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Oppdatert 23.2.2007
av O.W.Røstad
 

Institutt for naturforvaltning (INA)


    Reidar Borgstrøm
    Professor

    Postadresse: INA, UMB, Postboks 5003, 1432 Ås
    Besøksadresse: Rom 243, Urbygningen, Ole Sverres plass 1
    E-post: reidar.borgstrom@umb.no
    Telefon: 64 96 57 54; Telefax: 64 96 58 01
Fagområde:
Ferskvannsøkologi, fiskebiologi og forvaltning av ferskvannsfisk.

Forskning:
Arbeider i første rekke med populasjonsøkologi og livshistorie hos innlandsfisk og anadrom laksefisk som grunnlag for forvaltning av bestander. Predasjon/kannibalisme, ressursbruk, beskatning og redskapsseleksjon, interaksjoner mellom arter, og biomanipulering er sentrale interesseområder. Se forskningsprosjekter.

Undervisning:
Ansvarlig for:
  • NATF240 - Økologi og forvaltning av ferskvannsfisk
  • NATF340 - Forvaltning av ferskvannsfisk
Underviser også i:

Utvalgte publikasjoner:
Vitenskapelige artikler:

    Sønstebø, J.H., Borgstrøm, R. & Heun, M. 2007. A comparison of AFLPs and microsatellites to identify the population structure of brown trout (Salmo trutta L.) populations from Hardangervidda, Norway. - Molecular Ecology 16: 1427-1438. (Fulltekst)

    Sønstebø, J.H., Borgstrøm, R. & Heun, M. 2007. Genetic structure of brown trout (Salmo trutta L.) from the Hardangervidda mountain plateau (Norway) analyzed by microsatellite DNA: A basis for conservation guidelines. - Conservation Genetics 8: 33-44. (Fulltekst)

    Desta, Z., Borgstrøm, R., Rosseland, B.O., & Gebre-Mariam, Z. 2006. Major differences in mercury concentrations of the African big barb, Barbus intermedius (R.) due to shifts in trophic position. - Ecology of freshwater fish 15: 532-543.

    Heggenes, J., Skaala, Ø., Borgstrøm, R. & Igland, O.T. 2006. Minimal gene flow from introduced brown trout (Salmo trutta L.) after 30 years of stocking. - Journal of Applied Ichthyology 22: 119-124.

    Borgstrøm, R. & Museth, J. 2005. Accumulated snow and summer temperature - critical factors for recruitment to high mountain populations of brown trout (Salmo trutta L.). - Ecology of Freshwater Fish 14: 375-384.

    Sharma, C.M., Sharma, S., Borgstrom, R. & Bryceson, I. 2005. Impacts of a small dam on macroinvertebrates: a case study in the Tinau River, Nepal. - Aquatic Ecosystem Health and Management 8: 267-275.

    Svenning, M.-A. & Borgstrøm, R. 2005. Cannibalism in Artic charr: do all individuals have the same propensity to be cannibals? – Journal of Fish Biology 66: 957-965.

    Svenning, M.-A., Borgstrøm, R., Dehli, T.O., Moen, G., Pedersen, T., Barrett, R.T. & Vader, W. 2005. Large numbers of lesser sandeel (Ammodytes marinus) available as prey for marine fishes enhance the survival of Atlantic salmon smolts (Salmo salar) as they leave the Tana river, North Norway. - Fisheries Research 76: 466-474.

    Svenning, M.-A., Fagermo, S.E., Barrett, R.T., Borgstrøm, R., Vader, W., Pedersen, T. & Sandring, S. 2005. Goosander predation and its potential impact on Atlantic salmon smolts in the River Tana estuary, northern Norway. – Journal of Fish Biology 66: 924-937.

    Museth, J., Borgstrøm, R., Hame, T. & Holen, L.Å. 2003. Predation by brown trout: a major mortality factor for sexually mature European minnows. - Journal of Fish Biology 62: 692-705.

