Kaj Sand-Jensen
Professor
Freshwater Biology
Universitetsparken 4
2100 København Ø
- 2024
- Published
Hourly methane and carbon dioxide fluxes from temperate ponds
Sø, Jonas Stage, Martinsen, Kenneth Thorø, Kragh, T. & Sand-Jensen, Kaj, 2024, In: Biogeochemistry. 167, p. 177-195 19 p.Research output: Contribution to journal › Journal article › peer-review
- Published
Water quality in a shallow eutrophic lake is unaffected by extensive thinning of planktivorous and benthivorous fish species
Polauke, E., Sø, Jonas Stage, Carl, Henrik, Møller, Peter Rask, Reitzel, K., Sand-Jensen, Kaj & Kragh, T., 2024, In: Journal of Environmental Management. 356Research output: Contribution to journal › Journal article › peer-review
- 2023
- Published
Nyt udstyr måler tabene af metan og CO2 fra søer
Sø, Jonas Stage, Sand-Jensen, Kaj, Martinsen, Kenneth Thorø & Kragh, T., 25 May 2023, Videnskab.dk.Research output: Other contribution › Net publication - Internet publication › Communication
- Published
Environmental predictors of lake fish diversity across gradients in lake age and spatial scale
Martinsen, Kenneth Thorø, 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 › peer-review
- Published
Methane and carbon dioxide fluxes at high spatiotemporal resolution from a small temperate lake
Sø, Jonas Stage, Sand-Jensen, Kaj, Martinsen, Kenneth Thorø, Polauke, E., Kjær, Johan Emil, Reitzel, K. & Kragh, T., 2023, In: Science of the Total Environment. 878, 11 p., 162895.Research output: Contribution to journal › Journal article › peer-review
- Published
Predicting lake bathymetry from the topography of the surrounding terrain using deep learning
Martinsen, Kenneth Thorø, Sand-Jensen, Kaj & Selvan, Raghav, 2023, In: Limnology and Oceanography: Methods. 21, 10, p. 625-636Research output: Contribution to journal › Journal article › peer-review
- 2022
- 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
- Published
CO2 i Skandinaviens vandløb analyseret med maskinlæring
Martinsen, Kenneth Thorø & Sand-Jensen, Kaj, 2022, In: Vand & Jord. 5, p. 207-210Research output: Contribution to journal › Journal article
- Published
Danmarks Biodiversitet: før, nu og I morgen
Sand-Jensen, Kaj & Schou, J. C., 2022, 1 ed. København: Gad. 240 p.Research output: Book/Report › Book
- Published
Ecosystem Metabolism and Gradients of Temperature, Oxygen and Dissolved Inorganic Carbon in the Littoral Zone of a Macrophyte-Dominated Lake
Martinsen, Kenneth Thorø, 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 › peer-review
- Published
Environmental drivers and sources of stream oxygen consumption in an agricultural lake catchment
Sø, Jonas Stage, Kragh, T., Sand-Jensen, Kaj & Martinsen, Kenneth Thorø, 2022, In: Ecological Engineering. 176, 11 p., 106516.Research output: Contribution to journal › Journal article › peer-review
- Published
Intelligente computersystemer i økologien
Sand-Jensen, Kaj, Martinsen, Kenneth Thorø & Kragh, T., 2022, In: Aktuel Naturvidenskab. 5, p. 16-19Research output: Contribution to journal › Journal article
- Published
Photosynthesis, growth, and distribution of plants in lowland streams — A synthesis and new data analyses of 40 years research
Sand-Jensen, Kaj, Riis, T. & Martinsen, Kenneth Thorø, 2022, In: Freshwater Biology. 67, 7, p. 1255-1271 17 p.Research output: Contribution to journal › Journal article › peer-review
- Published
Physiological Adaptation and Plant Distribution along a Steep Hydrological Gradient
Sand-Jensen, Kaj, Borum, Jens, Møller, C. L. & Båstrup-Spohr, Lars, 2022, In: Plants. 11, 13, 12 p., 1683.Research output: Contribution to journal › Journal article › peer-review
- Published
Predicting water quality from geospatial lake, catchment, and buffer zone characteristics in temperate lowland lakes
Martinsen, Kenneth Thorø & Sand-Jensen, Kaj, 2022, In: Science of the Total Environment. 851, 12 p., 158090.Research output: Contribution to journal › Journal article › peer-review
