Jon Kehlet Hansen
Senior Research Associate
Forest and Landscape Ecology
Rolighedsvej 23
1958 Frederiksberg C
- 2024
- Published
Genomic evaluation for breeding and genetic management in Cordia africana, a multipurpose tropical tree species
Ousmael, Kedra, Cappa, E. P., Hansen, Jon Kehlet, Hendre, P. & Hansen, Ole Kim, 2024, In: BMC Genomics. 25, 16 p., 9.Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- Published
A regional effort to develop ash trees with high tolerance towards ash dieback based on phenotypic selection
Kjær, Erik Dahl, Marciulyniene, D., Hansen, Jon Kehlet, Nielsen, Lene Rostgaard, Tollefsrud, M. M., Cleary, M. & Liziniewicz, M., 2023, Resilient Forests for the Future: Book of Abstracts. Curtu, A. L. & Ciocîrlan, E. (eds.). Transilvania University of Brașov, p. 118 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Can northern sessile oaks profit from southern genetic variants to face future climate change?
Olofsson, Jill Katharina, Lobo, Albin, Hansen, Jon Kehlet, Nielsen, Lene Rostgaard, Budde, K. B., Rellstab, C. & Kjær, Erik Dahl, 2023, Resilient Forests for the Future: Book of Abstracts. Curtu, A. L. & Ciocîrlan, E. (eds.). Transilvania University of Brașov, p. 37 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica
Koutouleas, Tina, Blunt, C., Bregar, A., Hansen, Jon Kehlet, Ræbild, Anders, Etienne, H. & Georget, F., 2023, In: Scientia Horticulturae. 320, 16 p., 112162.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Locally-selected cacao clones for improved yield: a case study in different production systems in a long-term trial
Armengot, L., Picucci, M., Milz, J., Hansen, Jon Kehlet & Schneider, M., 2023, In: Frontiers in Sustainable Food Systems. 7, 14 p., 1253063.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Manual on general management principles for breeding seed orchards (BSOs): Part II: data analysis
Hansen, Jon Kehlet, Pedercini, Fabio, Abyiu, A., Derero, A., Nørgaard, C. T., Graudal, Lars & Moestrup, Søren, 2023, World Agroforestry. 91 p.Research output: Book/Report › Report › Research
- Published
Manual on general management principles for breeding seed orchards (BSOs): Part I: Data collection and assessment of traits
Hansen, Jon Kehlet, Pedercini, Fabio, Abyiu, A., Derero, A., Nørgaard, C. T., Graudal, Lars & Moestrup, Søren, 2023, World Agroforestry. 22 p.Research output: Book/Report › Report › Research
- Published
Plant agronomy, leaf ecophysiology, yield and quality data of interspecific grafted Coffea arabica across an elevation gradient
Koutouleas, Tina, Blunt, C., Bregar, A., Hansen, Jon Kehlet, Ræbild, Anders, Etienne, H. & Georget, F., 2023, In: Data in Brief. 50, 11 p., 109560.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Resilience of European ash forests influenced by ash dieback
Kjær, Erik Dahl, Lobo, Albin, Kosawang, Chatchai, Long, Feng, Thomsen, Iben Margrete, Doonan, James, Xu, Jing, Hansen, Lars Bjerregaard, Nielsen, Lene Rostgaard & Hansen, Jon Kehlet, 2023, Resilient Forests for the Future: Book of Abstracts. Curtu, A. L. & Ciocîrlan, E. (eds.). Transilvania University of Brașov, p. 35 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 2022
- Published
Effect of temperature and osmotic stress during somatic embryogenesis on phenology and physiology of abies nordmanniana emblings
Lobo, Albin, Iver Find, J., Hansen, Jon Kehlet, Ræbild, Anders & Kjær, Erik Dahl, 15 Jun 2022, In: Forest Ecology and Management. 514, 7 p., 120212.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Variation in phenology of Acacia senegal (L.) Wild. in relation to origin and ploidy level: Implications for climatic adaptation
Diatta, O., Diallo, A. M., Sanogo, D., Nielsen, Lene Rostgaard, Ræbild, Anders, Kjær, Erik Dahl & Hansen, Jon Kehlet, 1 Jan 2022, In: Global Ecology and Conservation. 33, p. e01957 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Differences in xylem response to drought provide hints to future species selection
Huang, Weiwei, Fonti, P., Lundqvist, S. O., Larsen, Jørgen Bo, Hansen, Jon Kehlet & Thygesen, Lisbeth Garbrecht, 2022, In: New Forests. 53, p. 759–777 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Klimarobuste træarter til fremtidens skove
Hansen, Jon Kehlet, Olrik, D., Proschowsky, G. F., Lobo, Albin & Kjær, Erik Dahl, 2022, IGN, KU. 92 p. (IGN Rapport; No. oktober 2022).Research output: Book/Report › Book › Communication
- Published
Leaf morphology and stable isotope ratios of carbon and nitrogen in Acacia senegal (L.) Wild trees vary with climate at the geographic origin and ploidy level
Diatta, O., Kjær, Erik Dahl, Diallo, A. M., Nielsen, Lene Rostgaard, Novak, V., Sanogo, D., Laursen, Kristian Holst, Hansen, Jon Kehlet & Ræbild, Anders, 2022, In: Trees. 36, p. 295-312 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
Survival and growth of Acacia senegal (L.) Wild. (Senegalia senegal (L.) Britton) provenances depend on the rainfall at the site of origin
Diatta, O., Sarr, M. S., Hansen, Jon Kehlet, Diallo, A. M., Nielsen, Lene Rostgaard, Ræbild, Anders & Kjær, Erik Dahl, 1 Dec 2021, In: Annals of Forest Science. 78, 4, 16 p., 82.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Nye bøgeprovenienser til fremtidens klima?
