NORCE Klima og miljø: Nye registreringer

Viser treff 1-20 av 970

    • Habitatkartlegging og bestandsundersøkelser av storørret i Sævareid- og Oselvvassdraget 

      Hanssen, Erlend Mjelde; Postler, Christoph; Espedal, Espen Olsen; Simonsen, Lisa Hansen; Kambestad, Marius (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske;, Research report, 2024)
      På oppdrag fra Statsforvalteren i Vestland, med støtte fra Sogn og Fjordane Energi, gjennomførte NORCE LFI habitatkartlegging, elfiske og gytefisktelling med fokus på storørret i to elver i Oselvvassdraget (Eimhjellevatnet) ...

    • Plast i norske elver 

      Velle, Gaute; Haave, Marte; Barlaup, Bjørn Torgeir; Bodin, Christian Lucien; Gabrielsen, Sven-Erik; Gomiero, Alessio; Kambestad, Marius; Koizumi, Shuntaro (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2024)
      Denne studien viser resultatene fra kartlegging av makroplast (her, plastbiter over ca. 2 cm) i norske elver. Totalt har vi undersøkt 84 elver fra Tana i nord til Lindesnes i sør, der 73 er unike og 11 elver på Vestlandet ...

    • Habitatkartlegging i Månavassdraget i 2024 

      Simonsen, Lisa Hansen; Kambestad, Marius (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske;538, Research report, 2024)
      Denne rapporten sammenstiller resultatene av habitatkartlegging utført av NORCE LFI i Månavassdraget våren 2024. Habitat for laks og sjøørret, og menneskelige inngrep, ble kartlagt for hele anadrom strekning inkludert ...

    • Modalselva - en kunnskapsoppsummering 2024 

      Gabrielsen, Sven-Erik; Barlaup, Bjørn Torgeir (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2024)
      Det pågår et betydelig prosjekt for å gjenopprette laksebestanden i Modalselva, og behovet for en kunnskapsoppsummering er stort. Foreliggende rapport inkluderer data om effektene av vassdragsregulering, forsuring og ...

    • Siltmobilisering og gassmetning i Modalselva august 2023 - Evaluering av mulig effekt på fiskebestand og bunndyrsamfunn 

      Skår, Bjørnar; Gabrielsen, Sven-Erik; Enqvist, Martin; Bodin, Christian Lucien (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2024)
      Det ble observert kraftig blakket vann som kom ut fra Hellandsfoss kraftverk om kvelden 25. august 2023. Årsaken var trolig at løsmasser (silt) ble mobilisert ved tømming og påfylling av vann i tunnelen i forbindelse med ...

    • Jostedøla - Fiskebiologiske undersøkelser i 2023 og forslag til habitatforbedrende tiltak i utvalgte sidebekker 

      Gabrielsen, Sven-Erik; Skår, Bjørnar (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2024)
      I forbindelse med bestilling fra Statkraft (Nr. 4500396648), har NORCE LFI overvåket tettheter av ungfisk i Jostedøla i 2023 og gjennomført en problemkartlegging av de tre sidebekkene Kverneelvi ved Høgamoen, Kverneelvi ...

    • Ungfiskundersøkelse i Tauvassdraget høsten 2023 

      Lehmann, Gunnar Bekke; Gabrielsen, Sven-Erik; Skår, Bjørnar (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2024)
      I 2018 startet Tauvassdraget elveeigarlag i samarbeid med Strand kommune et prosjekt for reetablering av bestander av anadrom fisk i Tauvassdraget. Reetablering er også nedfelt som et mål i Rogaland fylkeskommune sin ...

