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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101 - 150 out of 495Page size: 50

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Published
Ecology of submersed aquatic macrophytes
Adams, M. S. & Sand-Jensen, Kaj, 1991, In: Aqua. Bot.. 41, Special issue, p. 1-261
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ecophysiology of gelatinous Nostoc colonies: unprecedented slow growth and survival in resource-poor and harsh environments
Sand-Jensen, Kaj, 2014, In: Annals of Botany. 114, 1, p. 17-33 17 p.
Research output: Contribution to journal › Review › Research › peer-review
Published
Ecosystem Metabolism and Gradients of Temperature, Oxygen and Dissolved Inorganic Carbon in the Littoral Zone of a Macrophyte-Dominated Lake
Martinsen, K. T., Zak, N. B., Båstrup-Spohr, Lars, Kragh, T. & Sand-Jensen, Kaj, 2022, In: Journal of Geophysical Research: Biogeosciences. 127, 12, 15 p., e2022JG007193.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ecosystem metabolism in a temporary Mediterranean marsh (Donana National Park, SW Spain)
Geertz-Hansen, O., Montes, C., Duarte, C. M., Sand-Jensen, Kaj, Marba, N. & Grillas, P., 2011, In: Biogeosciences. 8, 4, p. 963-971 9 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Eelgrass, Zostera marina, growth along depth gradients: upper boundaries of the variation as a powerful predictive tool
Krause-Jensen, D., Middelboe, A. L., Sand-Jensen, Kaj & Christensen, P. B., 2000, In: Oikos. 91(2), p. 233-244
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Eet kalkbrott på Ölands alvar - en stenøken med knivskarpe miljögränser.
Sand-Jensen, Kaj, Båstrup-Spohr, Lars, Winkel, A., Møller, C. L., Borum, Jens, Brodersen, K. P., Lindell, T. & Stæhr, P. A., 2010, In: Svensk Botanisk Tidskrift. 104, 1, p. 23-31
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
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
Published
Environmental control of bicarbonate use among freshwater and marine macrophyes
Sand-Jensen, Kaj, 1987, Ecology and physiology of intertidal plants. Crawford, R. (ed.). Blackwell Publishing, p. 99-112
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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
Environmental predictors of lake fish diversity across gradients in lake age and spatial scale
Martinsen, K. T., Kristensen, E., Båstrup-Spohr, Lars, Søndergaard, M., Carl, Henrik, Jeppesen, E., Sand-Jensen, Kaj & Kragh, T., 2023, In: Freshwater Biology. 68, 7, 14 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Environmental variables and their effect on photosynthesis of aquatic plant communities
Sand-Jensen, Kaj, 1989, In: Aquatic Botany. 34, p. 5-25
Research output: Contribution to journal › Journal article › Research › peer-review
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
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
Essay: Fra Peder Kylling til Eugenius Warming
Sand-Jensen, Kaj, 2006, In: URT. 30, p. 98-99
Research output: Contribution to journal › Journal article › Research
Published
Essay: Hvorfor skrev man det ikke ned?
Sand-Jensen, Kaj, 2005, In: URT. 29, p. 96-97
Research output: Contribution to journal › Journal article › Research
Published
Essay: Man modtager ikke åbenbaringer - om plantesamfund
Sand-Jensen, Kaj, 2005, In: URT. 29, p. 55-56
Research output: Contribution to journal › Journal article › Research
Published
Essay: Med ridder-gøgeurt, flueblomst og Jesus på Øland
Sand-Jensen, Kaj, 2005, In: URT. 29, p. 15
Research output: Contribution to journal › Journal article › Research
Published
Essay: Ny biologi i ny natur
Sand-Jensen, Kaj, 2005, In: URT. 29, p. 130-131
Research output: Contribution to journal › Journal article › Research
Published
Estuarine primary producers
Sand-Jensen, Kaj & Nielsen, S. L., 2005, Estuarine Nutrient Cycling: The Influence of Primary Producers. The Netherlands: Kluwer Academic Publishers, p. 17-57
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Et encellet dyr med egen urtehave
Sand-Jensen, Kaj, Geertz-Hansen, O. & Pedersen, O., 1991, In: Naturens Verden. 11-12, p. 432-439
Research output: Contribution to journal › Journal article › 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
Et slag for naturvidenskabelig metode
Sand-Jensen, Kaj, 2006, In: Aktuel Naturvidenskab. 1, p. 30-33
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
Eugenius Warming Prisen i dansk botanik
Sand-Jensen, Kaj, 2009, In: URT. 33, p. 92-93
Research output: Contribution to journal › Journal article › Communication
Published
Eutrofiering - effekter på marine primærproducenter: NPO-forskning fra Miljøstyrelsen
Borum, Jens, Geertz-Hansen, O., Sand-Jensen, Kaj & Wium-Andersen, S., 1990, København: Miljøstyrelsen. (NPO-forskning fra Miljøstyrelsen).
