Per Juel Hansen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 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 proceeding › Report chapter › Research › peer-review
- Published
The combined effect of pH and dissolved inorganic carbon concentrations on the physiology of plastidic ciliate Mesodinium rubrum and its cryptophyte prey
Yde Eriksen, C. S., Desmaret Walli, M., Van de Waal, D. B., Helmsing, N. R., Dahl, E. O., Sørensen, Helle & Hansen, Per Juel, 2023, In: Harmful Algae. 129, 11 p., 102509.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Distinctly different behavioral responses of a copepod, Temora longicornis, to different strains of toxic dinoflagellates, Alexandrium spp.
Xu, J., Hansen, Per Juel, Nielsen, L. T., Krock, B., Tillmann, U. & Kiørboe, T., Feb 2017, In: Harmful Algae. 62, p. 1-9 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
Cytotoxicity of Prymnesium parvum extracts and prymnesin analogs on epithelial fish gill cells RTgill‑W1 and the human colon cell line HCEC‑1CT
Varga, E., Prause, H., Riepl, M., Hochmayr, N., Berk, D., Attakpah, E., Kiss, E., Medic, Nikola, Del Favero, G., Larsen, T. O., Hansen, Per Juel & Marko, D., 2024, In: Archives of Toxicology. 98, p. 999–1014 16 p.Research 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
A comparison of photosynthesis measurements by O2 evolution, 14C assimilation and variable chlorophyll fluorescence during light acclimatization of the diatom Coscinodiscus granii
Trampe, Erik, Hansen, Per Juel & Kühl, Michael, 2015, In: Algae. 30, 2, p. 103-119 17 p.Research 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
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
Effect of acidification on an Arctic phytoplankton community from Disko Bay, West Greenland
Thoisen, C., Riisgaard, K., Lundholm, Nina, Nielsen, T. G. & Hansen, Per Juel, 2015, In: Marine Ecology - Progress Series. 520, p. 21-34 14 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
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
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
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
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
An under‑ice bloom of mixotrophic haptophytes in low nutrient and freshwater‑influenced Arctic waters
Søgaard, D. H., Sorrell, B. K., Sejr, M. K., Andersen, P., Rysgaard, S., Hansen, Per Juel, Skyttä, A., Lemcke, S. & Lund-Hansen, L. C., 2021, In: Scientific Reports. 11, 8 p., 11:2915.Research 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 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
Development of an indirect quantitation method to assess ichthyotoxic B-type prymnesins from Prymnesium parvum
Svenssen, D. K., Binzer, S. B., Medic, Nikola, Hansen, Per Juel, Larsen, T. O. & Varga, E., 2019, In: Toxins. 11, 5, 15 p., 251.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
Mixotrophy in the marine plankton
Stoecker, D. K., Hansen, Per Juel, Caron, D. & Mitra, A., Jan 2017, In: Annual Review of Marine Science. 9, p. 311–335 25 p.Research output: Contribution to journal › Review › 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
Physiology of the mixotrophic dinoflagellate Fragilidium subglobosum. I. Effects of phagotrophy and irradiance on photosynthesis and carbon content
Skovgaard, A., Hansen, Per Juel & Stoecker, D. K., 2000, In: Marine Ecology - Progress Series. 201, p. 129-136Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Toxin-mediated feeding in the harmful alga Prymnesium parvum
Skovgaard, A. & Hansen, Per Juel, 2002.Research output: Contribution to conference › Conference abstract for conference › Research
- 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. 1161-1166Research 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
DiskoBasis monitering
Sigsgaard, Charlotte, Jørgensen, C. J., Christiansen, C. T., Hansen, Per Juel, Christoffersen, Kirsten Seestern, McConnell, A., Mølgaard, K. A., Kroon, Aart, Friborg, Thomas, Hansen, Birger & Elberling, Bo, 2017, Arctic Station Annual Report 2015. Kroon, A. & Sigsgaard, C. (eds.). København: Københavns Universitet, p. 7-13 7 p. (Annual Report).Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research › peer-review
- 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 proceeding › Book chapter › Research
