Ulrik Braüner Nielsen

Research output

Research output per year 1994 2004 2006 2008 2009 2010 2011 2012 2013 2014 2018 2020

• 90 Journal article
• 11 Report
• 11 Article in proceedings
• 7 Conference abstract in proceedings
• 10 More
  • 3 Book chapter
  • 3 Memorandum
  • 1 Book
  • 1 Report chapter
  • 1 Conference abstract for conference
  • 1 Review

Research output per year

Research output per year

Search results

• 2020

  An efficient bioreactor platform for scaling up the proliferation of Nordmann fir's (Abies nordmanniana) somatic embryos)

  Valdiani, A., Hansen, O. K., Johannsen, V. K. & Nielsen, U. B., 1 Mar 2020, In: International Journal of Environmental Science and Technology. 14 p.

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

  • Abies 100%
  • Abies nordmanniana 93%
  • Bioreactors 67%
  • somatic embryos 61%
  • embryo 57%
  1 Citation (Scopus)

• Cloning by cuttings in Nordmann fir, Abies nordmanniana: hormonal characteristics in relation crown position, rooting competence, and orthotropism as ramets

  Rasmussen, H. N., Jensen, M., Frampton, J., Hansen-Møller, J. & Nielsen, U. B., 1 Sept 2020, In: New Forests. 20 p.

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

  • Abies nordmanniana 100%
  • ramet 90%
  • cloning 75%
  • rooting 73%
  • tree crown 58%
• 2019

  Bioreactor-based advances in plant tissue and cell culture: challenges and prospects

  Valdiani, A., Hansen, O. K., Nielsen, U. B., Johannsen, V. K., Shariat, M., Georgiev, M. I., Omidvar, V., Ebrahimi, M., Dinanai, E. T. & Abiri, R., 2 Jan 2019, In: Critical Reviews in Biotechnology. 39, 1, p. 20-34 15 p.

  Research output: Contribution to journal › Review › peer-review

  • Plant Cells 100%
  • Bioreactors 88%
  • Cell Culture Techniques 55%
  • Biochemical Phenomena 16%
  • Biomass 15%
  17 Citations (Scopus)
• 2018

  Ad hoc breeding of Abies bornmülleriana for Christmas tree production using a combination of DNA markers and quantitative genetics-a case study

  Xu, J., Nielsen, U. B. & Hansen, O. K., 1 Oct 2018, In: Tree Genetics & Genomes. 14, 5, 15 p., 64.

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

  • Abies 100%
  • Christmas trees 84%
  • quantitative genetics 66%
  • Breeding 65%
  • genetic material 59%
  3 Citations (Scopus)

• Do silver fir woolly adelgids (Dreyfusia nordmannianae) facilitate pathogen infestation with Neonectria neomacrospora on Christmas trees (Abies nordmanniana)?

  Xu, J., Budde, K. B., Hansen, O. K., Thomsen, I. M., Ravn, H. P. & Nielsen, U. B., 15 Sept 2018, In: Forest Ecology and Management. 424, p. 396-405 10 p.

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

  • Dreyfusia 100%
  • Abies nordmanniana 86%
  • Adelgidae 81%
  • Christmas trees 78%
  • Neonectria 77%
  4 Citations (Scopus)

• Genetic variation and genotype by environment interaction in the susceptibility of Abies nordmanniana (Steven) Spach to the fungus Neonectria neomacrospora (Booth & Samuels) Mantiri & Samuels

  Xu, J., Hansen, O. K., Thomsen, I. M. & Nielsen, U. B., 1 Mar 2018, In: Annals of Forest Science. 75, 12 p., 17.

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

  • Abies nordmanniana 100%
  • Neonectria 89%
  • genetic variation 72%
  • genotype 64%
  • heritability 61%
  4 Citations (Scopus)

• Provenance variation in Christmas tree characteristics in subalpine fir (Abies lasiocarpa) planted in Denmark and Iceland

  Skúlason, B., Hansen, O. K. & Nielsen, U. B., 3 Apr 2018, In: Scandinavian Journal of Forest Research. 33, 3, p. 222-232 11 p.

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

  • Abies lasiocarpa 100%
  • Christmas trees 99%
  • Iceland 83%
  • Denmark 70%
  • provenance 66%
  5 Citations (Scopus)

• Provenance Variation in Phenology and Frost Tolerance in Subalpine Fir (Abies lasiocarpa) Planted in Denmark and Iceland

  Skulason, B., Hansen, O. K. & Nielsen, U. B., 2 Jan 2018, In: Forests. 9, 1, 16 p., 17.