Hansen, Jon Kehlet, Olrik, D. C., Proschowsky, G. F., Kjær, Erik Dahl & Lobo, Albin, 2021, In: Skoven. 3, p. 90-92 3 p.Research output: Contribution to journal › Journal article › Research
- Published
Variability among Sites and Climate Models Contribute to Uncertain Spruce Growth Projections in Denmark
Huang, Weiwei, Fonti, P., Ræbild, Anders, Larsen, Jørgen Bo, Wellendorf, H. & Hansen, Jon Kehlet, 2021, In: Forests. 12, 1, 20 p., 36.Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
2018-tørkens indflydelse på skovbruget 2. Tilvækst og jordvand
Callesen, Ingeborg, Jørgensen, Bruno Bilde, Vesterdal, Lars, Larsen, Klaus Steenberg, Hansen, Jon Kehlet, Thomsen, Iben Margrete, Ibrom, A. & Pilegaard, K., 2019, In: Skoven. 51, 3, p. 112-116 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Common garden comparisons confirm inherited differences in sensitivity to climate change between forest tree species
Sáenz-Romero, C., Kremer, A., Nagy, L., Újvári-Jármay, É., Ducousso, A., Kóczán-Horváth, A., Hansen, Jon Kehlet & Mátyás, C., 2019, In: PeerJ. 7, 28 p., e6213.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Genetic differentiation in leaf phenology among natural populations of Adansonia digitata L. follows climatic clines
Bamba, H., Korbo, A., Sanou, H., Ræbild, Anders, Kjær, Erik Dahl & Hansen, Jon Kehlet, 2019, In: Global Ecology and Conservation. 17, 10 p., e00544.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Klimarobuste træarter til fremtidens skove: Ægte kastanje
Hansen, Jon Kehlet, Olrik, D. C., Proschowsky, G. F. & Kjær, Erik Dahl, 2019, Frederiksberg: Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 28 p. (IGN Rapport).Research output: Book/Report › Report › Commissioned
- Published
Mere produktive vinteregeprovenienser
Hansen, Jon Kehlet & Kjær, Erik Dahl, 2019, In: Videnblade Skov og Natur. 03.03-56, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Norske vinteregeprovenienser: - forskelle i form, vækst og overlevelse
Hansen, Jon Kehlet, Kjær, Erik Dahl & Skrøppa, T., 2019, In: Videnblade Skov og Natur. 03.03-57, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Trait variations in 28-year-old teak (Tectona grandis) provenance field trials in Ghana, West Africa
Adu-Bredu, S., Ofori, D. A., Ræbild, Anders, Hansen, Jon Kehlet, Koffi, A., Vigneron, P. & Kjær, Erik Dahl, 2019, In: Southern Forests. 81, 1, p. 57-68 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Vedr. vurdering af 2018-tørkens indflydelse på skovbruget - opdatering vinter 2018/2019: Sagsnotat
Thomsen, Iben Margrete, Jørgensen, Bruno Bilde, Callesen, Ingeborg, Vesterdal, Lars, Ravn, Hans Peter, Hansen, Jon Kehlet, Kjær, Erik Dahl, Nord-Larsen, Thomas, Larsen, Klaus Steenberg, Johannsen, VK & Ibrom, A., 2019, 18 p.. Jan 17, 2019.Research output: Memorandum/exposition › Memorandum
- 2018
- Published
Assessing inter- and intraspecific variability of xylem vulnerability to embolism in oaks
Lobo, Albin, Torres-Ruiz, J. M., Burlett, R., Lemaire, C., Parise, C., Francioni, C., Truffaut, L., Tomášková, I., Hansen, Jon Kehlet, Kjær, Erik Dahl, Kremer, A. & Delzon, S., 2018, In: Forest Ecology and Management. 424, p. 53-61 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Differences among six woody perennials native to Northern Europe in their level of genetic differentiation and adaptive potential at fine local scale
Lobo, Albin, Hansen, Jon Kehlet, Hansen, Lars Nørgaard & Kjær, Erik Dahl, 2018, In: Ecology and Evolution. 8, 4, p. 2231-2239 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Formidling af langsigtede feltforsøg på internettet
Jørgensen, Bruno Bilde, Riis-Nielsen, Torben, Kudahl, Thomas, Sørensen, Ib Holmgård, Alban, Morten, Hansen, Jon Kehlet, Stranddorf, M. & Johannsen, VK, 2018, In: Skoven. 1, p. 14-18 5 p.Research output: Contribution to journal › Journal article › Communication
- Published
Genetic diversity and genotypic stability in Prunus avium L. at the northern parts of species distribution range
