Academic literature on the topic 'Douglas fir (Pseudotsuga menziesii Mirb. Franco)'

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Journal articles on the topic "Douglas fir (Pseudotsuga menziesii Mirb. Franco)"

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Funk, A., T. A. D. Woods, and Sarah J. Hopkinson. "Hormonema merioides n.sp., on Douglas-fir needles." Canadian Journal of Botany 63, no. 9 (1985): 1579–81. http://dx.doi.org/10.1139/b85-219.

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Hart, V., M. Nentvichová-Hartová, and P. Tauchman. "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration." Journal of Forest Science 56, No. 5 (2010): 209–17. http://dx.doi.org/10.17221/77/2009-jfs.

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Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration under parent stand after weed suppression was investigated in the area of the Training Forest Enterprise in Kostelec nad Černými lesy. The study evaluates two measurements made in a two-year interval. The parent stand, where Douglas fir grows in mixture with our domestic tree species, is one of the oldest and most productive stands at the Training Forest Enterprise in Kostelec nad Černými lesy. Herbicides for the control of weeds were applied onto three permanent experimental plots under the parent st
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Alfaro, René I., and Roy F. Shepherd. "Tree-Ring Growth of Interior Douglas-Fir After One Year's Defoliation by Douglas-Fir Tussock Moth." Forest Science 37, no. 3 (1991): 959–64. http://dx.doi.org/10.1093/forestscience/37.3.959.

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Abstract Reductions in ring width of Douglas-fir, Pseudotsuga menziesii [Mirb.] Franco, trees defoliated for 1 year by the Douglas-fir tussock moth, Orgyia pseudotsugata (McDunnough), are reported. Trees were treated with a nuclear polyhedrosis virus, but the resultant epizootic which killed larvae and reduced defoliation took several weeks to develop and trees sustained varying degrees of damage. No negative effects of defoliation were noted in the year when feeding took place; on the contrary, a growth stimulation occurred. Defoliation levels above 50% resulted in growth reduction for 2 year
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de Kort, Ingrid. "Relationships Between Sapwood Amount, Latewood Percentage, Moisture Content and Crown Vitality of Douglas Fir, Pseudotsuga Menziesii." IAWA Journal 14, no. 4 (1993): 413–27. http://dx.doi.org/10.1163/22941932-90000596.

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Relationships between sapwood amount, latewood percentage, moisture content and crown vitality were studied in 171 Douglas firs [Pseudotsuga menziesii (Mirb.) Franco] belonging to different vitality classes. The trees originated from 10 stands in the Netherlands varying in age from 25-70 years.
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Kaundun, Shiv Shankhar, Philippe Lebreton, and Alain Bailly. "Needle flavonoid variation in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii) populations." Canadian Journal of Botany 76, no. 12 (1998): 2076–83. http://dx.doi.org/10.1139/b98-187.

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The variability of six Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) populations was studied with the help of needle flavonoids. Of the two proanthocyanidins and six flavonols detected and measured by high performance liquid chromatography, myricetin and prodelphinidin allowed partial separation of the sampled coastal Douglas-fir populations into three geographical groups. Even though conspicuous differences were found between the northernmost and southernmost provenances, flavonoid markers were insufficient to identify the origin of a coastal Douglas-fir population without
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Mauer, O., and E. Palátová. " Root system development in Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) on fertile sites." Journal of Forest Science 58, No. 9 (2012): 400–409. http://dx.doi.org/10.17221/94/2011-jfs.

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The paper analyses the root system development in the artificially established stands of Douglas fir aged 10, 20, 30, 60 and 80 years on aerated soils (Cambisols) without skeleton. On these sites, the Douglas fir develops a uniform root system of substitute taproots and anchors, which has great predispositions to assure the good mechanical stability of trees as well as its resistance to sudden changes in upper soil horizons. Several anchors growing in positive geotropic direction shoot from the stem base, several slant anchors shooting from the side of the stem base turn into the positive geot
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Marshall, Valin G., and Hugh J. Barclay. "Response of young Douglas-fir to urea fertilizer applied on and off snow." Forestry Chronicle 70, no. 3 (1994): 294–98. http://dx.doi.org/10.5558/tfc70294-3.

