; Leinaas, Hans Petter; van Gestel, Cornelis A.M.; Jager, Tjalling; Rundberget, Thomas; Borgå, Katrine (Peer reviewed; Journal article, 2023)Survival of early life stages is critical for population growth. Understanding the vulnerability of these sensitive stages can therefore improve ecological risk predictions. The globally-used neonicotinoid insecticide ... -
Identification of 24-O-β-d-Glycosides and 7-Deoxy-Analogues of Okadaic Acid and Dinophysistoxin-1 and -2 in Extracts from Dinophysis Blooms, Dinophysis and Prorocentrum Cultures, and Shellfish in Europe, North America and Australasia
Wilkins, Alistair L.; Rundberget, Thomas; Sandvik, Morten; Rise, Frode; Knudsen, Brent K.; Kilcoyne, Jane; Reguera, Beatriz; Rial, Pilar; Wright, Elliot J.; Giddings, Sabrina D.; Boundy, Michael J.; Rafuse, Cheryl; Miles, Christopher O. (Peer reviewed; Journal article, 2021)Two high-mass polar compounds were observed in aqueous side-fractions from the purification of okadaic acid (1) and dinophysistoxin-2 (2) from Dinophysis blooms in Spain and Norway. These were isolated and shown to be ... -
Interlaboratory Comparison of Extractable Organofluorine Measurements in Groundwater and Eel (Anguilla rostrata): Recommendations for Methods Standardization
Ruyle, Bridger J.; Pickard, Heidi M.; Schultes, Lara; Fredriksson, Felicia; Heffernan, Amy L.; Knappe, Detlef R. U.; Lord, Heather L.; Meng, Pingping; Mills, Marc A.; Ndungu, Kuria; Roesch, Philipp; Rundberget, Thomas; Tettenhorst, Daniel R.; Van Buren, Jean; Vogel, Christian; Westerman, Danielle C.; Yeung, Leo W. Y.; Sunderland, Elsie M. (Peer reviewed; Journal article, 2023)Research on per- and polyfluoroalkyl substances (PFAS) frequently incorporates organofluorine measurements, particularly because they could support a class-based approach to regulation. However, standardized methods for ... -
Miljøgifter i store norske innsjøer, 2013
Fjeld, Eirik; Bæk, Kine; Rognerud, Sigurd; Rundberget, Thomas; Schlabach, Martin; Warner, Nicholas Alexander (NIVA-rapport;6677, Research report, 2014)Forekomsten av kvikksølv, sykliske volatile metylerte siloksaner (cVMS), PCB, perfluorerte alkylforbindelser (PFAS) og flammehemmere av typen polybromerte difenyletere (PBDE) ble undersøkt i fisk (storørret, krøkle og sik) ... -
Miljøgifter i store norske innsjøer, 2014
Fjeld, Eirik; Bæk, Kine; Rognerud, Sigurd; Rundberget, Thomas; Schlabach, Martin; Warner, Nicholas Alexander (NIVA-rapport;6901, Research report, 2015)Vi rapporterer her om forekomsten av miljøgifter i de pelagiske næringskjedene i innsjøene Mjøsa, Randsfjorden og Femunden, samt i supplerende materiale av fisk fra Tyrifjorden og Vansjø, innsamlet i 2014. Kvikksølv og ...