- Published
Local adaptation through countergradient selection in northern populations of Skeletonema marinoi
Sefbom, J., Kremp, A., Hansen, Per Juel, Johannesson, K., Godhe, A. & Rengefors, K., 2023, In: Evolutionary Applications. 16, 2, 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A dataset on trophic modes of aquatic protists
Schneider, L. K., Anestis, K., Mansour, J., Anschütz, A. A., Gypens, N., Hansen, Per Juel, John, U., Klemm, K., Martin, J. L., Medic, Nikola, Not, F. & Stolte, W., 2020, In: Biodiversity Data Journal. 8, 13 p., e56648.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Allelopathy in the prymnesiophyte Chrysochromulina polylepis: effect of cell concentration, growth phase and pH
Schmidt, L. E. & Hansen, Per Juel, 2001, In: Marine Ecology - Progress Series. 216, p. 67-81Research output: Contribution to journal › Journal article › Research › peer-review
- 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
Predator Field and Colony Morphology Determine the Defensive Benefit of Colony Formation in Marine Phytoplankton
Ryderheim, F., Hansen, Per Juel & Kiørboe, T., 2022, In: Frontiers in Marine Science. 9, 10 p., 829419.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 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
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
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
- Published
Dynamic CO2 and pH levels in coastal, estuarine, and inland waters: theoretical and observed effects on harmful algal blooms
Raven, J. A., Gobler, C. J. & Hansen, Per Juel, 2020, In: Harmful Algae. 91, 13 p., 101594.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chemodiversity of ladder-frame prymnesin polyethers in Prymnesium parvum
Rasmussen, S. A., Meier, S., Andersen, N. G., Blossom, H. E., Duus, J. Ø., Nielsen, K. F., Hansen, Per Juel & Larsen, T. O., 2016, In: Journal of Natural Products. 79, 9, p. 2250–2256 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chemical diversity, origin, and analysis of phycotoxins
Rasmussen, S. A., Andersen, A. J. C., Andersen, N. G., Nielsen, K. F., Hansen, Per Juel & Larsen, T. O., 2016, In: Journal of Natural Products. 79, 3, p. 662-673 12 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
Karmitoxin: an amine containing polyhydroxy-polyene toxin from the marine dinoflagellate Karlodinium armiger
Rasmussen, S. A., Binzer, S. B., Hoeck, C., Meier, S., Soman de Medeiros, L., Andersen, N. G., Place, A., Nielsen, K. F., Hansen, Per Juel & Larsen, T. O., 5 Apr 2017, In: Journal of Natural Products. 80, 5, p. 1287−1293 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
Trophic cascades of bottom-up and top-down forcing on nutrients and plankton in the Kattegat, evaluated by modelling
Petersen, M. E., Maar, M., Larsen, J., Møller, E. F. & Hansen, Per Juel, May 2017, In: Journal of Marine Systems. 169, p. 25-39 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 33-41Research 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
- Published
Resilience to temperature and pH changes in a future climate change scenario in six strains of the polar diatom Fragilariopsis cylindrus
Pančić, M., Hansen, Per Juel, Tammilehto, A. & Lundholm, Nina, 2015, In: Biogeosciences. 12, p. 4235-4244 10 p., 12.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mass entrapment and lysis of Mesodinium rubrum cells in mucus threads observed in cultures with Dinophysis
Ojamäe, K., Hansen, Per Juel & Lips, I., 2016, In: Harmful Algae. 55, p. 77-84 8 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
Dyreplankton i danske farvande (Tema-rapport DMU 28)
Nielsen, T. G. & Hansen, Per Juel, 1999, National Environmental Research Institute. 64 p. (Tema-rapport).Research output: Book/Report › Report › Research
- 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
- 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
- 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
Production and excretion of okadaic acid, pectenotoxin-2 and a novel dinophysistoxin from the DSP-causing marine dinoflagellate Dinophysis acuta – effects of light, food availability and growth phase
