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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1 - 50 out of 494Page size: 50

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Published
100 years of vegetation decline and recovery in Lake Fure, Denmark.
Sand-Jensen, Kaj, Pedersen, N. L., Thorsgaard, I., Moeslund, B., Borum, Jens & Brodersen, K. P., 2008, In: Journal of Ecology. 96, p. 260-271
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Lobelia - en vedvarende fascination
Sand-Jensen, Kaj, 1995, In: Vand og Jord. 3, p. 114, 129
Research output: Contribution to journal › Journal article › Research
Published
Forureningens spor udviskes i Furesøen.
Sand-Jensen, Kaj, Thorsgaard, I., Pedersen, N. L., Moeslund, B. & Borum, Jens, 2007, In: Naturens Verden. 5, p. 28-37
Research output: Contribution to journal › Journal article › Research
Published
How to write consistently boring scientific literature.
Sand-Jensen, Kaj, 2007, In: Oikos. 116, p. 723-727
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ny natur på vej.
Sand-Jensen, Kaj, 2007, In: URT. 31, p. 104-105
Research output: Contribution to journal › Journal article › Communication
Published
Rariteter: Hvorfor drages vi af det sjældne.
Sand-Jensen, Kaj, 2007, In: URT. 2, p. 62-63
Research output: Contribution to journal › Journal article › Communication
Published
Scaling of pelagic metabolism to size, trophy and forest cover in small Danish lakes.
Sand-Jensen, Kaj, 2007, In: Ecosystems. 10, p. 127-141
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
Skattejagt i baghaven.
Sand-Jensen, Kaj, 2007, In: URT. 31, p. 144-145
Research output: Contribution to journal › Journal article › Communication
Published
Temperature in lowland streams: contemporary patterns, empirical models and future scenarios.
Sand-Jensen, Kaj, 2007, In: Hydrological Processes. 21, 3, p. 348-358
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Vægtvogterne
Sand-Jensen, Kaj, 2007, In: Aktuel Naturvidenskab. 5, p. 38
Research output: Contribution to journal › Journal article › Communication
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
A continuous-flow system for measuring in vitro oxygen and nitrogen metabolism in separated stream communities
Prahl, C., Jeppesen, E., Sand-Jensen, Kaj & Moth-Iversen, T., 1991, In: Freshwater Biology. 26, 3, p. 495-506
Research output: Contribution to journal › Journal article › Research › peer-review
Published
A simple and cost-efficient automated floating chamber for continuous measurements of carbon dioxide gas flux on lakes
Martinsen, Kenneth Thorø, Kragh, T. & Sand-Jensen, Kaj, 2018, In: Biogeosciences. 15, 18, p. 5565-5573
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Abundance-range size relationships in stream vegetation in Denmark
Riis, T. & Sand-Jensen, Kaj, 2002, In: Plant Ecology. 161, 2, p. 175-183
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
Active accumulation of internal DIC pools reduces transport limitation in large colonies of Nostoc pruniforme
Raun, A. L., Borum, Jens & Sand-Jensen, Kaj, 2009, In: Aquatic Biology. 5, 1, p. 23-29
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Adaptation and growth performance of four endangered amphibious freshwater species
Mørk, O., Kragh, T., Kristensen, E. & Sand-Jensen, Kaj, 2018, In: Aquatic Botany. 150, p. 16-22
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Adaptations among aquatic plants in Scandinavian Lobelia lakes
Sand-Jensen, Kaj, 2009, In: Svensk Botanisk Tidskrift. 103, 3-4, p. 174-182 9 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Adaptations of submerged Lobelia dortmanna to aerial life form: morphology, carbon sources and oxygen dynamics
Pedersen, Ole & Sand-Jensen, Kaj, 1992, In: Oikos. 65, 1, p. 89-96 8 p.
