Kaj Sand-Jensen

Professor

Freshwater Biology
Universitetsparken 4
2100 København Ø
- ksandjensen@bio.ku.dk
- https://www1.bio.ku.dk/english/research/fbs/
- http://www.bio.ku.dk
Phone: +4535330124

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Published
Hvilken natur kan vi få på våde lavbundsjorde?
Sand-Jensen, Kaj, Baumane, M., Båstrup-Spohr, Lars & Bruun, Hans Henrik, 2021, In: Aktuel Naturvidenskab. 2021, 6, p. 28-33
Research output: Contribution to journal › Journal article › Communication
Published
Naturen i Danmark: Havet
Sand-Jensen, Kaj & Fenchel, Tom (ed.), 2017, 2 ed. Gyldendal. 516 p. (Naturen i Danmark).
Research output: Book/Report › Book › Communication
Published
Forsagere i minefeltet mellem natur og landbrug
Sand-Jensen, Kaj, 1999, In: Aktuel Naturvidenskab. 3, p. 40-41
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Patch dynamics of the stream macrophyte, Callitriche cophocarpa
Sand-Jensen, Kaj & Madsen, T. V., 1992, In: Freshwat. Biol.. 27, p. 277-282
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Epiphyte shading: Its role in resulting depth distribution of submerged aquatic macrophytes
Sand-Jensen, Kaj, 1990, In: Folia geobot. Phytotax.. 25, p. 315-320
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Kan planter skjule sig for græssende dyr under vand?
Sand-Jensen, Kaj & Jacobsen, Dean, 2002, In: URT. 26(4), p. 122-133
Research output: Contribution to journal › Journal article › Research
Published
Nøgleorganismer og biologiske ingeniører
Sand-Jensen, Kaj, 1995, In: Vand og Jord. 5, p. 201-202
Research output: Contribution to journal › Journal article › Research
Published
Dynamic Properties of Recruitment, Expansion and Mortality of Macrophyte Patches in Streams
Sand-Jensen, Kaj, Andersen, K. & Andersen, T., 1999, In: Internat. Rev. Hydrobiol.. 84, p. 497-508
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Plants and enviromental conditions in Danish Lobelia-lakes
Sand-Jensen, Kaj & Søndergaard, M., 1997, Freshwater Biology. Priorities and Development in Danish research. København: Gad, p. 54-73
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
Bregner: sjældent spændende
Sand-Jensen, Kaj & Schou, J. C., 2021, In: URT. 3, p. 6-13 7 p.
Research output: Contribution to journal › Journal article › Communication
Published
Axel Hemmingsen - original outsider i dansk naturvidenskab
Sand-Jensen, Kaj, 2001, In: Naturens Verden. 5, p. 10-19
Research output: Contribution to journal › Journal article › Research
Published
Videnskabelig tradition - styrke eller hæmsko?
Sand-Jensen, Kaj & Bruun, Hans Henrik, 2013, In: Aktuel Naturvidenskab. 2013, 5, p. 42-45 4 p.
Research output: Contribution to journal › Journal article › Communication
Published
Den fattige egn med den rige flora
Schou, J. C. & Sand-Jensen, Kaj, 2021, In: URT. 4, p. 12-22
Research output: Contribution to journal › Journal article › Communication
Published
Vidunderlig natur omkring Hobro for 150 år siden
Schou, J. C. & Sand-Jensen, Kaj, 2020, In: URT. 44, 3, p. 8-15
Research output: Contribution to journal › Journal article › Communication
Published
Med lup om halsen: og flora i hånden
Schou, J. C. & Sand-Jensen, Kaj, 2020, In: URT. 44, 4, p. 14-19
Research output: Contribution to journal › Journal article › Communication
Published
Danmarks vandplanter
Schou, J. C., Moeslund, B., Båstrup-Spohr, Lars & Sand-Jensen, Kaj, 2017, BFN's Forlag. 560 p.
Research output: Book/Report › Book › Communication
Published
Pigment specific in vivo light absorption of phytoplankton from estuarine, coastal and oceanic waters
Stæhr, A., Markager, S. & Sand-Jensen, Kaj, 2004, In: Marine Ecology - Progress Series. 275, p. 115-128
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Seasonal changes in temperature and nutrient control of photosynthesis, respiration and growth of natural phytoplankton communities
Stæhr, P. A. & Sand-Jensen, Kaj, 2006, In: Freshwater Biology. 51, 2, p. 249-262
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ny teknologi i søerne
Stæhr, P. A. & Sand-Jensen, Kaj, 2008, In: Vand og Jord. 3, p. 18-21
Research output: Contribution to journal › Journal article › Research
Published
The metabolism of aquatic ecosystems: history, applications, and future challenges
Stæhr, P. A., Testa, J. M., Kemp, W. M., Cole, J. J., Sand-Jensen, Kaj & Smith, S. V., 2012, In: Aquatic Sciences. 74, 1, p. 15-29 15 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Temporal dynamics and regulation of lake metabolism
Stæhr, P. A. & Sand-Jensen, Kaj, 2007, In: Limnology and Oceanography. 52, 1, p. 108–120
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Lake metabolism scales with lake morphometry and catchment conditions
Stæhr, P. A., Båstrup-Spohr, Lars, Sand-Jensen, Kaj & Stedmon, C., 2012, In: Aquatic Sciences. 74, 1, p. 155-169 15 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Drivers of metabolism in contrasting lakes
Stæhr, P. A., Sand-Jensen, Kaj, Raun, A. L., Nilsson, B. & Kidmose, J., 2010, In: Limnology and Oceanography. 55, p. 817-830 14 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Drivers of metabolism and net heterotrophy in contrasting lakes
Stæhr, P. A., Sand-Jensen, Kaj, Raun, A. L., Nilsson, B. & Kidmose, J. B., 2010, In: Limnology and Oceanography. 55, 2, p. 817-830 14 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ny teknologi på søerne