Lobo, Albin, Kjær, Erik Dahl, Olrik, D. C., Stener, L. & Hansen, Jon Kehlet, 2018, In: Annals of Forest Science. 75, 2, 8 p., 62.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- Published
Local adaptation through genetic differentiation in highly fragmented Tilia cordata populations
Lobo, Albin, Hansen, Ole Kim, Hansen, Jon Kehlet, Erichsen, E. O., Jacobsen, B. & Kjær, Erik Dahl, 2018, In: Ecology and Evolution. 8, 12, p. 5968-5976 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Phenotypic trait variation measured on European genetic trials of Fagus sylvatica L
BeechCOSTe52 database consortium, B. D. C., 2018, In: Scientific Data. 5, p. 1-7 180149.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of climate on wood density: What provenance trials tell us?
Nabais , C., Hansen, Jon Kehlet, David-Schwartz, R., Klisz, M., López, R. & Rozenberg, P., 2018, In: Forest Ecology and Management. 408, p. 148-156 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2017
- Published
Adaptive and plastic responses of Quercus petraea populations to climate across Europe
Sáenz-Romero, C., Lamy, J., Ducousso, A., Musch, B., Ehrenmann, F., Delzon, S., Cavers, S., Chałupka, W., Dağdaş, S., Hansen, Jon Kehlet, Lee, S. J., Liesebach, M., Rau, H., Psomas, A., Schneck, V., Steiner, W., Zimmermann, N. E. & Kremer, A., 2017, In: Global Change Biology. 23, 7, p. 2831-2847 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chilling and forcing requirements for foliage bud burst of European beech (Fagus sylvatica L.) differ between provenances and are phenotypically plastic
Kramer, K., Ducousso, A., Gömöry, D., Hansen, Jon Kehlet, Ionita, L., Liesebach, M., Lorenţ, A., Schüler, S., Sulkowska, M., de Vries, S. & von Wühlisch, G., 2017, In: Agricultural and Forest Meteorology. 234–235, p. 172-181 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- Published
Genetics of ash dieback resistance in a restoration context – experiences from Denmark
Kjær, Erik Dahl, McKinney, L. V., Hansen, Lars Nørgaard, Olrik, D. C., Lobo, Albin, Thomsen, Iben Margrete, Hansen, Jon Kehlet & Nielsen, Lene Rostgaard, 2017, Dieback of European ash (Fraxinus spp.) – consequences and guidelines for sustainable management . Vasaitis, R. & Enderle, R. (eds.). SLU, Sweden, p. 106-114 9 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Genetisk variasjon mellom norske populasjoner av eik
Skrøppa, T., Fjellstad, K. B. & Hansen, Jon Kehlet, 2017, NIBIO Rapport. Siyad, A. (ed.). 69 ed. Ås Norge, Vol. 3. 19 p.Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- Published
Klimarobuste træer til fremtidens skove
Olrik, D. C., Proschowsky, G. F., Hansen, Jon Kehlet, Lobo, Albin & Kjær, Erik Dahl, 2017, In: Skoven. 2017, 4, p. 174-175 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Projecting tree-growth responses into future climate: A study case from a Danish-wide common garden
Huang, Weiwei, Fonti, P., Larsen, Jørgen Bo, Ræbild, Anders, Callesen, Ingeborg, Pedersen, N. B. & Hansen, Jon Kehlet, 2017, In: Agricultural and Forest Meteorology. 247, p. 240-251 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The genetic and economic gains from forest tree breeding programmes in Scandinavia and Finland
Jansson, G., Hansen, Jon Kehlet, Haapanen, M., Kvaalen, H. & Steffenrem, A., 2017, In: Scandinavian Journal of Forest Research. 32, 4, p. 273-286 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
- Published
Forædling af douglasgran. Fremtidens frøkilder af douglasgran - bedre vækst og højere kvalitet
Hansen, Jon Kehlet, Proschowsky, G. F. & Kjær, Erik Dahl, 2016, In: Skoven. 48, 5, p. 210-213 4 p.Research output: Contribution to journal › Journal article › Research
- Published
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, Lars, Nielsen, Ulrik Braüner, Schou, E., Thorsen, Bo Jellesmark, Hansen, Jon Kehlet, Bentsen, Niclas Scott & Johannsen, VK, 2016, 01 ed. IEA Bioenergy. 23 p.Research output: Book/Report › Report › Commissioned
