Marianne Ellegaard

Marianne Ellegaard

External Lecturer


  1. 2021
  2. Published

    Frustule Photonics and Light Harvesting Strategies in Diatoms

    Goessling, J. W., Su, Y., Kühl, Michael & Ellegaard, Marianne, 2021, Diatom Morphogenesis. Wiley, p. 269-300 32 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  3. 2020
  4. Published

    Dead or alive: sediment DNA archives as tools for tracking aquatic evolution and adaptation

    Ellegaard, Marianne, Clokie, M. R. J., Czypionka, T., Frisch, D., Godhe, A., Kremp, A., Letarov, A., McGenity, T. J., Ribeiro, S. & Anderson, N. J., 2020, In: Communications Biology . 3, 1, 11 p.

    Research output: Contribution to journalReviewResearchpeer-review

  5. 2018
  6. Published

    Pentaplacodinium saltonense gen. et sp. nov. (Dinophyceae) and its relationship to the cyst-defined genus Operculodinium and yessotoxin-producing Protoceratium reticulatum

    Mertens, K. N., Carbonell-Moore, M. C., Pospelova, V., Head, M. J., Highfield, A., Schroeder, D., Gu, H., Andree, K. B., Fernandez, M., Yamaguchi, A., Takano, Y., Matsuoka, K., Nézan, E., Bilien, G., Okolodkov, Y., Koike, K., Hoppenrath, M., Pfaff, M., Pitcher, G., Al-Muftah, A. & 5 others, Rochon, A., Lim, P. T., Leaw, C. P., Lim, Z. F. & Ellegaard, Marianne, 2018, In: Harmful Algae. 71, p. 57-77 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Differences in the optical properties of valve and girdle band in a centric diatom

    Gössling, J. W., Su, Y., Maibohm, C., Ellegaard, Marianne & Kühl, Michael, 2018, In: Interface Focus. 9, 1, 20180031.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Effects of abiotic factors on the nanostructure of diatom frustules-ranges and variability

    Su, Y., Lundholm, Nina & Ellegaard, Marianne, 2018, In: Applied Microbiology and Biotechnology. 102, 14, p. 5889-5899 2 p.

    Research output: Contribution to journalReviewResearchpeer-review

  9. Published

    Global patterns in phytoplankton biomass and community size structure in relation to macronutrients in the open ocean

    Mousing, E. A., Richardson, Katherine & Ellegaard, Marianne, 2018, In: Limnology and Oceanography. 63, 3, p. 1298-1312 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Linking biological and geological data on dinoflagellates using the genus Spiniferites as an example: the implications of species concepts, taxonomy and dual nomenclature

    Ellegaard, Marianne, Head, M. J. & Versteegh, G. J. M., 2018, In: Palynology. 42, Suppl. 1, p. 221-230

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Patterns in the form of formative feedback and student response

    Ellegaard, Marianne, Damsgaard, L., Bruun, Jesper & Johannsen, B. F., 2018, In: Assessment and Evaluation in Higher Education. 43, 5, p. 727-744 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Spring Succession and Vertical Export of Diatoms and IP25 in a Seasonally Ice-Covered High Arctic Fjord

    Limoges, A., Masse, G., Weckstrom, K., Poulin, M., Ellegaard, Marianne, Heikkila, M., Geilfus, N., Sejr, M. K., Rysgaard, S. & dos Santos Ribeiro, Sofia Isabel, 2018, In: Frontiers in Earth Science. 6, 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Structure-based optics of centric diatom frustules: modulation of the in vivo light field for efficient diatom photosynthesis

    Gössling, J. W., Su, Y., Sousa Dias Cartaxana, P. J., Maibohm, C., Rickelt, L. F., Trampe, Erik, Walby, S. L., Wangpraseurt, D., Wu, X., Ellegaard, Marianne & Kühl, Michael, 2018, In: New Phytologist. 219, 1, p. 122-134 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    The UV filtering potential of drop-casted layers of frustules of three diatom species

    Su, Y., Lenau, T. A., Gundersen, E., Kirkensgaard, Jacob Judas Kain, Maibohm, C., Pinti, J. & Ellegaard, Marianne, 2018, In: Scientific Reports. 8, 1, 10 p., 959.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    The dinoflagellate cyst genera Achomosphaera Evitt 1963 and Spiniferites Mantell 1850 in Pliocene to modern sediments: a summary of round table discussions

