Niels Daugbjerg Lab

Presentation of research interests
















Current lab members

Post docs

Mariska Brady (2018-2021)

Population genetics of marine phytoplankton and the importance of small scale gradients

Master students

Søren Steenholdt  (2021-2022)

Bachelor students

Former lab members

Post docs

Lisa Eckford-Soper (2014-2016)

Detection and enumeration of fish killing microalgae using real-time quantitative PCR.

PhD students

Nikolaj Sørensen (2011-2014)

Marine picoeukaryotes in cold water: diversity ad ecology.

Terje Berge (2009-2011)

Functional diversity of marine protists - evidence from culture experiments.

Normawaty Mohammad-Noor (2003-2006)

Diversity of marine benthic dinoflagellates from Malaysia with emphasis on phylogeny, ultrastructure and toxicity of Prorocentrales. 

Master students (26 students, 25 projects)

Katja Ravn van Overeem (2020-2021)

High resilience to future changes in temperature and pH in a Greenlandic and Danish strain of the cryptophyte Rhodomonas marina.


Julie Egeland Andersen (2020-2021)

Revisiting the marine nano flagellate Ankylochrysis lutea (Pelagophyceae): a study of an Arctic strain based on light and electron microscopy, pigment profile, phylogeny and autecology.


Cecilie Borch Devantier (2020-2021)

A holistic study of the marine cold-water cryptophyte Rhodomonas marina.


Rune Stefan Jensen (2018-2020)

Heterogeneity in phytoplankton compositions in the Baltic & North Seas transition zone - a metabarcoding assessment


Emilie Hejlesen (2017-2019)

Effects of silica and salinities on growth rates and intracellular toxin content of Pseudo-nitzschia australis and Pseudo-nitzschia plurisecta from the Benguela Upwelling System.

Lykke Laura Hansen (2016-2017)

Impact of a frontal zone on abundance and distribution of selected phytoplankton species in the North Sea.

Pernille Møller Rusterholz (2015-16)

Evolutionary transition towards permanent chloroplasts? - division of kleptochloroplasts in starved cells of two species of Dinophysis (Dinophyceae).

Pernille Vængebjerg Boutrup (2015-16)

Ultrastructure and phylogeny of Kirithra asteri gen. et sp. nov. (Ceratoperidiniaceae, Dinophyceae) - an unarmoured marine photosynthetic dinoflagellate from Argentina.

Nicole Salmansen (2015-16)

Short term changes in the fatty acid composition of sea ice algae related to an increased under sea ice irradiance.

Andreas Norlin (2015-16)

Description of an Arctic cryptophyte Drepomonas frigidus gen. et sp. nov. (CCMP 2045) based on light and electron microscopy, SSU rDNA sequences and influence of temperature, salinity and light intensity on growth rates.

Maria Laugmann Laubacher (2013-2014)

Physiology and phylogeny of Prymnesium parvum (Prymnesiophyceae), including detection and fast enumeration using real time qPCR.

Kirstine Drumm (2012-2013)

Retention and role of kleptochloroplasts - a taxonomical, morphological and ecophysiological study on a new blue-green dinoflagellate Gymnodinium decipiens sp. nov. (Gymnodiniales, Dinophyceae).

Mette Liebst-Olsen (2012-2013)

Retention and role of kleptochloroplasts - a taxonomical, morphological and ecophysiological study on a new blue-green dinoflagellate Gymnodinium decipiens sp. nov. (Gymnodiniales, Dinophyceae).

Hannah Blossom (2010-2011)

Toxic mucus traps mediate prey uptake in the mixotrophic dinoflagellate Alexandrium pseudogonyaulax.


Nikolaj Sørensen (2009-2010)

Molecular diversity and temporal variation of picoeukaryotes in two Arctic fjords, Svalbard.


Claus Baggesen (2007-2008)

Investigations of a harmful algal species from Western Greenland - a study of Alexandrium tamarense (Dinophyceae) strains based on morphology, LSU rDNA sequences and toxin profiles.


Maria Hastrup Jensen (2007-2008)

Molecular phylogeny and evolutionary history of selected members of Dinophysiales (Dinophyceae) from the Indian Ocean - a study based on LSU rDNA and light microscopy.


Morten Wiuf (2006-2007

Analysis of the genus Microcystis (Cyanophyceae) and the development of probes to detect toxic populations.


Sarah Christensen (2005-2006)

Potential toxic cyanobacteria (blue-green algae) in drinking water reservoirs of Ho Chi Minh City, Vietnam - a study based on light microscopy, ELISA, HPLC, and molecular phylogeny inferred from phycosyanin gene sequence analyses.


Heidi Egø Kryl (2004-2005)

Phylogeny of Raphidophyceae.


Trine Bergholtz (2003-2004)

Studies on the genus Karlodinium (Dinophyceae) based on light and electron microscopy, LSU rDNA sequences and pigment composition - including a description of Karlodinium armiger sp. nov., Karlodinium veneficum (syn. K. micrum) and Kareniaceae fam. nov.


Camilla J. Johannsen (2003-2004)

Studies on growth and toxicity of Protoceratium reticulatum (Dinophyceae) based on different nitrogen sources and temperature regimes - including analysis of intraspecific variation based on ITS sequences.


Karin Lindberg (2003-2004)

A study of the freshwater dinoflagellate genus Woloszynskia (Dinophyceae) Thompson.