- 2015
- Published
Study of quantitative genetics of gum arabic production complicated by variability in ploidy level of Acacia senegal (L.) Willd
Diallo, A. M., Nielsen, Lene Rostgaard, Hansen, Jon Kehlet, Ræbild, Anders & Kjær, Erik Dahl, Aug 2015, In: Tree Genetics & Genomes. 11, 4, 80.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Genetic variation in dieback resistance in Fraxinus excelsior confirmed by progeny inoculation assay
Lobo, Albin, McKinney, L. V., Hansen, Jon Kehlet, Kjær, Erik Dahl & Nielsen, Lene Rostgaard, 2015, In: Forest Pathology (Print). 45, 5, p. 379–387 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Loss of Genetic Diversity of Jatropha curcas L. through Domestication: Implications for Its Genetic Improvement
Sanou, H., Angel Angulo-Escalante, M., Martinez-Herrera, J., Kone, S., Nikiema, A., Kalinganire, A., Hansen, Jon Kehlet, Kjær, Erik Dahl, Graudal, Lars & Nielsen, Lene Rostgaard, 2015, In: Crop Science. 55, 2, p. 749-759Research output: Contribution to journal › Journal article › Research › peer-review
- 2014
- Published
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, Lars, Nielsen, Ulrik Braüner, Schou, E., Thorsen, Bo Jellesmark, Hansen, Jon Kehlet, Bentsen, Niclas Scott & Johannsen, VK, 2014, Rev. 2014 ed. Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 15 p.Research output: Book/Report › Report › Research
- Published
Genetic variation in dieback resistance: growth and survival of Fraxinus excelsior under the influence of Hymenoscyphus pseudoalbidus
Lobo, Albin, Hansen, Jon Kehlet, McKinney, L. V., Nielsen, Lene Rostgaard & Kjær, Erik Dahl, 2014, In: Scandinavian Journal of Forest Research. 29, 6, p. 519-526 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Possibilities for sustainable increase of Danish produced woody biomass 2010-2100
Graudal, Lars, Nielsen, Ulrik Braüner, Schou, E., Thorsen, Bo Jellesmark, Hansen, Jon Kehlet, Bentsen, Niclas Scott & Johannsen, VK, 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
- Published
Production potential of 36 poplar clones grown at medium length rotation in Denmark
Nielsen, Ulrik Braüner, Madsen, P., Hansen, Jon Kehlet, Nord-Larsen, Thomas & Nielsen, A. T., 2014, In: Biomass & Bioenergy. 64, p. 99-109 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The ash dieback crisis: genetic variation in resistance can prove a long-term solution
McKinney, L. V., Nielsen, Lene Rostgaard, Collinge, David B., Thomsen, Iben Margrete, Hansen, Jon Kehlet & Kjær, Erik Dahl, 2014, In: Plant Pathology. 63, 3, p. 485-499 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2013
- Published
Breeding for high production of leaves of baobab (Adansonia digitata L) in an irrigated hedge system
Korbo, A., Kjær, Erik Dahl, Sanou, H., Ræbild, Anders, Jensen, J. S. & Hansen, Jon Kehlet, 2013, In: Tree Genetics & Genomes. 9, 3, p. 779-793 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Frøplantage Grevindeskoven FP 801 med stilkeg
Hansen, Jon Kehlet, Jensen, J. S., Wellendorf, H., Jensen, V. & Kjær, Erik Dahl, 2013, In: Skoven. 9, p. 376-377 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Muligheder for bæredygtig udvidelse af dansk produceret vedmasse 2010-2100: perspektiver for skovenes bidrag til grøn omstilling mod en biobaseret økonomi
Graudal, Lars, Nielsen, Ulrik Braüner, Schou, E., Thorsen, Bo Jellesmark, Hansen, Jon Kehlet, Bentsen, Niclas Scott & Johannsen, VK, 2013, Frederiksberg: Institut for Geovidenskab og Naturforvaltning, Københavns Universitet. 85 p.Research output: Book/Report › Report › Research
- Published
Sitka spruce (Picea sitchensis (Bong.) Carr)
Lee, S., Thompson, D. & Hansen, Jon Kehlet, 2013, Forest tree breeding in Europe : current state-of-the-art and perspectives. Pâques, L. E. (ed.). Springer, p. 177-227 51 p. (Managing Forest Ecosystems, Vol. 25).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Sitka spruce (Picea sitchensis (Bong.) Carr).
