Browsing Publikasjoner fra Cristin - NIVA by Title

Now showing items 1005-1024 of 2149

    • Mercury in air and soil on an urban-rural transect in East Africa 

      Nipen, Maja; Jørgensen, Susanne Jøntvedt; Bohlin-Nizzetto, Pernilla; Borgå, Katrine; Breivik, Knut; Mmochi, Aviti J; Mwakalapa, Eliezer; Quant, M. Isabel; Schlabach, Martin; Vogt, Rolf David; Wania, Frank (Peer reviewed; Journal article, 2022)
      There are large knowledge gaps concerning concentrations, sources, emissions, and spatial trends of mercury (Hg) in the atmosphere in developing regions of the Southern Hemisphere, particularly in urban areas. Filling these ...

    • Mercury in fish from Norwegian lakes: The complex influence of aqueous organic carbon 

      Braaten, Hans Fredrik Veiteberg; de Wit, Heleen; Larssen, Thorjørn; Poste, Amanda (Journal article; Peer reviewed, 2018)
      Mercury (Hg) concentrations in water and biota are often positively correlated to organic matter (OM), typically measured as total or dissolved organic carbon (TOC/DOC). However, recent evidence suggests that higher OM ...

    • Mercury in the Barents region – River fluxes, sources, and environmental concentrations 

      Gundersen, Cathrine Brecke; Yakushev, Evgeniy; Terentjev, Petr; Kashulin, Nikolai; Korobov, Vladimir; Frolova, Natalia; Romanov, Alexander; Jermilova, Una; Lokhov, Alexey; Miskevich, Igor; Kotova, Ekaterina; Steindal, Eirik Hovland; Braaten, Hans Fredrik Veiteberg (Peer reviewed; Journal article, 2023)
      Arctic rivers are receiving increased attention for their contributing of mercury (Hg) to the Arctic Ocean. Despite this, the knowledge on both the terrestrial release sources and the levels of Hg in the rivers are limited. ...

    • Mercury in the submerged macrophytes Potamogeton crispus and Chara virgate from the brackish, industrial affected Gunneklevfjorden, southern Norway 

      Olsen, Marianne; Sørensen, Cecilie; Lydersen, Espen (Journal article; Peer reviewed, 2016)
      Kvikksølv i krustjønnaks Potamogeton crispus og kransalgen Chara virgate i Gunneklevfjorden, en industripåvirket brakkvannsfjord i Norge. Total kvikksølv (Tot-Hg) og metylkvikksølv (Met-Hg) ble analysert månedlig fra mai ...

    • Mercury isotope analysis of sediments from Gunneklevfjorden – Method evaluation and a preliminary investigation of sources 

      Braaten, Hans Fredrik Veiteberg; Johnson, Nathan W; Clayer, Francois; Beylich, Bjørnar; Håvardstun, Jarle; Schaanning, Morten; Olsen, Marianne (NIVA-rapport;7417, Research report, 2019)
      Gunneklevfjorden in south Norway is an aquatic system where the pollution history includes decades of local industry releases and emissions. An accurate estimate of the importance of ongoing and historic sources is critical ...

    • Mercury Risk Evaluation, Risk Management and Risk Reduction Measures in the Arctic (ARCRISK) – Inception Report 

      Gundersen, Cathrine Brecke; Braaten, Hans Fredrik Veiteberg; Steindal, Eirik Hovland; Moe, S. Jannicke; Yakushev, Evgeniy; Christensen, Guttorm; Kirk, Jane; Hintelmann, Holger; Frolova, Natalia; Terentjev, Petr; Roberts, Sarah (NIVA-rapport;7489, Research report, 2020)
      The project “Risk evaluation, risk reduction and risk management action plans for mercury in the Arctic – a circumpolar management approach” (ARCRISK) has been developed to address mercury pollution in the Arctic. The main ...

    • Mercury–Organic Matter Interactions in Soils and Sediments: Angel or Devil? 

      He, Mei; Tian, Lei; Braaten, Hans Fredrik Veiteberg; Wu, Qingru; Luo, Jie; Cai, Li-Mei; Meng, Jiang-Hui; Lin, Yan (Journal article; Peer reviewed, 2019)
      Many studies have suggested that organic matter (OM) substantially reduces the bioavailability and risks of mercury (Hg) in soils and sediments; however, recent reports have supported that OM greatly accelerates Hg methylation ...

