Ruth Nielsen
Associate professor emerIta
Research
Universitetsparken 15
2100 København Ø
- 2023
- 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
- 2016
- 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
- 2014
- 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
- 2013
- 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 journal › Journal article › Research › peer-review
- 2012
- 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
- 2009
- 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
- 2007
- 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
- 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 proceeding › Book chapter › Research
- 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
- 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
- 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
- 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 proceeding › Book chapter › Research
- 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
- 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 proceeding › Book chapter › Research
- 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 proceeding › Book chapter › Research
- 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
- 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
- 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
- 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
- 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
- 2005
- Published
Algevegetationen ved Nordre Rønner 2005
Nielsen, Ruth, 2005, København.Research output: Book/Report › Report › Communication
- Published
Dusktang, en ny og spændende rødalge i danske farvande
Nielsen, Ruth & Mathiesen, L., 2005, In: URT. 29, p. 72-77Research output: Contribution to journal › Journal article › Research
- Published
Hvad det gamle herbarium også gemte
Tendal, O. S. & Nielsen, Ruth, 2005, In: Dyr i Natur og Museum. 1, p. 26-28Research output: Contribution to journal › Journal article › Research
- 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. 33-52Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tangvegetationen omkring Læsø
Nielsen, Ruth, 2005, Naturforholdene i havet omkring Læsø. Pilotprojekt marin nationalpark Læsø. Olesen, M. (ed.). København, p. 36-42, 110-115Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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. 53-62Research output: Contribution to journal › Journal article › Research › peer-review
- 2004
- 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
- 2003
- 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. 37-41Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 156-162Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 95-96Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 97-98Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 251-260Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 285-310Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 2002
- Published
Eitt sindur um stórtara í Føroyum
Nielsen, Ruth, 2002, In: Froedi. 1, p. 5-10Research output: Contribution to journal › Journal article › Communication
- Published
Færøernes havalger
Nielsen, Ruth, 2002, Ikke angivet. Dansk Nationalråd for Oceanografi, p. 1Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Ilanddrevne havalger
Nielsen, Ruth, 2002, In: URT. 26, p. 24-27Research output: Contribution to journal › Journal article › Communication
- 2001
- 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. 37-43Research output: Contribution to journal › Journal article › Research
- 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 proceeding › Conference abstract in proceedings › Research
- Published
List of BIOFAR 2 stations
Sørensen, J., Bruntse, G., Gunnarsson, K. & Nielsen, Ruth, 2001, In: Frodskaparrit. 48, p. 61-85Research output: Contribution to journal › Journal article › Research
- 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
- 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
- Published
Seaweeds of the Faroe Islands. An annotated checklist
Nielsen, Ruth & Gunnarsson, K., 2001, In: Fródskaparrit - Annales Societatis Scientiarum Færoensis. 49, p. 45-108Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Bangiophyte Species of the Faroe Islands
Brodie, J., Nielsen, Ruth & Gunnarsson, K., 2001, In: Fródskaparrit - Annales Societatis Scientiarum Færoensis. 49, p. 25-36Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Danish Charophytes
Nielsen, Ruth, 2001, In: Schriftenr. Landschaftspflege Naturschutz. 72, p. 37-38Research output: Contribution to journal › Journal article › Research
- 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. 827-836Research output: Contribution to journal › Journal article › Research › peer-review
- 1999
- 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. 89-98Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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/Report › Book › Research
- 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. 51-54Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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
- 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
- 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. 181-198Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Review. Tolstoy,A. & Willén, T, (eds.) 1997. Preliminär checklista över makroalger i Sverige
Nielsen, Ruth, 1999, In: Nordic Journal of Botany. 19, 2, p. 256-256 1 p.Research output: Contribution to journal › Review › Research
- 1998
- Published
Nye registreringer av benthiske makroalger i Sogn og Fjordane
Nielsen, Ruth, Wegeberg, S., Lein, T. E., Brattenborg, N., Bruntse, G. & Gunnarsson, K., 1998, Bergen, Norge: IFM Rapport.Research output: Book/Report › Report › Research
- 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
- Published
Part of general key and Acrochaete-key
Sears, J. R., Bird, C. J., Garrbary, D. J., Hare, J., Hehre, E., Hoek, C. V. D., Hooper, R. G., Mathieson, A. C., Nielsen, Ruth, Pedersen, P. M., Schneider, C. W., Steneck, R. S., Vadas, R. L., Villalard-Bohnsack, M. L. & Wilce, R. T., 1998, NEAS Key to the Benthic Marine Algae of the Northeastern Coast of North America from Long Island Sount to the Strait of Belle Isle. Massachusetts, U.S.A.: Northeast Algal Society (NEAS), p. 29-30, 39-42Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1997
- Published
Book review: A Athanasiadis. Taxonomisk litteratur och biogeografi av skandinaviska roedalger och brunalger
Nielsen, Ruth, 1997, In: European Journal of Phycology. 32, p. 315-316Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Macroalgae at Kims Top, a unique Danish stone reef in the midle of Kattegat
Nielsen, Ruth, 1997, Phycologia 36 (4) Suppl.. p. 78-78 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 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
- 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
- 1995
- 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. 1-51Research output: Contribution to journal › Journal article › Research
- 1994
- Published
Danske havalger, udbredelse og danske navne
Nielsen, Ruth & Kristiansen, A., 1994, København: Hans Reitzels Forlag. 123 p.Research output: Book/Report › Book › Research
- 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
- 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
- 1993
- 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. 93-102Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 1992
- Published
Macroalgae at Briseis Flak, Schultzs Grund and Store Middelgrund, stone reefs in the southern and eastern part of Kattegat, Denmark
Nielsen, Ruth & Dahl, K., 1992, Proceedings of the 12th Baltic Marine Biologists Symposium. Fredensborg: Olsen, p. 109-118Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Marine algae south of the island Vejrø, the Samsø area, Denmark
Nielsen, Ruth & Dahl, K., 1992, In: Acta Phytogeographica Suecica. 78, p. 111-116Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 1991
- Published
Lysegrund, et stenrev i den sydlige del af Kattegat, algevegetation, august 1990
Nielsen, Ruth, Helmig, S. & Hygum, B., 1991, Hørsholm, Danmark: Miljøministeriet. 51 p.Research output: Book/Report › Report › Research
- 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. 199-211Research output: Contribution to journal › Journal article › Research
- 1990
- Published
Algae Marinae Danicae Exsiccatae. A Museo Botanico Hauniensi Distributae, Fasc. I: 1-50
Nielsen, Ruth, 1990, Botanisk Museum, København. 19 p.Research output: Book/Report › Book › Research
- Published
Makroalger
Nielsen, Ruth, 1990, Naturovervågning: Naturen i Havet. Norden Andersen, O. G. (ed.). Hørsholm: Miljøministeriet, Skov- og Naturstyrelsen, Vol. 90. p. 56-59Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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Reviewing Introduction Histories, Pathways, Invasiveness, and Impact of Non-Indigenous Species in Danish Marine Waters
Research output: Contribution to journal › Review › Research › peer-review
Published