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Showing results 1-50 of 107
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2024
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1. |
Bloecher, Nina; Hedger, Richard David; Finstad, Bengt; Olsen, Rolf-Erik; Økland, Finn; Svendsen, Eirik; Rosten, Carolyn; Føre, Martin. Assessment of activity and heart rate as indicators for acute stress in Atlantic salmon. Aquaculture International 2024 p. - OCEAN NINA NTNU
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Hedger, Richard David. Agent-based modelling of hydropeaking effects on fish – exploring sensitivities and uncertainties. Advancing in hydropeaking studies: examples and discussion; 2024-02-29 - 2024-02-29 NINA
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Hedger, Richard David; Järnegren, Johanna; Helland, Ingeborg Palm. CNN klassifisering av ROV bilder. FunkyFish prosjektmøte; 2024-02-15 - 2024-02-15 NINA
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Sundt-Hansen, Line Elisabeth Breivik; Robertsen, Grethe; Ugedal, Ola; Hedger, Richard David. Impact of climate change and extremes on Atlantic salmon. Oppstartsmøte for NFR prosjekt ReAdapt; 2024-02-28 - 2024-02-29 NINA
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2023
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Gosselin, Marie-Pierre; Hedger, Richard David. Testing of UAV for the mapping of freshwater pearl mussels. 40th IAHR World Congress; 2023-08-20 - 2023-08-25 NINA
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Gosselin, Marie-Pierre; Larsen, Bjørn Mejdell; Hedger, Richard David. Overvåkning av elvemusling i Mølnelva, Bodø kommune. Resultater fra undersøkelser i 2022 med vurdering av hydrologiske og hydrauliske forhold. Trondheim: Norsk institutt for naturforskning (NINA) 2023 (ISBN 978-82-426-5071-9) 42 p. NINA rapport(2274) NINA
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Hedger, Richard David; Gosselin, Marie-Pierre. Automated fluvial hydromorphology mapping from airborne remote sensing. Rivers Research and Applications: an international journal devoted to river research and management 2023 p. 1-13 NINA
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Hedger, Richard David; Gosselin, Marie-Pierre. Monitoring critical habitat across juvenile Atlantic salmon life-stages using remote sensing. Fisheries Society of the British Isles 2023 Annual Symposium; 2023-07-24 - 2023-07-28 NINA
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Hedger, Richard David; Gosselin, Marie-Pierre; Larsen, Bjørn Mejdell. Testing UAV surveying for mapping freshwater pearl mussel populations. Trondheim: Norwegian Institute of Nature Research (NINA) 2023 (ISBN 978-82-426-5154-9) 30 p. NINA rapport(2353) NINA
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10. |
Hedger, Richard David; Kvingedal, Eli; Diserud, Ola Håvard; Paterson, Rachel; Næsje, Tor. Egenskaper ved Imsa sjøørretbestanden fra et langsiktig merkeprogram. Sea trout winter workshop; 2023-12-14 - 2023-12-14 NINA NTNU
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Hedger, Richard David; Sundt-Hansen, Line Elisabeth Breivik; Juarez Gomez, Ana; Alfredsen, Knut Tore; Foldvik, Anders. Exploring sensitivities to hydropeaking in Atlantic salmon parr using individual-based modelling. Ecohydrology 2023 ;Volume 16. NINA NTNU
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Paterson, Rachel; Diserud, Ola Håvard; Bolstad, Geir Hysing; Hedger, Richard David; Næsje, Tor. Sea trout: an effect indicator for Atlantic salmon aquaculture management. ICES Annual Science Conference 2023; 2023-09-11 - 2023-09-14 NINA NTNU
