Freshwater Biology

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  1. 1975
  2. Published

    Biomass, net production and growth dynamics in an eelgrass (Zostera marina L.) population in Vellerup Vig

    Sand-Jensen, Kaj, 1975, In: Marine Biology Research. 14, p. 185-201

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 1977
  4. Published

    A comparison of chlorophyll a determinations of unstored and stored plankton filters extracted by methanol and acetone

    Sand-Jensen, Kaj, 1977, In: Vatten. 32, p. 337-341

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 1978
  6. Published

    Growth and production of isoetids in oligotrophic Lake Kalgaard, Denmark

    Sand-Jensen, Kaj & Søndergaard, M., 1978, In: Verhandlungen / Internationale Vereinigung für Theoretische und Angewandte Limnologie. 20, p. 659-666

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Macrophytes and chemistry of acidic streams from lignite mining areas

    Sand-Jensen, Kaj & Rasmussen, L., 1978, In: Botanisk Tidsskrift. 72, p. 105-112

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Metabolic adaptation and vertical zonation of Littorella uniflora (L.) Aschers. and Isoetes lacustris L

    Sand-Jensen, Kaj, 1978, In: Aquatic Botany. 4, p. 1-10

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Total autotrophic production in oligotrophic Lake Kalgaard, Denmark

    Søndergaard, M. & Sand-Jensen, Kaj, 1978, In: Verhandlungen / Internationale Vereinigung für Theoretische und Angewandte Limnologie. 20, p. 667-673

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. 1979
  11. Published

    Distribution and quantitative development of aquatic macrophytes in relation to sediment characteristics in oligotrophic Lake Kalgaard, Denmark

    Sand-Jensen, Kaj & Søndergaard, M., 1979, In: Freshwater Biology. 9, 1, p. 1-11

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Effect of epiphytes on eelgrass photosynthesis

    Sand-Jensen, Kaj, 1979, In: Aquatic Botany. 3, p. 55-63

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Heavy metals in acid streams from lignite mining areas

    Rasmussen, L. & Sand-Jensen, Kaj, 1979, In: Science of the Total Environment. 12, 1, p. 61-74

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Physico-chemical environment, phytoplankton biomass and production in oligotrophic Lake Kalgaard, Denmark

    Søndergaard, M. & Sand-Jensen, Kaj, 1979, In: Hydrobiologia. 63, 3, p. 241-253

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    The delay in 14C fixation rates by three submerged macrophytes: A source of error in in the 14C technique

    Søndergaard, M. & Sand-Jensen, Kaj, 1979, In: Aquatic Botany. 6, p. 111-119

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. 1980
  17. Published

    Balancen mellem autotrofe komponenter i tempererede søer med forskellig næringsbelastning

    Sand-Jensen, Kaj, 1980, In: Vatten. 36, p. 104-115

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Biomass and production of eelgrass (Zostera marina L.) in the Øresund, Denmark.

    Wium-Andersen, S. & Borum, Jens, 1980, In: Marine Biology Research. sup. 1, p. 49-55

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Biomass and production of epiphytes on eelgrass (Zostera marina L.) in the Øresund, Denmark.

    Borum, Jens & Wium-Andersen, S., 1980, In: Marine Biology Research. sup. 1, p. 57-64

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Den klarvandede Lobelia sø

    Sand-Jensen, Kaj, 1980, In: Natur og Miljoe (Copenhagen). 2, p. 6-9

    Research output: Contribution to journal › Journal article › Research

  21. Published

    Okkerforurening af vandløb

    Sand-Jensen, Kaj & Iversen, T. M., 1980, In: Kaskelot. 46, p. 10-15

    Research output: Contribution to journal › Journal article › Research

  22. Published

    Økologisk balance i danske Lobelia søer

    Sand-Jensen, Kaj, 1980, In: Naturens Verden. 4, p. 222-227

    Research output: Contribution to journal › Journal article › Research

  23. 1981
  24. Published

    Light climate and metabolism of Nitella flexilis (L.) Ag. in the bottom water of oligotrophic Lake Grane Langsø, Denmark

    Nygaard, G. & Sand-Jensen, Kaj, 1981, In: International Review of Hydrobiology. 66, p. 685-699

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Phytoplankton and epiphyte development and their shading effect on submerged macrophytes in lakes of different nutrient status

    Sand-Jensen, Kaj & Søndergaard, M., 1981, In: International Review of Hydrobiology. 66, p. 529-552

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    The relative importance of skin oxygen uptake in the naturally buried plaice, Pleuronectes platessa, exposed to graded hypoxia.

