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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51 - 100 out of 495Page size: 50

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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
Unprecedented slow growth and mortality of the rare colonial cyanobacterium, Nostoc zetterstedtii, in oligotrophic lakes
Sand-Jensen, Kaj & Møller, C. L., 2011, In: Limnology and Oceanography. 56, 6, p. 1976-1982 7 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Univers er stadig toppen
Sand-Jensen, Kaj, 2000, In: Aktuel Naturvidenskab. 2, p. 32-33
Research output: Contribution to journal › Review › Research
Published
Underwater photosynthesis of submerged plants - recent advances and methods
Pedersen, Ole, Colmer, T. D. & Sand-Jensen, Kaj, 2013, In: Frontiers in Plant Science. 4, 19 p., 140.
Research output: Contribution to journal › Review › Research › peer-review
Published
Udforskningen af de ferske vande gennem 100 år
Sand-Jensen, Kaj, 2004, De ferske vandes kulturhistorie i Danmark. AQUA Ferskvands Akvarium, Silkeborg., p. 34-44
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Udforskning af de ferske vande gennem 100 år
Sand-Jensen, Kaj, 2004, De ferske vandes kulturhistorie i Danmark. Aqua Ferskvands Akvarium, p. 35-44
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Ud af osteklokken
Sand-Jensen, Kaj, Kjaer, C. R. & Dahlgaard, J., 2003, In: Aktuel Naturvidenskab. 4, p. 28-29
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Tvepibet lobelie - særegen og fascinerende
Sand-Jensen, Kaj, Binzer, T., Pedersen, Ole & Borum, Jens, 2005, In: URT. 29, 2, p. 65-71
Research output: Contribution to journal › Journal article › Research
Published
Troværdige spådomme om fremtidens klima
Sand-Jensen, Kaj & Pedersen, N. L., 2005, In: Aktuel Naturvidenskab. 1, p. 30-32
Research output: Contribution to journal › Journal article › Research
Published
Transpiration does not control growth and nutrient supply in the amphibious plant
Pedersen, Ole & Sand-Jensen, Kaj, 1997, In: Plant, Cell and Environment. 20, p. 117-123
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
Tolerance of the widespread cyanobacterium Nostoc commune to extreme temperature variation (-269 to105 degress C), pH and salt stress
Sand-Jensen, Kaj & Jespersen, T. S., 2012, In: Oecologia. 169, 2, p. 331-339 9 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Tissue anoxia - a key factor in seagrass mortality?
Borum, Jens, Zieman, J., Frankovich, T. M., Terrados, J., Pedersen, Ole, Greve, T. M., Binzer, T., Sand-Jensen, Kaj & Larsen, P., 2007.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Time-restricted flight ability influences dispersal and colonization rates in a group of freshwater beetles
Iversen, Lars Lønsmann, Rannap, R., Briggs, L. & Sand-Jensen, Kaj, Feb 2017, In: Ecology and Evolution. 7, 3, p. 824-830 7 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Through-flow of water in leaves of a submerged plant is influenced by the apical opening
Pedersen, Ole, Jørgensen, L. B. & Sand-Jensen, Kaj, 1997, In: Planta. 202, p. 43-50
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The search for reference conditions for stream vegetation in northern Europe
Battrup-Pedersen, A., Springe, G., Riis, T., LARSEN, S. E., Sand-Jensen, Kaj & LARSEN, L. M. K., 2008, In: Freshwater Biology. 53, 9, p. 1890-1901
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The quantum efficiency of photosynthesis in macroalgae and submerged angiosperms
Frost-Christensen, H. & Sand-Jensen, Kaj, 1992, In: Oecologia. 91, p. 377-384
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The physiology and ecology of light-growth relationship in macroalgae
Markager, S. & Sand-Jensen, Kaj, 1994, In: Progress in Phycological Research. Vol 10, p. 209-298
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The origin of the Freshwater Biological Laboratory
Sand-Jensen, Kaj, 1997, Freshwater Biology. Priorities and development in Danish research. København: Gad, p. 9-15
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › 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
The interactive effects of light and inorganic carbon on aquatic plant growth
Madsen, T. V. & Sand-Jensen, Kaj, 1994, In: Plant, Cell and Environment. 17 (8), p. 955-962
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
The carboxylase activity of Rubisco and the photosynthetic performance in aquatic plants
Beer, S., Sand-Jensen, Kaj, Madsen, T. V. & Nielsen, S. L., 1991, In: Oecologia. 84, p. 429-434
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The carbon pump supports high primary production in a shallow lake
Andersen, M. R., Kragh, T., Martinsen, K. T., Kristensen, E. & Sand-Jensen, Kaj, 2019, In: Aquatic Sciences. 81, 2, p. 1-11 24.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The Freshwater Biological Laboratory in Hillerød - History and scientific priorities
