Per Juel Hansen

Per Juel Hansen

Professor


  1. Published

    Effect of turbulence on sedimentation and net population growth of the dinoflagellate Ceratium tripos and interactions with its predator, Fragilidium subglobosum

    Havskum, H., Hansen, Per Juel & Berdalet, E., 1 Jan 2005, In: Limnology and Oceanography. 50, 5, p. 1543-1551 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Effect of turbulence on sedimentation and net population growth of the dinoflagellate Ceratium tripos and interactions with its predator, Fragilidium subglosum

    Havskum, H., Hansen, Per Juel & Berdalet, E., 2005, In: Limnology and Oceanography. 50(5), p. 1543-1551

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Effects of Glacial Flour on Marine Micro-plankton: Evidences from Natural Communities of Greenlandic Fjords and Experimental Studies

    Maselli, Maira, Meire, L., Meire, P. & Hansen, Per Juel, 2023, In: Protist. 174, 1, 17 p., 125928.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Effects of diatary fatty acids on the reproductive success of the calanoid copepod Temora longicornis

    Arendt, K. E., Jónasdóttir, S. H., Hansen, Per Juel & Gartner, S., 2005, In: Marine Biology. 146, 3, p. 513-530

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Effects of dietary fatty acids on the reproductive success of the calanoid copepod Temora longicornis (vol 146, pg 513, 2005)

    Arendt, K., Jonasdottir, S. H., Hansen, Per Juel & Gartner, S., 2006, In: Marine Biology.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Effects of elevated pH on marine copepods in mass cultivation systems: practical implications

    Hansen, B. W., Hansen, Per Juel, Nielsen, T. G. & Meyer Jepsen, P., 2017, In: Journal of Plankton Research. 39 , 6, p. 984–993 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Effects of experimental seawater acidification on an estuarine plankton community

    Nielsen, L. T., Hallegraeff, G., Wright, S. & Hansen, Per Juel, 2012, In: Aquatic Microbial Ecology. 65, 3, p. 271-285 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Effects of harmful algal blooms on fish: insights from Prymnesium parvum

    Svendsen, M. B. S., Andersen, N. G., Hansen, Per Juel & Steffensen, John Fleng, 2018, In: Fishes. 3, 1, 12 p., 11.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Effects of high pH on a natural marine planktonic community

    Pedersen, M. F. & Hansen, Per Juel, 2003, In: Marine Ecology - Progress Series. 260, p. 19-31

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Effects of high pH on the growth and survival of six marine heterotrophic protists.

    Pedersen, M. F. & Hansen, Per Juel, 2003, In: Marine Ecology - Progress Series. 260, p. 33-41

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published
  12. Published

    Effects of large nongrazable particles on clearance and swimming behaviour of zooplankton

    Hansen, B., Hansen, Per Juel & Nielsen, T. G., 1991, In: Journal of Experimental Marine Biology and Ecology. 152(2), p. 145-288

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Effects of light and food availability on toxin production, growth and photosynthesis in Dinophysis acuminata

    Nielsen, L. T., Krock, B. & Hansen, Per Juel, 2012, In: Marine Ecology - Progress Series. 471, p. 37-50 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Effects of lowered pH on marine phytoplankton growth rates.

    Berge, T., Daugbjerg, Niels, Andersen, B. B. & Hansen, Per Juel, 2010, In: Marine Ecology - Progress Series. 416, p. 79-91 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Effects of nutrient limitation on food uptake in the toxic haptophyte Prymnesium parvum.

    Skovgaard, A., Legrand, C., Hansen, Per Juel & Granéli, E., 2003, In: Aquatic Microbial Ecology. 31, p. 259-265

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Effects of the DSP-toxic dinoflagellate Dinophysis acuta on clearance and respiration rate of the blue mussel, Mytilus edulis

    Nielsen, P., Krock, B., Hansen, Per Juel & Vismann, Bent, 2020, In: P L o S One. 15, 3, 19 p., e0230176.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Evolutionary transition towards permanent chloroplasts? - Division of kleptochloroplasts in starved cells of two species of Dinophysis (Dinophyceae).

    Rusterholz, P. M., Hansen, Per Juel & Daugbjerg, Niels, 11 May 2017, In: PLoS ONE. 12, 5, 16 p., e0177512.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Exploring strategies for nanoflagellates living in a 'wet desert'

    Boenigk, J., Pfandl, K. & Hansen, Per Juel, 2006, In: Aquatic Microbial Ecology. 44, p. 71-83

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    FISH-KILLING MARINE ALGAL BLOOMS: Causative Organisms, Ichthyotoxic Mechanisms, Impacts and Mitigation

    Hallegraeff, G., Anderson, D. M., Davidson, K., Gianella , F., Hansen, Per Juel, Iwataki, M., Larsen, T. O., Hegaret, H., Mardones, J. I., MacKenzie, L. & Rensel, J. E., 2023, Unesco. 96 p.