    Borgstrøm, R., Skaala, Ø. & Aastveit, A.H. 2002. High mortality in introduced brown trout depressed potential gene flow to a wild population. - J. Fish Biology 64: 1085-1097.

    Brabrand, Å., Koestler, A.G. & Borgstrøm, R. 2002. Lake spawning of brown trout related to groundwater influx. - J. Fish Biol. 60: 751-763. (doi:10.1006/jfbi.2002.1901)

    Museth, J., Borgstrøm, R., Brittain, J.E., Herberg, I. & Naalsund, C. 2002. Introduction of the European minnow into a subalpine lake: habitat use and long-term changes in population dynamics. - J. Fish Biol. 60: 1308-1321. (doi:10.1006/jfbi.2002.1951)

    Borgstrøm, R. 2001. Relationship between spring snow depth and growth of brown trout Salmo trutta in an alpine lake: Predicting consequences of climate change. - Arctic, Antartic and Alpine Research 33: 476-480.

    Vik, J.O., Borgstrøm, R. & Skaala, Ø. 2001. Cannibalism governing mortality of juvenile brown trout, Salmo trutta, in a regulated stream. - Regulated Rivers: Research and Management 17: 583-594.

    Skaala, Ø., Jørstad, K.E. & Borgstrøm, R. 1996. Genetic impact on two wild brown trout (Salmo trutta L.) populations after release of non-indigenous spawners. - Canadian J. Fish. Aquat. Sci. 53: 2027-2035.

    Borgstrøm, R., Brittain, J.E., Hasle, K., Skjølås, S. & Dokk, J.G. 1996. Reduced recruitment in brown trout Salmo trutta, the role of interactions with the minnow, Phoxinus phoxinus. - Nordic J. Freshw. Res. 72: 30-38.

    Svenning, M.-A. & Borgstrøm, R. 1995. Population structure in landlocked Spitsbergen Arctic charr. Sustained by cannibalism? - Nordic J. Freshw. Res. 71: 424-431.

    Borgstrøm, R. 1994. Freshwater ecology and fisheries. - Pp 41-69 in: Balakrishnan, M., Borgstrøm, R. & Bie, S.W. (eds.). Tropical ecosystems. A synthesis of tropical ecology and conservation. - Oxford & IBH Publishing Co. Pvt. Ltd., New Dehli.

    Borgstrøm, R. 1994. Production in a lacustrine brown trout population with large recruitment potential and low natural mortality: Implications for management. - North Amer. J. Fish. Mgm. 14: 488-499.

    Balakrishnan, M., Borgstrøm, R. & Bie, S.W. (eds.) 1994. Tropical ecosystems. A synthesis of tropical ecology and conservation. - New Dehli, Oxford & IBH Publishing Co. Pvt. Ltd. 441 pp.

    Borgstrøm, R. 1993. Dynamics and resource use in populations of brown trout, Salmo trutta. - Dr.agric. thesis, NLH, 171 pp.

    Borgstrøm, R., Heggenes, J. & Northcote, T.G. 1993. Regular, cyclic oscillations in cohort strength in an allopatric population of brown trout, Salmo trutta L. - Ecology of Freshwater Fish 2: 8-15.

    Borgstrøm, R. & Skaala, Ø. 1993. Size-dependent catchability of brown trout and Atlantic salmon parr by electrofishing in a low conductivity stream. - Nordic J. Freshw. Res. 68: 14-21.

    Borgstrøm, R. 1992. Effect of population density on gill net catchability in four populations of brown trout, Salmo trutta. - Can. J. Fish. Aquat. Sci. 49: 1539-1545.

    Borgstrøm, R. 1992. Relationship between annual recruitment and density in a lacustrine population of allopatric brown trout (Salmo trutta L.). - Can. J. Fish. Aquat. Sci. 49: 1107-1113.

