Per Juel Hansen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 2012
- Published
The fish-killing dictyochophyte Pseudochattonella farcimen
Jakobsen, R. K., Hansen, Per Juel, Daugbjerg, Niels & Andersen, N. G., 2012, In: Harmful Algae. 18, p. 84-95 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Toxic mucus traps: a novel mechanism that mediates prey uptake in the mixotrophic dinoflagellate Alexandrium pseudogonyaulax
Blossom, H. E., Daugbjerg, Niels & Hansen, Per Juel, 2012, In: Harmful Algae. 17, p. 40-53 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Use of phytoplankton pigments in estimating food selection of three marine copepods
Christensen, B., Jonasdottir, S., Henriksen, P. & Hansen, Per Juel, 2012, In: Journal of Plankton Research. 34, 2, p. 161-172 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2011
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
Prey selection, ingestion and growth responses of the common marine ciliate Mesodinium pulex in the light and in the dark
Tarangkoon, W. & Hansen, Per Juel, 2011, In: Aquatic Microbial Ecology. 62, 1, p. 25-38 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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
- 2010
- 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 journal › Journal article › Research › peer-review
- Published
Autotrophic and heterotrophic activity in Arctic first-year sea ice: seasonal study from Malene Bight, SW Greenland
Søgaard, D. H., Kristensen, M., Rysgaard, S., Glud, R. N., Hansen, Per Juel & Hillingsøe, K. M., 2010, In: Marine Ecology - Progress Series. 419, p. 31-45 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
Putative N2-fixing heterotrophic bacteria associated with dinoflagellate-Cyanobacteria consortia in the low-nitrogen Indian Ocean
Farnelid, H., Tarangkoon, W., Hansen, Gert, Hansen, Per Juel & Riemann, Lasse, 2010, In: Aquatic Microbial Ecology. 61, 2, p. 105-117 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spatial distribution of symbiont-bearing dinoflagellates in the Indian Ocean in relation to oceanographic regimes
Tarangkoon, W., Hansen, Gert & Hansen, Per Juel, 2010, In: Aquatic Microbial Ecology. 58, 2, p. 197-213 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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
- 2009
- Published
Role of food uptake for photosynthesis, growth and survival of the mixotrophic dinoflagellate Dinophysis acuminata
Riisgaard, K. & Hansen, Per Juel, 17 Apr 2009, In: Marine Ecology - Progress Series. 381, p. 51-62 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Allelopathic effects of Alexandrium tamarense on other algae: evidence from mixed growth experiments
Tillmann, U. & Hansen, Per Juel, 2009, In: Aquatic Microbial Ecology. 57, 1, p. 101-112 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Does the red tide ciliate Mesodinium rubrum have replaceable symbionts
Tarangkoon, W., Hansen, Per Juel, Moldrup, M., Garcia, L., Daugbjerg, Niels & Moestrup, Øjvind, 2009, In: Phycologia. 4, p. 40-40 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Novel type of eukaryotic endosymbiont in Amphisolenia bidentata identified using ribosomal gene sequence determinations
Daugbjerg, Niels, Jensen, M. H. & Hansen, Per Juel, 2009, In: Phycologia. 4, p. 24-24 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- 2008
- Published
Prey size spectrum and bioenergetics of the mixotrophic dinoflagellate Karlodinium armiger
Berge, T., Hansen, Per Juel & Moestrup, Øjvind, 26 Mar 2008, In: Aquatic Microbial Ecology. 50, p. 289-299Research 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
- 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 journal › Journal article › Research › peer-review
- Published
Struktur og funktion af plankton fødekæden i det Indiske Ocean fra Cape Town til Broome iAustralien. Dansk Ekspeditionsfond 2008
Nielsen, T. G., Visser, A., Jonasdottir, S., Friis Møller, E., Andersen, M., Larsen, L., Søborg, B., Satapoomin, S., Jaspers, C., Markager, S., Middelboe, M., Martinsen, W., Berendt, A., Hansen, O. S., Hansen, P. J., Woraporn, T., Daugbjerg, N., Hansen, G., Hastrup Jensen, M., Jakobsen, H. H. & 4 others, , 2008.Research output: Contribution to conference › Paper › Research › peer-review
- Published
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
- 2007
- 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 journal › Journal article › Research › peer-review
- Published
Dinoflagellate/cyanobacteria consortia in the tropical Indian Ocean and the North-West Australian Sea
Tarangkoon, W., Hansen, Gert & Hansen, Per Juel, 2007, In: Journal of Phycology. suppl 1, p. 38-38 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Direct effects of pH and inorganic carbon on macroalgal photosynthesis and growth
Middelboe, A. L. & Hansen, Per Juel, 2007, In: Marine Biology Research. 3, 3, p. 134-144Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Does irradiance influence the tolerance of marine phytoplankton to high pH?
