Ruth Nielsen

Ruth Nielsen

Associate professor emerIta


  1. 2023
  2. Published

    Reviewing Introduction Histories, Pathways, Invasiveness, and Impact of Non-Indigenous Species in Danish Marine Waters

    Jensen, Kathe, Andersen, P., Andersen, N. R., Bruhn, A., Buur, H., Carl, Henrik, Jakobsen, H., Jaspers, C., Lundgreen, K., Nielsen, Ruth, Strandberg, B. & Stæhr, P. A. U., 2023, In: Diversity. 15, 3, 44 p., 434.

    Research output: Contribution to journalReviewResearchpeer-review

  3. 2016
  4. Published

    Culture and field studies of Ulvellaceae and other microfilamentous green seaweeds in subarctic and arctic waters around Iceland

    Gunnarsson, K. & Nielsen, Ruth, 2016, In: Nova Hedwigia. 103, 1-2, p. 17-46 30 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2014
  6. Published

    Description of Ulvella elegans sp. nov. and U. islandica sp. nov. (Ulvellaceae, Ulvophyceae) from Island - a study based on morphology of species in culture and tufA gene sequences.

    Nielsen, Ruth, Gunnarsson, K., Daugbjerg, Niels & Petersen, G., 2014, In: European Journal of Phycology. 49, 1, p. 60-67 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2013
  8. Published

    Revision of the genus Ulvella (Ulvellaceae, Ulvophyceae) based on morphology and tufA gene sequences of species in culture, with Acrochaete and Pringsheimiella placed in synonymy

    Nielsen, Ruth, Petersen, G., Seberg, Ole, Daugbjerg, Niels, O'Kelly, C. J. & Wysor, B., 4 Jan 2013, In: Phycologia. 52, 1, p. 37-56 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 2012
  10. Published

    New insights into the biodiversity and generic relationships of foliose Bangiales (Rhodophyta) in Iceland and the Faroe Islands

    Mols-Mortensen, A., Neefus, C. D., Nielsen, Ruth, Gunnarsson, K., Egilsdóttir, S., Pedersen, P. M. & Brodie, J., 2012, In: European Journal of Phycology. 47, 2, p. 146-159 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2009
  12. Published

    Marine makroalger i Københavns Havn med fund af Polysiphonia kiliana - ny art for Danmark

    Nielsen, Ruth, 2009, In: Flora og Fauna. 114, 3-4, p. 77-89 13 p.

    Research output: Contribution to journalJournal articleCommunication

  13. 2007
  14. Published

    Acrochaete

    Nielsen, Ruth, Rinkel, B. & Brodie, J., 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 108-119 12 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  15. Published

    Blastophysa

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 184-185 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  16. Published

    Bolbocoleon

    Nielsen, Ruth, Rinkel, B. & Brodie, J., 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 62-63 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  17. Published

    Epicladia

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 119-123 4 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  18. Published

    Ochlochaete

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmorry, Northern Ireland: British Phycological Society, p. 75-76 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  19. Published

    Ostreobium

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. British Phycological Society, p. 207-208 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  20. Published

    Phaeophila

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. British Phycological Society, p. 73-75 3 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  21. Published

    Pringsheimiella

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 123-125 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  22. Published

    Pseudendoclonium

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. British Phycological Society, p. 66-70 4 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  23. Published

    Pseudopringsheimia

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 125-126 1 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  24. Published

    Ruthnielsenia

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. British Phycological Society, p. 79-80 1 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  25. Published

    Syncoryne

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 126-127 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  26. Published

    Tellamia

    Nielsen, Ruth & Wilkinson, M., 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. British Phycological Society, p. 70-73 3 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  27. Published

    Ulvella

    Nielsen, Ruth, 2007, Green Seaweeds of Britain and Ireland. Brodie, J., Maggs, C. A. & John, D. M. (eds.). 1 ed. Dunmurry, Northern Ireland: British Phycological Society, p. 128-130 3 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  28. 2005
  29. Published

    Algevegetationen ved Nordre Rønner 2005

    Nielsen, Ruth, 2005, København.