Hansen, Jon Kehlet, Lee, S. J. & Thompson, D., 2013, Forest tree breeding in Europe: Current state-of-the-art and perspectives. Paque, L. E. (ed.). Springer, Vol. 25. p. 177-227 51 p. (Managing Forest Ecosystems).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 2012
- Published
Adaptive potential of ash (Fraxinus excelsior) populations against the novel emerging pathogen Hymenoscyphus pseudoalbidus
Kjær, Erik Dahl, McKinney, L. V., Nielsen, Lene Rostgaard, Hansen, Lars Nørgaard & Hansen, Jon Kehlet, 2012, In: Evolutionary Applications. 5, 3, p. 219-228 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Adaptive potential of nine native woody species in relation to climate change
Kjær, Erik Dahl, Hansen, Lars Nørgaard & Hansen, Jon Kehlet, 2012. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
- Published
Comparison of east and west african populations of baobab (Adansonia digitata L.)
Korbo, A., Sanou, H., Ræbild, Anders, Jensen, J. S., Hansen, Jon Kehlet & Kjær, Erik Dahl, 2012, In: Agroforestry Systems. 85, 3, p. 505-518 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Frøplantage med dansk stilkeg I: frøplantage FP.801 på Bregentved
Hansen, Jon Kehlet, Jensen, J. S., Kjær, Erik Dahl, Jensen, V. & Wellendorf, H., 2012, In: Videnblade Skov og Natur. 3.3-50, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Frøplantage med dansk stilkeg II: resultater fra frøplantage FP.801 på Bregentved
Hansen, Jon Kehlet, Jensen, J. S., Kjær, Erik Dahl, Jensen, V. & Wellendorf, H., 2012, In: Videnblade Skov og Natur. 3.3-51, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Frøplantage med dansk stilkeg III: forudsigelse af gevinster ved tynding
Hansen, Jon Kehlet, Jensen, J. S., Kjær, Erik Dahl, Jensen, V. & Wellendorf, H., 2012, In: Videnblade Skov og Natur. 3.3-52, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Frøplantage med hollandsk/holstensk stilkeg I: frøplantage FP.802 på Bregentved
Hansen, Jon Kehlet, Jensen, J. S., Kjær, Erik Dahl, Jensen, V. & Wellendorf, H., 2012, In: Videnblade Skov og Natur. 3.3-53, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Frøplantage med hollandsk/holstensk stilkeg II: resultater fra frøplantage FP.802 på Bregentved
Hansen, Jon Kehlet, Jensen, J. S., Kjær, Erik Dahl, Jensen, V. & Wellendorf, H., 2012, In: Videnblade Skov og Natur. 3.3-54, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Frøplantage med hollandsk/holstensk stilkeg III: forudsigelse af gevinster ved tynding
Hansen, Jon Kehlet, Jensen, J. S., Kjær, Erik Dahl, Jensen, V. & Wellendorf, H., 2012, In: Videnblade Skov og Natur. 3.3-55, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Genetic variation in susceptibility to ash dieback
Nielsen, Lene Rostgaard, McKinney, L. V., Hansen, Jon Kehlet, Thomsen, Iben Margrete & Kjær, Erik Dahl, 2012, In: Forstschutz Aktuell. 55, p. 64-65 2 p.Research output: Contribution to journal › Conference article › Research
- Published
Plantetal i bøg versus stammekvalitet: - belyst ud fra nogle bevoksningsplejeforsøg
Jørgensen, Bruno Bilde & Hansen, Jon Kehlet, 2012, In: Skoven. 10, 2 p.Research output: Contribution to journal › Journal article › Research
- Published
Presence of natural genetic resistance in common ash (Fraxinus excelsior) to Hymenoscyphus pseudoalbidus
McKinney, L. V., Nielsen, Lene Rostgaard, Hansen, Jon Kehlet & Kjær, Erik Dahl, 2012. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Proveniensvalg i forhold til nuværende og forventede klima
Hansen, Jon Kehlet & Kjær, Erik Dahl, 2012, In: Skoven. 10, p. 454-455 2 p.Research output: Contribution to journal › Journal article › Research
- Published
Sitkabladlus, klimaændringer og sitkadyrkning i Danmark
Hansen, Jon Kehlet, Harding, S., Jensen, V. & Ravn, Hans Peter, 2012, In: Skoven. 44, 2, p. 90-94 5 p.Research output: Contribution to journal › Journal article › Research
- Published
Stilkeg nu også med frøplantageafkom
Hansen, Jon Kehlet, Jensen, J. S., Wellendorf, A. H., Jensen, V. & Kjær, Erik Dahl, 2012, In: Skoven. 11, p. 520-523 4 p.Research output: Contribution to journal › Journal article › Research
- 2011
- Published
Betydning af forskelle i resistens mod sitkabladlus
Hansen, Jon Kehlet, Harding, S., Ravn, Hans Peter, Jensen, V. & Thomsen, Iben Margrete, 2011, In: Videnblade Skov og Natur. 8.10-15, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Biomasseproduktion i skov: - eksempler fra Skov & Landskabs forsøg
Nielsen, Ulrik Braüner, Jørgensen, Bruno Bilde & Hansen, Jon Kehlet, 2011, In: Skoven. 10, p. 432-433 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Choice of quality planting stock of teak: the question of a "genetic business plan"
Kjær, Erik Dahl, Graudal, Lars, Ditlevsen, B. & Hansen, Jon Kehlet, 2011, Innovations in the management of planted teak forests: Proceedings of the International Training Programme, Kerala Forest Research Institute, Peechi, India, 2011. Jayaraman, K. & Bhat, K. V. (eds.). TEAKNET/KFRI, 3 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
Hvad er asketoptørre?