Sand-Jensen, Kaj & Dall, P. C., 1997, Freshwater Biology. Priorities and Development in Danish Research. København: Gad, p. 16-26
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
The Dangers of Being a Small, Oligotrophic and Light Demanding Freshwater Plant across a Spatial and Historical Eutrophication Gradient in Southern Scandinavia
Sand-Jensen, Kaj, Bruun, Hans Henrik, Nielsen, T. F., Christiansen, D. M., Hartvig, P., Schou, J. C. & Båstrup-Spohr, Lars, 2 Feb 2018, In: Frontiers in Plant Science. 9, 14 p., 66.
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
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
Temperaturen i vandløb: empiri og modeller
Pedersen, N. L. & Sand-Jensen, Kaj, 2005, In: Vand og Jord. 2, p. 48-53
Research output: Contribution to journal › Journal article › Research
Published
Søsalat er reguleret af græsning
Geertz-Hansen, O. & Sand-Jensen, Kaj, 1992, In: Vand og miljø. 4, p. 109-113
Research output: Contribution to journal › Journal article › Research
Published
Sørestaurering
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 399-407 9 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Søernes rodfæstede planter
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 301-318 18 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Søernes plankton
Christoffersen, Kirsten Seestern & Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 273-299 27 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Søernes miljø
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 257-272 16 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Søernes fugle og pattedyr
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 365-389 25 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Søer som superorganismer
Sand-Jensen, Kaj, Stæhr, P. A. & Closter, R. M., 2008, In: Vand og Jord. 25, 4, p. 134-138
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
Søer - en beskyttet naturtype
Sand-Jensen, Kaj, 2001, København: Gad. 309 p.
Research output: Book/Report › Book › Research
Published
Sådan kan nye søer planlægges
Sand-Jensen, Kaj, Egemose, S. & Søndergaard, M., 2020, In: Vand & Jord. 27, 4, p. 170-172
Research output: Contribution to journal › Journal article › Communication
Published
Så forandret - Danmarks natur gennem 200 år
Sand-Jensen, Kaj & Schou, J. C., 18 Nov 2019, In: Frederiksborg Amts Avis. p. 9
Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
Published
Så forandret: Danmarks natur gennem 200 år
Sand-Jensen, Kaj & Schou, J. C., 2019, BFN's Forlag. 276 p.
Research output: Book/Report › Book › Communication
Published
Synspunkt: Tal for åbne ører
Sand-Jensen, Kaj, 2000, In: Vand og Jord. 1, p. 2
Research output: Contribution to journal › Journal article › Research
Published
Synspunkt: Sø og å er andet end N og P
Sand-Jensen, Kaj, 1994, In: Vand og Jord. 5, p. 194
Research output: Contribution to journal › Journal article › Research
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
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
Published
Strømningsmønstre omkring planter i vandløb
Mebus, J. R., Sand-Jensen, Kaj & Sand Jespersen, T., 1994, In: Vand og Jord. 4, p. 172-176
Research output: Contribution to journal › Journal article › Research
Published
Streams and their future inhabitants
Sand-Jensen, Kaj & Friberg, N., 2006, Running Waters: Historical development and restoration of lowland Danish streams. Sand-Jensen, K., Friberg, N. & Murphy, J. (eds.). National Environmental Research Institut: Aarhus Universitetsforlag, p. 139-147
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Streamlining of plant patches in streams
Sand-Jensen, Kaj & Pedersen, M. L., 2008, In: Freshwater Biology. 53, p. 714-726
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Stream-Lake Connectivity Is an Important Control of Fluvial CO₂ Concentrations and Emissions in Catchments
Sand-Jensen, Kaj, Riis, T., Kjær, Johan Emil & Martinsen, K. T., 2022, In: Earth and Space Science. 9, 12, 12 p., e2022EA002664.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Stream fishes and desirable fish stocks
Dieperink, C. & Sand-Jensen, Kaj, 2006, Running Waters: Historical development and restoration of lowland Danish streams. Sand-Jensen, K., Friberg, N. & Murphy, J. (eds.). National Environmental Research Institut: Aarhus Universitetsforlag, p. 93-104
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

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ID: 5792

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7487 downloads
Danmarks biodiversitets fremtid: de væsentligste udfordringer og højest prioriterede virkemidler
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
1658 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
1591 downloads
Hvordan påvirker temperaturen den bakterielle omsætning?
Research output: Contribution to journal › Journal article › Research › peer-review
Published