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The effects of 200 kg N ha−1 applied as urea fertilizer on 50 cm of snow or on bare ground were studied in an 11-year-old Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantation on Vancouver Island. Analysis was done on all trees per plot and on 20 selected dominant trees per plot. Up to 2 years after fertilization, urea significantly increased absolute DBH increments over controls in all trees and the 20 selected trees per plot; response to fertilization on snow was equal to that on bare ground. Between the 3rd and 9th year following fertilization, mean DBH increments were not significa
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El-Kassaby, Yousry A., and Hugh J. Barclay. "Cost of reproduction in Douglas-fir." Canadian Journal of Botany 70, no. 7 (1992): 1429–32. http://dx.doi.org/10.1139/b92-179.

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The balance between allocating energy resources to reproduction or growth has considerable theoretical interest. Conflicting ecological requirements and evolutionary pressures often necessitate a trade-off in energy allocation. We obtained measurements on seed-cone production and annual ring width of 365 Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) trees from 29 open-pollinated families for 8 years. Phenotypic, genetic, and environmental correlations were computed for seed-cone production and ring width for each year. Five of the eight environmental correlations were negative (range −0.0
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Kostic, Olga, Miroslava Mitrovic, and Pavle Pavlovic. "Douglas fir impact on the dynamics and composition of humus in the soil of indigenous beech forest in western Serbia." Zbornik Matice srpske za prirodne nauke, no. 138 (2020): 83–95. http://dx.doi.org/10.2298/zmspn2038083k.

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This study investigates the impact of organic matter from Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) on the amount and composition of humus in acid brown soil in a climatoregional beech forest (Fagetum moesiacae montanum B. Jov. 1967 s.l.) on Mt. Maljen. To accomplish this objective, we performed a one-year litterbag decomposition experiment with litterfall from Fagus moesiaca and Pseudotsuga menziesii. The quantitative and qualitative content of humus and the intensity of the decomposition process of organic mat?ter from beech and Douglas fir were analysed. Less humus was found during
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Sychra, D., and O. Mauer. "Prosperity of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) plantations in relation to the shelter." Journal of Forest Science 59, No. 9 (2013): 352–58. http://dx.doi.org/10.17221/84/2012-jfs.

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The study evaluates the mortality, growth and qualitative characteristics of Douglas fir transplants planted out on clear-cut areas with different shelter. We assessed 11 clearings situated in the Forest Site Complex 4K – acidic beech (Fagetum acidophilum). The young trees were assessed 3 years after planting for the following parameters: total shoot length, increment, root collar diameter, number of multiple stems, stem curvature, crown form, length of needles, colour of needles and frost damage. The lowest mortality and the best growth of Douglas fir plants were recorded in small,
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Dissertations / Theses on the topic "Douglas fir (Pseudotsuga menziesii Mirb. Franco)"

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Koshy, Mathew P. "Genetic effects on wood shrinkage, relative density, grain angle, tracheid length, and fibril angle in Douglas-fir (Pseudotsuga menziessi var. menziesii (mirb.) franco)." Thesis, University of British Columbia, 1993. http://hdl.handle.net/2429/41465.

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Seven wood traits: shrinkage (longitudinal, tangential, and radial), relative density, grain angle, tracheid length, and fibril angle, and two growth traits, height and diameter at breast height were analyzed in 413 trees belonging to 48 full-sibfamilies (4 pollen and 12 seed parents) from an 18- year-old coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) progeny test . Clones from six of the parents also were sampled. Six samples per age level (age levels 0 to 4 along stem radii), with two rings in each age level, were examined in a bolt taken at breast height
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Akhter, Shaheen. "The provenance variation in natural durability of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)." Thesis, Bangor University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367387.

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Fontes, Luís. "The performance, constraints and potential of Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] in Portugal." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249393.

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Cunningham, Catherine A. "Bark Beetle Activity in Douglas-Fir, Pseudotsuga menziesii var. glauca Mirb. (Franco), Following the 1994 Beaver Mountain Fire." DigitalCommons@USU, 1997. https://digitalcommons.usu.edu/etd/7267.