Nielsen, L. T., Lundholm, Nina & Hansen, Per Juel, 2007, In: Marine Biology Research. 3, 6, p. 446-453Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 103-112Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 63-71Research 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
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
- Published
Interactions among marine protists: importance of mixotrophy, pH and toxins
Hansen, Per Juel, 2007, In: Journal of Phycology. supl 1, p. 13-14 2 p.Research output: Contribution to journal › Conference abstract in journal › Research
- 2006
- Published
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
- Published
Book Reviews: Coastal Plankton - Photoguide for European Seas by Otto Larink & Wilfried Westheide
Hansen, Per Juel, 2006, In: Marine Biology Research. 2, 1, p. 76Research output: Contribution to journal › Literature review › Research
- 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 journal › Journal article › Research › peer-review
- Published
Exploring strategies for nanoflagellates living in a 'wet desert'
Boenigk, J., Pfandl, K. & Hansen, Per Juel, 2006, In: Aquatic Microbial Ecology. 44, p. 71-83Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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
Motile behaviour of the bloom-forming ciliate Mesodinium rubrum
Fenchel, Tom & Hansen, Per Juel, 2006, In: Marine Biology Research. 2, 1, p. 33-40Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Net growth of the bloom-forming dinoflagellate Heterocapsa triquetra and pH: why turbulence matters.
Havskum, H. & Hansen, Per Juel, 2006, In: Aquatic Microbial Ecology. 42, p. 55-62Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The bloom-forming ciliate Mesodinium rubrum harbours a single permanent endosymbiont
Hansen, Per Juel & Fenchel, Tom, 2006, In: Marine Biology Research. 2, 3, p. 169-177Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- 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
- 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. 1543-1551Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 513-530Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Lack of allelopathic effects of the domoic acid-producing marine diatom Pseudo-nitzschia multiseries
Lundholm, Nina, Hansen, Per Juel & Kotaki, Y., 2005, In: Marine Ecology - Progress Series. 288, p. 21-33Research output: Contribution to journal › Journal article › Research › peer-review
- 2004
- Published
Andaman Sea copepods: spatio-temporal variations in biomass and production, and role in the pelagic food web.
Satapoomin, S., Nielsen, T. G. & Hansen, Per Juel, 2004, In: Marine Ecology - Progress Series. 274, p. 99-122Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Assemblages of fish larvae and mesozooplankton across the continental shelf and shelf slope of the Andaman Sea (NE Indian Ocean).
Munk, P., Bjørnsen, P. K., Boonruang, P., Fryd, M., Hansen, Per Juel, Janekarn, V., Limtrakulvong, V., Nielsen, T. G., Hansen, O. S., Satapoomin, S., Sawangarreruks, S., Thomsen, H. A. & Østergaard, J. B., 2004, In: Marine Ecology - Progress Series. 274, p. 87-97Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of pH on growth and domoic acid production by potentially toxic diatoms of the genera Pseudo-nitzschia and Nitzschia.
Lundholm, Nina, Hansen, Per Juel & Kotaki, Y., 2004, In: Marine Ecology - Progress Series. 273, p. 1-15Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 79-87Research 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
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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