Per Juel Hansen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- Published
The marine dinoflagellate Alexandrium ostenfeldii: paralytic shellfish toxin concentration, composition, and toxicity to a tintinnid ciliate
Hansen, Per Juel, Cembella, A. D. & Moestrup, Øjvind, 1992, In: Journal of Phycology. 28, p. 597-603Research output: Contribution to journal › Journal article › Research › peer-review
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Photoregulation in a kleptochloroplastidic Dinoflagellate, Dinophysis acuta
Hansen, Per Juel, Ojamäe, K., Berge, T., Trampe, Erik, Nielsen, L. T., Lipps, I. & Kühl, Michael, 2016, In: Frontiers in Microbiology. 7, 11 p., 785.Research output: Contribution to journal › Journal article › Research › peer-review
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Acquired phototrophy in Mesodinium and Dinophysis – a review of cellular organization, prey selectivity, nutrient uptake and bioenergetics
Hansen, Per Juel, Nielsen, L. T., Johnson, M., Berge, T. & Flynn, K. J., 2013, In: Harmful Algae. 28, p. 126-139 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Det grønne plankton - planktonalgerne
Hansen, Per Juel, 2006, Naturen i Danmark: HAVET. Fenchel, T. (ed.). Gyldendal, p. 71-91Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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Distribution and growth of protists and mesozooplankton during a bloom of Chrysochromulina spp. (Prymnesiophyceae, Prymnesiales)
Hansen, Per Juel, Nielsen, T. G. & Kaas, H., 1995, In: Phycologia. 34 (5), p. 409-416Research output: Contribution to journal › Journal article › Research › peer-review
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Zooplanktion grazing and growth: Scaling within the 2-2,000-um body size range
Hansen, Per Juel, Bjørnsen, P. K. & Hansen, B. W., 1997, In: Limnology and Oceanography. 42 (4), p. 687-704Research output: Contribution to journal › Journal article › Research › peer-review
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Phagotrophic Mechanisms and Prey Selection in Free-living Dinoflagellates
Hansen, Per Juel & Calado, A. J., 1999, In: Journal of Eukaryotic Microbiology. 46(4), p. 328-389Research output: Contribution to journal › Journal article › Research › peer-review
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The role of photosynthesis and food uptake for the growth of marine mixotrophic dinoflagellates
Hansen, Per Juel, 2011, In: Journal of Eukaryotic Microbiology. 58, 3, p. 203-214 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Physiology of the mixotrophic dinoflagellate Fragilidium subglosum. II. Effects of time scale and prey concentration on photosynthetic performance
Hansen, Per Juel, Skovgaard, A., Glud, R. N. & Stoecker, D. K., 2000, In: Marine Ecology - Progress Series. 201, p. 137-146Research 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
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Physiology of the mixotrophic dinoflagellate Fragilidium subglobosum. II. Effects of time scale and prey concentration on photosynthetic performance
Hansen, Per Juel, Skovgaard, A., Glud, R. N. & Stoecker, D. K., 9 Aug 2000, In: Marine Ecology Progress Series. 201, p. 137-146 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Meeting report: Third European Congress of Protistology and 9th European Congress on Ciliate Biology, Helsingor, Denmark, July 26-30, 1999
Hansen, Per Juel & Leick, V., 1 Jan 1999, In: Protist. 150, 3, p. 225-228 4 p.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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In situ and experimental evidence for effects of elevated pH on protistan and metazoan grazers
Hansen, B. W., Andersen, C. M. B., Hansen, Per Juel, Nielsen, T. G., Vismann, Bent & Tiselius, P., 2019, In: Journal of Plankton Research. 41, 3, p. 257–271 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The size ratio between planktonic predators and their prey
Hansen, B., Bjørnsen, P. K. & Hansen, Per Juel, 1994, In: Limnology and Oceanography. 39 (2), p. 395-403Research 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
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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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Allelopathy in Harmful Algae: A Mechanism to Compete for Resources?
Granéli, E. & Hansen, Per Juel, 2006, Ecology of Harmful Algae: Series: Ecological Studies Vol. 189.. 189 ed. Heidelberg: Springer, p. 189-202 (Ecological Studies, Vol. 189).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Plant are not animals and animals are not plants, right? Wrong! Tiny creatures in the ocean can be both at once
Glibert, P. M., Mitra, A., Flynn, K. J., Hansen, Per Juel, Jeong, H. J. & Stoecker, D., 2019, In: Frontiers for Young Minds. 7, 9 p., 48.Research output: Contribution to journal › Comment/debate › Communication
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The chloroplast of the DSP-producer Dinophysis, does it originate from Mesodinium, Teleaulax or elsewhere?
Garcia, L., Hansen, Per Juel, Daugbjerg, Niels & Moestrup, Øjvind, 2008. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Studies on the genus Mesodinium II. ultrastructural and molecular investigations of five marine species help clarifying the taxonomy
Garcia, L., Moestrup, Øjvind & Hansen, Per Juel, 2012, In: Journal of Eukaryotic Microbiology. 59, 4, p. 374-400 27 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The toxic dinoflagellate Dinophysis acuminata harbors permanent chloroplasts of cryptomomad prigin, not kleptochloroplasts
Garcia, L., Moestrup, Øjvind, Hansen, Per Juel & Daugbjerg, Niels, 2010, In: Harmful Algae. 9, 1, p. 25-38 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Misuse of the phytoplankton-zooplankton dichotomy: the need to assign organisms as mixotrophs within plankton functional types
Flynn, K. J., Stoecker, D. K., Mitra, A., Raven, J. A., Glibert, P. M., Hansen, Per Juel, Granéli, E. & Burkholder, J. M., 2013, In: Journal of Plankton Research. 35, 1, p. 3-11 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Cutting the canopy to defeat the “selfish gene”; conflicting selection pressures for the integration of phototrophy in mixotrophic protists
Flynn, K. J. & Hansen, Per Juel, 2013, In: Protist. 164, 6, p. 811-823 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Ocean acidification with (de)eutrophication will alter future phytoplankton growth and succession
Flynn, K. J., Darren, C. R., Mitra, A., Heiner, F., Hansen, Per Juel, Glibert, P., Wheeler, G. L., Stoecker, D. K., Blackford, J. C. & Brownlee, C., 2015, In: Proceedings of the Royal Society B: Biological Sciences. 282, 1804, 6 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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