Kaj Sand-Jensen
Professor
Freshwater Biology
Universitetsparken 4
2100 København Ø
- 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. 209-298Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Patterns of night-time respiration in a dense phytoplankton community under a natural light regime
Markager, S. & Sand-Jensen, Kaj, 1989, In: Journal of Ecology. 77, p. 49-61Research output: Contribution to journal › Journal article › Research › peer-review
- Published
CO2 i Skandinaviens vandløb analyseret med maskinlæring
Martinsen, K. T. & Sand-Jensen, Kaj, 2022, In: Vand & Jord. 5, p. 207-210Research output: Contribution to journal › Journal article › Communication
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High rates and close diel coupling of primary production and ecosystem respiration in small, oligotrophic lakes
Martinsen, K. T., Andersen, M. R., Kragh, T. & Sand-Jensen, Kaj, Oct 2017, In: Aquatic Sciences. 79, 4, p. 995-1007 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Carbon dioxide fluxes of air-exposed sediments and desiccating ponds
Martinsen, K. T., Kragh, T. & Sand-Jensen, Kaj, 2019, In: Biogeochemistry. 144, 2, p. 165-180Research output: Contribution to journal › Journal article › Research › peer-review
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Predicting lake bathymetry from the topography of the surrounding terrain using deep learning
Martinsen, K. T., Sand-Jensen, Kaj & Selvan, Raghav, 2023, In: Limnology and Oceanography: Methods. 21, 10, p. 625-636Research output: Contribution to journal › Journal article › Research › peer-review
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Kulstofbalancer og CO2 afgasning i danske søer og vandløb
Martinsen, K. T., Sand-Jensen, Kaj & Kragh, T., 2020, In: Vand & Jord. 27, 1, p. 37-40Research output: Contribution to journal › Journal article › Communication
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Predicting water quality from geospatial lake, catchment, and buffer zone characteristics in temperate lowland lakes
Martinsen, K. T. & Sand-Jensen, Kaj, 2022, In: Science of the Total Environment. 851, 12 p., 158090.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Carbon Dioxide Partial Pressure and Emission Throughout the Scandinavian Stream Network
Martinsen, K. T., 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
- Published
Carbon dioxide efflux and ecosystem metabolism of small forest lakes
Martinsen, K. T., Kragh, T. & Sand-Jensen, Kaj, 2020, In: Aquatic Sciences. 82, 17 p., 9.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Water temperature dynamics and the prevalence of daytime stratification in small temperate shallow lakes
Martinsen, K. T., Andersen, M. R. & Sand-Jensen, Kaj, 2019, In: Hydrobiologia. 826, 1, p. 247-262Research 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, K. T., Kragh, T. & Sand-Jensen, Kaj, 2018, In: Biogeosciences. 15, 18, p. 5565-5573Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Wind drives fast changes of light climate in a large, shallow re-established lake
Martinsen, K. T., Kragh, T., Sand-Jensen, Kaj, Madsen-Østerbye, M., Kristensen, E. & Sø, Jonas Stage, 2022, In: Science of the Total Environment. 806, 3, 11 p., 151354.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Strømningsmønstre omkring planter i vandløb
Mebus, J. R., Sand-Jensen, Kaj & Sand Jespersen, T., 1994, In: Vand og Jord. 4, p. 172-176Research output: Contribution to journal › Journal article › Research
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Patterns of species number and abundance in macroalgal communities in coastal waters
Middelboe, A. L. & Sand-Jensen, Kaj, 2003, In: Hydrobiologia. 0, p. 1-11Research output: Contribution to journal › Journal article › Research › peer-review
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Spatial and interannual variations with depth in eelgrass populations
Middelboe, A. L., Sand-Jensen, Kaj & Krause-Jensen, D., 2003, In: Journal of Experimental Marine Biology and Ecology. 291, p. 1-15Research output: Contribution to journal › Journal article › Research › peer-review
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Havet er "grønt" året rundt
Middelboe, A. L. & Sand-Jensen, Kaj, 2006, In: Naturens Verden. 9, p. 32-37Research output: Contribution to journal › Journal article › Research
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Patterns of species number and abundance in macroalgal communities in coastal waters
Middelboe, A. L. & Sand-Jensen, Kaj, 2004, In: Hydrobiologia. 511, p. 173-183Research output: Contribution to journal › Journal article › Research › peer-review