Research output: Contribution to journal › Journal article › Research › peer-review
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
Allometric scaling of maximal photosynthetic growth rate to surface/volume ratio
Nielsen, S. & Sand-Jensen, Kaj, 1990, In: Limnology and Oceanography. 35, 1, p. 177-181
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Alvarplanter mellem ild og vand
Sand-Jensen, Kaj, 2008, In: URT. 4, p. 137-138
Research output: Contribution to journal › Journal article › Research
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
Aquatic plants
Madsen, T. V. & 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. 67-74
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
Aquatic plants are open flexible structures - a reply to Sukhodolov
Sand-Jensen, Kaj, 2005, In: Freshwater Biology. 50, 1, p. 196-198
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
Artsdiversitet af makroalger
Sand-Jensen, Kaj, Middelboe, A. L., Krause-Jensen, D., Nielsen, K. & Christensen, P. B., 1997, In: Vand og Jord. 4, p. 138-141
Research output: Contribution to journal › Journal article › Research
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
Bakterier løfter i flok
Sand-Jensen, Kaj, 1999, In: Aktuel Naturvidenskab. 2, p. 26-27
Research output: Contribution to journal › Journal article › Research
Published
Balancen mellem autotrofe komponenter i tempererede søer med forskellig næringsbelastning
Sand-Jensen, Kaj, 1980, In: Vatten. 36, p. 104-115
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Basisbog i Ferskvandsøkologi
Sand-Jensen, Kaj, Iversen, T. M. & Lindegaard, C., 1991, København: Gad. 63 p.
Research output: Book/Report › Book › Research
Published
Bedre og billigere teknologi til studier af klimagasser
Sand-Jensen, Kaj, Martinsen, Kenneth Thorø & Kragh, T., 2018, In: Vand & Jord. 25, 2, p. 70-73
Research output: Contribution to journal › Journal article › Communication
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
Biodiversitet i ferskvand
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 439-458 20 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Biologer: Sådan sikrer vi biodiversiteten ved vådlægning af lavbundsjorde
Bruun, Hans Henrik & Sand-Jensen, Kaj, 8 Mar 2022, In: Altinget.
Research output: Contribution to journal › Contribution to newspaper - Comment/debate › Communication
Published
Biologiske samspil i søer
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 391-397 7 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
Published
Biologiske samspil i vandløb
Sand-Jensen, Kaj, 2013, Naturen i Danmark: De ferske vande. Sand-Jensen, K. (ed.). København: Gyldendal, Vol. 5. p. 219-230 12 p.
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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
Biomass regulation of microbenthic algae in Danish lowland streams
Sand-Jensen, Kaj, Møller, J. & Olesen, B. H., 1988, In: Oikos. 53, 3, p. 332-340
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
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
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
Budget shock hits Danish universities
Sand-Jensen, Kaj, 1999, In: Nature. 398, p. 365
Research output: Contribution to journal › Journal article › Research › peer-review
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
CO2 i Skandinaviens vandløb analyseret med maskinlæring
Martinsen, Kenneth Thorø & Sand-Jensen, Kaj, 2022, In: Vand & Jord. 5, p. 207-210
Research output: Contribution to journal › Journal article › Communication
Published
CO2-kollaps. Børnene truer klodens klima
Sand-Jensen, Kaj, 1 Aug 2009, In: Politiken. p. 4
Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication
Published
CO₂ dynamics along Danish lowland streams: water-air gradients, piston velocities and evasion rates
Sand-Jensen, Kaj & Stæhr, P. A., 2012, In: Biogeochemistry. 111, 1-3, p. 615-628 14 p.
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
Carbon Dioxide Partial Pressure and Emission Throughout the Scandinavian Stream Network
Martinsen, Kenneth Thorø, Kragh, T. & Sand-Jensen, Kaj, 2020, In: Global Biogeochemical Cycles. 34, 12, 14 p., e2020GB006703.
Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 5792

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7447 downloads
Danmarks biodiversitets fremtid: de væsentligste udfordringer og højest prioriterede virkemidler
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published
1649 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