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
Growth rates and photon yield of growth in natural populations of a marine macroalga Ulva lactuca
Geertz-Hansen, O. & Sand-Jensen, Kaj, 1992, In: Mar. Ecol. Prog.. Ser. 81, p. 179-183
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Growth and grazing control of abundance of the marine macroalga, Ulva lactuca L. in a eutrophic Danish estuary
Geertz-Hansen, O., Sand-Jensen, Kaj, Hansen, D. F. & Christiansen, A., 1993, In: Aguat. Bot.. 46, p. 101-109
Research output: Contribution to journal › Journal article › Research › peer-review
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
Naturens tilstand i Danmark: Vidensbaseret debatdag den 13. april 2010 Indledende oplæg og diskussion
Geldmann, Jonas, Harder, Christoffer Bugge (ed.), Rahbek, Carsten (ed.), Harder, Peter (ed.) & Sand-Jensen, Kaj (ed.), 2010, Det Kongelige Danske Videnskabers Selskab. 42 p.
Research output: Book/Report › Report › Commissioned
Published
Effects of CO2, pH and DIC on photosynthetic net-O2 evolution by marine macroalgae
Gordon, D. M. & Sand-Jensen, Kaj, 1990, In: Marine Biology. 106, p. 445-451
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Inorganic carbon promotes photosynthesis, growth, and maximum biomass of phytoplankton in eutrophic water bodies
Hammer, K. J., Kragh, T. & Sand-Jensen, Kaj, 2019, In: Freshwater Biology. 64, 11, p. 1956-1970 15 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
High temperatures cause reduced growth, plant death and metabolic changes in eelgrass Zostera marina
Hammer, K. J., Borum, Jens, Hasler-Sheetal, H., Shields, E. C., Sand-Jensen, Kaj & Moore, K. A., 2018, In: Marine Ecology Progress Series. 604, p. 121-132
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Kvalitet og styring i fremtidens universiteter - Ejerskab, ledelseskultur og de faktiske følger af universitetsloven: Forskningspolitisk årsmøde 2009
Harder, Peter, Bache, C., Flensted-Jensen, M., Koch, Lene, Olesen, Søren-Peter & Sand-Jensen, Kaj, 2009, 78 p. Det Kongelige Danske Videnskabernes Selskab.
Research output: Other contribution › Communication
Published
Forskning skal ikke gøre ledelsen glad
Harder, Peter, Bache, C., Flensted-Jensen, M., Koch, Lene, Olesen, Søren-Peter & Sand-Jensen, Kaj, 11 Feb 2009, In: Universitetsavisen.
Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
Published
Bureaukrati, Bogholderi og Bullshit
Harder, Peter, Bache, C., Flensted-Jensen, M., Koch, Lene, Olesen, Søren-Peter & Sand-Jensen, Kaj, 30 Oct 2009, In: Weekendavisen.
Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
Published
Debat: Kommentar: Kronikken: Bureaukrati, bogholderi, bullshit
Harder, P., Bache, C., Flensted-Jensen, M., Sand-Jensen, Kaj & Olesen, S., 23 Jan 2009, In: Weekendavisen. p. 12
Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication
Published
Size-dependent nitrogen uptake in micro- and macroalgae
Hein, M., Pedersen, M. F. & Sand-Jensen, Kaj, 1995, In: Marine Ecology - Progress Series. 118, p. 247-253
Research output: Contribution to journal › Journal article › Research › peer-review
Published
CO₂ increases oceanic primary production
Hein, M. & Sand-Jensen, Kaj, 1997, In: Nature. 388, p. 526-527
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Acclimation of photosynthesis to supersaturated CO₂ in aquatic plant bicarbonate users
Hussner, A., Mettler-Altmann, T., Weber, A. P. M. & Sand-Jensen, Kaj, 2016, In: Freshwater Biology. 61, 10, p. 1720-1732 13 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Catchment properties and the photosynthetic trait composition of freshwater plant communities
Iversen, L. L., Winkel, A., Baastrup-Spohr, L., Hinke, A. B., Alahuhta, J., Baattrup-Pedersen, A., Birk, S., Brodersen, P., Chambers, P. A., Ecke, F., Feldmann, T., Gebler, D., Heino, J., Jespersen, T. S., Moe, S. J., Riis, T., Sass, L., Vestergaard, O., Maberly, S. C., Sand-jensen, K. & 1 others, Pedersen, Ole, 2019, In: Science. 366, 6467, p. 878-881 4 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Monitoring of animal abundance by environmental DNA - An increasingly obscure perspective: a reply to Klymus et al., 2015
Iversen, L. L., Kielgast, J. & Sand-Jensen, Kaj, 2015, In: Biological Conservation. 192, p. 479-480 2 p.
Research output: Contribution to journal › Comment/debate › Research › peer-review
Published
Variable history of land use reduces the relationship to specific habitat requirements of a threatened aquatic insect
Iversen, Lars Lønsmann, Rannap, R., Briggs, L. & Sand-Jensen, Kaj, 2016, In: Population Ecology. 58, 1, p. 155-164 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Are latitudinal richness gradients in European freshwater species only structured according to dispersal and time?
Iversen, Lars Lønsmann, Jacobsen, Dean & Sand-Jensen, Kaj, 2016, In: Ecography. 39, 12, p. 1247-1249 3 p.
Research output: Contribution to journal › Letter › Research › peer-review
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
How do low dispersal species establish large range sizes? The case of the water beetle Graphoderus bilineatus