Lars Erting (2002-2003)

Genetic variation within and between four species of Laminaria (Phaeophyceae) - analysed using amplified fragment length polymorphism (AFLP) and DNA sequencing.


Karin E. Ulstrup (2001-2002)

Spatial and temporal diversity in Symbiodinium communities in Acropora spp. and their photo-physiological properties.

Mårten Flø Jørgensen (2001-2002)

A taxonomic study of species belonging to the genus Amphidinium (Dinophyceae) Claparède and Lachman based on comparative morphological and molecular phylogenetic analyses.


Charlotte Boesen (1999-2000)

Taxonomy of naked dinoflagellates living in sea ice and the water column below in the Ross Sea, Antarctica. 


Marie Gammelgaard (1999-2000) 

Marine phytoplankton in open polar waters with emphasis on scale- and lorica-bearing forms - qualitative and quantitative aspects. 


External Master students

Helene Bachmann (2014-15)

The presence of Emiliania huxleyi between Bermuda and the Azores, with regards to concentrations of chosen ionic species and exploration of the concept of salinity.

Bachelor students (18 students, 16 projects)

Anja Annine Holm (2021)

The impact of light and bacteria on the growth rate of a marine Arctic unidentified chrysophyte.


Amanda Bordrup Pedersen (2021)

Analyse af Danmarks forvaltning af makroalger i forhold til kyst- og økosystembeskyttelse.

Stine Zander Hagen (2020)

A review of the impact of microplastics in the marine ecosystem and a suggestion to a study examining the influence of microplastic concentrations on the growth potential of a diatom.

Sebastian Andersen (2017)

Feeding observed in the dinoflagellate Prorocentrum minimum under optimum irradiance levels and nutrient replete conditions

Maria Marjunardóttir Dahl (2016)

Development of qPCR assays for the fast gender determination in Atlantic salmon (Salmo salar) including considerations of the genomic instability of the sex-determining locus.

Frederik Frøsig Gai  (2015)

Effects of pH and temperature on growth rates of the Arctic pelagophyte CCMP2097 - novel approach to control experimental temperatures in ecophysiological studies of microalgae.

Cecilie Kirketerp Hedemand (2015)

Effects of pH and temperature on growth rates of the Arctic pelagophyte CCMP2097 - novel approach to control experimental temperatures in ecophysiological studies of microalgae.

Nicole Salmansen (2014)

Effect of changes in temperature and salinity on the growth rate of the arctic green alga Pyramimonas quadrifolia. [In Danish].

Kristina Christensen (2014)

Peridinella danica - a heterotrophic dinoflagellate with secondary loss of chloroplast, perhaps the first in the family Peridinales.

Pernille Vængebjerg Boutrup (2013)

Ultrastructure and molecular studies of Katodinium glaucum, a marine heterotrophic dinoflagellate. [In Danish].

Nicolai Andreas Munk Fassel (2013)

Description of Pyramimonas tatianae sp. nov. (Prasinophyceae) from Golden Hope Bay (East Russia) based on light and electron microscopy and phylogeny inferred from rbcL sequences.

Stefan Ayari Hansen (2013)

Phylogeny of small-sized Phalacroma species from Denmark strait (East Greenland)

Nina Christensen (2010)

LUCA, from hypothesis to modern research. [In Danish].

Maria Laugmann Laubacher and (2010)

Effects of pH on growth rates and production in Karlodinium veneficum (Dinophyceae) [in Danish].

Tine Bædkel (2010)

Effects of pH on growth rates and production in Karlodinium veneficum (Dinophyceae) [in Danish].


Maria Lund Paulsen (2009)

Impact of climate change cyanobacterial blooms in the Baltic Sea: a review.


Mikkel Kruse Olsen (2008)

A euglenophyte from Ikka columns in the Ikka Fjord, South-Western Greenland: an attempt at identification and elucidating phylogenetic relationships [in Danish].

Maria Hastrup Jensen (2005)

Taxonomic revision of the Peridinium willei species complex (Dinophyceae) - a study based on light and scanning electron microscopy and partial LSU rDNA sequences. [In Danish].

Project outside course scope (PUK)

Stine Zander Hagen (2021)

The influence of different concentrations of LDPE microplastic on the growth rate and photosynthetic efficiency of the marine centric diatom Coscinodiscus granii.

Emilie Frederikke K. Henningsen (2020)

Autecology and scale morphology of the Arctic nanoflagellate Pyramimonas australis - the first bipolar marine green alga.

Emilie Hejlesen (2017)

Studies on three species of epizoic diatoms on copepods Temora longicornis and Centropages typicus from the North Sea.

Sebastian Andersen (2017) 

A review of 5 commonly investigated drivers and their importance for phytoplankton bloom formation.

Frederik Frøsig Gai and Cecilie Kirketerp Hedemand (2016)

The effect of pH, temperature and salinity on the growth rate of an arctic pelagophyte CCMP 2098 - including the introduction of a novel method for temperature conrtrol in autecological studies of phytoplankton.















































Name Title Phone E-mail
Niels Daugbjerg Associate Professor +4535331830 E-mail


Associate Professor Niels Daugbjerg
Universitetsparken 4, 1st floor
DK-2100 Copenhagen Ø
Phone: +45 35 33 18 30
Mobile: +45 42 43 00 09

External members

Name Title Phone E-mail
Mariska Brady Post doc  +45 353-20566