Research output: Book/Report › Book › Research
Published
Eutrofiering og klimaforandring er en giftig cocktail for ålegræs
Raun, A. L., Sand-Jensen, Kaj & Borum, Jens, 2013, In: Vand & Jord. 20, 1, p. 22-25 4 p.
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
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
Eutrophication: Effects on marine plant communities
Borum, Jens, Geertz-Hansen, O., Sand-Jensen, Kaj & Wium-Andersen, S., 1991, Nitrogen and phosphorus in fresh and marine waters. The N, P and organic matter research programme. p. 41-54
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
Extreme diel dissolved oxygen and carbon cycles in shallow vegetated lakes
Andersen, M. R., Kragh, T. & Sand-Jensen, Kaj, 2017, In: Proceedings of the Royal Society B: Biological Sciences. 284, 1862, 9 p., 20171427.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Faren ved at være en lille nøjsom plante
Sand-Jensen, Kaj, Schou, J. C., Moeslund, B., Bruun, Hans Henrik & Båstrup-Spohr, Lars, 2018, In: Aktuel Naturvidenskab. 4, p. 20-25 6 p.
Research output: Contribution to journal › Journal article › Communication
Published
Fast phosphorus loss by sediment resuspension in a re-established shallow lake on former agricultural fields
Kragh, T., Sand-Jensen, Kaj, Petersen, K. & Kristensen, E., Nov 2017, In: Ecological Engineering. 108, Part A, p. 2-9 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
Ferskvandsøkologi
Sand-Jensen, Kaj & Lindegaard, C., 2004, København: Gyldendal. 312 p.
Research output: Book/Report › Book › Education
Published
Filsø - artsrigdommen stiger fortsat
Sand-Jensen, Kaj, Kragh, T., Båstrup-Spohr, Lars, Holm, P., Kristensen, E., Rye Larsen, J., Schou, J. C., Aaby, B. & Moeslund, B., 2017, In: URT. 4, p. 22-27 6 p.
Research output: Contribution to journal › Journal article › Research
Published
Fingerprinting pike: the use of image recognition to identify individual pikes
Kristensen, E., Sand-Jensen, Kaj, Martinsen, K. T., Madsen-Østerbye, M. & Kragh, T., 2020, In: Fisheries Research. 229, 8 p., 105622.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Fisk i nye søer
Kristensen, E., Sand-Jensen, Kaj, Kragh, T., Martinsen, K. T., Båstrup-Spohr, Lars, Søndergaard, M. & Jeppesen, E., 2020, In: Vand & Jord. 27, 4, p. 156-160
Research output: Contribution to journal › Journal article › Communication
Published
Fiskeskæl fra 1930 fik laksen tilbage i Skjern Å
Sand-Jensen, Kaj & Schou, J. C., 19 Jan 2020, In: Avisen Danmark. 1 p.
Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication
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
Five decades of dramatic changes in submerged vegetation in Lake Constance
Murphy, F., Schmieder, K., Båstrup-Spohr, Lars, Pedersen, Ole & Sand-Jensen, Kaj, 2018, In: Aquatic Botany. 144, p. 31-37 7 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Flora eller fauna
Sand-Jensen, Kaj, 2012, In: URT. 36, 3, p. 104-105 2 p.
Research output: Contribution to journal › Journal article › Communication
Published
Floristik versus økologi: da floristikeren Johan Lange satte økologen Eugen Warming grundit på plads
Sand-Jensen, Kaj & Schou, J. C., 2019, In: URT. 43, 2, p. 26-27
Research output: Contribution to journal › Journal article › Communication
Published
Fluctuating water levels control water chemistry and metabolism of a charophyte-dominated pond
Christensen, J. P. A., Sand-Jensen, Kaj & Stæhr, P. A., 2013, In: Freshwater Biology. 58, 7, p. 1353-1365 13 p.
Research output: Contribution to journal › Journal article › Research › peer-review
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
Forskere: landbrugspakken kommer til at koste mere natur, end vi tror
Bruun, Hans Henrik, Sand-Jensen, Kaj & Borum, Jens, 25 Feb 2016, In: Altinget Miljø.
Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
Published
Forskere eller videnskabsmænd - om idealer i forskningsverdenen
Sand-Jensen, Kaj, 2001, In: Aktuel Naturvidenskab. 2, p. 38-40
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Forskeren i samfundet: Forskningspolitisk årsmøde 2008
Kærgård, Niels, Harder, Peter, Bache, C., Flensted-Jensen, M., Koch, Lene, Olesen, Søren-Peter & Sand-Jensen, Kaj, 2008, Det Kongelige Danske Videnskabernes Selskab. 42 p.
Research output: Book/Report › Book › 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

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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
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Hvordan påvirker temperaturen den bakterielle omsætning?
Research output: Contribution to journal › Journal article › Research › peer-review
Published