    • A Synthesis of Global Coastal Ocean Greenhouse Gas Fluxes 

      Resplandy, L.; Hogikyan, A.; Müller, J.D.; Najjar, R.G.; Bange, H.W.; Bianchi, D.; Weber, T.; Cai, W.-J.; Doney, S.C.; Fennel, K.; Gehlen, M.; Hauck, J.; Lacroix, F.; Landschützer, P.; Le Quéré, Quere; Roobaert, A.; Schwinger, Jörg; Berthet, S.; Bopp, L.; Chau, T.T.T.; Dai, M.; Gruber, N.; Ilyina, T.; Kock, A.; Manizza, M.; Lachkar, Z.; Laruelle, G.G.; Liao, E.; Lima, I.D.; Nissen, C.; Rödenbeck, C.; Séférian, R.; Toyama, K.; Tsujino, H.; Regnier, P. (Peer reviewed; Journal article, 2024)
      The coastal ocean contributes to regulating atmospheric greenhouse gas concentrations by taking up carbon dioxide (CO2) and releasing nitrous oxide (N2O) and methane (CH4). In this second phase of the Regional Carbon Cycle ...

    • Assessment of Global Ocean Biogeochemistry Models for Ocean Carbon Sink Estimates in RECCAP2 and Recommendations for Future Studies 

      Terhaar, Jens; Goris, Nadine; Müller, Jens D.; DeVries, Tim; Gruber, Nicolas; Hauck, Judith; Pérez, Fiz F.; Séférian, Roland (Peer reviewed; Journal article, 2024)
      The ocean is a major carbon sink and takes up 25%–30% of the anthropogenically emitted CO2. A state-of-the-art method to quantify this sink are global ocean biogeochemistry models (GOBMs), but their simulated CO2 uptake ...

    • The global genetic diversity of planktonic foraminifera reveals the structure of cryptic speciation in plankton 

      Morard, Raphaël; Darling, Kate F.; Weiner, Agnes; Hassenrück, Christiane; Vanni, Chiara; Cordier, Tristan; Henry, Nicolas; Greco, Mattia; Vollmar, Nele Manon; Milivojevic, Tamara; Rahman, Shirin Nurshan; Siccha, Michael; Meilland, Julie; Jonkers, Lukas; Quillévéré, Frédéric; Escarguel, Gilles; Douady, Christophe J.; de Garidel-Thoron, Thibault; de Vargas, Colomban; Kucera, Michal (Peer reviewed; Journal article, 2024)
      The nature and extent of diversity in the plankton has fascinated scientists for over a century. Initially, the discovery of many new species in the remarkably uniform and unstructured pelagic environment appeared to ...

    • Projected poleward migration of the Southern Ocean CO2 sink region under high emissions 

      Mongwe, Precious; Gregor, Luke; Tjiputra, Jerry; Hauck, Judith; Ito, Takamitsu; Danek, Christopher; Vichi, Marcello; Thomalla, Sandy; Monteiro, Pedro M. S. (Peer reviewed; Journal article, 2024)
      The Southern Ocean is a major region of ocean carbon uptake, but its future changes remain uncertain under climate change. Here we show the projected shift in the Southern Ocean CO2 sink using a suite of Earth System Models, ...

    • Ecological risk assessment of invertebrates caught in Swedish west-coast fisheries 

      Morgan, Linnéa; Valentinsson, Daniel; Dahlgren, Thomas Gunnar; Hornborg, Sara (Peer reviewed; Journal article, 2024)
      Ecological risk assessments are important as scientific support for the implementation of ecosystem-based fisheries management. Marine invertebrates are important to ecosystem structure and function and may be sensitive ...

    • Underestimated Land Heat Uptake Alters the Global Energy Distribution in CMIP6 Climate Models 

      Steinert, Norman; Cuesta-Valero, Francisco José; García-Pereira, Félix; de Vrese, Philipp; Melo Aguilar, Camilo Andrés; García-Bustamante, Elena; Jungclaus, Johann; González-Rouco, Jesús Fidel (Peer reviewed; Journal article, 2024)
      Current global warming results in an uptake of heat by the Earth system, which is distributed among the different components of the climate system. However, current-generation climate models deliver heat inventory and ...