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Pracheil, Brenda M; Chalishazar, Vishvas H; Schäffer, Linn Emelie; Harby, Atle; Hedger, Richard David; Schönfelder, Lennart Hagen; Halleraker, Jo Halvard; Sundt-Hansen, Line Elisabeth Breivik; Carolli, Mauro. Energy Flexibility-Environmental Outcomes Tradeoffs Workshop Report and Research Roadmap. : U.S. Department of Energy 2023 55 p. NINA ENERGISINT NTNU
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2022
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14. |
Bremset, Gunnbjørn; Ugedal, Ola; Diserud, Ola Håvard; Hedger, Richard David; Saksgård, Randi J.; Myrvold, Knut Marius; Sandlund, Odd Terje. Elektrisk fiske som undersøkelsesmetode i elv. En gjennomgang av metodens muligheter og begrensninger. Trondheim: Norsk institutt for naturforskning (NINA) 2022 (ISBN 978-82-426-4839-6) 56 p. NINA rapport(2056) NINA
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Diserud, Ola Håvard; Hedger, Richard David; Jensen, Arne Johan; Næsje, Tor; Paterson, Rachel. Increased sea lice infestation affect individual sea trout life history traits. Sea Lice Conference 2022; 2022-05-09 - 2022-05-12 NINA
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16. |
Gosselin, Marie-Pierre; Hedger, Richard David. Fugleperspektiv på elver og elvemusling. NINA-dagan 2022; 2022-11-08 - 2022-11-08 NINA
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Hedger, Richard David; Diserud, Ola Håvard; Jensen, Arne Johan; Paterson, Rachel; Næsje, Tor. Effects of sea lice infestation on long-term sea trout population dynamics. Sea Lice Conference 2022; 2022-05-09 - 2022-05-13 NINA
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18. |
Hedger, Richard David; Gosselin, Marie-Pierre. River mesohabitat classification from aerial photographs using deep learning. 14th International Symposium on Ecohydraulics; 2022-10-10 - 2022-10-13 NINA
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19. |
Hedger, Richard David; Kjellman, Mari; Thorstad, Eva Bonsak; Strøm, John Fredrik; Rikardsen, Audun H.. Diving and feeding of adult Atlantic salmon when migrating through the coastal zone in Norway. Environmental Biology of Fishes 2022 ;Volume 105.(5) p. 589-604 HAVFORSK NINA UiT
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20. |
Hedger, Richard David; Sundt-Hansen, Line Elisabeth Breivik; Foldvik, Anders. Evaluating the suitability of aerial photo surveys for assessing Atlantic salmon habitat in Norway. Trondheim: Norsk institutt for naturforskning (NINA) 2022 (ISBN 978-82-426-4893-8) 81 p. NINA rapport(2105) NINA
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21. |
Parish, Esther S.; Pracheil, Brenda; McCoskey, Dana M.; Harby, Atle; Bustos, Ana Adeva; Torp Hansen, Bendik; Köhler, Berit; Hedger, Richard David. Effective Environmental Decision Tools for Hydropower Development- DOE-Norway White Paper. Washington: DOE 2022 15 p. ENERGISINT NINA
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2021
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22. |
Burman, Anton; Hedger, Richard David; Hellstrom, J Gunnar I; Andersson, Anders G; Sundt-Hansen, Line Elisabeth Breivik. Modelling the downstream longitudinal effects of frequent hydropeaking on the spawning potential and stranding susceptibility of salmonids. Science of the Total Environment 2021 ;Volume 796. p. - NINA