    Mertens, K. N., Van Nieuwenhove, N., Gurdebeke, P. R., Aydin, H., Bogus, K., Bringue, M., Dale, B., De Schepper, S., de Vernal, A., Ellegaard, M., Grothe, A., Gu, H., Head, M. J., Heikkila, M., Limoges, A., Londeix, L., Louwye, S., Marret, F., Masure, E., Matsuoka, K. & 13 others, Mudie, P. J., Penaud, A., Pospelova, V., Price, A. M., Ribeiro, S., Rochon, A., Sangiorgi, F., Schreck, M., Torres, V., Uzar, S., Versteegh, G. J. M., Warny, S. & Zonneveld, K., 2018, In: Palynology. 42, Suppl. 1, p. 10-44

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    The effect of different light regimes on diatom frustule silicon concentration

    Su, Y., Lundholm, Nina & Ellegaard, Marianne, 2018, In: Algal Research. 29, p. 36-40 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    The long-term persistence of phytoplankton resting stages in aquatic "seed banks"

    Ellegaard, Marianne & Ribeiro, S., 2018, In: Biological Reviews. 93, 1, p. 166-183 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Time capsules in natural sediment archives—Tracking phytoplankton population genetic diversity and adaptation over multidecadal timescales in the face of environmental change

    Ellegaard, Marianne, Godhe, A. & Ribeiro, S., 2018, In: Evolutionary Applications. 11, 1, p. 11-16 6 p.

    Research output: Contribution to journalReviewResearchpeer-review

  19. 2017
  20. Published

    Long-term cultivation of the diatom Coscinodiscus granii at different light spectra: effects on frustule morphology

    Su, Y., Lundholm, Nina & Ellegaard, Marianne, Aug 2017, In: Journal of Applied Phycology. 29, 4, p. 1775-1779 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Exploring the impact of multi-decadal environmental changes on the population genetic structure of a marine primary producer

    Lundholm, Nina, Ribeiro, S., Godhe, A., Nielsen, Lene Rostgaard & Ellegaard, Marianne, May 2017, In: Ecology and Evolution. 7, 9, p. 3132-3142 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Dinoflagellate cysts as proxies for holocene environmental change in estuaries: diversity, abundance and morphology

    Ellegaard, Marianne, Dale, B., Mertens, K. N., Pospelova, V. & Ribeiro, S., 2017, Applications of Paleoenvironmental Techniques in Estuarine Studies. Springer, p. 295-312 18 p. (Developments in Paleoenvironmental Research, Vol. 20).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  23. Published

    Exploring human-induced evolution using genomics of revived diatoms from natural archives

    Godhe, A., Gross, S., Tesson, S. V. M., Kourtchenko, O., De Wit, P., Rajala, T., Andersson, B., Ricaud, F. L. F., Axelson-Fisk, M., Nilsson, S., Ellegaard, Marianne, Andersen, Thorbjørn Joest, Nordberg, K., Blomberg, A., Johannesson, K. & Topel, M., 2017, In: Phycologia. 56, 4, p. 64-65 2 p., 132.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  24. Published

    Palaeoenvironmental history of the Baltic Sea: one of the largest brackish-water ecosystems in the world

    Weckström, K., Lewis, J. P., Andrén, E., Ellegaard, Marianne, Rasmussen, P. & Telford, R., 2017, Applications of paleoenvironmental techniques in estuarine studies. Weckström, K., Saunders, K. M., Gell, P. A. & Skillbeck, C. G. (eds.). Springer, p. 615-662 48 p. (Developments in Paleoenvironmental Research, Vol. 20).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  25. Published

    Size differences of Arctic marine protists between two climate periods - using the paleoecological record to assess the importance of within-species trait variation

    Mousing, E. A., Ribeiro, S., Chisholm, C., Kuijpers, A., Moros, M. & Ellegaard, Marianne, 2017, In: Ecology and Evolution. 7, 1, p. 3-13 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 2016
  27. Published

    Environmental change in the Western Iberia Upwelling Ecosystem since the preindustrial period revealed by dinoflagellate cyst records

    Ribeiro, S., Amorim, A., Abrantes, F. & Ellegaard, Marianne, 2016, In: The Holocene. 26, 6, p. 874-889 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Long-term survival of haptophyte and prasinophyte resting stages in marine sediment

    Ellegaard, Marianne, Moestrup, Øjvind, Andersen, Thorbjørn Joest & Lundholm, Nina, 2016, In: European Journal of Phycology. 51, 3, p. 328-337 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    The fascinating diatom frustule—can it play a role for attenuation of UV radiation?

