Blar i Publikasjoner fra Cristin - NIVA på tittel
Viser treff 581-600 av 2148
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Five decades of declining methylmercury concentrations in boreal foodwebs suggest pivotal role for sulphate deposition
(Peer reviewed; Journal article, 2020)Widespread declines in mercury (Hg) in fish in pristine lakes in Fennoscandia since the 1970s are unexplained. Interactions between climate, atmospheric deposition, and elemental cycling of carbon (C), sulphur (S) and Hg ... -
Fjæresoneundersøkelser ved Lutelandet i 2014
(NIVA-rapport;7024, Research report, 2016)Formålet med undersøkelsen var å dokumentere den økologiske tilstanden på hardbunn i fjæresonen utenfor det planlagte industriområdet ved Lutelandet i Sogn og Fjordane. Det ble foretatt en registrering av makroskopiske ... -
Flensjøen i kommuene Røros og Os 2018. Status for vannkvalitet og biologiske forhold etter kalking i perioden 2005-2013
(NIVA-rapport;7398, Research report, 2019)Rapporten omhandler vannkvalitet og biologiske forhold inklusive fisk i Flensjøen etter kalking. Innsjøens vannkvalitet viste bedring fra 1970- og 1980-tallet og fram til 2005, før kalking. Kalking ble gjennomført i 2005 ... -
Flensjøen i kommunene Røros og Os 2013. Status for vannkvalitet og biologiske forhold etter kalking siden 2005
(NIVA-rapport;6835, Research report, 2015)Rapporten omhandler vannkvalitet og biologiske forhold inklusive fisk i Flensjøen etter kalking. Innsjøens vannkvalitet viste før kalking en bedring fra 1970- og 1980-tallet og fram til 2005. Kalkingen, som startet opp i ... -
Flensjøen i kommunene Røros og Os 2016. Status for vannkvalitet og biologiske forhold etter kalking i perioden 2005-2013.
(NIVA-rapport;7172, Research report, 2017)Rapporten omhandler vannkvalitet og biologiske forhold inklusive fisk i Flensjøen etter kalking. Innsjøens vannkvalitet viste bedring fra 1970- og 1980-tallet og fram til 2005, før kalking. Kalkingen har bidratt til en ... -
Floating Riverine Litter Flux to the White Sea: Seasonal Changes in Abundance and Composition
(Peer reviewed; Journal article, 2023)Arctic rivers bring litter from their basins to the sea, but accurate data for the Arctic do not exist yet. This study presents the first assessment of floating macro litter input (>2.5 cm) from the Northern Dvina and Onega ... -
Flood mitigation options to reduce flooding risks in Bjørkelangen town
(NIVA-rapport;7649, Research report, 2021)We assessed three different flood mitigation options, based on simple models, to reduce flooding problems in Bjørkelangen town. The mitigation options i) small debris dams, ii) re-meandering of Lierelva, and iii) restoration ... -
Flow Cytometric Analysis of Bacterial Protein Synthesis: Monitoring Vitality After Water Treatment
(Peer reviewed; Journal article, 2021)Bacterial vitality after water disinfection treatment was investigated using bio-orthogonal non-canonical amino acid tagging (BONCAT) and flow cytometry (FCM). Protein synthesis activity and DNA integrity (BONCAT–SYBR ... -
Fluorinated Precursor Compounds in Sediments as a Source of Perfluorinated Alkyl Acids (PFAA) to Biota
(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 ... -
Fluorine mass balance analysis of selected environmental samples from Norway
(Peer reviewed; Journal article, 2021)The presence of unidentified organofluorine compounds (UOF) has been investigated in recent publication, but their environmental occurrence is still poorly understood. Fluorine mass balance analysis was performed on ... -
Fluxes of carbon and nutrients to the Iceland Sea surface layer and inferred primary productivity and stoichiometry
(Journal article; Peer reviewed, 2015)This study evaluates long-term mean fluxes of carbon and nutrients to the upper 100m of the Iceland Sea. The study utilises hydro-chemical data from the Iceland Sea time series station (68.00 N, 12.67 W), for the years ... -
Forbedring av oksygenforhold ved kunstig omrøring i Oslofjorden
(NIVA-rapport;7874-2023, Research report, 2023)Indre Oslofjorden har ca. 11,4 km² med havbunn hvor vannmassen over er periodevis eller permanent anoksisk. I denne rapporten blir effekt av nedpumping av overflatevann på oksygenforholdene modellert. Det blir dokumentert ... -
Forecasted Shifts in Thermal Habitat for Cod Species in the Northwest Atlantic and Eastern Canadian Arctic
(Peer reviewed; Journal article, 2021)Climate change will alter ecosystems and impose hardships on marine resource users as fish assemblages redistribute to habitats that meet their physiological requirements. Marine gadids represent some of the most ecologically ... -
Forecasting water temperature in lakes and reservoirs using seasonal climate prediction
(Peer reviewed; Journal article, 2021)Seasonal climate forecasts produce probabilistic predictions of meteorological variables for subsequent months. This provides a potential resource to predict the influence of seasonal climate anomalies on surface water ... -
Forekomst av antibiotikaresistensgener og fjerning av antibiotikaresistente E. coli i to norske avløpsrenseanlegg
(Journal article; Peer reviewed, 2018)Effektiviteten av de ulike behandlingstrinnene for fjerning av antibiotikaresistente E. coli i avløpsvann fra to store avløpsrenseanlegg i Oslo ble undersøkt. Renseanleggene reduserer den totale mengden kultiverbare E. ... -
Forekomst og utslipp av seksverdig krom i sigevann fra Deponi 2.1 ved Glencore Manganese Norway AS, Mo i Rana
(NIVA-rapport;6949, Research report, 2016)NIVA har gjennomført en kritisk gjennomgang og miljøfaglig vurdering av størrelsene, årsakene og mulige miljøkonsekvenser av utslipp av seksverdig krom fra Glencore Manganese Norway AS sitt Deponi 2.1 ved Mo Industripark ... -
Forest harvest effects on mercury in streams and biota in Norwegian boreal catchments
(Journal article; Peer reviewed, 2014)Forest harvesting practices can potentially increase mercury run-off from catchments. A paired catchment experiment was conducted in a boreal forest in southern Norway, to test effects of forest harvest operations on (i) ... -
Forested Riparian Zones Provide Important Habitat for Fish in Urban Streams
(Peer reviewed; Journal article, 2021)Riparian zones form a boundary between aquatic and terrestrial ecosystems, with disproportionate influences on food web dynamics and ecosystem functioning in both habitats. However, riparian boundaries are frequently ... -
Forhold for overlevelse av Gyrodactylus salaris i Oslofjorden
(NIVA-rapport;7814-2023, Research report, 2023)I denne rapporten har modellkjøringer med FjordOs-modellen blitt kalibrert mot målinger av saltholdighet i overflatelaget i Oslofjorden. Disse modellresultatene er brukt for å vurdere muligheten for at vandrende laks kan ... -
Formation and availability of methylmercury in mercury-contaminated sediment: effects of activated carbon and biochar amendments
(Peer reviewed; Journal article, 2022)Purpose As the formation of toxic and bioaccumulative methylmercury (MeHg) in Hg-contaminated sediments is of great concern worldwide, suitable remediation options are needed. Activated carbon (AC) amendment is a contested ...