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Diserud, Ola Håvard; Hedger, Richard David. Effekter av økte lakselustettheter på sjøørretens bestandsutvikling. Arbeidsgruppemøte om lakselus og vill laksefisk; 2021-06-02 - 2021-06-02 NINA
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24. |
Føre, Martin; Svendsen, Eirik; Økland, Finn; Gräns, Albin; Alfredsen, Jo Arve; Finstad, Bengt; Hedger, Richard David; Uglem, Ingebrigt. Heart rate and swimming activity as indicators of post-surgical recovery time of Atlantic salmon (Salmo salar). Animal Biotelemetry 2021 ;Volume 9. NINA NTNU OCEAN
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25. |
Hedger, R.D.; Diserud, O.H.; Finstad, B.; Jensen, A.J.; Hendrichsen, D.K.; Ugedal, O.; Næsje, T.F.. Modeling salmon lice effects on sea trout population dynamics using an individual-based approach. Aquaculture Environment Interactions 2021 ;Volume 13. p. 1-19 NINA NTNU
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26. |
Rikardsen, Audun H.; Righton, David; Strøm, John Fredrik; Thorstad, Eva Bonsak; Gargan, Patrick G.; Sheehan, Timothy F.; Økland, Finn; Chittenden, Cedar; Hedger, Richard David; Næsje, Tor; Renkawitz, Mark; Sturlaugsson, Johannes; Caballero, Pablo; Baktoft, Henrik; Davidsen, Jan Grimsrud; Halttunen, Elina; Wright, Serena; Finstad, Bengt; Aarestrup, Kim. Redefining the oceanic distribution of Atlantic salmon. Scientific Reports 2021 ;Volume 11. p. - NTNU UiT NINA
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27. |
Szabo-Meszaros, Marcell; Silva, Ana T.; Bærum, Kim Magnus; Baktoft, Henrik; Alfredsen, Knut; Hedger, Richard David; Økland, Finn; Gjelland, Karl Øystein; Fjeldstad, Hans-Petter; Calles, Olle; Forseth, Torbjørn. Validation of a Swimming Direction Model for the Downstream Migration of Atlantic Salmon Smolts. Water 2021 ;Volume 13.(9) ENERGISINT NINA NTNU
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2020
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28. |
Davidsen, Jan Grimsrud; Eikaas, Linda; Hedger, Richard David; Thorstad, Eva Bonsak; Rønning, Lars; Sjursen, Aslak Darre; Berg, Ole Kristian; Bremset, Gunnbjørn; Karlsson, Sten; Sundt-Hansen, Line Elisabeth Breivik. Migration and habitat use of the landlocked riverine Atlantic salmon Salmo salar småblank. Hydrobiologia 2020 ;Volume 847. p. 2295-2306 NINA NTNU
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29. |
Diserud, Ola Håvard; Hedger, Richard David; Finstad, Bengt; Hendrichsen, Ditte Katrine; Jensen, Arne Johan; Ugedal, Ola. Salmon louse infestation in wild brown trout populations generates multi-modal mixture distributions. Aquaculture Environment Interactions 2020 ;Volume 12. p. 447-456 NINA NTNU
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30. |
Diserud, Ola Håvard; Hedger, Richard David; Finstad, Bengt; Hendrichsen, Ditte Katrine; Jensen, Arne Johan; Ugedal, Ola. Sjøørret og lakselus - modell for lusepåslag. Sjøørretkonferansen 2020; 2020-01-29 - 2020-01-30 NINA
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31. |
Evju, Marianne; Hedger, Richard David; Nowell, Megan Sara; Vistad, Odd Inge; Hagen, Dagmar; Jokerud, Mari; Olsen, Siri Lie; Selvaag, Sofie Kjendlie; Wold, Line Camilla. Slitasje og egnethet for stier brukt til sykling. En feltstudie og en GIS-modell. Oslo: Norsk institutt for naturforskning (NINA) 2020 (ISBN 978-82-426-4652-1) 147 p. NINA rapport(1880) NINA
