Niels Daugbjerg

Associate Professor

Marine Biology
Strandpromenaden 5
3000 Helsingør
- n.daugbjerg@bio.ku.dk
- https://www.bio.ku.dk/staff/ndaugbjerg
- https://www.bio.ku.dk/staff/ndaugbjerg
Phone: +4535331830Mobile: +4542430009

ORCID: 0000-0002-0397-3073

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Published
Microscopy and phylogeny of Pyramimonas tatianae sp. nov. (Pyramimonadales, Chlorophyta), a scaly quadriflagellate from Golden Horn Bay (eastern Russia) and formal description of Pyramimonadophyceae classis nova
Daugbjerg, Niels, Fassel, N. M. D. & Moestrup, Øjvind, 2020, In: European Journal of Phycology. 55, 1, p. 49-63
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Overraskende fund indenfor tropiske furealger i det Indiske Ocean - ny grundtype?.
Daugbjerg, Niels & Hastrup Jensen, M., 2008. 1 p.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Cryptic diversity of small-sized species of Phalacroma (Dinophysales, Dinophyceae) from Denmark Strait (Eastern Arctic Greenland)
Daugbjerg, Niels, Hansen, S. A. & Richardson, Katherine, 2019, In: Phycological Research. 67, 3, p. 244-249
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Kiselalger
Daugbjerg, Niels & Jensen, K. G., 2006, Arktisk Station 1906 - 2006. København: Projekt EDB I Undervisningen, p. 268-274
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
Published
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
Published
Examination of six commonly used laboratory fixatives in HAB monitoring programs for their use in quantitative PCR based on Taqman probe technology
Eckford-Soper, L. K. & Daugbjerg, Niels, 2015, In: Harmful Algae. 42, p. 52-59 8 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The ichthyotoxic genus Pseudochattonella (Dictyochophyceae) : distribution, toxicity, enumeration, ecological impact, succession and life history – A review
Eckford-Soper, L. K. & Daugbjerg, Niels, 2016, In: Harmful Algae. 58, p. 51-58 8 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Interspecific competition study between Pseudochattonella farcimen and P. verruculosa (Dictyochophyceae) - two ichthyotoxic species that co-occur in Scandinavian waters.
Eckford-Soper, L. K. & Daugbjerg, Niels, 2017, In: Microbial Ecology. 73, 2, p. 259-270 12 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Development of a multiplex real-time qPCR assay for simultaneous enumeration of up to four marine toxic bloom-forming microalgal species
Eckford-Soper, L. K. & Daugbjerg, Niels, 2015, In: Harmful Algae. 48, p. 37-43 7 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
A quantitative real-time PCR assay for identification and enumeration of the occasionally co-occurring ichthyotoxic Pseudochattonella farcimen and P.verruculosa (Dictyochophyceae) and analysis of variation in gene copy numbers during the growth phase of single and mixed cultures
Eckford-Soper, L. K. & Daugbjerg, Niels, 2016, In: Journal of Phycology. 52, 2, p. 174-183 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Phylogeny of Heteromita, Cercomonas and Thaumatomonas based on SSU rDNA sequences, including the description of Neocercomonas jutlandica sp. nov., gen nov.
Ekelund, Flemming, Daugbjerg, Niels & Fredslund, L., 2004, In: European Journal of Protistology. 40, p. 119-135
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Scandinavian Culture Collection of Algae and Protozoa. Abstracts, Culture Collections of Algae: increasing accessibility and exploring Algal Biodiversity, September 2-6, Göttingen, Germany
Ellegaard, Marianne, Larsen, N. H., Daugbjerg, Niels, Pedersen, P. M. & Moestrup, Øjvind, 2002.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Morphological and LSU & dna sequence variation within the Gonyaulax spinifera/spiniferites- group (Dinophyceae) and proposal of Gonyaulax elongata comb. nov. and G. membranaceae comb. nov.
Ellegaard, Marianne, Daugbjerg, Niels, Rochon, A., Lewis, J. & Harding, I., 2003, In: Phycologia. 42(2), p. 151-164
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The Scandinavian Culture Center for Algae and Protozoa
Ellegaard, Marianne, Larsen, N. H., Daugbjerg, Niels, Pedersen, P. M. & Moestrup, Øjvind, 2004, In: Nova Hedwigia: Zeitschrift für Kryptogamenkunde. 79(1-2), p. 93-98
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Nucleotide diversity within and between four species of Laminaria (Phaeophyceae) analysed using partial LSU and ITS rDNA sequences and AFLP
Erting, L., Daugbjerg, Niels & Pedersen, P. M., 2004, In: European Journal of Phycology. 39, p. 243-256
Research output: Contribution to journal › Journal article › 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
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
Published
Studies on the complex Warnowiaceae (Dinophyceae) I. Lohmann’s Pouchetia parva refound and renamed Nematodinium parvum comb. nov. (= Warnowia parva)