Thomsen, Iben Margrete, McKinney, L. V., Nielsen, Lene Rostgaard, Hansen, Lars Nørgaard, Hansen, Jon Kehlet, Jensen, V., Jørgensen, Bruno Bilde, Kjær, Erik Dahl & Skovsgaard, J. P., 2011, In: Skovdyrkeren. 4, p. 5-6 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Hvad stiller man op med asketoptørre?
Thomsen, Iben Margrete, McKinney, L. V., Nielsen, Lene Rostgaard, Hansen, Lars Nørgaard, Hansen, Jon Kehlet, Jensen, V., Jørgensen, Bruno Bilde, Kjær, Erik Dahl & Skovsgard, J. P., 2011, In: Skovdyrkeren. 4, p. 3-4 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Impact of site and provenance on economic return in Nordmann fir christmas tree production
Nielsen, Ulrik Braüner, Hansen, Jon Kehlet & Kromann, H. K., 2011, In: Scandinavian Journal of Forest Research. 26, p. 74-89 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Presence of natural genetic resistance in Fraxinus excelsior (Oleraceae) to Chalara fraxinea (Ascomycota): an emerging infectious disease
McKinney, L. V., Nielsen, Lene Rostgaard, Hansen, Jon Kehlet & Kjær, Erik Dahl, 2011, In: Heredity. 106, p. 788–797 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sitkagrankloner til biomasseproduktion: potentiale i eksisterende forædlingsprogrammer
Hansen, Jon Kehlet & Roulund, H., 2011, In: Videnblade Skov og Natur. 3.4-4, 2 p.Research output: Contribution to journal › Journal article › Communication
- 2010
- Published
Findes der asketræer som kan modstå asketoptørre?
Kjær, Erik Dahl, McKinney, L. V., Hansen, Jon Kehlet, Hansen, Lars Nørgaard, Jensen, V., Olrik, D., Thomsen, Iben Margrete & Nielsen, Lene Rostgaard, 2010, In: Skoven. 1, p. 38-41 4 p.Research output: Contribution to journal › Journal article › Communication
- Published
Genetic variation in responses to different soil water treatments in Quercus robur L.
Jensen, J. S. & Hansen, Jon Kehlet, 2010, In: Scandinavian Journal of Forest Research. 25, 5, p. 400-411 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Towards domestication of Jatropha curcas
Achten, W. M. J., Nielsen, Lene Rostgaard, Aerts, R., Lengkeek, A. G., Kjær, Erik Dahl, Trabucco, A., Hansen, Jon Kehlet, Maes, W. H., Graudal, Lars, Akinnifesi, F. K. & Muys, B., 2010, In: Biofuels. 1, 1, p. 91-107 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Towards domestication of Jatropha curcas: a review
Achten, W. M., Nielsen, L. R., Aerts, R., Lengkeek, A. G., Kjær, Erik Dahl, Trabucco, A., Hansen, Jon Kehlet, Maes, W. H., Graudal, Lars, Akinnifesi, F. K. & Muys, B., 2010, In: Biofuels.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
- Published
Climate change: study norm of reactions for European sessile oak populations based on results from a European series of field trials
Hansen, Jon Kehlet, 2009. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Douglasgran: frøkilder især til skovtræer på Plantevalg.dk
Hansen, Jon Kehlet, Skarvig, I. & Thomsen, Iben Margrete, 2009, In: Videnblade Pyntegrønt. 3.7-3, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Karakteregenskaber for en række douglasgranfrøkilder
Hansen, Jon Kehlet, 2009, In: Videnblade Skov og Natur. 3.3-48, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Sitkagran: det bedste plantemateriale med Plantevalg.dk
Hansen, Jon Kehlet, 2009, In: Videnblade Skov og Natur. 3.3-49, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Vintereg anvendt til vedproduktion: det bedste plantemateriale med Plantevalg.dk
Hansen, Jon Kehlet, Skarvig, I. & Jørgensen, Bruno Bilde, 2009, In: Videnblade Skov og Natur. 3.3-47, 2 p.Research output: Contribution to journal › Journal article › Communication
- 2008
- Published
