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
Basisbog i Ferskvandsøkologi
Sand-Jensen, Kaj, Iversen, T. M. & Lindegaard, C., 1991, København: Gad. 63 p.
Research output: Book/Report › Book › Research
Published
Ålegræssets udbredelse
Sand-Jensen, Kaj, Pedersen, M. F. & Krause-Jensen, D., 1997, In: Vand og Jord. 5, p. 210-213
Research output: Contribution to journal › Journal article › Research
Published
Slow growth and decomposition of mosses in Arctic lakes
Sand-Jensen, Kaj, Riis, T., Markager, S. & Vincent, W. F., 1999, In: Can. J. Fish. Aquat. Sci.. 56, p. 388-393
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Den hjælmklædte dafnie og den bitre radise
Sand-Jensen, Kaj, 1999, In: Aktuel Naturvidenskab. 4, p. 19-21
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Et under, et mirakel og et dilemma: ferskvand gennem 30 år
Sand-Jensen, Kaj, Båstrup-Spohr, Lars, Iversen, L. L. & Kielgast, J., 2014, In: Vand & Jord. 21, 4, p. 150-159 10 p.
Research output: Contribution to journal › Journal article › Communication
Published
Eutrophication and plant communities in Lake Fure
Sand-Jensen, Kaj, 1997, Freshwater Biology. Priorities and development in Danish research. København: Gad, p. 26-38
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
Nye danske søer - design af optimal miljøtilstand og biodiversitet
Sand-Jensen, Kaj, Kragh, T., Borum, Jens, Båstrup-Spohr, Lars, Egemose, S., Jensen, H. S., Jeppesen, E., Reitzel, K. & Søndergaard, M., 2017, In: Vand & Jord. 24, 2, p. 65-69 5 p.
Research output: Contribution to journal › Journal article › Communication
Published
Broad-Scale Comparison of Photosynthesis in Terrestrial and Aquatic Plant Communities
Sand-Jensen, Kaj & Krause-Jensen, D., 1997, In: Oikos. 80, 1, p. 203-208
Research output: Contribution to journal › Journal article › Research › peer-review
Published
De strømmende vande
Sand-Jensen, Kaj & Friberg, N., 2000, København: Gad. 165 p.
Research output: Book/Report › Book › Education
Published
De andres viden
Sand-Jensen, Kaj & Kjaer, C. R., 2000, In: Aktuel Naturvidenskab. 3, p. 44-45
Research output: Contribution to journal › Review › Research
Published
Resuspension og stofomsætning i Roskilde Fjord
Sand-Jensen, Kaj, Borum, Jens & Geertz-Hansen, O., 1994, Havforskning fra Miljøstyrelsen nr. 51. p. 69
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
Østersøen - ung og fattig
Sand-Jensen, Kaj & Middelboe, A. L., 1999, In: Naturens Verden. 4, p. 2-14
Research output: Contribution to journal › Journal article › Research
Published
Freshwater Ecosystems, Human Impact on
Sand-Jensen, Kaj, 2024, Encyclopedia of Biodiversity, Third Edition: Volume 1-7. 3 ed. Elsevier, p. 617-635 19 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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
Positive interactions between moss cushions and vascular plant cover improve water economy on Öland's alvar, Sweden
Sand-Jensen, Kaj, Hammer, K. J., Madsen-Østerbye, M., Dencker, T. & Kragh, T., 2015, In: Botany. 93, 3, p. 141-150 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Furesøen gennem 100 år
Sand-Jensen, Kaj, 1995, In: Naturens Verden. 5, p. 176-188
Research output: Contribution to journal › Journal article › Research
Published
Decade-long time delays in nutrient and plant species dynamics during eutrophication and re-oligotrophication of Lake Fure 1900–2015
Sand-Jensen, Kaj, Bruun, Hans Henrik & Båstrup-Spohr, Lars, May 2017, In: Journal of Ecology. 105, 3, p. 690-700 11 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Caught between draught and flooding on Oland's Great Alvar
Sand-Jensen, Kaj, Båstrup-Spohr, Lars, Andersen, M. R., Christensen, J. P. A., Alnoee, A. B., Jespersen, T. S., Riis, T. & Bruun, Hans Henrik, 2015, In: Svensk Botanisk Tidskrift. 109, 1, 8 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ferskvandsbiologisk Laboratorium gennem 100 år
Sand-Jensen, Kaj, 1997, Carlsbergfondets Årsskrift. København: Winther Grafik, p. 34-41