García Portela, M., Moestrup, Øjvind, Daugbjerg, Niels, Altenburger, A. & Lundholm, Nina, 2023, In: Phycologia. 62, 5, p. 421-435 15 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The influence of copepod and krill grazing on the species composition of phytoplankton communities from the Scotia-Weddell Sea.
Granéli, E., Granéli, W., Rabbani, M. M., Daugbjerg, Niels, Fransz, G., Cuzin-Roudy, J. & Alder, V. A., 1993, In: Polar Biology. 13, p. 201-213
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Baldinia anauniensis gen. et sp. nov.: a 'new' dinoflagellate from Lake Tovel, N. Italy.
Hansen, Gert, Daugbjerg, Niels & Henriksen, P., 2007, In: Phycologia. 46, 1, p. 86-108
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Baldinia droopii sp. nov. (Suessiales, Dinophyceae), a new species from a small rainwater rock pool near Tvarminne, south-western Finland
Hansen, Gert, Daugbjerg, Niels & Moestrup, Øjvind, 2023, In: Phycologia. 62, 1, 15 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Species concepts of the genus Alexandrium with special emphasis on Alexandrium minutum and related species
Hansen, Gert, Daugbjerg, Niels & Franco, J. M., 2003.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Moestrupia oblonga gen. et comb. nov. (syn.: Gyrodinium oblongum), a new marine dinoflagellate genus characterized by light and electron microscopy, photosynthetic pigments and LSU rDNA sequence
Hansen, Gert & Daugbjerg, Niels, 2011, In: Phycologia. 50, 6, p. 583-599 17 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Morphology, toxin composition and LSU rDNA phylogeny of Alexandrium minutum (Dinophyceae) from Denmark, with some morphological observations on other European strains
Hansen, Gert, Daugbjerg, Niels & Franco, J. M., 2003, In: Harmful Algae. 2, 4, p. 317-335
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Karenia selliformis responsible for the fish-kills in the Gulf of Gabès, Tunisia 1994
Hansen, Gert, Erard-Le Denn, E., Daugbjerg, Niels & Rodriguez, F., 2004.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Symbiodinium natans sp. nov. a "free-living" dinoflagellate from Tenerife (Northeast-Atlantic Ocean)
Hansen, Gert & Daugbjerg, Niels, 2009, In: Journal of Phycology. 45, 1, p. 251-263 13 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
The Rainwater Rock-pool Dinoflagellate Nottbeckia ochracea gen. et comb. nov (syn.: Hemidinium ochraceum) - A Fine-structural and Molecular Study with Emphasis on the Motile Stage
Hansen, Gert, Daugbjerg, Niels & Moestrup, Øjvind, 2018, In: Protist. 169, 2, p. 280-306 27 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Comparative study of Gymnodinium mikimotoi and Gymnodinium aureolum comb. nov. (= Gyrodinium aureolum) based on morphology, pigment composition, and molecular data.
Hansen, Gert, Daugbjerg, Niels & Henriksen, P., 2000, In: Journal of Phycology. 36, 2, p. 394-410 17 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Ultrastructure of Gyrodinium spirale, the type species of Gyrodinium (Dinophyceae), including a phylogeny of G. dominans, G. rubrum and G. spirale deduced from partial LSU rDNA sequences
Hansen, Gert & Daugbjerg, Niels, 2004, In: Protist. 155, p. 271-294
Research output: Contribution to journal › Journal article › Research › peer-review
Published
A survey of toxic epibenthic dinoflagellates species from Ria de Averio (Portugal).
Hinzmann, M., Craveiro, S., Calado, A. J., Moestrup, Øjvind & Daugbjerg, Niels, 2004. 1 p.
Research output: Contribution to conference › Conference abstract for conference › Research
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
Molecular phylogeny of selected species of the order Dinophysiales (Dinophyceae) - testing the hypothesis of a Dinophysioid radiation.
Jensen, M. H. & Daugbjerg, Niels, 2009, In: Journal of Phycology. 45, 5, p. 1136-1152
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Studies on growth rates and toxicity of Protoceratium reticulatum (Dinophyceae) based on different nitrogen sources, including characterization of genotypes using ITS sequences.
Johannesen, C. J., Daugbjerg, Niels & Moestrup, Øjvind, 2004. 1 p.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Systematics and phylogeny of Amphidinium (Dinophyceae) with re-examination of the type species and emendation of the genus based on morphological and molecular data
Jørgensen, M. F., Murray, S. & Daugbjerg, Niels, 2003.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
A new genus of athecate interstitial dinoflagellates, Togula gen. nov., previously encompassed within Amphidinium sensu lato: Inferred from light and electron microscopy and phylogenetic analyses of partial large subunit ribosomal DNA sequences
Jørgensen, M. F., Murray, S. & Daugbjerg, Niels, 2004, In: Phycological Research. 52, 3, p. 284-299
Research output: Contribution to journal › Journal article › Research › peer-review
Published