Biologisk diversitet
Bastrup-Birk, Annemarie, Riis-Nielsen, Torben, Hansen, Jon Kehlet & Petersen, F. R., 2008, Skove og plantager 2006. Nord-Larsen, T., Johannsen, V. K., Jørgensen, B. B. & Bastrup-Birk, A. (eds.). Museum Tusculanum, p. 87-105 19 p.Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- Published
Det bedste plantemateriale til skov og landskab med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Skov og Natur. 3.3-42, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Det bedste plantemateriale til skov og landskab med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Park og Landskab. 8.0-9, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Det bedste plantemateriale til skov og landskab med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Pyntegrønt. 3.0-1, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Det bliver lettere at vælge gode planter
Ditlevsen, B., Kjær, Erik Dahl & Hansen, Jon Kehlet, 2008, In: Skoven. 40, 2, p. 90-91 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Douglasgran: det bedste plantemateriale med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Skov og Natur. 3.3-45, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Genetic resources for higher productivity of planted teak forests
Hansen, Jon Kehlet, Ræbild, Anders, Kjær, Erik Dahl, Ofori, D., Koffi, A. & Vigneron, P., 2008, Regional Workshop: Processing and Marketing of Teak Wood Products of Planted Forests. Bhat, K. M., Balasundaran, M., Bhat, K. V., Muralidharan, E. M. & Thulasidas, P. K. (eds.). Kerala Forest Research Institute, p. 246-249 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
Geographical variation in phenology of Quercus petraea (Matt.) Liebl and Quercus robur L. oak grown in a greenhouse
Svejgaard Jensen, J. & Hansen, Jon Kehlet, 2008, In: Scandinavian Journal of Forest Research. 23, 2, p. 179-188 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prioritering for udvælgelse med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Skov og Natur. 3.3-43, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Prioritering for udvælgelse med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Pyntegrønt. 3.0-2, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Prioritering for udvælgelse med Plantevalg.dk
Hansen, Jon Kehlet & Kafé, I. S., 2008, In: Videnblade Park og Landskab. 8.0-10, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Stilkeg: det bedste plantemateriale med Plantevalg.dk
Hansen, Jon Kehlet & Kafe, I. S. S., 2008, In: Videnblade Skov og Natur. 3.3-44, 2 p.Research output: Contribution to journal › Journal article › Communication
- 2007
- Published
Growth, stem quality and age-age correlations in a teak provenance trial in Tanzania
Pedersen, A. P., Hansen, Jon Kehlet, Mtika, J. M. & Msangi, T. H., 2007, In: Silvae Genetica. 56, 3-4, p. 142-148 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Internationale proveniensforsøg med vintereg i Danmark II
Hansen, Jon Kehlet & Kromann, H. K., 2007, In: Videnblade Skovbrug. 3.3-41, 2 p.Research output: Contribution to journal › Journal article › Communication
- 2006
- Published
Forsøg med vestnorske skovfyrprovenienser
Kromann, H. K. & Hansen, Jon Kehlet, 2006, In: Videnblade Skovbrug. 3.3-40, p. 1-2 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Root CSA-root biomass prediction models in six tree species and improvement of models by inclusion of root architectural parameters
Nielsen, C. N. & Hansen, Jon Kehlet, 2006, In: Plant and Soil. 280, 1-2, p. 339-356 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Træ til energi: det er bare med at komme i gang!