    Ellegaard, Marianne, Lenau, T. A., Lundholm, Nina, Maibohm, C., Friis, S. M. M., Rottwitt, K. & Su, Y., 2016, In: Journal of Applied Phycology. 28, 6, p. 3295-3306 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. 2015
  31. Published

    Cyst-theca relationship of a new dinoflagellate with a spiny round brown cyst, Protoperidinium lewisiae sp nov., and its comparison to the cyst of Oblea acanthocysta

    Mertens, K. N., Takano, Y., Gu, H., Yamaguchi, A., Pospelova, V., Ellegaard, Marianne & Matsuoka, K., 2015, In: Phycological Research. 63, 2, p. 110-124 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Cyst-theca relationships and phylogenetic positions of Peridiniales (Dinophyceae) with two anterior intercalary plates, with description of Archaeperidinium bailongense sp nov and Protoperidinium fuzhouense sp nov.

    Liu, T., Mertens, K. N., Ribeiro, S., Ellegaard, Marianne, Matsuoka, K. & Gu, H., 2015, In: Phycological Research. 63, 2, p. 134-151 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Evidence of intensified biogenic silica recycling in the Black Sea after 1970

    Mousing, E. A., Adjou, M. & Ellegaard, Marianne, 2015, In: Estuarine, Coastal and Shelf Science. 164, p. 335-339 5 p.

    Research output: Contribution to journalLetterResearchpeer-review

  34. Published

    Implications for photonic applications of diatom growth and frustule nanostructure changes in response to different light wavelengths

    Su, Y., Lundholm, Nina, Friis, S. M. M. & Ellegaard, Marianne, 2015, In: Nano Research. 8, 7, p. 2363-2372 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Influence of surface salinity gradient on dinoflagellate cyst community structure, abundance and morphology in the Baltic Sea, Kattegat and Skagerrak

    Sildever, S., Andersen, Thorbjørn Joest, Ribeiro, S. & Ellegaard, Marianne, 2015, In: Estuarine, Coastal and Shelf Science. 155, p. 1-7 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Interference patterns and extinction ratio of the diatom Coscinodiscus granii

    Maibohm, C., Friis, S. M. M., Ellegaard, Marianne & Rottwitt, K., 2015, In: Optics Express. 23, 7, p. 9543-9548 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Taxonomic re-examination of the toxic armored dinoflagellate Pyrodinium bahamense Plate 1906: Can morphology or LSU sequencing separate P. bahamense var. compressum from var. bahamense?

    Mertens, K. N., Wolny, J., Carbonell-Moore, C., Bogus, K., Ellegaard, Marianne, Limoges, A., de Vernal, A., Gurdebeke, P., Omura, T., Al-Muftah, A. & Matsuoka, K., 2015, In: Harmful Algae. 41, p. 1-24 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. 2014
  39. Published

    Diatom elemental and frustule nanostructure changes in response to different light wavelengths

    Su, Y., Lundholm, Nina, Friis, S. M. M. & Ellegaard, Marianne, 11 Sep 2014.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  40. Published

    The effects of light on the nanostucture of a microalgae (diatom)

    Su, Y., Ellegaard, Marianne & Lundholm, Nina, 27 Aug 2014.

    Research output: Contribution to conferencePosterResearch

  41. Published

    Global patterns in phytoplankton community size structure—evidence for a direct temperature effect

    Mousing, E. A., Ellegaard, Marianne & Richardson, Katherine, 2014, In: Marine Ecology - Progress Series. 497, p. 25-38 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Microsatellite markers for the palaeo-temperature indicator Pentapharsodinium dalei (Dinophyceae)

    Lundholm, Nina, Nielsen, Lene Rostgaard, Ribeiro, S. & Ellegaard, Marianne, 2014, In: Journal of Applied Phycology. 26, 1, p. 417-420 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Morphology and molecular phylogeny of Nitzschia bizertensis sp nov.- a new domoic acid-producer

    Smida, D. B., Lundholm, Nina, Kooistra, W. H. C. F., Sahraoui, I., Ruggiero, M. V., Kotaki, Y., Ellegaard, Marianne, Lambert, C., Mabrouk, H. H. & Hlaili, A. S., 2014, In: Harmful Algae. 32, p. 49-63 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    On Levanderina fissa gen. & comb. nov. (Dinophyceae) (syn. Gymnodinium fissum, Gyrodinium instriatum, Gyr. uncatenum), a dinoflagellate with a very unusual sulcus

    Moestrup, Øjvind, Hakanen, P., Hansen, Gert, Daugbjerg, Niels & Ellegaard, Marianne, 2014, In: Phycologia. 53, 3, p. 265-292 28 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Sea surface temperatures in Disko Bay during the Little Ice Age - caution needs to be exercised before assigning Thalassiosira kushirensis resting spore as a warm-water indicator in palaeoceanographic studies