Nielsen, L. T., Krock, B. & Hansen, Per Juel, 2013, In: Harmful Algae. 23, p. 34-45 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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
Accumulation, transformation and breakdown of DSP toxins from the toxic dinoflagellate Dinophysis acuta in blue mussels, Mytilus edulis
Nielsen, L. T., Hansen, Per Juel, Krock, B. & Vismann, Bent, 2016, In: Toxicon. 117, p. 84-93 10 p.Research 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
- 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
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
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
Microplastic pollution associated with reduced respiration in seagrass (Zostera marina L.) and associated epiphytes
Molin, J. M., Groth-Andersen, W. E., Hansen, Per Juel, Kühl, Michael & Brodersen, Kasper Elgetti, 2023, In: Frontiers in Marine Science. 10, 14 p., 1216299.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Loss of phototaxis and degeneration of an eyespot in long-term algal cultures: evidence from ultrastructure and behaviour in the dinoflagellate Kryptoperidinium foliaceum
Moldrup, M., Moestrup, Øjvind & Hansen, Per Juel, 2013, In: Journal of Eukaryotic Microbiology. 60, 4, p. 327–334 8 p.Research 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
Studies on the genus Mesodinium I: ultrastructure and description of Mesodinium chamaeleon n.sp., a benthic marine species with green and red chloroplasts
Moestrup, Øjvind, Garcia-Cuetos, L., Hansen, Per Juel & Fenchel, Tom, 2012, In: Journal of Eukaryotic Microbiology. 59, 1, p. 20-39 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The dinoflagellates Pfiesteria shumwayae and Luciella masanensis cause fish kills in recirculation fish farms in Denmark
Moestrup, Øjvind, Hansen, Gert, Daugbjerg, Niels, Lundholm, Nina, Overton, J., Vestergård, M., Steenfeldt, S. J., Calado, A. J. & Hansen, Per Juel, 2014, In: Harmful Algae. 32, p. 33-39 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On the occurrence of the potentially toxic dinoflagellates Alexandrium tamarense (=Gonyaulax excavata) and Alexandrium ostenfeldii in Danish and Faroese waters
Moestrup, Ø. & Hansen, Per Juel, 1988, In: Marine Biology Research. 28, p. 195-213Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The role of mixotrophic protists in the biological carbon pump
Mitra, A., Flynn, K. J., Burkholder, J. M., Berge, T., Calbet, A., Raven, J. A., Graneli, E., Glibert, P. M., Hansen, Per Juel, Stoecker, D. K., Thingstad, F., Tillmann, U., Våge, S. & Zubkov, M. V., 2014, In: Biogeosciences. 11, p. 995-1005 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Defining planktonic protist functional groups on mechanisms for energy and nutrient acquisition: incorporation of diverse mixotrophic strategies
Mitra, A., Flynn, K. J., Tillmann, U., Raven, J. A., Caron, D., Stoecker, D. K., Hansen, P. J., Hallegraeff, G., Sanders, R., Wilken, S., Mcmanus, G., Johnson, M., Pitta, P., Våge, S., Berge, T., Calbet, A., Thingstad, F., Jeong, H. J., Burkholder, J., Glibert, P. M. & 2 others, , 2016, In: Protist. 167, 2, p. 106-120 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Mixoplankton Database (MDB): Diversity of photo‐phago‐trophic plankton in form, function, and distribution across the global ocean
Mitra, A., Caron, D. A., Faure, E., Flynn, K. J., Leles, S. G., Hansen, Per Juel, McManus, G. B., Not, F., Rosario Gomes, H. D., Santoferrara, L. F., Stoecker, D. K. & Tillmann, U., 2023, In: Journal of Eukaryotic Microbiology. 70, 4, 25 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A guide for field studies and environmental monitoring of mixoplankton populations
Mitra, A. (ed.), Gypens, N. (ed.), Hansen, Per Juel (ed.) & Flynn, K. J. (ed.), 2021, Zenodo.Research output: Book/Report › Report › 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
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
The coupling between irradiance, growth, photosynthesis and prymnesin cell quota and production in two strains of the bloom-forming haptophyte, Prymnesium parvum
Medic, Nikola, Varga, E., van der Waal, D. B., Larsen, T. O. & Hansen, Per Juel, 2022, In: Harmful Algae. 112, 8 p., 102173.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
- Published
Ecophysiological traits of mixotrophic Strombidium spp.