    Research output: Book/ReportReportResearch

  20. Published

    Feeding on copepod fecal pellets: a new trophic role of dinoflagellates as detritivores.

    Poulsen, L., Moldrup, M., Berge, T. & Hansen, Per Juel, 2011, In: Marine Ecology - Progress Series. 441, p. 65–78 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Fjords and climate change

    Juul-Pedersen, T., Winding, M. H. S., Sejr, M. K. & Hansen, Per Juel, 2021, Greenland Ecosystem Monitoring Annual Report Cards 2020. Christensen, T. B., Arndal, M. F. & Topp-Jørgensen, E. (eds.). Aarhus University, DCE – Danish Centre for Environment and Energy, p. 8-9 2 p.

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

  22. Published

    Food uptake in the harmful alga Prymnesium parvum mediated by excreted toxins

    Skovgaard, A. & Hansen, Per Juel, 2003, In: Limnology and Oceanography. 48(3), p. 1161-1166

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Functional ecology of aquatic phagotrophic protists–concepts, limitations, and perspectives

    Weisse, T., Anderson, R., Arndt, H., Calbet, A., Hansen, Per Juel & Montagnes, D. J. S., 2016, In: European Journal of Protistology. 55, Part A, p. 50–74 25 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    GEM MarineBasis – Programme description

    Sejr, M. K., Winding, M. H. S., Juul-Pedersen, T., Hansen, Per Juel & Nielsen, T. G., 2021, Greenland Ecosystem Monitoring Annual Report Cards 2020. Christensen, T. R., Arndal, M. F. & Topp-Jørgensen, E. (eds.). Aarhus University, DCE – Danish Centre for Environment and Energy, p. 40-41 2 p.

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

  25. Published

    Giftige alger og algeblomstringer i danske farvande

    Hansen, Per Juel, 1995, In: Naturligvis. 1995, p. 22-24

    Research output: Contribution to journalJournal articleResearch

  26. Published

    Gill Transcriptomic Responses to Toxin-producing Alga Prymnesium parvum in Rainbow Trout

    Clinton, M., Krol, E., Sepúlveda, D., Andersen, N. R., Brierley, A. S., Ferrier, D. E. K., Hansen, Per Juel, Lorenzen, N. & Martin, S. A. M., 2021, In: Frontiers in Immunology. 12, 17 p., 794593.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Green Noctiluca scintillans: a dinoflagellate with its own greenhouse.

    Hansen, Per Juel, Miranda, L. & Azanza, R., 2004, In: Marine Ecology - Progress Series. 275, p. 79-87

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Growth and grazing response of a ciliate feeding on the red tide dinoflagellate Gyrodinium aureolum in monoculture and in mixture with a non-toxic alga

    Hansen, Per Juel, 1995, In: Marine Ecology - Progress Series. 121, p. 65-72

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Growth and grazing responses of Chrysochromulina ericina (Prymnesiophyceae): the role of irradiance, prey concentration and pH

    Hansen, Per Juel & Hjorth, M., 2002, In: Marine Biology. 141, p. 975-983

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Growth and grazing responses of two chloroplast-retaining dinoflagellates:effect of irradiance and prey species

    Jakobsen, H. H., Hansen, Per Juel & Larsen, Jacob, 2000, In: Marine Ecology - Progress Series. 201, p. 121-128

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Growth limitation due to high pH and low inorganic carbon concentrations in temperate species of the dinoflagellate genus Ceratium

    Søderberg, L. M. & Hansen, Per Juel, 2007, In: Marine Ecology - Progress Series. 351, p. 103-112

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Growth limitation due to high pH and low inorganic carbon concentrations in temperate species of the dinoflagellate genus Ceratium

    Søderberg, L. M. & Hansen, Per Juel, 6 Dec 2007, In: Marine Ecology Progress Series. 351, p. 103-112 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Growth limitation in marine red-tide dinoflagellates: effects of pH versus inorganic carbon availability

    Hansen, Per Juel, Lundholm, Nina & Rost, B., 2007, In: Marine Ecology - Progress Series. 334, p. 63-71

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Growth limitation of three Arctic sea ice algal species: effects of salinity, pH, and inorganic carbon availability

    Sogaard, D. H., Hansen, Per Juel, Rysgaard, S. & Glud, R. N., 2011, In: Polar Biology. 34, 8, p. 1157-1165 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    HABs under global change: Experimental conditions and approaches

    van der Waal, D. B., Bach, L., Berdalet, E., Brandenburg, K. M., Suikkanen, S., Wohlrab, S., Hansen, Per Juel & Kremp, A., 2021, Guidelines for the study of climate change effects on HABs. Enevoldsen, H. & Sun, Y. (eds.). Unesco, p. 36-63 (IOC Manual and Guides, Vol. 88).