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

  • Abies lasiocarpa 100%
  • frost resistance 87%
  • Iceland 83%
  • Denmark 70%
  • phenology 70%
  51 Downloads (Pure)

• Vedr. vurdering af tørkens indflydelse på skovbruget: Sagsnotat

  Johannsen, V. K., Larsen, J. B., Thomsen, I. M., Callesen, I., Jørgensen, B. B., Nord-Larsen, T., Ravn, H. P., Nielsen, U. B. & Skov, S., Aug 2018, 6 p.. Jan 17, 2019.

  Research output: Memorandum/exposition › Memorandum

  26 Downloads (Pure)
• 2017

  Comparison of noble fir progeny from US Pacific Northwest collection regions and Denmark for Christmas tree traits

  Landgren, C., Nielsen, U. B. & Chastagner, G., 4 Jul 2017, In: Scandinavian Journal of Forest Research. 32, 5, p. 366-375 10 p.

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

  • Abies procera 100%
  • Christmas trees 88%
  • Denmark 62%
  • provenance 58%
  • tree height 43%
  1 Citation (Scopus)

• Damage by Neonectria neomacrospora and Adelges piceae in provenance trials of subalpine fir (Abies lasiocarpa) in Denmark

  Skúlason, B., Hansen, O. K., Thomsen, I. M., Talgø, V. & Nielsen, U. B., Jun 2017, In: Forest Pathology. 47, 3, 12 p., e12326.

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

  • Adelges piceae 100%
  • provenance trial 96%
  • Abies lasiocarpa 84%
  • Neonectria 83%
  • Denmark 60%
  8 Citations (Scopus)

• Species variation in susceptibility to the fungus Neonectria neomacrospora in the genus Abies

  Nielsen, U. B., Xu, J., Nielsen, K. N., Talgø, V., Hansen, O. K. & Thomsen, I. M., 4 Jul 2017, In: Scandinavian Journal of Forest Research. 32, 5, p. 421-431 11 p., 1287300.

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

  9 Citations (Scopus)
• 2016

  Neonectria – en ubehagelig svampeslægt for skovbruget

  Thomsen, I. M., Nielsen, U. B., Pettersson, M., Nielsen, K. N., Ravn, H. P. & Talgø, V., 2016, In: Skoven. 48, 5, p. 225-231

  Research output: Contribution to journal › Journal article › Communication

  22 Downloads (Pure)

• The contribution of Danish forestry to increase wood production and offset climate change 2010-2100: Perspectives for the contribution of forests and forestry towards a ‘green’ bio based economy in Denmark

  Graudal, L., Nielsen, U. B., Schou, E., Thorsen, B. J., Hansen, J. K., Bentsen, N. S. & Johannsen, V. K., 2016, 01 ed. IEA Bioenergy. 23 p.

  Research output: Book/Report › Report › Commissioned
• 2015

  Frøsmitte med Neonectria og Sydowia

  Thomsen, I. M., Nielsen, U. B., Proschowsky, G. F., Brodal, G. & Talgø, V., 2015, In: Nåledrys. 91, p. 43-50

  Research output: Contribution to journal › Journal article › Communication

• Juletræskonference i Norge

  Thomsen, I. M. & Nielsen, U. B., 2015, In: Nåledrys. 94, p. 40-47

  Research output: Contribution to journal › Journal article › Communication

• Neonectria-situationen i Danmark

  Thomsen, I. M., Ravn, H. P., Nielsen, K. N. & Nielsen, U. B., 2015, In: Nåledrys. 91, p. 20-23

  Research output: Contribution to journal › Journal article › Communication

• The status of tree breeding and its potential for improving biomass production: A review of breeding activities and genetic gains in Scandinavia and Finland

  Haapanen, M., Jansson, G., Nielsen, U. B., Steffenrem, A. & Stener, L-G., 2015, SkogForsk. 53 p.

  Research output: Book/Report › Report › Research

  413 Downloads (Pure)
• 2014

  Bedre nobilis juletræer - nyt projekt

  Christensen, C. J., Pedersen, L. B., Just, J., Fredslund, H., Elgård, P., Nielsen, U. B. & Hansen, O. K., 2014, In: Nåledrys. 87, p. 60-64

  Research output: Contribution to journal › Journal article › Communication

• Dansk skovbrugs mulige bidrag til øget træproduktion og imødegåelse af klimaforandringer 2010-2100. Perspektiver for skovenes bidrag til grøn omstilling mod en biobaseret økonomi

  Graudal, L., Nielsen, U. B., Schou, E., Thorsen, B. J., Hansen, J. K., Bentsen, N. S. & Johannsen, V. K., 2014, Rev. 2014 ed. Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 15 p.

