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

    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

  12. 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

  13. 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

  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

    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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 1981
  24. 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

  25. 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

  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

    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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 1984
  38. 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

  39. 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

  40. 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

  41. 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

  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

    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

  44. 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

  45. 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

  46. Published

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

    Ærtebjerg, G. & Borum, Jens, 1984.

    Research output: Contribution to conference › Paper › Research

  47. 1985
  48. 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

  49. 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

  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

    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

  52. 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

  53. 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

  54. 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

  55. 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

  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

    Dynamics of epiphytes on eelgrass (Zostera marina L.) leaves: Relative roles of algal growth, herbivory and substratum turnover

    Borum, Jens, 1987, In: Limnology and Oceanography. 32, 4, p. 986-992

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

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