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The 1994 Beaver Mountain fire ignited the canopies of subalpine fir, Abies lasiocarpa, and spread ground fire into adjacent Douglas-fir forests, Pseudotsuga menziesii var. glauca. Despite shorter flight seasons due to lower annual temperatures and persistent snow, the Douglas-fir bark beetle, Dendroctonus pseudotsugae Hopkins, attacked a range of moderately fire-injured host conifers. Logistic regression models illustrated that in 1995 associated bark beetles selected large diameter Douglas-fir with 60-80% bole char, 60-80% crown volume scorch, and 50-70% probability of mortality due to fire.
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Chatthai, Malinee. "Molecular characterization and regulation of embryogenesis-associated genes in Douglas-fir (Pseudotsuga menziesiic (Mirb.) Franco)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0015/NQ44790.pdf.

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Kantarl, Mustafa. "Intraspecific variation in the IUFRO 16 year old Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) : Provenance-progeny trial in Haney, British Columbia." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27495.

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Variation in height, dbh and volume was analyzed after 16 years of growth. Results were compared with the 4th and 7th growing season measurements for height. This trial comprised 464 open-pollinated families representing 58 provenances planted at the University of British Columbia Research Forest in Haney, B.C. in 1971. Phenotypic variations between and within provenances, additive genetic variances, heritabilities, genetic gain and juvenile * mature correlations were estimated for the three growth variables according to zone groupings. The effects of provenance by block and family by block
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Jansen, Kirstin. "Stable Isotopes and Metabolite Profiles as Physiological Markers for the Drought Stress Sensitivity in Douglas-Fir Provenances (Pseudotsuga menziesii (MIRB.) FRANCO)." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19617.

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In Mitteleuropa werden zukünftig häufigere Trocken- und Hitzeperioden mit wirtschaftlichen Einbußen in der Waldwirtschaft erwartet. Die Douglasie (Pseudotsuga menziesii (Mirb.) Franco) wird als Alternative für die wirtschaftlich bedeutsame, jedoch trockenheitsempfindliche Fichte diskutiert (Picea abies (L.) H.Karst.). Zwei Unterarten, die Küsten- (FDC) und die Inlandsdouglasie (FDI), sind im ausgedehnten natürlichen Verbreitungsgebiet in Nordamerika beheimatet, welches ein großes Potenzial für die Auswahl produktiver und trockenresistenter Herkünfte bietet. Unser Ziel war, die Trockenreaktion
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Malmqvist, Cecilia. "Planting and survivability of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) in Sweden : Questions of seedling storability, site preparation, bud burst timing and freezing tolerance." Doctoral thesis, Linnéuniversitetet, Institutionen för skog och träteknik (SOT), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-59933.

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The non-native Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) has been grown to a limited extent in the southern part of Sweden since the early 1900s. A more extensive use has probably been curtailed by its known susceptibility to damage by frost, pine weevil and other pests. Limited access to vital seedlings of suitable provenances has also restricted its more widespread growth. The need for valuable species that will grow well through ongoing climate change has increased the interest for Douglas fir in Sweden. This thesis addresses a number of important questions relating to the planting
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Jansen, Kirstin [Verfasser], Arthur [Gutachter] Gessler, Ralf [Gutachter] Kätzel, and Andreas [Gutachter] Rigling. "Stable Isotopes and Metabolite Profiles as Physiological Markers for the Drought Stress Sensitivity in Douglas-Fir Provenances (Pseudotsuga menziesii (MIRB.) FRANCO) / Kirstin Jansen ; Gutachter: Arthur Gessler, Ralf Kätzel, Andreas Rigling." Berlin : Humboldt-Universität zu Berlin, 2018. http://d-nb.info/1184576890/34.

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Van, Rooij Mahaut. "Etude du rougissement hivernal du Douglas : entre températures douces & formation de glace." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2023. http://www.theses.fr/2023UCFA0154.

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Le Douglas, première essence de reboisement en région Auvergne-Rhône-Alpes et seconde au niveau nationale, est d'intérêt économique majeur en France avec 13 millions de plants produits par an. Un phénomène de rougissement - observé 1/3 hivers en France - affecte les jeunes Douglas (< 15 ans), pouvant atteindre jusqu'à 80% de la plantation. Un arbre rougissant n'a pas d'avenir sylvicole et meurt généralement dans l'année suivant le rougissement. Les objectifs de ma thèse ont été de donner une meilleure compréhension du rougissement hivernal à travers l'identification des paramètres climatiqu
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Books on the topic "Douglas fir (Pseudotsuga menziesii Mirb. Franco)"

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Gossner, Martin. Diversität und Struktur arborikoler Arthropodenzönosen fremdländischer und einheimischer Baumarten: Ein Beitrag zur Bewertung des Anbaus von Douglasie (Pseudotsuga menziesii (Mirb.) Franco) und Roteiche (Quercus rubra L.). Institut für Ökologie der TU Berlin, 2004.