    Weckstrom, K., Miettinen, A., Caissie, B., Pearce, C., Ellegaard, Marianne, Krawczyk, D. & Witkowski, A., 2014, In: Quaternary Science Reviews. 101, p. 234-237 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Temporal changes in physical, chemical and biological sediment parameters in a tropical estuary after mangrove deforestation

    Ellegaard, Marianne, Nguyen, N. T. G., Andersen, Thorbjørn Joest, Michelsen, Anders, Lam Nguyen, N., Hai Doan, N., Kristensen, E., Weckström, K., Phuoc Hoang Son, T. & Lund-Hansen, L. C., 2014, In: Estuarine, Coastal and Shelf Science. 142, p. 32-40 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. 2013
  48. Published

    A century-long genetic record reveals that protist effective population sizes are comparable to those of macroscopic species

    Watts, P. C., Lundholm, Nina, Ribeiro, S. & Ellegaard, Marianne, 23 Dec 2013, In: Biology Letters. 9, 6, 4 p., 20130849.

    Research output: Contribution to journalLetterResearchpeer-review

  49. Published

    Hundred years of environmental change and phytoplankton ecophysiological variability archived in coastal sediments

    dos Santos Ribeiro, Sofia Isabel, Berge, T., Lundholm, Nina & Ellegaard, Marianne, 11 Apr 2013, In: PLoS ONE. 8, 4, 8 p., e61184.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Changes in the abundance and species composition of Phytoplankton in the last 150 years in the Southern Black Sea

    Mousing, E. A., Andersen, Thorbjørn Joest & Ellegaard, Marianne, 2013, In: Estuaries and Coasts. 36, 6, p. 1206-1218 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Using the sediment archive of living dinoflagellate cysts and other protist resting stages to study temporal population dynamics

    Ellegaard, Marianne, dos Santos Ribeiro, Sofia Isabel, Lundholm, Nina, Andersen, Thorbjørn Joest, Berge, T., Ekelund, Flemming, Härnström, K. & Godhe, A., 2013, Biological and geological perspectives of dinoflagellates. Lewis, J. M., Marret, F. & Bradley, L. R. (eds.). Geological Society, p. 149-153 5 p. (The Micropalaeontological Society, Special Publications, Vol. 5).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  52. 2012
  53. Published

    Archaeperidinium saanichi sp. nov. a new species based on morphological variation of cyst and theca within the Archaeperidinium minutum Jörgensen 1912 species complex

    Mertens, K. N., Yamaguchi, A., Kawami, H., dos Santos Ribeiro, Sofia Isabel, Leander, B. S., Price, A. M., Pospelova, V., Ellegaard, Marianne & Matsuoka, K., 2012, In: Marine Micropaleontology. 96–97, p. 48-62 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    A review of recent freshwater dinoflagellate cysts: taxonomy, phylogeny, ecology and palaeocology

    Mertens, K. N., Rengefors, K., Moestrup, Øjvind & Ellegaard, Marianne, 2012, In: Phycologia. 51, 6, p. 612-619 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Climate variability in West Greenland during the past 1500 years: evidence from a high-resolution marine palynological record from Disko Bay

    dos Santos Ribeiro, Sofia Isabel, Moros, M., Ellegaard, Marianne & Kuijpers, A., 2012, In: Boreas. 41, 1, p. 68-83 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    Reconstructing the history of an invasion: the toxic phytoplankton species Gymnodinium catenatum in the Northeast Atlantic

    dos Santos Ribeiro, Sofia Isabel, Amorim, A., Andersen, Thorbjørn Joest, Abrantes, F. & Ellegaard, Marianne, 2012, In: Biological Invasions. 14, 5, p. 969-985 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. 2011
  58. Published

    Buried alive – germination of up to a century-old marine protist resting stages

    Lundholm, Nina, dos Santos Ribeiro, Sofia Isabel, Andersen, Thorbjørn Joest, Koch, T. A., Godhe, A., Ekelund, Flemming & Ellegaard, Marianne, 2011, In: Phycologia. 50, 6, p. 629-640 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Published

    Hundred years of genetic structure in a sediment revived diatom population

    Haernstroem, K., Ellegaard, Marianne, Andersen, Thorbjørn Joest & Godhe, A., 2011, In: Proceedings of the National Academy of Sciences USA (PNAS). 108, 10, p. 4252-4257 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Phytoplankton growth after a century of dormancy illuminates past resilience to catastrophic darkness

    dos Santos Ribeiro, Sofia Isabel, Berge, T., Lundholm, Nina, Andersen, Thorbjørn Joest, Abrantes, F. & Ellegaard, Marianne, 2011, In: Nature Communications. 2, 7 p., 311.

    Research output: Contribution to journalJournal articleResearchpeer-review

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