    • Mesocosm study with thermally treated (TCC) and water-based drill cuttings (WBM) 

      Trannum, Hilde Cecilie; Schaanning, Morten; Johansen, Joachim; Moodley, Leon; Westerlund, Stig; Baussant, Thierry (NIVA-rapport;7033, Research report, 2016)
      Mesocosm and bottle slurry experiments were conducted to assess and compare the effects of thermally treated cuttings (TCC) versus cuttings with water-based mud (WBM) on benthic communities. While WBM has been discharged ...

    • Mesokosmos-forsøk med avgang fra Titania - effekt på bløtbunnsfauna 

      Trannum, Hilde Cecilie; Schaanning, Morten (NIVA-rapport;7223, Research report, 2017)
      Det er utført et mesokosmos-forsøk med gruveavgang fra Titania A/S, og den foreliggende rapporten har til hensikt å vurdere effekter på bløtbunnsfaunaen. Tilsetting av 2 cm avgangsmasser ga en betydelig reduksjon i tettheten ...

    • Meta-analysis of multidecadal biodiversity trends in Europe 

      Pilotto, Francesca; Kühn, Ingolf; Adrian, Rita; Alber, Renate; Alignier, Audrey; Andrews, Christopher; Bäck, Jaana; Barbaro, Luc; Beaumont, Deborah; Beenaerts, Natalie; Benham, Sue; Boukal, David S.; Bretagnolle, Vincent; Camatti, Elisa; Canullo, Roberto; Cardoso, Patricia G.; Ens, Bruno J.; Everaert, Gert; Evtimova, Vesela; Feuchtmayr, Heidrun; García-González, Ricardo; Gómez-García, Daniel; Grandin, Ulf; Gutowski, Jerzy M.; Hadar, Liat; Halada, Lubos; Halassy, Melinda; Hummel, Herman; Huttunen, Kaisa-Leena; Jaroszewicz, Bogdan; Jensen, Thomas C; Kalivoda, Henrik; Schmidt, Inger Kappel; Kröncke, Ingrid; Leinonen, Reima; Martinho, Filipe; Meesenburg, Henning; Meyer, Julia; Minerbi, Stefano; Monteith, Don; Nikolov, Boris P.; Oro, Daniel; Ozoliņš, Dāvis; Padedda, Bachisio M.; Pallett, Denise; Pansera, Marco; Pardal, Miguel Ângelo; Petriccione, Bruno; Pipan, Tanja; Pöyry, Juha; Schäfer, Stefanie M.; Schaub, Marcus; Schneider, Susanne C; Skuja, Agnija; Soetaert, Karline; Springe, Gunta; Stanchev, Radoslav; Stockan, Jenni A.; Stoll, Stefan; Sundqvist, Lisa; Thimonier, Anne; Van Hoey, Gert; Van Ryckegem, Gunther; Visser, Marcel E.; Vorhauser, Samuel; Haase, Peter (Peer reviewed; Journal article, 2020)
      Local biodiversity trends over time are likely to be decoupled from global trends, as local processes may compensate or counteract global change. We analyze 161 long-term biological time series (15–91 years) collected ...

    • Metabolism Modeling in Rivers With Unsteady Flow Conditions and Transient Storage Zones 

      Pathak, Devanshi; Demars, Benoît Olivier Laurent (Peer reviewed; Journal article, 2023)
      Whole-stream metabolism characterizes energy and carbon transformations, thus providing an estimate of the food base and CO2 emission sources from streams and rivers. Metabolism models are generally implemented with a ...

    • Methods for determining the geographical origin and age of beach litter: Challenges and opportunities 

      Falk-Andersson, Jannike; Tairova, Zhanna; Tokvam Drægni, Tora; Larsen Haarr, Marthe (Peer reviewed; Journal article, 2021)
      Beach litter analysis is a cost-effective tool to identify litter sources and subsequent management actions. However, standard beach litter protocols are not generally developed to identify litter's origins and age. Data ...