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
Planter i vandløb. Smukke, men værdifulde og efterstræbte
Sand-Jensen, Kaj & Madsen, T. V., 1997, In: Vand og Jord. 6, p. 232-243
Research output: Contribution to journal › Journal article › Research
Published
Fiskeskæl fra 1930 fik vildlaksen tilbage i Skjern Å
Sand-Jensen, Kaj & Schou, J. C., 27 Jan 2020, In: Vejle Amts Folkeblad.
Research output: Contribution to journal › Contribution to newspaper - Comment/debate › Communication
Published
Kransnålalger: fascinerer og udfordrer
Sand-Jensen, Kaj, Schou, J. C., Moeslund, B. & Båstrup-Spohr, Lars, 2018, In: URT. 42, 4, p. 24-29 6 p.
Research output: Contribution to journal › Journal article › Communication
Published
Nye bøger om vandløbsøkologi
Sand-Jensen, Kaj, 1995, In: Vand og Jord. 2, p. 89
Research output: Contribution to journal › Journal article › Research
Published
Vådområder bidrager markant til CO2-udledningen
Sand-Jensen, Kaj, Martinsen, K. T. & Borum, Jens, 12 Jun 2020, In: Ingeniøren.
Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication
Published
Rekonstruktion af planters udviklingshistorie - benspænd forvandledes til frugtbart forskningsemne
Sand-Jensen, Kaj, 2016, In: Vand & Jord. 23, 1, p. 4-9 6 p.
Research output: Contribution to journal › Journal article › Communication
Published
Size dependence of composition, photosynthesis and growth in the colony-forming freshwater ciliate, Ophrydium versatile
Sand-Jensen, Kaj, Geertz-Hansen, O., Pedersen, Ole & Skovgaard, H., 1994, In: Freshwater Biology. 31, 2, p. 121-130 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Kinetics of light utilization and metabolism in the freshwater symbiont Ophrydium versatile
Sand-Jensen, Kaj, Pedersen, Ole & Geertz-Hansen, O., 1997, In: Limnology and Oceanography.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Store huller i vores CO₂-viden
Sand-Jensen, Kaj, Stæhr, P. A. & Baatrup-Spohr, L., 2009, In: Aktuel Naturvidenskab. 2, p. 20-23 4 p.
Research output: Contribution to journal › Journal article › Research
Published
Photosynthetic use of inorganic carbon among primary and secondary water plants in streams
Sand-Jensen, Kaj, Pedersen, M. F. & Nielsen, S. L., 1992, In: Freshwat. Biol.. 27, p. 283-293
Research output: Contribution to journal › Journal article › Research › peer-review
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
Forskningstraditioner i ferskvand og på landjorden
Sand-Jensen, Kaj & Bruun, Hans Henrik, 2013, In: Vand & Jord. 20, 3, p. 125-131 7 p.
Research output: Contribution to journal › Journal article › Communication
Published
Gode lærebøger er sjældne arter
Sand-Jensen, Kaj, 1994, In: Hovedområdet. Nr 1
Research output: Contribution to journal › Journal article › Research
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
Et skønmaleri - landbruget og kvælstofforureningen
Sand-Jensen, Kaj, 2000, In: Aktuel Naturvidenskab. 6, p. 34-35
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Videnskabelighed, femten portrætter
Sand-Jensen, Kaj, 2001, In: Aktuel Naturvidenskab. 3, p. 45
Research output: Contribution to journal › Review › Research
Published
Kurvblomstfamilien: vi er mest til åbne vidder
Sand-Jensen, Kaj & Schou, J. C., 2021, In: URT. 1, p. 8-13 6 p.
Research output: Contribution to journal › Journal article › Communication
Published
Star-kvaliteter
Sand-Jensen, Kaj & Schou, J. C., 2019, In: URT. 43, 2, p. 8-15
Research output: Contribution to journal › Journal article › Communication
Published
Kalkudfældning, fotosyntese og fosforbinding hos kransnålalger i småsøer
Sand-Jensen, Kaj, Andersen, M., Kragh, T., Kristensen, E. & Martinsen, K. T., 2018, In: Vand & Jord. 25, 3, p. 101-104
Research output: Contribution to journal › Journal article › Communication
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

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ID: 5792

Most downloads

7471 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