    Research output: Book/ReportReportCommunication

  30. Published

    Dusktang, en ny og spændende rødalge i danske farvande

    Nielsen, Ruth & Mathiesen, L., 2005, In: URT. 29, p. 72-77

    Research output: Contribution to journalJournal articleResearch

  31. Published

    Hvad det gamle herbarium også gemte

    Tendal, O. S. & Nielsen, Ruth, 2005, In: Dyr i Natur og Museum. 1, p. 26-28

    Research output: Contribution to journalJournal articleResearch

  32. Published

    Relationships of algal floras in the North Atlantic Islands (Iceland, the Faroes, the Shetlands, the Orkneys)

    Tittley, I., Nielsen, Ruth & Gunnarsson, K., 2005, In: Annales Societas Scientiarum Færoensis supplementum. 41, p. 33-52

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Tangvegetationen omkring Læsø

    Nielsen, Ruth, 2005, Naturforholdene i havet omkring Læsø. Pilotprojekt marin nationalpark Læsø. Olesen, M. (ed.). København, p. 36-42, 110-115

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  34. Published

    The diversity of the Bangiophycidae (Rhodophyta) of the Faroes in the context of the northern Atlantic

    Brodie, J. & Nielsen, Ruth, 2005, In: Annales Societas Scientiarum Færoensis supplementum. 41, p. 53-62

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. 2004
  36. Published

    Udvikling og afprøvning af metoder til indsamling af flora og fauna på småstenede hårdbundshabitater. Danmarks Miljøundersøgelser. Faglig rapport fra DMU 521

    Dahl, K., Nicolaisen, J., Nielsen, Ruth & Tendal, O. S., 2004, DMU Danmarks Miljøundersøgelser Internet udgave.

    Research output: Book/ReportReportCommunication

  37. 2003
  38. Published

    4.1 Introduction to the descriptions of the species

    Schubert, M., Blümel, C., Blindow, I. & Nielsen, Ruth, 2003, Charophytes of the Baltic Sea. FL 9491 Ruggell: A.R.G. Gantner Verlag Kommanditgesellschaft, p. 37-41

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  39. Published

    4.18 Lamprothamnium papulosum (Wallr.) J. Groves, 1916

    Andersson, J., Garniel, A. & Nielsen, Ruth, 2003, Charophytes of the Baltic Sea. FL 9491 Ruggell: A.R.G. Gantner Verlag Kommanditgesellschaft, p. 156-162

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  40. Published

    4.8 Chara fragifera Durieu 1859

    Nielsen, Ruth, 2003, Charophytes of the Baltic Sea. FL 9491 Ruggell: A.R.G. Gantner Verlag Kommanditgesellschaft, p. 95-96

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  41. Published

    4.9 Chara galioides DC. 1813

    Küster, A. & Nielsen, Ruth, 2003, Charophytes of the Baltic Sea. FL 9491 Ruggell: A.R.G. Gantner Verlag Kommanditgesellschaft, p. 97-98

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  42. Published

    6. Conservation and threats - Proposal of a Red Data Book for charophytes in the Baltic Sea -

    Blindow, I., Garniel, A., Munsterhjelm, R. & Nielsen, Ruth, 2003, Charophytes of the Baltic Sea. FL 9491 Ruggell: A.R.G. Gantner Verlag Kommanditgesellschaft, p. 251-260

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  43. Published

    8. References to the Charophytes of the Baltic Sea

    Nielsen, Ruth, Schubert, H. & Blindow, I., 2003, Charophytes of the Baltic Sea. FL 9491 Ruggell: A.R.G. Gantner Verlag Kommanditgesellschaft, p. 285-310

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  44. 2002
  45. Published

    Eitt sindur um stórtara í Føroyum

    Nielsen, Ruth, 2002, In: Froedi. 1, p. 5-10

    Research output: Contribution to journalJournal articleCommunication

  46. Published

    Færøernes havalger

    Nielsen, Ruth, 2002, Ikke angivet. Dansk Nationalråd for Oceanografi, p. 1

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  47. Published

    Ilanddrevne havalger

    Nielsen, Ruth, 2002, In: URT. 26, p. 24-27

    Research output: Contribution to journalJournal articleCommunication

  48. 2001
  49. Published

    Coralline red algae (Corallinales, Rhodophyta) of the Faroe Islands

    Wegeberg, S., Nielsen, Ruth & Gunnarsson, K., 2001, In: Fródskaparrit - Annales Societatis Scientiarum Færoensis. 49, p. 37-43

