Theis Kragh

Theis Kragh

Associate Professor


  1. 2019
  2. E-pub ahead of print

    Inorganic carbon promotes photosynthesis, growth, and maximum biomass of phytoplankton in eutrophic water bodies. / Hammer, Kathrine Jul; Kragh, Theis; Sand-Jensen, Kaj.

    In: Freshwater Biology, 14.08.2019.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Carbon dioxide fluxes of air-exposed sediments and desiccating ponds. / Martinsen, Kenneth Thorø; Kragh, Theis; Sand-Jensen, Kaj.

    In: Biogeochemistry, Vol. 144, No. 2, 2019, p. 165-180.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    The carbon pump supports high primary production in a shallow lake. / Andersen, Mikkel René; Kragh, Theis; Martinsen, Kenneth Thorø; Kristensen, Emil; Sand-Jensen, Kaj.

    In: Aquatic Sciences, Vol. 81, No. 2, 24, 2019, p. 1-11.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2018
  6. Published

    A simple and cost-efficient automated floating chamber for continuous measurements of carbon dioxide gas flux on lakes. / Martinsen, Kenneth Thorø; Kragh, Theis; Sand-Jensen, Kaj.

    In: Biogeosciences, Vol. 15, No. 18, 2018, p. 5565-5573.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Adaptation and growth performance of four endangered amphibious freshwater species. / Mørk, Oliver; Kragh, Theis; Kristensen, Emil; Sand-Jensen, Kaj.

    In: Aquatic Botany, Vol. 150, 2018, p. 16-22.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Bedre og billigere teknologi til studier af klimagasser. / Sand-Jensen, Kaj; Martinsen, Kenneth Thorø; Kragh, Theis.

    In: Vand & Jord, Vol. 25, No. 2, 2018, p. 70-73.

    Research output: Contribution to journalJournal articleCommunication

  9. Published

    Carbon limitation of lake productivity. / Kragh, Theis; Sand-Jensen, Kaj.

    In: Proceedings of the Royal Society B: Biological Sciences, Vol. 285, No. 1891, 1415, 2018, p. 1-9.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Catchment tracers reveal discharge, recharge and sources of groundwater-borne pollutants in a novel lake modelling approach. / Kristensen, Emil; Madsen-Østerbye, Mikkel; Massicotte, Philippe; Pedersen, Ole; Markager, Stiig; Kragh, Theis.

    In: Biogeosciences, Vol. 15, No. 4, 2018, p. 1203-1216.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Coupled UV-exposure and microbial decomposition improves measures of organic matter degradation and light models in humic lake. / Madsen-Østerbye, Mikkel; Kragh, Theis; Pedersen, Ole; Sand-Jensen, Kaj.

    In: Ecological Engineering, Vol. 118, 2018, p. 191-200.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Early ecosystem responses to watershed restoration along a headwater stream. / Kallenbach, Emilie M.F.; Sand-Jensen, Kaj; Morsing, Jonas; Martinsen, Kenneth Thorø; Kragh, Theis; Raulund-Rasmussen, Karsten; Båstrup-Spohr, Lars.

    In: Ecological Engineering, Vol. 116, 2018, p. 154-162.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Getting cosy in freshwater : assumed to be brackish pike are not so brackish after all. / Birnie-Gauvin, Kim; Højrup, Lasse Birch; Kragh, Theis; Jacobsen, Lene; Aarestrup, Kim.

    In: Ecology of Freshwater Fish, Vol. 28, No. 3, 2018, p. 376-384.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Hyppigere iltsvind i søer i et varmere klima – Et forvarsel i Filsø? / Kragh, Theis; Sand-Jensen, Kaj.

    In: Vand & Jord, Vol. 25, No. 3, 2018, p. 114-118.

    Research output: Contribution to journalJournal articleCommunication

  15. Published

    Kalkudfældning, fotosyntese og fosforbinding hos kransnålalger i småsøer. / Sand-Jensen, Kaj; Andersen, Mikkel; Kragh, Theis; Kristensen, Emil; Martinsen, Kenneth Thorø.

    In: Vand & Jord, Vol. 25, No. 3, 2018, p. 101-104.

    Research output: Contribution to journalJournal articleCommunication

  16. Published

    Photosynthesis and calcification of charophytes. / Sand-Jensen, Kaj; Jensen, Rune Stefan; Gomes, Matilde; Kristensen, Emil; Martinsen, Kenneth Thorø; Kragh, Theis; Baastrup-Spohr, Lars; Borum, Jens.

    In: Aquatic Botany, Vol. 149, 2018, p. 46-51.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Varm sommer med uventede konsekvenser for vandmiljøet. / Sand-Jensen, Kaj; Martinsen, Kenneth Thorø; Kragh, Theis.