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Interkalibrering af bundvegetationsundersøgelser
Middelboe, A. L., Krause-Jensen, D., Nielsen, K. & Sand-Jensen, Kaj, 1997, Faglig rapport fra DMU nr. 220. Silkeborg: National Environmental Research Institute, p. 36Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Patterns of Species Number and Abundance in Macroalgal Communities in Coastal Waters
Middelboe, A. L. & Sand-Jensen, Kaj, 2004, In: Hydrobiologia. 511, 1-3, p. 173-183Research output: Contribution to journal › Journal article › Research › peer-review
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Patterns of macroalgal distribution in the Kattegat-Baltic region
Middelboe, A. L., Sand-Jensen, Kaj & Brodersen, K. P., 1997, In: Phycologia. Volume 36 (3), p. 208-219Research output: Contribution to journal › Journal article › Research › peer-review
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Long-term changes in macroalgal communities in a Danish estuary
Middelboe, A. L. & Sand-Jensen, Kaj, 2000, In: Phycologia. 39 (3), p. 245-257Research output: Contribution to journal › Journal article › Research › peer-review
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Patterns of macroalgal species diversity in Danich estuaries
Middelboe, A. L., Sand-Jensen, Kaj & Krause-Jensen, D., 1998, In: Journal of Phycology. 34, p. 457-466Research output: Contribution to journal › Journal article › Research › peer-review
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Highly predictable photosynthetic production in natural macroalgal communities from incoming and absorbed light
Middelboe, A. L., Sand-Jensen, Kaj & Binzer, T., 2006, In: Oecologia. 150, 3, p. 464-76 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Øle Å-projektet - baggrund og indgrebet
Morsing, J., Sand-Jensen, Kaj, Båstrup-Spohr, Lars, Larsen, Jørgen Bo & Raulund-Rasmussen, Karsten, 2017, In: Natur på Bornholm. 15, p. 36-41 6 p.Research output: Contribution to journal › Journal article › Communication
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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
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Comparative growth and metabolism of gelatinous colonies of three cyanobacteria, Nostoc commune, Nostoc pruniforme and Nostoc zetterstedtii, at different temperatures
Møller, C. L., Vangsøe, M. T. & Sand-Jensen, Kaj, 2014, In: Freshwater Biology. 59, 10, p. 2183-2193 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Organic enrichment of sediments reduces arbuscular mycorrhizal fungi in oligotrophic lake plants
Møller, C. L., Kjøller, Rasmus & Sand-Jensen, Kaj, 2013, In: Freshwater Biology. 58, 4, p. 769-779 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Iron plaques improve the oxygen supply to root meristems of the freshwater plant, Lobelia dortmanna
Møller, C. L. & Sand-Jensen, Kaj, 2008, In: New Phytologist. 179, 3, p. 848-56 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Rapid oxygen exchange across the leaves of Littorella uniflora provides tolerance to sediment anoxia
Møller, C. L. & Sand-Jensen, Kaj, 2012, In: Freshwater Biology. 57, 9, p. 1875-1883 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Planterødders overlevelse i vanddækket bund
Møller, C. L. & Sand-Jensen, Kaj, 2008, In: URT. 2, p. 56-60Research output: Contribution to journal › Journal article › Research
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High sensitivity of Lobelia dortmanna to sediment oxygen depletion following organic enrichment
Møller, C. L. & Sand-Jensen, Kaj, 2011, In: New Phytologist. 190, 2, p. 320-31 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Fuglesamfund i spritnye og naturlige søer
Møller, M. J., Sand-Jensen, Kaj & Kragh, T., 2020, In: Vand & Jord. 27, 4, p. 161-165Research output: Contribution to journal › Journal article › Communication
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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. 16-22Research output: Contribution to journal › Journal article › Research › peer-review
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High rates of production and mortality of submerged Sparganium emersum Rehman during its short growth season in a Eutrophic Danish stream
Nielsen, L. W., Nielsen, K. & Sand-Jensen, Kaj, 1985, In: Aquatic Botany. 22, 3-4, p. 325-334Research output: Contribution to journal › Journal article › Research › peer-review