AMPHIDINIUM REVISITED. I. REDEFINITION OF AMPHIDINIUM (DINOPHYCEAE) BASED ON CLADISTIC AND MOLECULAR PHYLOGENETIC ANALYSES
Jørgensen, M. F., Murray, S. & Daugbjerg, Niels, 2004, In: Journal of Phycology. 40, 2, p. 351-365
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
An overview of the Gonyaulacales. Abstracts, 10th International Conference on Harmful Algae, October 20^th25^th, Florida, USA
Lewis, J., Ellegaard, Marianne, Rochon, A., Harding, I., Daugbjerg, Niels, Fensome, R. & Taylor, M., 2002.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Spiniferites vs. Gonyaulax: a proposal to resolve the dual nomenclature (kongresberetning)
Lewis, J., Ellegaard, Marianne, Rochon, A., Harding, I. D. & Daugbjerg, Niels, 2001, In: Phycologia. 40[suppl]:7, p. 1
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Studies on woloszynskioid dinoflagellates I: Woloszynskia coronata re-examined using light and electron microscopy and partial LSU rDNA sequences, with description of Tovellia gen. nov. and Jadwigia gen. nov. (Tovelliaceae fam. nov.)
Lindberg, K. C. R., Moestrup, Øjvind & Daugbjerg, Niels, 2005, In: Phycologia. 44, 4, p. 416-440
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Recent evolutionary diversification of a protist lineage.
Logares, R., Daugbjerg, Niels, Boltovskoy, A., Kremp, A., Laybourn-Parry, J. & Rengefors, K., 2008, In: Environmental Microbiology. 10, 5, p. 1231-1243
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Phylogeny of the Bacillariaceae with emphasis on Pseudo-nitzschia. (Kongresberetning)
Lundholm, N., Daugbjerg, Niels, Moestrup, Øjvind, Hoef-Emden, K. & Melkonian, M., 2001, In: Phycologia. 40[suppl]:7, p. 1
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Phylogeny of the Bacillariaceae with emphasis on the genus Pseudo-nitzschia (Bacillariophyceae) based on partial LSU rDNA.
Lundholm, Nina, Daugbjerg, Niels & Moestrup, Øjvind, 2002, In: European Journal of Phycology. 37, p. 115-134
Research output: Contribution to journal › Journal article › Research › peer-review
Published
A tribute to Øjvind Moestrup on his 70th year.
Lundholm, Nina & Daugbjerg, Niels, 2011, In: Phycologia. 50, 6, p. 576-582 7 p.
Research output: Contribution to journal › Editorial › Research
Published
Growth rates of three geographically separated strains of the ichthyotoxic Prymnesium parvum (Prymnesiophyceae) in response to six different pH levels
Lysgaard, M. L., Eckford-Soper, L. & Daugbjerg, Niels, 2018, In: Estuarine, Coastal and Shelf Science. 204, p. 98-102 5 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Fine structure of silicoflagellate double skeletons
McCartney, K., Witkowski, J., Jordan, R. W., Daugbjerg, Niels, Malinverno, E., van Wezel, R., Kano, H., Abe, K., Scott, F., Schweizer, M., Young, J. R., Hallegraeff, G. M. & Shiozawa, A., 2014, In: Marine Micropaleontology. 113, p. 10-19 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Suessiales, a major order of extant dinoflagellates?
Moestrup, Øjvind, Daugbjerg, Niels, Ellegaard, Marianne, Hansen, Gert & Lindberg, K., 2003.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Phylogeny and evolution of the dinoflagellates
Moestrup, Øjvind & Daugbjerg, Niels, 2006. 1 p.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
Studies on woloszynskioid dinoflagellates III: on the ultrastructure and phylogeny of Borghiella dodgei gen. et sp nov., a cold-water species from Lake Tovel, N. Italy, and on B-tenuissima comb. nov (syn. Woloszynskia tenuissima)
Moestrup, Øjvind, Hansen, Gert & Daugbjerg, Niels, 2008, In: Phycologia. 47, 1, p. 54-78 15 p.
Research output: Contribution to journal › Journal article › Research › peer-review
Published
Studies on woloszynskioid dinoflagellates IX: ultrastructure, cyst formation and phylogeny of the ‘red-snow’ alga Borghiella pascheri (Suchlandt) Moestrup (= Glenodinium pascheri, Woloszynskia pascheri, Gyrodinium nivalis).
Moestrup, Øjvind, Nicholls, K. C. & Daugbjerg, Niels, 2018, In: European Journal of Phycology. 53, 3, p. 393-409 17 p.
Research output: Contribution to journal › Journal article › Research › peer-review

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Potential harmful cyanobacteria in drinking water reservoirs of Ho Chi Minh City, Vietnam - toxicity and molecular phylogeny.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
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Pseudanabaena cf. moniliformis, a new toxic cyanobacterium from Vietnam.
Research output: Contribution to conference › Conference abstract for conference › Research
Published
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Phylogeny of some of the major genera of dinoflagellates based on ultrastructure and partial LSU rDNA sequence data, including the erection of 3 new genera of unarmoured dinoflagellates.
Research output: Contribution to journal › Journal article › Research › peer-review
Published