    Steffensen, John Fleng, Lomholt, J. P. & Johansen, K., 1981, In: Respiratory Physiology & Neurobiology. 44, 3, p. 269-75 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. 1982
  28. Published

    Oxygen exchange with the lacunae and across leaves and roots of the submerged vascular macrophyte, Lobelia dortmanna

    Sand-Jensen, Kaj & Prahl, C., 1982, In: New Phytologist. 91, p. 103-120

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Oxygen release from from roots of submerged aquatic macrophytes

    Sand-Jensen, Kaj, Prahl, C. & Stokholm, H., 1982, In: Oikos. 38, p. 103-120

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. 1983
  31. Published

    Energetic cost of active branchial ventilation in the sharksucker, Echeneis naucrates.

    Steffensen, John Fleng & Lomholt, J. P., 1983, In: Journal of Experimental Biology. 103, p. 185-92 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Modelling the seasonal variation of organic matter in the sediment of a Daniush lowland stream

    Jeppesen, E., Sand-Jensen, Kaj & Hasholt, Bent, 1983, Proceedings 11th Nordic Symposium on Sediments, Oslo, Norway. Vol. 11. p. 53-56

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  33. Published

    Photosynthetic carbon sources of stream macrophytes

    Sand-Jensen, Kaj, 1983, In: Journal of Experimental Botany. 3, p. 198-210

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Physical and chemical parametrs regulating growth of periphytic communities

    Sand-Jensen, Kaj, 1983, Periphyton of Freshwater Ecosystems. Wetzel, R. G. (ed.). Dr. W. Junk, The Haag, p. 63-71

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  35. Published

    Regulation of growth of eelgrass (Zostera marina L.) in Danish coastal waters

    Sand-Jensen, Kaj & Borum, Jens, 1983, In: Journal of Marine Engineering and Technology. 17, 2, p. 15-21

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    The quantitative role of macrophytes, epiphytes and phytoplankton under different nutrient conditions in Roskilde Fjord, Denmark.

    Borum, Jens, 1983,  Proc. Int. Symp. Aquat. Macrophytes, Nijmegen, 18-23 September 1983.. p. 35-40

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  37. 1984
  38. Published

    Biomass variation and autotrophic production of an epiphyte-macrophyte community in a coastal Danish area: I. Eelgrass (Zostera marina L.).

    Wium-Andersen, S. & Borum, Jens, 1984, In: Marine Biology Research. 23, 1-2, p. 33-46

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Biomass variation and autotrophic production of an epiphyte-macrophyte community in a coastal Danish area: I. Epiphyte species composition, biomass and production.

    Borum, Jens, Kaas, H. & Wium-Andersen, S., 1984, In: Marine Biology Research. 23, 1-2, p. 165-179

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Differential ability of marine and freshwater macrophytes to utilize HCO3 and CO2

    Sand-Jensen, Kaj & Gordon, D. M., 1984, In: Marine Biology. 80, 3, p. 247-253

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Effekter af næringsstoftilledninger til kystnære marine områder.

    Borum, Jens, 1984, In: Vand og miljø. 3, p. 7-10

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Epiphyte shading and its effects on photosynthesis and diel metabolism of Lobelia dortmanna L. during the spring bloom in a Danish lake

    Sand-Jensen, Kaj & Borum, Jens, 1984, In: Aquatic Botany. 20, p. 109-119

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Exceptional phytoplankton occurrences and related events in Danish waters 1981-83

    Ærtebjerg, G. & Borum, Jens, 1984.