- Published
Removal of chromophoric dissolved organic matter under combined photochemical and microbial degradation as a response to different irradiation intensities
Kragh, T., Sand-Jensen, Kaj, Kristensen, E., Pedersen, Ole & Madsen-Østerbye, M., 2022, In: Journal of Environmental Sciences. 118, p. 76-86Research output: Contribution to journal › Journal article › peer-review
- Published
Stream-Lake Connectivity Is an Important Control of Fluvial CO2 Concentrations and Emissions in Catchments
Sand-Jensen, Kaj, Riis, T., Kjær, Johan Emil & Martinsen, Kenneth Thorø, 2022, In: Earth and Space Science. 9, 12, 12 p., e2022EA002664.Research output: Contribution to journal › Journal article › peer-review
- Published
- Published
Wind drives fast changes of light climate in a large, shallow re-established lake
Martinsen, Kenneth Thorø, 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 › peer-review
- 2021
- Published
Optimal physical design in a new lake for reducing phosphorus pools
Sø, Jonas Stage, Sand-Jensen, Kaj & Kragh, T., 1 Mar 2021, In: Ecological Engineering. 161, 11 p., 106160.Research output: Contribution to journal › Journal article › 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
- Published
Century-long records reveal shifting challenges to seagrass recovery
Krause-Jensen, D., Duarte, C. M., Sand-Jensen, Kaj & Carstensen, J., 2021, In: Global Change Biology. 27, 3, p. 563-575 13 p.Research output: Contribution to journal › Journal article › peer-review
- Published
Den fattige egn med den rige flora
Schou, J. C. & Sand-Jensen, Kaj, 2021, In: URT. 4, p. 12-22Research output: Contribution to journal › Journal article
- Published
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 › peer-review
- Published
Hvilken natur kan vi få på våde lavbundsjorde?
Sand-Jensen, Kaj, Baumane, Marta, Båstrup-Spohr, Lars & Bruun, Hans Henrik, 2021, In: Aktuel Naturvidenskab. 2021, 6, p. 28-33Research output: Contribution to journal › Journal article
- Published
Kalken i naturens processer
Sand-Jensen, Kaj, Sø, Jonas Stage, Kristensen, E. & Kragh, T., 2021, In: Aktuel Naturvidenskab. 1, p. 16-20Research output: Contribution to journal › Journal article
- Published
Klimagasser: fra landjorden, over vandløb og søer til kystvande
Sand-Jensen, Kaj, Kjær, Johan Emil, Martinsen, Kenneth Thorø, Sø, J. S. & Kragh, T., 2021, In: Vand & Jord. 4, p. 150-154Research output: Contribution to journal › Journal article
- 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
- Published
Large pools and fluxes of carbon, calcium and phosphorus in dense charophyte stands in ponds
Sand-Jensen, Kaj, Martinsen, Kenneth Thorø, Jakobsen, A. L., Sø, Jonas Stage, Madsen-Østerbye, M., Kjær, J. E., Kristensen, E. & Kragh, T., 2021, In: Science of the Total Environment. 765, 12 p., 142792.Research output: Contribution to journal › Journal article › peer-review
- Published
Nye søer forbedrer natur og miljø
Sand-Jensen, Kaj, 2021, In: Aktuel Naturvidenskab. 4, p. 20-25Research output: Contribution to journal › Journal article
- 2020
- Published
Drivhusgasser fra nye søer
Davidson, T., Martinsen, Kenneth Thorø, Audet, J., Levi, E. E., Deng, J., Søndergaard, M., Egemose, S., Båstrup-Spohr, Lars & Sand-Jensen, Kaj, Dec 2020, In: Vand & Jord. 27, 4, p. 146-150Research output: Contribution to journal › Journal article
- Published
Vådområder bidrager markant til CO2-udledningen
Sand-Jensen, Kaj, Martinsen, Kenneth Thorø & Borum, Jens, 12 Jun 2020, In: Ingeniøren.Research output: Contribution to journal › Contribution to newspaper - Feature article
- 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
- 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
- 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 › peer-review
- Published
Carbon dioxide efflux and ecosystem metabolism of small forest lakes