    Borgstrøm, R., Brabrand, Å. & Solheim, J.T. 1992. Effects of siltation on resource utilization and dynamics of allopatric brown trout, Salmo trutta, in a reservoir. - Environ. Biol. Fish. 34: 247-255.

    Borgstrøm, R. & Plahte, E. 1992. Gillnet selectivity and a model for capture probabilities for a stunted brown trout (Salmo trutta) population. - Can. J. Fish. Aquat. Sci. 49: 1546-1554.

    Bjerkeng, B., Borgstrøm, R., Brabrand, Å. & Faafeng, B. 1991. Fish size distribution and total fish biomass estimated by hydroacoustical methods: a statistical approach. - Fisheries Research 11: 41-73.

    Heggenes, J. & Borgstrøm, R. 1991. Effect of habitat types on survival, spatial distribution and production of an allopatric cohort of Atlantic salmon, Salmo salar L., under conditions of low competition. - J. Fish Biol. 38: 267-280.

    Skaala, Ø., Jørstad, K.E. & Borgstrøm, R. 1991. Fine-spotted brown trout: genetic aspects and the need for conservation. - J. Fish Biol. 39 (Supplement A): 123-130.

    Borgstrøm, R. 1989. Direct estimation of gill-net selectivity for roach (Rutilus rutilus (L.)) in a small lake. - Fisheries Research 7: 289-298.

    Borgstrøm, R. & Heggenes, J. 1988. Smoltification of sea trout (Salmo trutta) at short length as an adaptation to extremely low summer stream flow. - Pol. Arch. Hydrobiol. 35: 375-384.

    Heggenes, J. & Borgstrøm, R. 1988. Effect of mink, Mustela vison Schreber, predation on cohorts of juvenile Atlantic salmon, Salmo salar L., and brown trout, S. trutta L., in three small streams. - J. Fish Biol. 33: 885-894.

    Borgstrøm, R., Garnås, E. & Saltveit, S.J. 1985. Interactions between brown trout, Salmo trutta L., and minnow, Phoxinus phoxinus (L.) for their common prey, Lepidurus arcticus (Pallas). - Verh. Internat. Verein. Limnol. 22: 2548-2552.

    Borgstrøm, R. & Løkensgard, T. 1984. Influence of discharge and stream gradient on fish community composition in the regulated River Glåma, Norway. - Pp 341-350 in: Lillehammer, A. & Saltveit, S.J. (eds.). Regulated Rivers. Universitetsforlaget, Oslo.

    Eie, J.A. & Borgstrøm, R. 1981. Distribution and food of roach (Rutilus rutilus (L.)) and perch (Perca fluviatilis L.) in the eutrophic Lake Årungen, Norway. - Verh. Internat. Verein. Limnol. 21: 1257-1263.

    Borgstrøm, R. & Hendrey, G.R. 1976. pH tolerance of the first larval stages of Lepidurus arcticus (Pallas) and adult Gammarus lacustris G. O. Sars. - SNSF-project IR 22/76.

    Borgstrøm, R. & Larsson, P. 1974. The first three instars of Lepidurus arcticus (Pallas) (Crustacea: Notostraca). - Norw. J. Zool. 22: 45-52.

    Borgstrøm, R. 1973. The effect of increased water level fluctuation upon the brown trout population of Mårvann, a Norwegian reservoir. - Norw. J. Zool. 21: 101-112.

    Borgstrøm, R. & Lien, L. 1973. Studies of the Helminth Fauna of Norway. XXX. Description of Proteocephalus sp. Weinland, 1858 (Cestoda: Proteocephala) in brown trout, Salmo trutta L., from southern Norway. - Norw. J. Zool. 21: 289-291.

    Lien, L. & Borgstrøm, R. 1973. Studies of the Helminth Fauna of Norway. XXXI. Distribution and seasonal occurrence of Proteocephalus sp. Weinland, 1858 (Cestoda: Proteocephala) in brown trout, Salmo trutta L., from southern Norway. - Norw. J. Zool. 21: 293-297.