  Research output: Book/Report › Report › Research

  897 Downloads (Pure)

• En brancheindsats overfor Neonectria 

  Proschowsky, G. F., Thomsen, I. M., Nielsen, U. B. & Christensen, C. J., 2014, In: Skoven. 46, 4, p. 186-187 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Forsker- og rådgiverkonferanse i Nova Scotia 2013

  Skúlason, B., Talgø, V., Fløistad, I. S. & Nielsen, U. B., 2014, In: Nåledrys. 87, p. 44-49 6 p.

  Research output: Contribution to journal › Journal article › Communication

• Possibilities for sustainable increase of Danish produced woody biomass 2010-2100

  Graudal, L., Nielsen, U. B., Schou, E., Thorsen, B. J., Hansen, J. K., Bentsen, N. S. & Johannsen, V. K., 2014, Conference Proceedings Nordic Workshop “The forest sector in the bio-based economy – perspectives from policy and economic sciences” : August 28-29, 2013, Uppsala/Sweden. Roos, A., Kleinschmit, D., Toppinen, A., Baardsen, S., Lindstad, B. H. & Thorsen, B. J. (eds.). Sveriges Lantbruksuniversitet (SLU), p. 5-10 6 p. (SLU Forest Products - Proceedings , Vol. 2014:1).

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

  600 Downloads (Pure)

• Production potential of 36 poplar clones grown at medium length rotation in Denmark

  Nielsen, U. B., Madsen, P., Hansen, J. K., Nord-Larsen, T. & Nielsen, A. T., May 2014, In: Biomass & Bioenergy. 64, p. 99-109 11 p.

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

  • Denmark 100%
  • clone 99%
  • Populus 92%
  • Biomass 69%
  • clones 63%
  40 Citations (Scopus)

• Smitteforsøk med Neonectria neomacrospora på kvist av bartrær

  Talgø, V., Nielsen, U. B. & Thomsen, I. M., 2014, In: Nåledrys. 90, p. 34-36

  Research output: Contribution to journal › Journal article › Communication

• The design and use of forest decision support systems in Denmark

  Strange, N., Hjortsø, C. N. P., Meilby, H., Tarp, P., Nielsen, U. B. & Helles, F., 2014, Computer-based tools for supporting forest management: the experience and the expertise world-wide. Borges, J. G., Nordström, E. M., Garcia-Gonzalo, J., Hujala, T. & Trasobares, A. (eds.). Umeå: Sveriges Lantbruksuniversitet, Institutionen för skoglig resurshushållning och geomatik, p. 95-108 14 p.

  Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research › peer-review
• 2013

  Adelgid resistance

  Nielsen, U. B., 2013, 11th International Christmas Tree Research and Extension Conference. Nova Scotia, Canada: Dalhousie University, p. 25 1 p.

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

• Balsam og plastik – Nova Scotia juletræer

  Nielsen, U. B., 2013, In: Nåledrys. 86, p. 12-15 4 p.

  Research output: Contribution to journal › Journal article › Communication

• Clone differences in Neonectria sp. damage in a Danish Nordmann fir seed orchard

  Nielsen, U. B., Thomsen, I. M. & Prochowski, G. F., 2013, 11th International Christmas Tree Research & Extension Conference August 10 -14, 2013. Dalhousie University, 1 p.

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

• En opdatering på forædlingsprogrammet for nordmannsgran

  Nielsen, U. B. & Hansen, O. K., 2013, In: Nåledrys. 84, p. 12-16 5 p.

  Research output: Contribution to journal › Journal article › Communication

• En opdatering på forædlingsprogrammet for normannsgran

  Nielsen, U. B. & Hansen, O. K., 2013, In: Nåledrys. 84, p. 12-15

  Research output: Contribution to journal › Journal article › Communication

• Krebswucherungen auf Tannen in Skandinavien

  Talgø, V., Brurberg, M. B., Stensvand, A., Thomsen, I. M., Nielsen, U. B. & Cech, T., 2013, In: Nadel Journal. 16, 1, p. 16-18 3 p.

  Research output: Contribution to journal › Journal article › Communication

• Leader length control impacts choice of provenance in Nordmann for Christmas tree production

  Nielsen, U. B., 2013, 11th International Christmas Tree Research & Extension Conference August 10 -14, 2013. Dalhousie University, p. 39 1 p.

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

• Muligheder for bæredygtig udvidelse af dansk produceret vedmasse 2010-2100: perspektiver for skovenes bidrag til grøn omstilling mod en biobaseret økonomi

  Graudal, L., Nielsen, U. B., Schou, E., Thorsen, B. J., Hansen, J. K., Bentsen, N. S. & Johannsen, V. K., 2013, Frederiksberg: Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 85 p.

  Research output: Book/Report › Report › Research

  1535 Downloads (Pure)

• Næste generation i forædlingsprogrammet for nordmannsgran

  Hansen, O. K., Nielsen, U. B. & Jensen, O., 2013, In: Nåledrys. 84, p. 18-23 6 p.