Maselli, Maira, Altenburger, A., Stoecker, D. K. & Hansen, Per Juel, 2020, In: Journal of Plankton Research. 42, 5, p. 485-496 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Retention of Prey Genetic Material by the Kleptoplastidic Ciliate Strombidium cf. basimorphum
Maselli, Maira, Anestis, K., Klemm, K., Hansen, Per Juel & John, U., 2021, In: Frontiers in Microbiology. 12, 8 p., 694508.Research 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
- E-pub ahead of print
Carbon and nitrogen uptake through photosynthesis and feeding by photosymbiotic Acantharia
Mansour, J. S., Hansen, Per Juel, Leroux, C. & Not, F., 2023, (E-pub ahead of print) In: Open Research Europe.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 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
- 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
Metabolic and physiological changes in Prymnesium parvum when grown under, and grazing on prey of, variable nitrogen: phosphorus stoichiometry
Lundgren, V. M., Glibert, P. M., Graneli, E., Vidyarathna, N. K., Fiori, E., Ou, L., Flynn, K. J., Mitra, A., Stoecker, D. K. & Hansen, Per Juel, 2016, In: Harmful Algae. 55, p. 1-12 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Oceanic protists with different forms of acquired phototrophy display contrasting biogeographies and abundance
Leles, S., Mitra, A., Flynn, K. J., Stoecker, D. K., Hansen, Per Juel, Calbet, A., McManus, G. B., Sanders, R. W., Caron, D. A., Not, F., Hallegraeff, G. M., Pitta, P., Raven, J. A., Johnson, M. D., Glibert, P. M. & Våge, S., 16 Aug 2017, In: Proceedings of the Royal Society B: Biological Sciences. 284, 1860, 6 p., 20170664.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sampling bias misrepresents the biogeographical significance of constitutive mixotrophs across global oceans
Leles, S., Mitra, A., Flynn, K. J., Tillmann, U., Stoecker, D., Jeong, H. J., Burkholder, J., Hansen, Per Juel, Caron, D. A., Glibert, P. M., Hallegraeff, G., Raven, J. A., Sanders, R. W. & Zubkov, M., 2019, In: Global Ecology and Biogeography. 28, 4, p. 418–428 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tang
Larsen, J. G. & Hansen, Per Juel, 2020, Natur og Museum. Hansen, M. DD. & Bøgh, L. (eds.). 3 ed. Aarhus: Naturhistorisk Museum, Vol. 59. 39 p. (Natur og Museum).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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
Development of a LC-MS/MS method for the quantification of goniodomins A and B and its application to Alexandrium pseudogonyaulax strains and plankton field samples of Danish coastal waters
Krock, B., Tillmann, U., Wen, Y., Hansen, Per Juel, Larsen, T. O. & Andersen, A. J. C., 2018, In: Toxicon. 155, p. 51-60 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Distributions of three Alexandrium species and their toxins across a salinity gradient suggest an increasing impact of GDA producing A. pseudogonyaulax in shallow brackish waters of Northern Europe
Kremp, A., Hansen, Per Juel, Tillmann, U., Savela, H., Suikkanen, S., Voß, D., Barrera, F., Jakobsen, H. H. & Krock, B., 2019, In: Harmful Algae. 87, 14 p., 101622.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dynamics of sequestered cryptophyte nuclei in Mesodinium rubrum during starvation and refeeding
Kim, M., Drumm, Kirstine, Daugbjerg, Niels & Hansen, Per Juel, 21 Mar 2017, In: Frontiers in Microbiology. 8, 14 p., 423.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 proceeding › Book chapter › Research
- Published
Mesodinium rubrum: the symbiosis that wasn’t
Johnson, M. D., Lasek-Nesselquist , E., Moeller, H. V., Altenburger, A., Lundholm, Nina, Kim, M., Drumm, Kirstine, Moestrup, Øjvind & Hansen, Per Juel, 14 Feb 2017, In: Proceedings of the National Academy of Sciences of the United States of America. 114, 7, p. E1040-E1042 3 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Long-read genome sequencing provides novel insights into the harmful algal bloom species Prymnesium parvum
Jian, J., Wu, Z., Silva-núñez, A., Li, X., Zheng, X., Luo, B., Liu, Y., Fang, X., Workman, C. T., Larsen, T. O., Hansen, Per Juel & Sonnenschein, E. C., 2024, In: Science of the Total Environment. 908, 168042.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
Prey size selection, grazing and growth response of the small heterotrophic dinoflagellate Gymnodinium sp. and the ciliate Balanion comatum - a comparative study
Jakobsen, H. H. & Hansen, Per Juel, 1997, In: Marine Ecology Progress Series. 158, 1, p. 75-86 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 121-128Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prey size selection, grazing and growth response of the small heterotrophic dinoflagellate Gymnodinium sp. and the ciliate Balanion comatum - a comparatiteve study
Jakobsen, H. H. & Hansen, Per Juel, 1997, In: Marine Ecology - Progress Series. 158, p. 75-86Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Metabolic Reliance on Photosynthesis Depends on Both Irradiance and Prey Availability in the Mixotrophic Ciliate, Strombidium cf. basimorphum
Hughes, E. A., Maselli, Maira, Sørensen, Helle & Hansen, Per Juel, 2021, In: Frontiers in Microbiology. 12, 12 p., 642600.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 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
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
ID: 10120
Most downloads
-
1696
downloads
The role of mixotrophic protists in the biological carbon pump
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
975
downloads
Resilience to temperature and pH changes in a future climate change scenario in six strains of the polar diatom Fragilariopsis cylindrus
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
210
downloads
Functional ecology of aquatic phagotrophic protists–concepts, limitations, and perspectives
Research output: Contribution to journal › Journal article › Research › peer-review
Published