    Research output: Contribution to journalJournal articleResearch

  50. Published

    Distribution of some marine benthic "small green algae" in Japan

    Nielsen, Ruth & Iima, M., 2001, Ikke angivet. International Phycological Society, p. 113-113 1 p. (Uden navn).

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  51. Published

    List of BIOFAR 2 stations

    Sørensen, J., Bruntse, G., Gunnarsson, K. & Nielsen, Ruth, 2001, In: Frodskaparrit. 48, p. 61-85

    Research output: Contribution to journalJournal articleResearch

  52. Published

    Molecular and morphological evidence of heteromorphic life history in Blidingia (Ulvales, Chlorophyta)

    Iima, M., Hanyuda, T., Nielsen, Ruth & Ueda, K., 2001, Ikke angivet. International Phycological Society, p. 63-64 (Uden navn).

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  53. Published

    Naturkvalitet på stenrev. Hvilke indikatorer kan vi bruge. Faglig rapport fra DMU, nr. 352.2001

    Dahl, K., Hansen, J., Helmig, S., Nielsen, Ruth & Larsen, H. S., 2001, Roskilde: National Environmental Research Institute. 130 p.

    Research output: Book/ReportReportResearch

  54. Published

    Seaweeds of the Faroe Islands. An annotated checklist

    Nielsen, Ruth & Gunnarsson, K., 2001, In: Fródskaparrit - Annales Societatis Scientiarum Færoensis. 49, p. 45-108

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    The Bangiophyte Species of the Faroe Islands

    Brodie, J., Nielsen, Ruth & Gunnarsson, K., 2001, In: Fródskaparrit - Annales Societatis Scientiarum Færoensis. 49, p. 25-36

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    The Danish Charophytes

    Nielsen, Ruth, 2001, In: Schriftenr. Landschaftspflege Naturschutz. 72, p. 37-38

    Research output: Contribution to journalJournal articleResearch

  57. Published

    Typification of Caulerpa cupressoides (Vahl) C. Agardh and C. taxifolia (Vahl) C. Agardh (Chlorophyta, Caulerpaceae)

    Nielsen, Ruth & Price, I. R., 2001, In: Taxon. 50, p. 827-836

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. 1999
  59. Published

    Changes in the macroalgal flora on reefs in Danish waters

    Nielsen, Ruth, 1999, Changes in the marine flora of the North Sea. Scarborough: CERCI, University College Scarborough, p. 89-98

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  60. Published

    Danske havalger 2. Bestemmelsesnøgler til slægter af makroalger. Rødalger. Brunalger. Grønne alger

    Nielsen, Ruth, 1999, København: Miljø- og Energiministeriet/Skov- og Naturstyrelsen. 64 p.

    Research output: Book/ReportBookResearch

  61. Published

    Havplanter i Øresund

    Nielsen, Ruth, 1999, Öresund Naturligtvis. Smakprov på Sundets natur och miljö. Bentz, P-G. & Meyer, O. E. (eds.). København/Malmø: Öresund Naturligtvis, p. 51-54

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  62. Published

    Marine benthic algae and invertebrate communities from the shallow waters of the Faroe Islands

    Bruntse, G., Lein, T. E. & Nielsen, Ruth, 1999, Marine benthic algae and invertebrate communities from the shallow waters of the Faroe Islands. Torshavn, Færøerne: Natural History Museum, p. 1-117 117 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  63. Published

    New records of benthic marine algae for Norway, with notes on some rare species from the Florø district, western Norway

    Lein, T. E., Bruntse, G., Gunnarsson, K., Nielsen, Ruth & Wegeberg, S., 1999, In: Marine Biology Research. 84, p. 39-53 15 p.

    Research output: Contribution to journalJournal articleResearch

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