    In: Aktuel Naturvidenskab, No. 6, 2018, p. 22-26.

    Research output: Contribution to journalJournal articleCommunication

  18. 2017
  19. Published

    Fast phosphorus loss by sediment resuspension in a re-established shallow lake on former agricultural fields. / Kragh, Theis; Sand-Jensen, Kaj; Petersen, Kathrine; Kristensen, Emil.

    In: Ecological Engineering, Vol. 108, No. Part A, 11.2017, p. 2-9.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    High rates and close diel coupling of primary production and ecosystem respiration in small, oligotrophic lakes. / Martinsen, Kenneth Thorø; Andersen, Mikkel René; Kragh, Theis; Sand-Jensen, Kaj.

    In: Aquatic Sciences, Vol. 79, No. 4, 10.2017, p. 995-1007.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Extreme diel dissolved oxygen and carbon cycles in shallow vegetated lakes. / Andersen, Mikkel René; Kragh, Theis; Sand-Jensen, Kaj.

    In: Proceedings of the Royal Society B: Biological Sciences, Vol. 284, No. 1862, 20171427, 2017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Nye danske søer - design af optimal miljøtilstand og biodiversitet. / Sand-Jensen, Kaj; Kragh, Theis; Borum, Jens; Båstrup-Spohr, Lars; Egemose, Sara; Jensen, Henning S.; Jeppesen, Erik; Reitzel, Kasper; Søndergaard, Martin.

    In: Vand & Jord, Vol. 24, No. 2, 2017, p. 65-69.

    Research output: Contribution to journalJournal articleCommunication

  23. Published

    Profound afternoon depression of ecosystem production and nighttime decline of respiration in a macrophyte-rich, shallow lake. / Kragh, Theis; Andersen, Mikkel René; Sand-Jensen, Kaj.

    In: Oecologia, Vol. 185, No. 1, 2017, p. 157-170.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. 2016
  25. Published

    Constraining the distribution of photosynthetic parameters in the global ocean. / Richardson, Katherine; Bendtsen, Jørgen; Kragh, Theis; Mousing, Erik Askov.

    In: Frontiers in Marine Science, Vol. 3, 269, 2016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Lobeliesøer - trusler og restaurering. / Pedersen, Ole; Båstrup-Spohr, Lars; Madsen-Østerbye, Mikkel; Kristensen, Emil; Kragh, Theis; Andersen, Mikkel René; Andersen, Frede Østergaard; Sand-Jensen, Kaj.

    In: Vand & Jord, Vol. 23, No. 2, 2016, p. 63-66.

    Research output: Contribution to journalJournal articleResearch

  27. Published

    Remarkable richness of aquatic macrophytes in 3-years old re-established Lake Fil, Denmark. / Båstrup-Spohr, Lars; Kragh, Theis; Petersen, Kathrine; Moeslund, Bjarne; Schou, Jens Chr.; Sand-Jensen, Kaj.

    In: Ecological Engineering, Vol. 95, 2016, p. 375-383.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. 2015
  29. Published

    Miraklerne fortsætter i Filsø. / Båstrup-Spohr, Lars; Kragh, Theis; Moeslund, Bjarne; Schou, Jens Christian; Aaby, Bent; Sand-Jensen, Kaj.

    In: URT, Vol. 39, No. 4, 2015, p. 128-133.

    Research output: Contribution to journalJournal articleCommunication

  30. Published

    Naturgenopretning – nu med videnskab. / Sand-Jensen, Kaj; Båstrup-Spohr, Lars; Kragh, Theis; Petersen, Kathrine; Morsing, Jonas.

    In: Aktuel Naturvidenskab, No. 04, 2015, p. 8-13.

    Research output: Contribution to journalJournal articleCommunication

  31. Published

    Positive interactions between moss cushions and vascular plant cover improve water economy on Öland's alvar, Sweden. / Sand-Jensen, Kaj; Hammer, Kathrine Jul; Madsen-Østerbye, Mikkel; Dencker, Tim; Kragh, Theis.

    In: Botany, Vol. 93, No. 3, 2015, p. 141-150.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. 2014
  33. Published

    Miraklet i Vestjylland - den genoprettede Filsø. / Sand-Jensen, Kaj; Kragh, Theis; Petersen, Kathrine; Båstrup-Spohr, Lars; Schou, Jens Christian; Moeslund, Bjarne ; Holm, Peter.

    In: URT, Vol. 38, No. 4, 2014, p. 114-123.

    Research output: Contribution to journalJournal articleCommunication

  34. 2013
  35. Published

    Functional and compositional succession of bacterioplankton in response to a gradient in bioavailable dissolved organic carbon. / Dinasquet, Julie Vanessa; Kragh, Theis; Schrøter, Marie-Louise; Søndergaard, Morten; Riemann, Lasse.

