Developing a model system in vitro to understand tracheary element development in douglas-fir (Pseudostuga Mensziesii) by Karthik V. Pillai, Armando G. McDonald, Francis G. Wagner

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Douglas Fir Multiproxy Tree-Ring Data Glimpse MIS 5 Environment in the U.S. Pacific Northwest by Irina P. Panyushkina, Steven W. Leavitt, David M. Meko, Bryan A. Black, A. J. Timothy Jull, Peter Van de Water, Joe Squire, Nicholas R. Testa

“…An ancient landslide deposit in Oregon U.S.A. preserved large logs from Douglas fir trees (<i>Pseudotsuga menziesii</i> (Mirb.) …”
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Xylem Traumatic Resin Duct Formation in Response to Stem Fungal Inoculation in Douglas-Fir and Lodgepole Pine by Javier E. Mercado, Robert T. Walker, Scott Franklin, Shannon L. Kay, Beatriz Ortiz-Santana, S. Karen Gomez

“…Xylem traumatic resin ducts (TRDs) in Douglas-fir form in response to mechanical injury, fire, and root pathogens, but it is unknown if these form at the stem in response to bark-beetle-associated fungi. …”
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The Interacting Influence of Fire and Tree Characteristics on Douglas-Fir Beetle Host-Tree Selection Five Years Post-Fire by Matt Young, Michael Remke, Julie Korb

Subjects: “…Douglas-fir…”
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Production potential of Douglas fir in acid sites of Hůrky Training Forest District, Secondary Forestry School in Písek by P. Kantor, R. Mareš

Subjects: “…douglas fir…”
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Impact of pre-sowing treatment and sowing season on Douglas fir emergence rate in a specific seed lot by Antonín Martiník, Eva Palátová, Kateřina Houšková

Subjects: “…Douglas fir…”
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Traceability and quality assessment of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) logs: the TreeTrace_Douglas database by Fleur Longuetaud, Guillaume Pot, Frédéric Mothe, Alexis Barthelemy, Rémi Decelle, Florian Delconte, Xihe Ge, Grégoire Guillaume, Théo Mancini, Tojo Ravoajanahary, Jean-Claude Butaud, Robert Collet, Isabelle Debled-Rennesson, Bertrand Marcon, Phuc Ngo, Benjamin Roux, Joffrey Viguier

“…Key message The TreeTrace_Douglas database includes images and measurements at several stages of the processing of Douglas fir logs, from sawmill logyard to machine grading and destructive testing of boards, and is suitable for research on quality assessment and traceability. …”
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Dissecting the Polygenic Basis of Cold Adaptation Using Genome-Wide Association of Traits and Environmental Data in Douglas-fir by Amanda R. De La Torre, Benjamin Wilhite, Daniela Puiu, John Bradley St. Clair, Marc W. Crepeau, Steven L. Salzberg, Charles H. Langley, Brian Allen, David B. Neale

“…Newly discovered associations for cold adaptation in Douglas-fir included 130 genes involved in many important biological functions such as primary and secondary metabolism, growth and reproductive development, transcription regulation, stress and signaling, and DNA processes. …”
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Spatial variability of throughfall water and chemistry and forest floor water content in a Douglas fir forest stand by K. J. Raat, K. J. Raat, G. P. J. Draaijers, M. G. Schaap, A. Tietema, J. M. Verstraten

“…This study focuses on spatial variability of throughfall water and chemistry and forest floor water content within a Douglas fir (<i>Pseudotsuga menziesii</i>, Franco L.) forest plot. …”
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Douglas Fir Growth Is Constrained by Drought: Delineating the Climatic Limits of Timber Species under Seasonally Dry Conditions by Antonio Gazol, Cristina Valeriano, Alejandro Cantero, Marta Vergarechea, Jesús Julio Camarero

“…Therefore, planting Douglas fir in sites with a marked summer drought will result in reduced growth but a dense earlywood. …”
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Results of 20 years old Douglas-fir provenance experiment established on the northern slopes of Rila Mountain in Bulgaria by E.B. Popov