Graudal, Lars, Hansen, Jon Kehlet & Felby, C., 2006, In: Vaekst. 127, 4, p. 16-17 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Træartsvalg og klimaændringer
Hansen, Jon Kehlet, Kjær, Erik Dahl & Graudal, Lars, 2006, In: Vaekst. 127, 4, p. 18-22 5 p.Research output: Contribution to journal › Journal article › Communication
- 2005
- Published
Low cost improvement of coastal douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) by application of the breeding seed orchard approach in Denmark
Hansen, Jon Kehlet, Wellendorf, H. & Kjær, Erik Dahl, 2005, In: Silvae Genetica. 54, 4-5, p. 218-227 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Variation mellem danske bøgeprovenienser
Hansen, Jon Kehlet & Kromann, H. K., 2005, In: Videnblade Skovbrug. 3.3-39, p. 1-2 2 p.Research output: Contribution to journal › Journal article › Communication
- 2004
- Published
Afkom af kårede danske ædelgranbevoksninger
Kromann, H. K. & Hansen, Jon Kehlet, 2004, In: Videnblade Skovbrug. 3.3-38, 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
Effect of short-term high dietary calcium intake on 24-h energy expenditure, fat oxidation, and fecal fat excretion
Hansen, Jon Kehlet, Jacobsen, R. P. & Astrup, A., 2004. 1 p.Research output: Contribution to conference › Paper › Research
- Published
European silver fir (Abies alba Mill.) provenances from Calabria, southern Italy: 15-year results from Danish provenance field trials
Hansen, Jon Kehlet & Larsen, Jørgen Bo, 2004, In: European Journal of Forest Research (Print Edition). 123, 2, p. 127-138 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Norway spruce conversion: Summarising discussion and Conclusions
Skovsgaard, J. P., Spiecker, H. & Hansen, Jon Kehlet, 2004, Norway Spruce Conversion Options and Consequences. Spiecker, H., Hansen, J., Klimo, E., Skovsgaard, J. P., Sterba, H. & von Teuffel, K. (eds.). Brill, Vol. 18. p. 253-264 12 p. (European Forest Institute Research Report).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 2003
- Published
Variation of quality and predicted economic returns between european beech (Fagus sylvatica L.) provenances
Hansen, Jon Kehlet, Jørgensen, Bruno Bilde & Stoltze, P., 2003, In: Silvae Genetica. (5-6), 5-6, p. 185-197 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2001
- Published
Bedre sitkagrantømmer i fremtiden
Hansen, Jon Kehlet & Roulund, H., 2001, In: Skoven. 8, p. 351-353 3 p.Research output: Contribution to journal › Journal article › Communication
- 2000
- Published
Røde Rødgraner, varme vintre, havsalt og luftforurening: resultater fra et SJVF rammeprogram (2)
Saxe, H., Leverenz, J., Knudsen, J. E., Ræbild, Anders, Paludan-Müller, G., Hansen, Jon Kehlet & Larsen, Jørgen Bo, 2000, In: Skoven. 9, p. 398-405 8 p.Research output: Contribution to journal › Journal article › Communication
- 1999
- Published
Functional aspects of root architecture and biomass allocation of six major European forest tree species: (contract AIR3-CT93-1269) short running title "Treearch"
Nørgaard Nielsen, C. & Hansen, Jon Kehlet, 1999, 299 p.Research output: Book/Report › Book › Education
- Published
Functional aspects of root architecture and biomass allocation of six major European forest tree species: appendixes to the report
Nørgaard Nielsen, C. & Hansen, Jon Kehlet, 1999, 319 p.Research output: Book/Report › Book › Education
- Published
Genetic variation of spiral grain in sitka spruce growing in Denmark: multiple-trait selection for improved timber quality
Hansen, Jon Kehlet, 1999, Copenhagen: Royal Veterinary and Agricultural University, Department of Economics and Natural Resources, Arboretum. 111 p.Research output: Book/Report › Ph.D. thesis › Research
- 1998
- Published
Decline and physiological response to foliar-deposited salt in Norway spruce genotypes: a comparative analysis
Hansen, Jon Kehlet, Saxe, H., Ræbild, Anders, Nørgaard Nielsen, C., Simonsen, J. P., Larsen, Jørgen Bo & Wellendorf, H., 1998, In: Canadian Journal of Forest Research. 28, 12, p. 1879-1889 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Genetic parameters for spiral grain, in two 18-year-old progeny trials with Sitka spruce in Denmark
Hansen, Jon Kehlet & Roulund, H., 1998, In: Canadian Journal of Forest Research. 28, 6, p. 920-931 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spiral grain in a clonal trial with Sitka spruce
Hansen, Jon Kehlet & Roulund, H., 1998, In: Canadian Journal of Forest Research. 28, 6, p. 911-919 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1997
- Published
Genetic parameters for spiral grain, stem form, pilodyn and growth in 13 years old clones of Sitka spruce (Picea sitchensis (Bong.) Carr.)
Hansen, Jon Kehlet & Roulund, H., 1997, In: Silvae Genetica. (2-3), p. 107-113 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4222925
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Choice of quality planting stock of teak: the question of a "genetic business plan"
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Muligheder for bæredygtig udvidelse af dansk produceret vedmasse 2010-2100: perspektiver for skovenes bidrag til grøn omstilling mod en biobaseret økonomi
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Dansk skovbrugs mulige bidrag til øget træproduktion og imødegåelse af klimaforandringer 2010-2100. Perspektiver for skovenes bidrag til grøn omstilling mod en biobaseret økonomi
Research output: Book/Report › Report › Research
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