    In: Environmental Microbiology, Vol. 15, No. 9, 2013, p. 2616-2628.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. 2012
  37. Published

    Cascading effects of the ctenophore Mnemiopsis leidyi on the planktonic food web in a nutrient limited estuarine system. / Dinasquet, Julie Vanessa; Titelman, J.; Møller, L.F.; Setälä, O.; Granhag, L.; Andersen, T.; Båmstedt, U.; Haraldsson, M.; Katajisto, T.; Kragh, Theis; Kuparinen, J.; Schrøter, M.-L.; Søndergaard, Morten; Tiselius, P.; Riemann, Lasse.

    In: Marine Ecology - Progress Series, Vol. 460, 2012, p. 49-61.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. 2011
  39. Published

    Distribution and production of plankton communities in the subtropical convergence zone of the Sargasso Sea. I. phytoplankton and bacterioplankton. / Riemann, Lasse; Nielsen, Torkel Gissel; Kragh, Theis; Richardson, Katherine; Parner, Hjalte; Jakobsen, Hans Henrik; Munk, Peter.

    In: Marine Ecology - Progress Series, Vol. 426, 2011, p. 57-70.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Global trends in the fluorescence characteristics and distribution of marine dissolved organic matter. / Jørgensen, Linda; Stedmon, Colin; Kragh, Theis; Markager, Stiig; Middelboe, Mathias; Søndergaard, Morten.

    In: Marine Chemistry, Vol. 126, No. 1-4, 2011, p. 139-148.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. 2010
  42. Published

    Tracing water mass mixing in the Baltic-North Sea transition zone using the optical properties of coloured dissolved organic matter. / Stedmon, Colin A.; Osburn, Christopher L.; Kragh, Theis.

    In: Estuarine, Coastal and Shelf Science, Vol. 87, No. 1, 2010, p. 156-162.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. 2009
  44. Published

    Production and decomposition of new DOC by marine plankton communities: carbohydrates, refractory components and nutrient limitation. / Kragh, T.; Søndergaard, Morten.

    In: Biogeochemistry, Vol. 96, No. 1-3, 2009, p. 177-187.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. 2008
  46. Published

    Dissolved Organic Matter (DOM) in Aquatic Ecosystems. / Kragh, Jens Theis.

    2008.

    Research output: Book/ReportPh.D. thesisResearch

  47. Published

    Effect of exposure to sunlight and phosphorus-limitation on bacterial degradation of coloured dissolved organic matter (CDOM) in freshwater. / Kragh, Theis; Søndergaard, Morten; Tranvik, Lars.

    In: FEMS Microbiology Ecology, Vol. 64, No. 2, 2008, p. 230-9.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. 2007
  49. Published

    Partitioning of organic production in marine plankton communities : The effects of inorganic nutrient ratios and community composition on new dissolved organic matter. / Conan, P.; Søndergaard, Morten; Kragh, T.; Thingstad, F.; Pujo-Pay, M.; Williams, P.J.L.B.; Markager, S.; Cauwet, G.; Borch, N.H.; Evans, D.; Riemann, Bo.

    In: Limnology and Oceanography, Vol. 52, No. 2, 2007, p. 753-765.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. 2006
  51. Published

    Production and fate of autochthonous DOM: An experimental approach. / Søndergaard, M.; Kragh, J. T.

    CIESM Workshop Monographs, no28. CIESM - The mediterrabean science commussion, 2006. p. 49-57.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  52. Published

    The effect of zooplankton on the dynamics and molecular composition ofcarbohydrates during an experimental algal bloom. / Kragh, J. T.; Søndergaard, M.; Borch, N. H.

    In: Journal of Limnology, Vol. 65, No. 1, 2006, p. 52-58.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. 2004
  54. Published

    DOM sources and microbes in lakes and coastal waters. / Søndergaard, M.; Thingstad, F.; Kragh, J. T.; Cauwet, G.

    Dissolved Organic Matter (DOM) in Aquatic Ecosystems: A Study of European Catchments and Coastal Waters. EU project DOMAINE, 2004. p. 23-36.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  55. Published

    Production and bioavailability of autochthonous dissolved organic carbon : effects of mesozooplankton. / Kragh, T.; Søndergaard, Morten.

    In: Aquatic Microbial Ecology, Vol. 36, No. 1, 2004, p. 61-72.

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. 1996
  57. Published

    Synaptic degeneration and remodelling after fast kindling of the olfactory bulb. / Woldbye, D P; Bolwig, T G; Kragh, J; Jørgensen, Ole Steen.

    In: Neurochemical Research, Vol. 21, No. 5, 1996, p. 585-93.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 10268