    • Highly stratified mid-Pliocene Southern Ocean in PlioMIP2 

      Weiffenbach, Julia E.; Dijkstra, Henk A.; Von Der Heydt, Anna S.; Abe-Ouchi, Ayako; Chan, Wing-Le; Chandan, Deepak; Feng, Ran; Haywood, Alan M.; Hunter, Stephen J.; Li, Xiangyu; Otto-Bliesner, Bette L.; Peltier, W. Richard; Stepanek, Christian; Tan, Ning; Tindall, Julia C.; Zhang, Zhongshi (Peer reviewed; Journal article, 2024)
      During the mid-Pliocene warm period (mPWP; 3.264–3.025 Ma), atmospheric CO2 concentrations were approximately 400 ppm, and the Antarctic Ice Sheet was substantially reduced compared to today. Antarctica is surrounded by ...

    • The Role of Anthropogenic Forcings on Historical Sea-Level Change in the Indo-Pacific Warm Pool Region 

      Samanta, Dhrubajyoti; Vairagi, Vedant; Richter, Kristin; McDonagh, Elaine Louise; Karnauskas, Kristopher B.; Goodkin, Nathalie F.; Chew, Lock Yue; Horton, Benjamin P. (Peer reviewed; Journal article, 2024)
      Detecting and attributing sea-level rise over different spatiotemporal scales is essential for low-lying and highly populated coastal regions. Using the Detection and Attribution Model Intercomparison Project (DAMIP) from ...

    • Bergen metrics: Composite error metrics for assessing performance of climate models using EURO-CORDEX simulations 

      Samantaray, Alok Kumar; Mooney, Priscilla A.; Vivacqua, Carla (Peer reviewed; Journal article, 2024)
      Error metrics are useful for evaluating model performance and have been used extensively in climate change studies. Despite the abundance of error metrics in the literature, most studies use only one or two metrics. Since ...

    • Impact of mantle convection and dynamic topography on the Cenozoic paleogeography of Central Eurasia and the West Siberian Seaway 

      Straume, Eivind Olavson; Steinberger, Bernhard; Becker, Thorsten W.; Faccenna, Claudio (Peer reviewed; Journal article, 2024)
      The West Siberian Seaway connected the Tethys to the Arctic Ocean in the Paleogene and played an important role for Eurasian-Arctic biogeography, ocean circulation, and climate. However, the paleogeography and geological ...

    • Among-river pattern in relative abundance of two salmonid fishes reflects temperature-dependent competition 

      Skoglund, Helge; Forseth, Torbjørn; Einum, Sigurd (Peer reviewed; Journal article, 2024)
      Temperature is a key driver in determining species distribution and abundance across climatic and geographical gradients. This occurs through direct physiological effects of temperature on performance, but may also result ...

    • ForCenS-LGM: a dataset of planktonic foraminifera species assemblage composition for the Last Glacial Maximum 

      Jonkers, Lukas; Mix, Alan; Voelker, Antje; Risebrobakken, Bjørg; Smart, Christopher W.; Ivanova, Elena; Arellano-Torres, Elsa; Eynaud, Frédérique; Naoufel, Haddam; Max, Lars; Rossignol, Linda; Simon, Margit Hildegard; Martins, Maria Virgínia Alves; Petró, Sandro; Caley, Thibaut; Dokken, Trond Martin; Howard, Will; Kucera, Michal (Peer reviewed; Journal article, 2024)
      Species assemblage composition of marine microfossils offers the possibility to investigate ecological and climatological change on time scales inaccessible using conventional observations. Planktonic foraminifera - ...

    • Experiences from targeted removal of farmed Atlantic salmon from Norwegian rivers 

      Skoglund, Helge; Kambestad, Marius; Normann, Eirik; Wiers, Tore; Lehmann, Gunnar Bekke; Urdal, Kurt; Barlaup, Bjørn Torgeir; Vollset, Knut Wiik (Peer reviewed; Journal article, 2024)
      Farmed salmon escaping from aquaculture and interbreeding with wild conspecifics pose a significant threat to the genetic integrity of natural salmon populations. Despite advancements in aquaculture security, escape incidents ...