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearchpeer-review

  36. Published

    HPLC-HRMS quantification of the ichthyotoxin karmitoxin from Karlodinium armiger

    Andersen, A. J. C., de Medeiros, L. S., Binzer, S. B., Rasmussen, S. A., Hansen, Per Juel, Nielsen, K. F., Jørgensen, K. & Larsen, T. O., Sep 2017, In: Marine Drugs. 15, 9, 13 p., 278.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Havforskning fra Miljøstyrelsen, Giftige alger i danske farvande

    Larsen, J., Hansen, Per Juel & Ravn, H., 1993, Miljøstyrelsen. 130 p.

    Research output: Book/ReportReportResearch

  38. Published

    High pH and not allelopathy may be responsible for negative effects of Nodularia spumigena on other algae

    Møgelhøj, M. K., Hansen, Per Juel, Henriksen, P. & Lundholm, Nina, 2006, In: Aquatic Microbial Ecology. 43, p. 43-54

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    High pH in shallow-water macroalgal habitats

    Middelboe, A. L. & Hansen, Per Juel, 2007, In: Marine Ecology - Progress Series. 338, p. 107-117

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    High reproduction, but low biomass: mortality estimates of the copepod Acartia tonsa in a hyper-eutrophic estuary

    Tiselius, P., Borg, C. M. A., Hansen, B. W., Hansen, Per Juel, Nielsen, T. G. & Vismann, Bent, 2008, In: Aquatic Biology. 2, p. 93-103

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    High resilience of two coastal plankton communities to 21st century seawater acidification: Evidence from microcosm studies.

    Nielsen, L. T., Jakobsen, H. H. & Hansen, Per Juel, 1 Oct 2010, In: Marine Biology Research. 6, 6, p. 542-555 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    High resilience of two coastal plankton communities to twenty-first century seawater acidification: Evidence from microcosm studies

    Nielsen, L. T., Jakobsen, H. H. & Hansen, Per Juel, 2010, In: Marine Biology Research. 6, 6, p. 542-555 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Hydrography, bacteria and protist communities across the continental shelf and shelf slope of the Andaman Sea (NE Indian Ocean).

    Nielsen, T. G., Bjørnsen, P. K., Boonruang, P., Fryd, M., Hansen, Per Juel, Janekarn, V., Limtrakulvong, V., Munk, P., Hansen, O. S., Satapoomin, S., Sawangarreuks, S., Thomsen, H. A. & Østergaard, J. B., 2004, In: Marine Ecology - Progress Series. 274, p. 69-86

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Ichthyotoxicity of the microalga Pseudochattonella farcimen under laboratory and field conditions in Danish waters

    Andersen, N. G., Hansen, Per Juel, Engell-Sørensen, K., Nørremark, L. H., Andersen, P., Lorenzen, E. & Lorenzen, N., 2015, In: Diseases of Aquatic Organisms. 116, 3, p. 165-172 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Impact of elevated pH on succession in the Arctic spring bloom

    Riisgaard, K., Nielsen, T. G. & Hansen, Per Juel, 2015, In: Marine Ecology - Progress Series. 530, p. 63-75 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland

    Makri, M., Hansen, Per Juel & Gissel Nielsen, T., 2024, In: Marine Ecology - Progress Series. 729, p. 47-62 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Impacts of inorganic nutrients on the physiology of a mixoplanktonic ciliate and its cryptophyte prey

    Maselli, Maira, Van de Waal, D. B. & Hansen, Per Juel, 2022, In: Oecologia. 199, 1, p. 41-52 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Inorganic carbon acquisition in potentially toxic and non-toxic diatoms: the effect of pH-induced changes in the seawater carbonate chemistry.

    Trimborn, S., Lundholm, Nina, Thoms, S., Richter, K., Hansen, Per Juel, Krock, B. & Rost, B., 2008, In: Physiologia Plantarum : An International Journal for Plant Biology. 133, 1, p. 92-105 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Inorganic carbon acquisition in red tide dinoflagellates

    Rost, B., Richter, K., Riebesell, U. & Hansen, Per Juel, 2006, In: Plant, Cell and Environment. 29, p. 810-822

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Interaction between Mesodinium rubrum and its prey: importance of prey concentration, irradiance and pH

    Moldrup, M. & Hansen, Per Juel, 2007, In: Marine Ecology - Progress Series. 338, p. 61-70 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 10120