Iversen, Lars Lønsmann, Rannap, R., Thomsen, P. F., Kielgast, J. & Sand-Jensen, Kaj, Jul 2013, In: Ecography. 36, 7, p. 770-777 8 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Sexual conflict and intrasexual polymorphism promote assortative mating and halt population differentiation
Iversen, Lars Lønsmann, Svensson, E. I., Christensen, S. T., Bergsten, J. & Sand-Jensen, Kaj, 2019, In: Proceedings of the Royal Society B: Biological Sciences. 286, 1899, 8 p., 2019.0251.
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
Published
Invertebrate herbivory on the submerged macrophyte Potamogeton perfoliatus in a Danish stream
Jacobsen, Dean & Sand-Jensen, Kaj, Feb 1994, In: Freshwater Biology. 31, 1, p. 43-52 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Variability of invertebrate herbivory on the submerged macrophyte Potamogeton perfoliatus
Jacobsen, Dean & Sand-Jensen, Kaj, Oct 1995, In: Freshwater Biology. 34, 2, p. 357-365 9 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Variability of invertebrate herbivory on the submerged macrophyte Potamogeton perfoliatus
Jacobsen, Dean & Sand-Jensen, Kaj, 1995, In: Freshwater Biol.. 34, p. 357-365
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Herbivory of invertebrates on submerged macrophytes from Danish freshwaters
Jacobsen, Dean & Sand-Jensen, Kaj, 1992, In: Freshwat. Biol.. 28, p. 301-308
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Growth and energetics of a trichopteran larva feeding on fresh submerged and terrestrial plants
Jacobsen, Dean & Sand-Jensen, Kaj, 1994, In: Oecologia. 97, p. 412-418 7 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Langtidsbelastning af miljørealistiske koncentrationer af pesticider på bundsamfund i ferskvand: stofomsætning, vækst, dødelighed og samfundsstruktur hos planter og dyr - et mikrokosmosstudium
Jacobsen, Dean & Sand-Jensen, Kaj, 2015, Miljøstyrelsen. 65 p. (Bekæmpelsesmiddelforskning fra Miljøstyrelsen; No. 158).
Research output: Book/Report › Report › Research
Published
Vandplanter som føde
Jacobsen, Dean & Sand-Jensen, Kaj, 1991, In: Vand og miljø. 8, p. 407-409
Research output: Contribution to journal › Journal article › Research
Published
Invertebrate herbivory on the submerged macrophyte Potamogeton perfoliatus in a Danish stream
Jacobsen, Dean & Sand-Jensen, Kaj, 1994, In: Freshwater Biology. 31, p. 43-52
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Marine områder 1996. Fjorde, kyster og åbent hav. Vandmiljøplanens Overvågningsprogram 1996
Jensen, J. N., Ærtebjerg, G., Rasmussen, B., Dahl, K., Levinson, H., Lisbjerg, D., Nielsen, T. G., Krause-Jensen, D., Middelboe, A. L., Svendsen, L. M. & Sand-Jensen, Kaj, 1997, Faglig rapport fra DMU nr.213. Hvidovre: National Environmental Research Institute, p. 124
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Biomass and oxygen dynamics in the epiphyte community in a Danish lowland stream
Sand-Jensen, Kaj, Borg, D. & Jeppesen, E., 1989, In: Freshwater Forum. 22, p. 431-443
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
Integrerede løsninger for natur og miljø
Sand-Jensen, Kaj, 2008, In: URT. 3, p. 100-101
Research output: Contribution to journal › Journal article › Research
Published
Eutrofieringseffekter i danske vandområder: En sammenligning mellem vandløb, søer og kystområder
Sand-Jensen, Kaj & Nielsen, G. Æ., 1987, Kvælstof og fosfor i vandmiljøet. Rapport fra Konsensuskonference. Planlægningsrådet for Forskningen, p. 41-48
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Drag forces of common plant species in temperate streams: consequences of morphology, velocity and biomass.
Sand-Jensen, Kaj, 2008, In: Hydrobiologia. 610, 1, p. 307-319 13 p.
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
Published
Photosynthesis and light adaptation in epiphyte-macrophyte associations measured by oxygen microelectrodes
Sand-Jensen, Kaj & Revsbech, N. P., 1987, In: Limnology and Oceanography. 32, p. 452-457
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
Samarbejde i et kugleunivers
Sand-Jensen, Kaj, Borum, Jens, Raun, A. L., Lett, S. & Hinke, A., 2009, In: Aktuel Naturvidenskab. 6, p. 16-19
Research output: Contribution to journal › Journal article › Research
Published
Natursyn og Naturkamp
Sand-Jensen, Kaj, 2009, In: URT. 33, p. 129-131
Research output: Contribution to journal › Journal article › Communication
Published
Naturen i Danmark: De ferske vande
Sand-Jensen, Kaj (ed.), 2013, København: Gyldendal. 504 p.
Research output: Book/Report › Book › Communication
Published
Minimum light requirements for growth in Ulva lactuca at very low light
Sand-Jensen, Kaj, 1988, In: Marine Ecology - Progress Series. 50, p. 187-193
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Scaling of photosynthetic production of aquatic macrophytes - a review.
Sand-Jensen, Kaj, 2007, In: Oikos. 116, 1, p. 280-294
Research output: Contribution to journal › Journal article › Research › peer-review
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
Published
Damme
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 409-435 27 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

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ID: 5792

Most downloads

7465 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