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Don) Lindley) provided in the framework of the International Union of Forest Research Organizations project, and one provenance of grand fir, Norway spruce, silver fir and Douglas-fir from a standard commercial ... The article aims to evaluate the research provenance plot established in 1980 in locality No. 214 – Hrubá Skála (in the north of the Czech Republic), where nine provenances of grand fir (Abies grandis ... *Norway spruce, **silver fir, ***Douglas-fir, 1 Vančura (1990) , 2 Vančura and Beran (1996) , 3 Beran (2006) for Pseudotsuga menziesii (Mirbel) Franco, according to Bergel (1973) , 7 according to ...doi:10.17221/79/2016-jfs fatcat:thk24qdofbhxfkqn5m2mqmcakm
Histochemical and geometric alterations of sapwood in coastal Douglas-fir following mechanical damage during commercial thinning. Silva Fennica 45(4): 729-741. ... Histochemical and geometric alterations to sapwood in mechanically damaged Douglas-fir (Pseudotsuga menziesii [Mirbel] Franco) trees were quantified 14 years after thinning. ... I am grateful to John Zeni, Weyerhaeuser Company, for many long hours of discussions on commercial thinning that were an inspiration to this work. ...doi:10.14214/sf.447 fatcat:7ghtxfowzvcmbmg2oau4kgfxlq
(less than 80 years old), managed Douglas-fir (Pseudotsuga menziesii) dominated forests. ... Thus, thinning similar to that used in this study can be one useful tool in the management of young Douglas-fir forests. ... contributed to reviews in addition to providing assistance with data analysis and interpretation. ...doi:10.2307/1939378 fatcat:pr4ltmfph5brpmvkxucuo6rm5e
This chapter provides an overview regarding the lodgepole pine (Pinus contorta Douglas ex Loudon) from the perspective of its ecological demands and the possibilities of its silvicultural utilization in ... In spite of its lower production potential, the species is capable of creating stands on habitats that will be inappropriate in the future for many autochthonous Central European species. ... Acknowledgements This work is based on results from carrying out the research project COST LD13009 and institutional support from the Ministry of Agriculture of the Czech Republic MZE-RO0118. ...doi:10.5772/intechopen.79713 fatcat:zcb37xkofndwlmff6anroq7my4
]. 099505 Effect of crack-front width on fracture tough of Douglas-fir /Pseudotsuga menziesii; re- printed from Engineering fracture Mechanics]. 099545 cial thinning regimes in young-growth Douglas-fir ... menziesii}. 103114 Variation in total and soluble nitrogen concentrations in response to fertilization of Douglas-fir [Pseudotsuga menziesii}. 104483 Urea fertilizer increases growth of 20-year-old, thinned ...
In the stands initiated following the 1962 storm, thinning over the next few years would reduce the overstory height to diameter ratios (HDR) but, because of the height of the stand, the windthrow hazard ... Thinning should be done in the next 10 to 15 years in these stands to achieve the management goals [...] ... .), Douglas-fir (Pseudotsuga menziesii (Mirbel) Franco.) and western redcedar (Thuja plicata Donn.). 3.3 Stanley Park forest history 3.3.1 Natural disturbance Natural disturbances are regular occurrences ...doi:10.14288/1.0071570 fatcat:ut25eupaorcchfraaj26xxjd6u
Sarg.) and Douglas-fir (Pseudetsuga menziesii (Mirbel) Franco) seedlings decreased with increases in the canopy density of overtopping deciduous species. ... Suppressed Douglas-fir saplings released from overtopping by red alder canopies showed the greatest growth response when the [...] ... Use of grand fir in the coastal Douglas-fir and Western hemlock zones looks very promising if animal damage can be kept in check. ...doi:10.14288/1.0097952 fatcat:to3qnb5i3zdurnk5vpi3b5axqi
Mycorrhizal colonization and types of mycorrhizae that formed on container-grown Douglas-fir, western hemlock, and western red cedar seedlings were determined in a nursery near Nanaimo, B.C. and under ... The percentage of Douglas-fir and western hemlock short roots colonized by ectomycorrhizal fungi in the nursery was highly variable but over 99 percent of the mycorrhizae were formed by Thelephora terrestris ... Psuedotsuga menziesii (Mirbel) Franco. Rubus leucodermis Dougl. Senecio sylvaticus L. Tsuga heterophylla (Raf.) Sarg. Vaccinium parvifolium Smith Vaccinium sp. ...doi:10.14288/1.0098477 fatcat:5sfslxg26jf7jhbuvoniddciua
This thesis examines the differences in stand-level fluxes of carbon dioxide (C02) and the biophysical factors, which affect respiration and photosynthesis in three different coastal Douglas-fir stands ... The eddy covariance technique was used to measure stand-level CO2 fluxes in Douglas-fir stands established in 2000, 1988, and 1948 on the east coast of Vancouver Island, British Columbia. ... Eighty percent of the trees within the stand were Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirbel) Franco), 17% were western redcedar (Thuja plicata Donn) and 3% were western hemlock (Tsuga ...doi:10.14288/1.0091721 fatcat:ofbqpcxmrrhtrnazkwmqbmgxmm
Trautvetter and Mayer) and 429 years for Douglas-fir (Pseudotsuga menziesii (Mirbel) Franco) (Maser and Trappe 1984) . ... old-growth western juniper woodlands in the aeolian sand region of central Oregon. ... A paucity of precipitation restricts plant growth in these areas and forage production varies with fluctuations in climatic conditions (Herbel and Pieper 1991) . ...doi:10.2458/azu_jrm_v54i5_board fatcat:6uat4223gzgp5jpxpjh4iswgfy
This study describes several refinements and improvements in whole stand growth and yield modelling of Douglas-fir grown in four regions of the South Island of New Zealand, namely Canterbury, Nelson, Southland ... Differences in growth trajectories across the four regions were identified and incorporated into single variable equations using dummy variables for improving the fitting of mean top height (h1OO), basal ... Douglas-fir (Pseudotsuga menziesii (Mirbel) Franco) ranks as the second most important plantation tree species after radiata pine in New Zealand. ...doi:10.26021/1465 fatcat:bdpwynoedfdkpn24xknzx4xbma
Mike Ralphs, Lee Woolsey, Jeff Salmon, Al Maciulis, Rex Probst, Danny Hansen, Jason Dormady, and Rick Shea for assistance with various aspects of the study. ... Hilltops are forested with Douglas fir (Pseudotsuga menziesii var, glauca (Bessin.) Franco) or ponderosa pine (Pinus ponderosa Dougl.). ... Douglas fir (Pseudotsuga menziesii (Mirbel) Franco), California nutmeg (Torreya californica Torrey), and canyon live oak (Quercus chrysolepis Liebm.) form dense shaded canopies on steep north and east ...doi:10.2458/azu_jrm_v55i4_board fatcat:hbxh5j4pdzdrxex43r2iud6x5y
MacDonald, whose expertise and knowledge of all things amphibious was instrumental to the success of this project in the early days. ... We thank the Ontario Reptile and Amphibian Atlas for making a vast amount of data available in the public domain and the hundreds of volunteers who have taken the time to submit their observations to those ... The vegetation around the lake is dominated by stands of Douglas Fir (Pseudotsuga menziesii (Mirbel) Franco) and poplar (Populus spp.), with an understorey of small trees and shrubs, such as Chokecherry ...doi:10.22621/cfn.v132i2.2199 fatcat:izcs3k7qtvfofo5pa6iltgztti