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Forseth, Torbjørn; Fjeldstad, Hans-Petter; Gabrielsen, Sven Erik; Skår, Bjørnar; Lamberg, Anders; Hedger, Richard David; Kvingedal, Eli; Havn, Torgeir Børresen. Miljødesign Mandalselva. Samlet tiltaksplan og oppsummering. Trondheim: Norsk institutt for naturforskning (NINA) 2020 148 p. NINA rapport(1691) ENERGISINT NINA NORCE
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33. |
Hedger, Richard David; Blumentrath, Stefan; Bergan, Morten Andre; Eloranta, Antti. Mapping natural and artificial migration hindrances for fish using LiDAR remote sensing. Trondheim: Norsk institutt for naturforskning (NINA) 2020 (ISBN 978-82-426-4592-0) NINA rapport(1833) NINA
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34. |
Hedger, Richard David; Diserud, Ola Håvard; Jensen, Arne Johan; Ugedal, Ola; Hendrichsen, Ditte Katrine; Finstad, Bengt; Næsje, Tor. Effekten av lus på sjøørretbestander, undersøkt ved bruk av individbasert modellering. Sjøørretkonferansen 2020; 2020-01-29 - 2020-01-30 NINA
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35. |
Olsen, Siri Lie; Hedger, Richard David; Hendrichsen, Ditte Katrine; Dillinger, Benno Nikolaus; Venter, Zander Samuel; Evju, Marianne. Geografisk utbredelse av truede insekter og edderkoppdyr, sopp, lav og moser: modellering av hotspots. Oslo: Norsk institutt for naturforskning (NINA) 2020 (ISBN 978-82-426-3481-8) NINA rapport(1727) NINA
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Olsen, Siri Lie; Hedger, Richard David; Hendrichsen, Ditte Katrine; Nowell, Megan Sara; Dillinger, Benno Nikolaus; Syverhuset, Anne Olga; Evju, Marianne. Hotspots for truede arter i Norge: karplanter, insekter og edderkoppdyr, sopp, lav og moser. Oslo: Norsk institutt for naturforskning (NINA) 2020 (ISBN 978-82-426-3492-4) 31 p. NINA Temahefte(75) NINA
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37. |
Sundt-Hansen, Line Elisabeth Breivik; Hedger, Richard David; Ugedal, Ola. An individual based model:What is the influence of the freshwater environment on survival and growth in early marine phase?. SeaSalar; 2020-06-24 - 2020-06-24 NINA
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38. |
Svendsen, Eirik; Føre, Martin; Økland, Finn; Gräns, Albin; Hedger, Richard David; Alfredsen, Jo Arve; Uglem, Ingebrigt; Rosten, Carolyn; Frank, Kevin; Erikson, Ulf Gøran; Finstad, Bengt. Heart rate and swimming activity as stress indicators for Atlantic salmon (Salmo salar). Aquaculture 2020 ;Volume 531. p. - OCEAN NTNU NINA
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2019
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39. |
Adeva Bustos, Ana; Hedger, Richard David; Fjeldstad, Hans-Petter; Stickler, Morten; Alfredsen, Knut. Identification of salmon population bottlenecks from low flows in a hydro-regulated river. Environmental Modelling & Software 2019 ;Volume 120. p. - NTNU USN NINA ENERGISINT
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40. |
Barton, David Nicholas; Sundt, Håkon; Adeva Bustos, Ana; Fjeldstad, Hans-Petter; Hedger, Richard David; Forseth, Torbjørn; Köhler, Berit; Aas, Øystein; Alfredsen, Knut; Madsen, Anders L.. Multi-criteria decision analysis in Bayesian networks - diagnosing ecosystem service trade-offs in a hydropower regulated river. Environmental Modelling & Software 2019 ;Volume 124. p. - ENERGISINT NINA NTNU
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Davidsen, Jan Grimsrud; Eikås, Linda; Hedger, Richard David; Rønning, Lars; Sjursen, Aslak Darre; Thorstad, Eva Bonsak; Berg, Ole Kristian; Bremset, Gunnbjørn; Karlsson, Sten; Sundt-Hansen, Line Elisabeth Breivik. Vandringer og habitatbruk til småblank. Villakskonferansen 2019; 2019-01-22 - 2019-01-23 NINA NTNU NMBU