    Research output: Contribution to conference › Paper › Research

  44. Published

    Økologiske konsekvenser af reduceret vandføring i Suså. Bind I

    Iversen, T. M., Jeppesen, E., Sand-Jensen, Kaj & Thorup, J., 1984, Miljøstyrelsen, København. 178 p.

    Research output: Book/Report › Book › Research

  45. Published

    Økologiske konsekvenser af reduceret vandføring i Suså. Bind II. Biologiske processer og vandkvalitetsforhold

    Jeppesen, E., Iversen, T. M., Sand-Jensen, Kaj & Prahl, C., 1984, Miljøstyrelsen, København. 261 p.

    Research output: Book/Report › Book › Research

  46. Published

    Biomass variation and autotrophic production of an epiphyte-macrophyte community in a costal danish area: II. epiphyte species composition, biomass and production

    Borum, Jens, Kaas, H. & Wium-Andersen, S., Dec 1984, In: Ophelia. 23, 2, p. 165-179 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. 1985
  48. Published

    Cutaneous oxygen uptake and its relation to skin blood perfusion and ambient salinity in the plaice, Pleuronectes platessa.

    Steffensen, John Fleng & Lomholt, J. P., 1985, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 81, 2, p. 373-5 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Development of epiphytic communities on eelgrass (Zostera marina L.) along a nutrient gradient in a Danish Estuary

    Borum, Jens, 1985, In: Marine Biology. 87, p. 211-218

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Forurening fra landbruget skader åer, søer og fjorde

    Sand-Jensen, Kaj, 1985, In: Dansk Vildforskning. 1984/85, p. 34-39

    Research output: Contribution to journal › Journal article › Research

  51. Published

    High rates of production and mortality of submerged Sparganium emersum Rehman during its short growth season in a Eutrophic Danish stream

    Nielsen, L. W., Nielsen, K. & Sand-Jensen, Kaj, 1985, In: Aquatic Botany. 22, 3-4, p. 325-334

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    Kvælstof og fosfat virker sammen på plantevækst og sedimentomsætning

    Sand-Jensen, Kaj, 1985, In: Vand og miljø. 2, p. 76-78

    Research output: Contribution to journal › Journal article › Research

  53. Published

    Microprofiles of oxygen in epiphyte communities on submerged macrophytes

    Sand-Jensen, Kaj, Revsbech, N. P. & Jørgensen, B. B., 1985, In: Marine Biology. 89, p. 55-62

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Vandløbsøkologi: Kompendium til brug ved undervisningen i Akvatisk Økologi ved Københavns Universitet

    Iversen, T. M., Lindegaard, C., Sand-Jensen, Kaj & Thorup, J., 1985, 110 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  55. Published

    Vandplanters optagelse af uorganisk kulstof ved fotosyntesen

    Sand-Jensen, Kaj, 1985, In: Naturens Verden. p. 175-182

    Research output: Contribution to journal › Journal article › Research

  56. 1986
  57. Published

    En almindelig fejl ved bestemmelse af marine planktonalgers primærproduktion

    Borum, Jens & Sand-Jensen, Kaj, 1986, In: Vand og miljø. 3, 2, p. 74-75

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. Published

    Gut evacuation rates and ingestion rates of Eudiaptomus graciloides measured by means of the gut fluorescence method

    Christoffersen, Kirsten Seestern & Jespersen, Anne, 1986, In: Journal of Plankton Research. 8, 5, p. 973-983 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Submerged macrophytes: Carbon metabolism, growth regulation and role in macrophyte dominated ecosystems

    Sand-Jensen, Kaj & Søndergaard, M., 1986, 193 p. (Aquatic Botany, Vol. 26).

    Research output: Book/Report › Book › Research › peer-review

  60. Published

    Variable HCO3 affinity of Elodea canadensis Michaux in response to different HCO3 and CO2 concentrations during growth

    Sand-Jensen, Kaj & Gordon, D., 1986, In: Oecologia. 70, p. 420-432

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. 1987
  62. Published

    Coronary ligation reduces maximum sustained swimming speed in Chinook salmon, Oncorhynchus tshawytscha.

    Farrell, A. P. & Steffensen, John Fleng, 1987, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 87, 1, p. 35-7 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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