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    • Density of juvenile brown trout and Atlantic salmon in natural and man-natural riverine habitats 

      L’Abée-Lund, J.H.; Heggberget, T.G. (Journal article, 1995)
      The density of juvenile brown trout (Salmo trutta L.) and Atlantic salmon (Salmon salar L.) was significantly higher along river bank areas protected against erosion than along natural river banks in the River Gaula, Central ...

    • Biotopjusteringstiltak i vassdrag 

      Eie, Jon Atle; Brittain, John E.; Eie, Jon Arne (Kraft og miljø;, Report, 1995)

    • Vulnerability of melanic Daphnia to brown trout predation 

      Sægrov, Harald; Hobæk, Anders; L’Abée-Lund, Jan Henning (Journal article, 1996)
      The coexistence of melanic Daphnia cf. longispina and facultatively planktivorous brown trout is reported from a clear-water, alpine lake. This co-occurrence is uncommon, presumably due to the vulnerability of pigmented ...

    • An experimental test of the genetic component of the ontogenetic habitat shift in Arctic charr (Salvelinus alpinus) 

      Langeland, A.; L’Abée-Lund, Jan Henning (Journal article, 1998)
      Fry of the Arctic charr, Salvelinus alpinus, were experimentally stocked into a small fish-free lake to test the hypothesis that the size-dependent habitat shift from the epibenthic to the pelagic habitat is genetically ...

    • Estimating the mean areal snow water equivalent from satellite images and snow pillows 

      Skaugen, Thomas (Hydra rapport;1998:2, Report, 1998)
      By modelling the snow accumulation process in time and space as sums of random gamma distributed variables, the mean areal snow water equivalent (SWE) can be estimated. In the methodology we make use of the fact that sums ...

    • Threshold values of river discharge and temperature for anglers' catch of Atlantic salmon, Salmo salar L 

      L’Abée-Lund, Jan Henning; Aspås, H. (Journal article, 1999)
      The catch by anglers of adult Atlantic salmon, Salmo salar L., was studied over a 5-year period in the River Gaula, Norway. Atlantic salmon were caught over a wide range (23–570 m3 s−1) of the observed extent of river ...

    • Kvantifisering av usikkerhet i meteorologiske og hydrologiske prognoser 

      Skaugen, Thomas (Notat;3, Report, 1999)
      Delprosjekt HYDRA F7, "Kvantifisering av usikkerhet i hydrologiske og meteorologiske prognoser", ble delvis initiert på bakgrunn av de store avvik mellom prognosene fra flomvarslingen på NVE og Glommens og Laagens ...

    • Glasiologiske undersøkelser i Norge 1999 

      Andreassen, Liss M.; Elvehøy, Hallgeir; Haakensen, Nils; Kjøllmoen, Bjarne (NVE Rapport;2000:2, Report, 2000)
      Resultater fra NVEs glasiologiske undersøkelser i 1999 er samlet i denne rapporten. Hoveddelen av rapporten omhandler massebalanseundersøkelser. Det presenteres også resultater fra andre typer breundersøkelser, og et eget ...

    • Ferskvannsressurser og fiskeoppdrett 

      L’Abée-Lund, Jan Henning; Sneve, Torbjørn (Journal article, 2000)
      Fiskeoppdrett i storskala er blitt en vik­tig næring i Norge. Omfanget av små fiskeoppdrettsanlegg har mer lokal in­teresse selvom de anses å kunne være en viktig binæring i distriktene. Disse må imidlertid også behandles ...

    • Glaciological investigations in Norway in 2000 

      Andreassen, Liss M.; Elvehøy, Hallgeir; Gudevang, Espen; Jackson, Miriam; Kjøllmoen, Bjarne (NVE Report;2001:2, Report, 2001)
      Results of glaciological investigations perforrned at Norwegian glaciers in 2000 are presented in this report. The main part concerns mass balance investigations. Results from investigations of volurne change and glacier ...

