Ruth Nielsen

Ruth Nielsen

Associate professor emerIta


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  1. 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 proceeding › Book chapter › Research

  2. 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 proceeding › Book chapter › Research

  3. 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 journal › Journal article › Research › peer-review

  4. 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 journal › Journal article › Research › peer-review

  5. Published

    Response to wave exposure by littoral species in the Faroe Islands

    Bruntse, G., Lein, T. E. & Nielsen, Ruth, 1999, In: Fródskaparrit - Annales Societatis Scientiarum Færoensis. 47, p. 181-198

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. 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 proceeding › Report chapter › Research

  7. Published

    Pain after groin hernia repair

    Callesen, T., Bech, K., Nielsen, Ruth, Andersen, J., Hesselfeldt, P., Roikjær, Ole & Kehlet, Henrik, 1998, In: British Journal of Surgery.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 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/Report › Report › Communication

  9. 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/Report › Report › Research

  10. 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 journal › Journal article › Research › peer-review

  11. 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 proceeding › Conference abstract in proceedings › Research

  12. 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 journal › Review › Research › peer-review

  13. 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 proceeding › Book chapter › Research

  14. 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 journal › Journal article › Research

  15. 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 journal › Journal article › Research › peer-review

  16. 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 proceeding › Book chapter › Research

  17. Published

    Stenrev i Storebælt. Broen I, Broen II og Vengeance Grund

    Nielsen, Ruth, Düwel, L. & Helmig, S., 1994, København: Hans Reitzels Forlag. 71 p.

    Research output: Book/Report › Report › Research

  18. 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 proceeding › Book chapter › Communication

  19. 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 proceeding › Book chapter › Research

  20. 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 proceeding › Book chapter › Research

  21. Published

    Eitt sindur um stórtara í Føroyum

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

    Research output: Contribution to journal › Journal article › Communication

  22. 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 journal › Journal article › Research › peer-review

  23. Published

    Book review: A Athanasiadis. Taxonomisk litteratur och biogeografi av skandinaviska roedalger och brunalger

    Nielsen, Ruth, 1997, In: European Journal of Phycology. 32, p. 315-316

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. 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 proceeding › Book chapter › Research

  25. Published

    Marine algae south of the island Vejrø, the Samsø area, Denmark

    Nielsen, Ruth & Dahl, K., 1992, In: Acta Phytogeographica Suecica. 78, p. 111-116

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Algae Marinae Danicae Exsiccatae. A Museo Botanico Hauniensi Distributae, Fasc. II: 51-100

    Nielsen, Ruth, 1993, Botanisk Museum, København. 19 p.

    Research output: Book/Report › Book › Research

  27. Published

    The Danish Charophytes

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

    Research output: Contribution to journal › Journal article › Research

  28. 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 proceeding › Book chapter › Research

  29. 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 proceeding › Book chapter › Research

  30. 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 proceeding › Book chapter › Communication

  31. 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 journal › Journal article › Research

  32. 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 journal › Journal article › Research › peer-review

  33. Published

    New combinations within the genus Colaconema (Acrochaetiaceae, bangiophyceae)

    Nielsen, Ruth, 1994, In: Nordic Journal of Botany. 14, p. 715 1 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Vegetation of Tønneberg Banke, a stone reef in the northern Kattegat, Denmark

    Nielsen, Ruth, 1991, In: Oebalia, International J. of Marine Biology and Oceanography. 27, p. 199-211

    Research output: Contribution to journal › Journal article › Research

  35. 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 proceeding › Book chapter › Research

  36. 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 proceeding › Book chapter › Research

  37. Published

    Review. Elsie M. Burrows. 1991. Seaweeds of the British Isles. Vol. 2. Chlorophyta. xi + 238 pp. British Museum (Natural History), London

    Nielsen, Ruth, 1992, In: Nordic Journal of Botany. 12, 2 p.

    Research output: Contribution to journal › Review › Research

  38. 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 journal › Journal article › Research › peer-review

  39. Published

    Stenrev i Smålandsfarvandet Kirkegrund, Venegrunde og Ydergrund

    Nielsen, Ruth, Düwel, L. & Helmig, S., 1997, København: Skov- og Naturstyrelsen. 62 p.

    Research output: Book/Report › Report › Research

  40. Published

    Distributional index of the benthic macroalgae of the Baltic Sea area

    Nielsen, Ruth, Kristiansen, A., Mathiesen, L. & Mathiesen, H., 1995, In: Acta Botanica Fennica. 155, p. 1-51

    Research output: Contribution to journal › Journal article › Research

  41. 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 proceeding › Book chapter › Research

  42. 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 proceeding › Book chapter › Research

  43. 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 proceeding › Book chapter › Research

  44. 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 proceeding › Book chapter › Research

  45. Published

    Færøernes havalger

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

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  46. 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 proceeding › Book chapter › Research

  47. 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 journal › Journal article › Communication

  48. Published

    An annotated list of marine algae collected on Lanzarote, Canary Islands, January 1986

    Nielsen, Ruth, Kristiansen, A. & Pedersen, P. M., 1 Jul 1993, In: Courier Forsch.-Inst. Senkenberg. 159, p. 93-102

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Sexual and asexual strains of Blidingia minima from Northern Europe and Japan

    Nielsen, Ruth, Iima, M. & Rueness, J., 1997, Phycologia. Vol. 36 (4) Suppl.. p. 42-42 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  50. Published

    Danske havalger, udbredelse og danske navne

    Nielsen, Ruth & Kristiansen, A., 1994, København: Hans Reitzels Forlag. 123 p.

    Research output: Book/Report › Book › Research

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