“…Studies were carried out in a Douglas-fir provenance trial plantation established at an altitude of 800 m a.s.l. on the northern slopes of Rila Mountain. …”
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Which Douglas-Fir (Pseudotsuga menziesii (Mirb.) Franco) Provenances Provide the Best Productivity in the Hilly Area of Croatia? by Martina Đodan, Tomislav Dubravac, Sanja Perić

“…Background and Purpose: Recently raised questions on adaptability of native tree species to climate changes pointed to Douglas-fir as a species suitable for rapid reforestation and increase of stand resistance. …”
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Effects of Climate on Douglas-fir (<i>Pseudotsuga menziesii</i> (Mirb.) Franco) Growth Southeast of the European Alps by Tom Levanič, Hana Štraus

“…Douglas-fir (<i>Pseudotsuga menziesii</i> (Mirb.) Franco) is a non-native tree species in Slovenia with the potential to partially replace Norway spruce in our native forests. …”
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Comparison of Acid- and Base-Modified Biochar Derived from Douglas Fir for Removal of Copper (II) from Wastewater by Beatrice Arwenyo, Prashan M. Rodrigo, Olalekan A. Olabode, Hashani P. Abeysinghe, Jessie N. Tisdale, Rose C. Azuba, Todd E. Mlsna

“…Copper is a non-biodegradable heavy metal, and high levels in water bodies cause serious environmental and health issues. Douglas fir biochar has a higher number of carboxylic, phenolic, and lactonic groups, which provide suitable active sites for copper removal. …”
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Generating Douglas-fir Breeding Value Estimates Using Airborne Laser Scanning Derived Height and Crown Metrics by Francois du Toit, Nicholas C. Coops, Blaise Ratcliffe, Yousry A. El-Kassaby

“…Here, we analyzed a Coastal Douglas-fir [Pseudotsuga menziesii var. menziesii (Mirb.)] progeny test trial located in British Columbia, Canada, using individual tree high-density Airborne Laser Scanning (ALS) metrics and traditional ground-based phenotypic observations. …”
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Restoration Treatments Improve Overstory Tree Resistance Attributes and Growth in a Ponderosa Pine/Douglas-Fir Forest by Justin S. Crotteau, Christopher R. Keyes

“…Further analysis of annual growth of ponderosa pine and Douglas-fir varied by treatment type: thinning-based restoration (thin-only and thin + burn) increased diameter growth for both species, crown length and width in ponderosa pine, and crown length in Douglas-fir relative to unthinned treatments. …”
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Shifts in Foliage Biomass and Its Vertical Distribution in Response to Operational Nitrogen Fertilization of Douglas-Fir in Western Oregon by Jacob D. Putney, Douglas A. Maguire

Subjects: “…Douglas-fir…”
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Characterization and classification of mycorrhizae of douglas-fir. III Pseudotsuga menziesii + byssoporia (poria) terrestris vars. lilaciorosea, parksii, and sublutea/ by 383661 Zak, Batislav, Larsen, Michael J.

Comparison of stem volume estimates from terrestrial point clouds for mature Douglas-fir (Pseudotsuga menziessi (Mirb.) Franco) by Rong Fang, Bogdan M. Strimbu

“…We fitted point clouds of 10 Douglas-fir with three sets of cylinder models that are distinguished by their segment length (i.e. 0.5 m, 1 m, and 2 m), then developed three taper equations based on the point-cloud-based diameter estimated previously. …”
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Humus conditions of stands with different proportion of Douglas fir in the Hůrky Training Forest District and Křtiny Training Forest Enterprise by L. Menšík, J. Kulhavý, P. Kantor, M. Remeš

“…The paper presented evaluates reserves and chemical composition of forest floor of three stands of Douglas fir, spruce and spruce with beech at acid sites (3K) in the Hůrky Training Forest District (TFD) and at a meso-trophic site (4H) in the Křtiny Training Forest Enterprise (TFE). …”
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