    • The macroinvertebrate communities of two contrasting Norwegian glacial rivers in relation to environmental variables 

      Brittain, John E.; Saltveit, Svein J.; Castella, Emmanuel; Bogen, Jim; Bønsnes, Truls E.; Blakar, Inggard; Bremnes, Trond; Haug, Ingrid; Velle, Gaute (Journal article, 2001)
      1. Macroinvertebrate communities in two Norwegian glacial rivers, one in the western fjords (Dalelva) and one in the eastern mountains (Leirungsåi), were investigated during three time periods in 1996 and 1997. 2. Channel ...

    • Effects of water discharge and temperature on the seaward migration of anadromous brown trout, Salmo trutta, smolts 

      Hembre, B.; Arnekleiv, J.V.; L’Abée-Lund, Jan Henning (Journal article, 2001)
      The smolt run of anadromous brown trout (Sulmo trutta) in a Norwegian river was studied for three consecutive years. The main run occurred in a period of 7–10 days in the middle or second half of May. Support was found for ...

    • Long‐term variation in piscivory in a brown trout population: effect of changes in available prey organisms 

      L’Abée-Lund, J.H.; Aass, P.; Sægrov, H. (Journal article, 2002)
      The piscivorous behaviour in a brown trout (Salmo trutta L.) population was studied in four discrete periods over seven decades (1917–94) in the hydroelectric reservoir Tunhovdfjord in Norway established in 1919. Piscivorous ...

    • A spatial disaggregating procedure for precipitation 

      Skaugen, Thomas (Journal article, 2002)
      A disaggregation procedure is presented to render forecast values of precipitation from an atmospheric model with spatial resolution of 11 × 11 km suitable as input for a distributed hydrological model with spatial resolution ...

    • Norsk vassdragsforvaltning ved et veiskille? 

      L’Abée-Lund, Jan Henning; Brittain, John E. (Journal article, 2002)
      Forvaltning av vannressurser har internasjonalt og nasjonalt endret karakter de senere år. Et fellestrekk er at det ikke nødvendigvis er nok vann til alle brukerinteresser, samtidig som vassdragsmiljøet har fått økt ...

    • Glaciological investigations in Norway in 2001 

      Andreassen, Liss M.; Engeset, Rune; Elvehøy, Hallgeir; Høivik, Laila P.; Jackson, Miriam; Kjøllmoen, Bjarne (NVE Report;2003:1, Report, 2003)
      Results of glaciological investigations performed at Norwegian glaeiers in 2001 are presented in this report. The main part concerns mass balance investigations. Results from investigations of glaeier monitoring are diseussed ...

    • Glaciological investigations in Norway in 2002 

      Andreassen, Liss M.; Engeset, Rune V.; Elvehøy, Hallgeir; Jackson, Miriam; Kjøllmoen, Bjarne (NVE Report;2003:3, Report, 2003)
      Results of glaciological investigations performed at Norwegian glaciers in 2002 are presented in this report. The main part concerns mass balance investigations. Results from investigations of glacier monitoring are discussed ...

    • Weirs as a Mitigation Measure in Regulated Rivers - The Norwegian Experience 

      Brittain, John E. (Journal article, 2003)
      Hydropower has been extensively developed in Norway and mitigation measures afe one of the major elements in the planning and licensing procedure. Measures include flow management, weirs, substrate improvement, fish ladders ...

    • Dynamical properties of the spatial distribution of snow 

      Skaugen, Thomas; Beldring, Stein; Udnæs, Hans-Christian (Journal article, 2003)
      A simulation exercise has been performed to study the temporal development of snow covered area and the spatial distribution of snow-water equivalent (SWE). Special consideration has been paid to how the properties of the ...

    • Temporal variability in snow distribution 

      Alfnes, Eli; Andreassen, Liss M.; Engeset, Rune V.; Skaugen, Thomas; Udnæs, Hans-Christian (Journal article, 2004)
      Snow-courses data have been collected in order to investigate the temporal variability of snow distribution in two catchments in southern Norway during the 2002 melt season. The profiles represent different elevations, ...