Per Juel Hansen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 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 journal › Journal article › Research › peer-review
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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. 1543-1551Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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. 513-530Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 19-31Research output: Contribution to journal › Journal article › Research › peer-review
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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. 33-41Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of irradiance and prey deprivation on growth, cell carbon and photosynthetic activity of the freshwater kleptoplastidic dinoflagellate Nusuttodinium (= Gymnodinium) aeruginosum (Dinophyceae)
Drumm, Kirstine, Liebst-Olsen, M., Daugbjerg, Niels, Moestrup, Øjvind & Hansen, Per Juel, 1 Aug 2017, In: PLoS ONE. 12, 8, 13 p., e0181751.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 145-288Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- 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. 259-265Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Exploring strategies for nanoflagellates living in a 'wet desert'
Boenigk, J., Pfandl, K. & Hansen, Per Juel, 2006, In: Aquatic Microbial Ecology. 44, p. 71-83Research output: Contribution to journal › Journal article › Research › peer-review
- 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/Report › Report › Research
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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 journal › Journal article › Research › peer-review
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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 proceeding › Book chapter › Research
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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. 1161-1166Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 proceeding › Book chapter › Research
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Giftige alger og algeblomstringer i danske farvande
Hansen, Per Juel, 1995, In: Naturligvis. 1995, p. 22-24Research output: Contribution to journal › Journal article › Research
- 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 journal › Journal article › Research › peer-review
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Green Noctiluca scintillans: a dinoflagellate with its own greenhouse.
Hansen, Per Juel, Miranda, L. & Azanza, R., 2004, In: Marine Ecology - Progress Series. 275, p. 79-87Research output: Contribution to journal › Journal article › Research › peer-review
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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. 65-72Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 975-983Research output: Contribution to journal › Journal article › Research › peer-review
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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. 121-128Research output: Contribution to journal › Journal article › Research › peer-review
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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. 103-112Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 63-71Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 proceeding › Report chapter › Research › peer-review
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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 journal › Journal article › Research › peer-review
- Published
Havforskning fra Miljøstyrelsen, Giftige alger i danske farvande
Larsen, J., Hansen, Per Juel & Ravn, H., 1993, Miljøstyrelsen. 130 p.Research output: Book/Report › Report › Research
- 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. 43-54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
High pH in shallow-water macroalgal habitats
Middelboe, A. L. & Hansen, Per Juel, 2007, In: Marine Ecology - Progress Series. 338, p. 107-117Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 93-103Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- 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. 69-86Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Inorganic carbon acquisition in red tide dinoflagellates
Rost, B., Richter, K., Riebesell, U. & Hansen, Per Juel, 2006, In: Plant, Cell and Environment. 29, p. 810-822Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
ID: 10120
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The role of mixotrophic protists in the biological carbon pump
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Resilience to temperature and pH changes in a future climate change scenario in six strains of the polar diatom Fragilariopsis cylindrus
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Functional ecology of aquatic phagotrophic protists–concepts, limitations, and perspectives
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