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Growth rates and morphological adaptations of aquatic and terrestrial forms of amphibious Littorella uniflora (L.) Aschers
Nielsen, S. L. & Sand-Jensen, Kaj, 1997, In: Plant Ecology. 129, p. 135-140Research output: Contribution to journal › Journal article › Research › peer-review
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Land plants of amphibious Littorella uniflora (L.) Aschers. maintain utilization of CO*U2 from the sediment
Nielsen, S. L., Gacia, E. & Sand-Jensen, Kaj, 1991, In: Oecologia. 88, p. 258-262Research output: Contribution to journal › Journal article › Research › peer-review
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Variation in growth rates of submerged rooted macrophytes
Nielsen, S. L. & Sand-Jensen, Kaj, 1991, In: Aquatic Botany. 39, p. 109-120Research output: Contribution to journal › Journal article › Research › peer-review
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Photosynthetic implications of heterophylly in Batrachium peltatum (Schrant) Presl
Nielsen, S. L. & Sand-Jensen, Kaj, 1993, In: Aquatic Botany. 44, p. 361-371Research output: Contribution to journal › Journal article › Research › peer-review
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Phytoplankton, Nutrients, and Transparency in Danish Coastal Waters
Nielsen, S. L., Sand-Jensen, Kaj, Borum, Jens & Geertz-Hansen, O., 2002, In: Estuaries and Coasts. 25, p. 930-937Research output: Contribution to journal › Journal article › Research › peer-review
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Allometric scaling of maximal photosynthetic growth rate to surface/volume ratio
Nielsen, S. & Sand-Jensen, Kaj, 1990, In: Limnology and Oceanography. 35, 1, p. 177-181Research output: Contribution to journal › Journal article › Research › peer-review
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Regulation of photosynthetic rates of submerged rooted macrophytes
Nielsen, S. L. & Sand-Jensen, Kaj, 1989, In: Oecologia. 81, p. 364-368Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Marine bundplanters dybdegrænse. (in Danish)
Nielsen, S. L., Borum, Jens, Geertz-Hansen, O. & Sand-Jensen, Kaj, 1989, In: Vand og miljø. 6, 5, p. 217-221Research output: Contribution to journal › Journal article › Research
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Depth Colonization of Eelgrass (Zostera marina) and Macroalgae as Determined by Water Transparency in Danish Coastal Waters
Nielsen, S. L., Sand-Jensen, Kaj, Borum, Jens & Geertz-Hansen, O., 2002, In: Estuaries and Coasts. 25, 5, p. 1025-1032Research output: Contribution to journal › Journal article › Research › peer-review
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Drier, darker and more fertile: 140 years of plant habitat change driven by land-use intensification
Nielsen, T. F., Sand-Jensen, Kaj & Bruun, Hans Henrik, 2021, In: Journal of Vegetation Science. 32, 4, 16 p., e13066.Research output: Contribution to journal › Journal article › Research › peer-review
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More is less: net gain in species richness, but biotic homogenization over 140 years
Nielsen, T. F., Sand-Jensen, Kaj, Dornelas, M. & Bruun, Hans Henrik, 2019, In: Ecology Letters. 22, 10, p. 1650-1657 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Light climate and metabolism of Nitella flexilis (L.) Ag. in the bottom water of oligotrophic Lake Grane Langsø, Denmark
Nygaard, G. & Sand-Jensen, Kaj, 1981, In: International Review of Hydrobiology. 66, p. 685-699Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Demography of shallow eelgrass (Zostera marina) populations - shoot dynamics and biomass development
Olesen, B. & Sand-Jensen, Kaj, 1994, In: Journal of Ecology. 82, p. 379-390Research output: Contribution to journal › Journal article › Research › peer-review
ID: 5792
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Danmarks biodiversitets fremtid: de væsentligste udfordringer og højest prioriterede virkemidler
Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
Published -
1655
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Langtidsbelastning af miljørealistiske koncentrationer af pesticider på bundsamfund i ferskvand: stofomsætning, vækst, dødelighed og samfundsstruktur hos planter og dyr - et mikrokosmosstudium
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1590
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Hvordan påvirker temperaturen den bakterielle omsætning?
Research output: Contribution to journal › Journal article › Research › peer-review
Published