    Aarefjord, F., Borgstrøm, R., Lien, L. & Milbrink, G. 1973. Oligochaetes in the bottom fauna and stomach content of trout, Salmo trutta (L.). - Norw. J. Zool. 21: 281-286.

    Borgstrøm, R. 1970. Studies of the Helminth Fauna of Norway. XVI. Triaenophorus nodulosus (Pallas, 1760) (Cestoda) in Bogstad Lake. III. Occurrence in pike, Esox lucius L. - Nytt Mag. Zool. 18: 209-216.

    Bøyum, A. & Borgstrøm, R. 1970. The concentration of granulocytic stem cells in mouse bone marrow, determined with diffusion chamber technique. - Scand. J. Haemat. 7: 294-303.

Utvalgte artikler og bøker på norsk:

    Rognerud, S., Borgstrøm, R., Qvenild, T. & Tysse, Å. 2003. Ørreten på Hardangervidda. Næringsnett, kvikksølvinnhold, ørekytspredning og klimavariasjoner – følger for fiske og forvaltning. NIVA Rapport LNR 4712. (Fulltekst)

    Borgstrøm, R. 2002. Tynningsfiske i bestander med stor rekruttering. - PH-status 8(4): 14-15.

    Borgstrøm, R. (red.) 2001. Fisk og vilt. - Delrapport I fra forskningsprogrammet Bruk og forvaltning av utmark. - Norges forskningsråd, Oslo.

    Borgstrøm, R. 2000. Fiskeressurser på Hardangervidda. - Pp 29-38 in: Lande, A. & Stålberg, R. (red.). Bruken av Hardangervidda - ressurser, potensiale, konflikter. - HiT notat 3-2000.

    Borgstrøm, R. 2000. Mer snø i fjellet; Et gode for regulanten - et tap for fiskeren. - Fiskesymposiet 2000. Enfo Publ. 444-2000: 4-10.

    Borgstrøm, R. & Hansen, L.P. (red.) 2000. Fisk i ferskvann. Et samspill mellom bestander, miljø og forvaltning. - Landbruksforlaget, Oslo. 376 pp.

    Borgstrøm, R. 1997. Skjoldkreps - et arktisk dyr i norske innsjøer. - Fagnytt Naturforvaltning 4(9): 1-4.

    Borgstrøm, R. 1996. Prøvefiske og bestandsanalyser. - Fagnytt Naturforvaltning 3(9): 1-4.

    Borgstrøm, R. & Brabrand, Å. 1996. Spredning av fiskearter; Mindre geografisk variasjon og endret artsdominans. - Fagnytt naturforvaltning 3(5): 1-4.

    Museth, J., Borgstrøm, R. & Høye, J.K. 1996. Sølensjøfisket - kulturhistorie, næring og fiskebestander i endring. - Fagnytt Naturforvaltning 3(3): 1-4.

    Borgstrøm, R. 1995. Ørret på Hardangervidda - viktig ressurs i fare. - Fagnytt Naturforvaltning 2(9):1-4.

    Borgstrøm, R., Jonsson, B. & L'Abée-Lund, J.H. (red.) 1995. Ferskvannsfisk -økologi, kultivering og utnytting. (Fresh water fish - Ecology, culture, and exploitation) Sluttrapport fra forskningsprogrammet "Fiskeforsterkningstiltak i norske vassdrag" (FFT). Norges Forskningsråd, Oslo.


Institutt for naturforvaltning
Postboks 5003
1432 Ås
Tlf: 64 96 58 00
E-post: ina@umb.no
 
Vollebekk:
Tlf.: 64 96 50 21
Faks: 64 96 58 02
Varelev.: Vollveien 5
(bygning nr. 1)
Urbygningen:
Tlf.: 64 96 58 00
Faks: 64 96 58 01
Varelev.: Ole Sverres plass 1
(bygning nr. 30)