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Osman, Khalid Amir. Growth responses of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) to defoliation. 1991.

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Li, Peng. Range-wide patterns of allozyme variation in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). 1986.

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Li, Peng. Range-wide patterns of allozyme variation in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). 1986.

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Tsai, Ching-Hsiu. Dispersed repetitive sequences in the chloroplast genome of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). 1989.

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Lomas, M. Christine. Physiology and genetics of drought hardiness in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) seedlings. 1999.

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Temel, Fatih. Persistence and age-age genetic correlations of stem defects in Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). 1997.

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Temel, Fatih. Persistence and age-age genetic correlations of stem defects in Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). 1997.

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Schuch, Ursula K. Frost hardiness of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings raised in three nurseries. 1987.

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Li, Peng. Genetic variation in phenology of bud and cambial activity in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). 1990.

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Book chapters on the topic "Douglas fir (Pseudotsuga menziesii Mirb. Franco)"

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Bastien, Jean-Charles, Leopoldo Sanchez, and Daniel Michaud. "Douglas-Fir (Pseudotsuga menziesii (Mirb.) Franco)." In Forest Tree Breeding in Europe. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6146-9_7.

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Goldfarb, B., and J. B. Zaerr. "Douglas-Fir [Pseudotsuga menziesii (Mirb.) Franco]." In Trees II. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-61535-1_28.

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Owens, John N., and Sheila J. Morris. "An Ultrastructural Study of Fertilization in Douglas Fir [Pseudotsuga menziesii (Mirb.) Franco]." In Sexual Reproduction in Higher Plants. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73271-3_54.

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Nagmani, R., M. A. Johnson, and R. J. Dinus. "Effect of Explant and Media on Initiation, Maintenance, and Maturation of Somatic Embryos in Pseudotsuga Menziesii (Mirb.) Franco (Douglas-fir)." In Woody Plant Biotechnology. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-7932-4_17.

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Chanway, C. P., R. A. Radley, F. B. Holl, and P. E. Axelrood. "Effect of Bacillus strains on growth of pine (Pinus contorta Dougl.), spruce (Picea glauca Voss.), and Douglas-fir (Pseudotsuga menziesii (Mirb. Franco)." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_77.

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Fidalgo Fonseca, Teresa, Maria Emília Silva, José Luís Lousada, Jaime Sales Luis, and Ana Cristina Gonçalves. "Pseudotsuga menziesii ((Mirb.) Franco) in Portugal: A Review of Species Characteristics, Silviculture, and Management." In Vegetation Dynamics - Ecosystem Management, Conservation, and Protection [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1007948.

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Pseudotsuga menziesii ((Mirb.) Franco), known as Douglas fir, is a prominent conifer species native to North America. It is known for its adaptability, rapid growth, and high-quality wood. It was introduced to Europe in the nineteenth century and is currently the most abundant non-native tree species cultivated in Central European forests. In Portugal, the species was initially cultivated as an ornamental plant and used for experimental purposes. However, its notable qualities, particularly its high volume production, have garnered significant interest. This has led to the implementation of re
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Conference papers on the topic "Douglas fir (Pseudotsuga menziesii Mirb. Franco)"

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Ballian, Dalibor, and Mirzeta Memisevic Hodzic. "Carbon Binding of Different Provenances of Douglas fir (Pseudotsuga menziesii Mirb. Franco)." In 3rd International Congress on Engineering and Life Science. Prensip Publishing, 2023. http://dx.doi.org/10.61326/icelis.2023.46.

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Forest tree species are very important in terms of carbon sequestration. Trees store 50% to 75% of the carbon they take up from the atmosphere in their wood, and the rest is released back into the atmosphere during respiration. Douglas fir is forest tree species native to North America, but shown successful growth and high productivity and quality in Europe. Douglas-fir is also considered as a species with high carbon sequestration, with the yearly average carbon storage of 46,46 kg CO2/year and for this reason it is increasingly popular as a tree for planting. This research aims to select the
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