  Research output: Contribution to journal › Journal article › Communication

• Poppel-hjælpe-og produktionsart

  Madsen, P., Nielsen, A. T., Madsen, E. M. & Nielsen, U. B., 2013, In: Skoven. 8, p. 316-318 3 p.

  Research output: Contribution to journal › Journal article › Communication

• Results from common source trials of Nordmann and Turkish fir in Denmark and the Pacific Northwest, USA

  Landgren, C., Chastagner, G. & Nielsen, U. B., 2013, 11th International Christmas Tree Research and Extension Conference. Nova Scotia, Canada: Dalhousie University, p. 32-34 3 p.

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

• The Vallo seed orchard: History and results from Danish field trials

  Nielsen, U. B. & Hansen, O. K., 2013, 11th International Christmas Tree Research & Extension Conference August 10 -14, 2013: Conference Schedule. Dalhousie University, 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
• 2012

  Analyse af forædlingspotentiale for højere produktivitet i skovbruget: baggrundsnotat til + 10 mio. tons planen

  Hansen, J. K. & Nielsen, U. B., 2012, 12 p..

  Research output: Memorandum/exposition › Memorandum

  7 Downloads (Pure)

• Analyse af mulighederne i nye træarter og artskombinationer samt intensiveret skovbrug: baggrundsnotat til + 10 mio. tons planen

  Madsen, P. & Nielsen, U. B., 2012, 29 p..

  Research output: Memorandum/exposition › Memorandum

  8 Downloads (Pure)

• Genetic worth and diversity across 18 years in a Nordmann fir clonal seed orchard

  Nielsen, U. B. & Hansen, O. K., Jan 2012, In: Annals of Forest Science. 69, 1, p. 69-80 12 p.

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

  • Abies nordmanniana 100%
  • seed orchards 76%
  • orchard 69%
  • clone 53%
  • seed 51%
  6 Citations (Scopus)

• Mikropilz bei Tannen

  Talgø, V., Thomsen, I. M., Nielsen, U. B., Brurberg, M. B., Stensvand, A. & Cech, T., 2012, In: Oesterreichische Forstzeitung. 123, 09, p. 34 1 p.

  Research output: Contribution to journal › Journal article › Communication

• Neonectria canker on subalpine fir (Abies lasiocarpa) in Denmark

  Talgø, V., Thomsen, I. M., Nielsen, U. B., Brurberg, M. B. & Stensvand, A., 2012, Proceedings of the 10th International Christmas Tree Research & Extension Conference. Landgren, C. (ed.). IUFRO, p. 92-96 5 p.

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

• Neue Neonectria-Art verursacht Krebswucherungen (Canker) auf Tannen (Abies spp.) in Skandinavien

  Talgø, V., Thomsen, I. M., Nielsen, U. B., Brurberg, M. B., Stensvand, A. & Cech, T., 2012, In: Forstschutz Aktuell. 54, p. 33-37 5 p.

  Research output: Contribution to journal › Journal article › Research

• Ny afprøvning af tyrkiske ædelgraner

  Nielsen, U. B., 2012, In: Nåledrys. 82, p. 62-65 4 p.

  Research output: Contribution to journal › Journal article › Communication

• Ny skadegjerar på fjelledelgran (Abies lasiocarpa) i Danmark

  Venche, T., Thomsen, I. M., Nielsen, U. B., Brurberg, M. B. & Stensvand, A., 2012, In: Bioforsk Fokus. 7, 2, p. 210-211 2 p.

  Research output: Contribution to journal › Journal article › Research

• Temadag om træ til energi

  Madsen, P., Johannsen, V. K., Stupak, I. & Nielsen, U. B., 2012, In: Skoven. 5, p. 233-235 3 p.

  Research output: Contribution to journal › Journal article › Communication

  1 Downloads (Pure)
• 2011

  Bestøvningsforhold i udvalgte nobilis træer - betydning for nye frøplantager

  Hansen, O. K., Nielsen, U. B. & Lassen, K. M., 2011, In: Nåledrys. 75, p. 41-44 4 p.

  Research output: Contribution to journal › Journal article › Communication

• Betydende faktorer for juletræsegnethed i Abies lasiocarpa

  Nielsen, U. B., Hansen, O. K. & Bjergager, C., 2011, In: Videnblade Pyntegrønt. 3.4-23, 2 p.

  Research output: Contribution to journal › Journal article › Communication

• Biomasseproduktion i skov: - eksempler fra Skov & Landskabs forsøg

  Nielsen, U. B., Jørgensen, B. B. & Hansen, J. K., 2011, In: Skoven. 10, p. 432-433 2 p.

  Research output: Contribution to journal › Journal article › Communication