Stæhr, P. A. & Sand-Jensen, Kaj, 2008, In: Aktuel Naturvidenskab. 3, p. 18-21
Research output: Contribution to journal › Journal article › Research
Published
Søer som superorganisme
Stæhr, P. A., Closter, R. M. & Sand-Jensen, Kaj, 2008, In: Vand og Jord. 4, p. 134-138
Research output: Contribution to journal › Journal article › Research
Published
Optimal physical design in a new lake for reducing phosphorus pools
Sø, Jonas Stage, Sand-Jensen, Kaj & Kragh, T., 1 Mar 2021, In: Ecological Engineering. 161, 11 p., 106160.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Temporal development of biodiversity of macrophytes in newly established lakes
Sø, Jonas Stage, Sand-Jensen, Kaj & Båstrup-Spohr, Lars, 2020, In: Freshwater Biology. 65, 3, p. 379-389
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Hourly methane and carbon dioxide fluxes from temperate ponds
Sø, Jonas Stage, Martinsen, K. T., Kragh, T. & Sand-Jensen, Kaj, 2024, In: Biogeochemistry. 167, p. 177-195 19 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Methane and carbon dioxide fluxes at high spatiotemporal resolution from a small temperate lake
Sø, Jonas Stage, Sand-Jensen, Kaj, Martinsen, K. T., Polauke, E., Kjær, Johan Emil, Reitzel, K. & Kragh, T., 2023, In: Science of the Total Environment. 878, 11 p., 162895.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Nyt udstyr måler tabene af metan og CO2 fra søer
Sø, Jonas Stage, Sand-Jensen, Kaj, Martinsen, K. T. & Kragh, T., 25 May 2023, Videnskab.dk.
Research output: Other contribution › Net publication - Internet publication › Communication
Published
Fysisk design af nye søer kan reducere fosforpuljen og tilgodese biodiversiteten
Sø, Jonas Stage, Kragh, T. & Sand-Jensen, Kaj, 2020, In: Vand & Jord. 27, 4, p. 142-145
Research output: Contribution to journal › Journal article › Communication
Published
Environmental drivers and sources of stream oxygen consumption in an agricultural lake catchment
Sø, Jonas Stage, Kragh, T., Sand-Jensen, Kaj & Martinsen, K. T., 2022, In: Ecological Engineering. 176, 11 p., 106516.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Vand og vejr om 100 år: Klimaforandringer og det danske vandmiljø
Søndergaard, M. (ed.), Kronvang, K. B. (ed.), Pejrup, M. (ed.) & Sand-Jensen, Kaj (ed.), 2006, 1. ed. Hovedland.
Research output: Book/Report › Book › Communication
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
Published
Carbon uptake by leaves and roots of Littorella uniflora (L.) Aschers
Søndergaard, M. & Sand-Jensen, Kaj, 1979, In: Aquatic Botany. 6, p. 1-12
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
Published
Survival, metabolism and growth of Ulva lactuca under winter conditions: a laboratory study of bottlenecks in the life cycle
Vermaat, J. E. & Sand-Jensen, Kaj, 1987, In: Marine Biology. 95, p. 55-61
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Species pool versus site limitations of macrophytes in urban waters
Vermonden, K., Leuven, R. S. E. W., van der Velde, G., Hendriks, A. J., van Katwijk, M. M., Roelofs, J. G. M., Lucassen, E. C. H. E., Sand-Jensen, Kaj & Pedersen, Ole, 2010, In: Aquatic Sciences. 72, 3, p. 379-389 11 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Aquatic macrophyte richness in Danish lakes in relation to alkalinity, transparency, and lake area
Vestergaard, O. S. & Sand-Jensen, Kaj, 2000, In: Canadian Journal of Fisheries and Aquatic Sciences. 57, p. 2022-2031
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Bikarbonat regulerer vandplanter i søer
Vestergaard, O. S. & Sand-Jensen, Kaj, 1999, In: Vand og Jord. 1, p. 26-30
Research output: Contribution to journal › Journal article › Research
Published
Alkalinity and trophic state regulate aquatic plant distribution in Danish lakes
Vestergaard, O. S. & Sand-Jensen, Kaj, 2000, In: Aquatic Botany. 67, 2, p. 85-107
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Leaf gas films, underwater photosynthesis and plant species distributions in a flood gradient
Winkel, A., Visser, E. J. W., Colmer, T. D., Brodersen, K. P., Voesenek, L. A. C. J., Sand-Jensen, Kaj & Pedersen, Ole, 2016, In: Plant, Cell and Environment. 39, 7, p. 1537-1548 12 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Photosynthesis and canopy structure of a submerged plant, Potamogeton pectinatus in a Danish lowland stream
van der Bijl, L., Sand-Jensen, Kaj & Hjermind, A., 1989, In: Journal of Ecology. 77, p. 947-962
Research output: Contribution to journal › Journal article › Research › peer-review

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Most downloads

7463 downloads
Danmarks biodiversitets fremtid: de væsentligste udfordringer og højest prioriterede virkemidler
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
1655 downloads
Langtidsbelastning af miljørealistiske koncentrationer af pesticider på bundsamfund i ferskvand: stofomsætning, vækst, dødelighed og samfundsstruktur hos planter og dyr - et mikrokosmosstudium
Research output: Book/Report › Report › Research
Published
1590 downloads
Hvordan påvirker temperaturen den bakterielle omsætning?
Research output: Contribution to journal › Journal article › Research › peer-review
Published