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42. |
Gjelland, Karl Øystein; Baktoft, Henrik; Økland, Finn; Silva, Ana T.; Szabo-Meszaros, Marcell; Bærum, Kim Magnus; Hedger, Richard David; Fjeldstad, Hans-Petter; Forseth, Torbjørn. Safe smolt migration past hydropower water intakes – how to find the best mitigation alternatives. 5th International Conference on Fish Telemetry; 2019-06-24 - 2019-06-28 NINA ENERGISINT
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43. |
Hindar, Kjetil; Diserud, Ola Håvard; Hedger, Richard David; Finstad, Anders Gravbrøt; Fiske, Peder; Foldvik, Anders; Forseth, Torbjørn; Forsgren, Elisabet; Kvingedal, Eli; Robertsen, Grethe; Solem, Øyvind; Sundt-Hansen, Line Elisabeth Breivik; Ugedal, Ola. Vurdering av metodikk for andregenerasjons gytebestandsmål for norske laksebestander. Trondheim: Norsk institutt for naturforskning 2019 (ISBN 978-82-426-2982-1) 58 p. NINA rapport(1303) NINA NTNU
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Karbowski, Chelsey M.; Finstad, Bengt; Karbowski, Niklas; Hedger, Richard David. Sea Lice in Iceland: Assessing the Status and Current Implications for Aquaculture and Wild Salmonids. Aquaculture Environment Interactions 2019 ;Volume 11. p. 149-160 NINA
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45. |
Silva, Ana T.; Bærum, Kim Magnus; Hedger, Richard David; Baktoft, Henrik; Fjeldstad, Hans-Petter; Gjelland, Karl Øystein; Økland, Finn; Forseth, Torbjørn. The effects of hydrodynamics on the three-dimensional downstream migratory movement of Atlantic salmon. Science of the Total Environment 2019 ;Volume 705. NINA ENERGISINT
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2018
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46. |
Bærum, Kim Magnus; Silva, Ana T.; Hedger, Richard David; Forseth, Torbjørn. På vei ned ‐ rutevalg og atferd hos laksesmolt i møte med vannkraft. Årsmøte Safepass; 2018-12-11 - 2018-12-11 NINA
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47. |
Davidsen, Jan Grimsrud; Eikås, Linda; Hedger, Richard David; Rønning, Lars; Sjursen, Aslak Darre; Thorstad, Eva Bonsak; Berg, Ole Kristian; Bremset, Gunnbjørn; Karlsson, Sten; Sundt-Hansen, Line Elisabeth Breivik. Vandringer og habitatbruk til småblank. Trondheim: NTNU Vitenskapsmuseet 2018 (ISBN 978-82-8322-148-0) 34 p. NTNU Vitenskapsmuseet naturhistorisk rapport(2018-6) NINA NTNU NMBU
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48. |
Diserud, Ola Håvard; Finstad, Bengt; Hendrichsen, Ditte Katrine; Hedger, Richard David; Jensen, Arne Johan; Ugedal, Ola. Sea lice infestation affects sea trout dynamics. Sea Lice 2018; 2018-11-11 - 2018-11-15 NINA
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49. |
Evju, Marianne; Andersen, Oddgeir; Blumentrath, Stefan; Hagen, Dagmar; Hedger, Richard David; Jokerud, Mari; Olsen, Siri Lie; Nowell, Megan Sara; Vistad, Odd Inge. Egner nasjonalparker seg til stisykling?. NINA-dagene 2018; 2018-11-07 NINA
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50. |
Havn, Torgeir Børresen; Thorstad, Eva Bonsak; Teichert, Maxim A.K.; Sæther, Stein Are; Heermann, Lisa; Hedger, Richard David; Tambets, Meelis; Diserud, Ola Håvard; Borcherding, Jost; Økland, Finn. Hydropower-related mortality and behaviour of Atlantic salmon smolts in the River Sieg, a German tributary to the Rhine. Hydrobiologia 2018 ;Volume 805.(1) p. 273-290 NINA
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