Martinsen, Kenneth Thorø, Kragh, T. & Sand-Jensen, Kaj, 2020, In: Aquatic Sciences. 82, 17 p., 9.Research output: Contribution to journal › Journal article › peer-review
- Published
Early fish colonization and community development in a shallow re-established lake
Kristensen, E., Sand-Jensen, Kaj, Kristensen, J. S. B., Pedersen, M. E., Båstrup-Spohr, Lars & Kragh, T., 2020, In: Ecological Engineering. 155, 9 p., 105956.Research output: Contribution to journal › Journal article › peer-review
- Published
Fingerprinting pike: the use of image recognition to identify individual pikes
Kristensen, E., Sand-Jensen, Kaj, Martinsen, Kenneth Thorø, Madsen-Østerbye, M. & Kragh, T., 2020, In: Fisheries Research. 229, 8 p., 105622.Research output: Contribution to journal › Journal article › peer-review
- Published
Fisk i nye søer
Kristensen, E., Sand-Jensen, Kaj, Kragh, T., Martinsen, Kenneth Thorø, Båstrup-Spohr, Lars, Søndergaard, M. & Jeppesen, E., 2020, In: Vand & Jord. 27, 4, p. 156-160Research output: Contribution to journal › Journal article
- Published
From drought to flood: Sudden carbon inflow causes whole-lake anoxia and massive fish kill in a large shallow lake
Kragh, T., Martinsen, Kenneth Thorø, Kristensen, E. & Sand-Jensen, Kaj, 2020, In: Science of the Total Environment. 739, 12 p., 140072.Research output: Contribution to journal › Journal article › peer-review
- Published
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
- Published
Fysisk design af nye søer kan reducere fosforpuljen og tilgodese biodiversiteten
Sø, Jonas Stage, Kragh, T. & Sand-Jensen, Kaj, 2020, In: Vand & Jord. 27, 4, p. 142-145Research output: Contribution to journal › Journal article
- Published
Fødekæder i nye søer
Jeppesen, E., Kristensen, E., Shurkhuu, T., Lauridsen, T. L., Sø, Jonas Stage, Borum, Jens, Kragh, T., Båstrup-Spohr, Lars, Egemose, S., Sand-Jensen, Kaj & Søndergaard, M., 2020, In: Vand & Jord. 27, 4, p. 166-169Research output: Contribution to journal › Journal article
- Published
Kulstofbalancer og CO2 afgasning i danske søer og vandløb
Martinsen, Kenneth Thorø, Sand-Jensen, Kaj & Kragh, T., 2020, In: Vand & Jord. 27, 1, p. 37-40Research output: Contribution to journal › Journal article
- Published
Med lup om halsen: og flora i hånden
Schou, J. C. & Sand-Jensen, Kaj, 2020, In: URT. 44, 4, p. 14-19Research output: Contribution to journal › Journal article
- Published
Ny natur på opgivne lavbundsjorde
Sand-Jensen, Kaj & Schou, J. C., 2020, In: URT. 44, 2, p. 16-20Research output: Contribution to journal › Journal article
- Published
Nye søer - borgerinteresse, økologi og biodiversitet
Sand-Jensen, Kaj, 2020, In: Vand & Jord. 27, 4, p. 118-121Research output: Contribution to journal › Editorial
- Published
Nye søer nu og i fremtiden
Sand-Jensen, Kaj, Søndergaard, M. & Egemose, S., 2020, In: Vand & Jord. 27, 4, p. 122-126Research output: Contribution to journal › Journal article
- Published
Sådan kan nye søer planlægges
Sand-Jensen, Kaj, Egemose, S. & Søndergaard, M., 2020, In: Vand & Jord. 27, 4, p. 170-172Research output: Contribution to journal › Journal article
- Published
Temporal development of biodiversity of macrophytes in newly established lakes
Sø, Jonas Stage, Sand-Jensen, Kaj & Båstrup-Spohr, Lars, 2020, In: Freshwater Biology. 65, 3, p. 379-389Research output: Contribution to journal › Journal article › peer-review
ID: 5792
Most downloads
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7389
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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 -
1598
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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
Research output: Book/Report › Report
Published -
1584
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Hvordan påvirker temperaturen den bakterielle omsætning?
Research output: Contribution to journal › Journal article › peer-review
Published