    • Methylmercury and inorganic mercury in Chinese commercial rice: Implications for overestimated human exposure and health risk 

      Xu, Xiaohang; Han, Jialiang; Pang, Jian; Wang, Xun; Lin, Yan; Wang, Yajie; Qiu, Guangle (Peer reviewed; Journal article, 2020)
      China is the largest rice producer and consumer in the world, and mercury (Hg) levels, particularly methylmercury (MeHg), in rice and health exposure risks are public concerns. Total Hg (THg) and MeHg levels in 767 (domestic ...

    • Methylmercury biomagnification in an Arctic pelagic food web 

      Ruus, Anders; Øverjordet, Ida Beathe; Braaten, Hans Fredrik Veiteberg; Evenset, Anita; Christensen, Guttorm N.; Heimstad, Eldbjørg Sofie; Gabrielsen, Geir W.; Borgå, Katrine (Journal article; Peer reviewed, 2015)
      Mercury (Hg) is a toxic element that enters the biosphere from natural and anthropogenic sources, and emitted gaseous Hg enters the Arctic from lower latitudes by long-range transport. In aquatic systems, anoxic conditions ...

    • Metoder for beregning av vannets syrenøytraliserende kapasitet (ANC) for klassifisering av forsuringstilstand 

      Vogt, Rolf David; Garmo, Øyvind Aaberg; Schartau, Ann Kristin; Haaland, Ståle Leif (Journal article, 2023)
      ANC er nøkkelparameteren for å vurdere endringer i kjemisk vannkvalitet med endringer i sur nedbør, klima og arealbruk. Imidlertid har parameteren lav presisjon, siden den er basert på ladningsbalansen mellom mange målte ...

    • Microbial degradation dynamics of farmed kelp deposits from Saccharina latissima and Alaria esculenta 

      Boldreel, Emma H; Attard, Karl M.; Hancke, Kasper; Glud, Ronnie N. (Peer reviewed; Journal article, 2023)
      Seaweed farming is a growing industry worldwide, and its sustainable management requires detailed knowledge about the environmental implications of detrital release. This study investigates benthic degradation of kelp ...

    • Microbial dynamics in RAS water: Effects of adding acetate as a biodegradable carbon-source 

      Rojas-Tirado, Paula Andrea; Pedersen, Per Bovbjerg; Vadstein, Olav; Pedersen, Lars-Flemming (Journal article; Peer reviewed, 2019)
      This study evaluated the effect of an abrupt increase in easily biodegradable carbon (acetate) on bacterial activity and abundance in the water of recirculating aquaculture systems (RAS). The study included a batch experiment ...

    • The MicroClimate Screen – A microscale climate exposure system for assessing the effect of CO2, temperature and UV on marine microalgae 

      Xie, Li; Macken, Ailbhe; Johnsen, Bjørn; Norli, Marit; Skogan, Odd Arne Segtnan; Tollefsen, Knut-Erik (Peer reviewed; Journal article, 2022)
      Global warming and anthropogenic activities are changing the ocean, inducing profound impacts on marine life and ecosystems from changing physical and chemical factors in and above the water column. Rising surface temperatures, ...

    • Microcystin profiles in European noble crayfish Astacus astacus and water in Lake Steinsfjorden, Norway 

      Miles, Christopher Owen; Strand, David; Rusch, Johannes; Ballot, Andreas; Haande, Sigrid; Løvberg, Kjersti Eriksen; Vrålstad, Trude; Samdal, Ingunn Anita (Peer reviewed; Journal article, 2024)
      Lake Steinsfjorden, an important noble crayfish (Astacus astacus) habitat, is often affected by blooms of Planktothrix spp. that produce microcystins (MCs). A poor correlation between MCs by ELISA in the water and in ...

    • Microcystins in European Noble Crayfish Astacus astacus in Lake Steinsfjorden, a Planktothrix-Dominated Lake 

      Samdal, Ingunn Anita; Strand, David; Ballot, Andreas; Rusch, Johannes; Haande, Sigrid; Løvberg, Kjersti Eriksen; Miles, Christopher Owen; Vrålstad, Trude (Peer reviewed; Journal article, 2020)
      Lake Steinsfjorden, an important Norwegian location for noble crayfish (Astacus astacus), is often affected by cyanobacterial blooms caused by microcystin (MC)-producing Planktothrix spp. The impact of MCs on noble crayfish ...