Results 1 to 10 of about 13,056 (168)
Annals of Silvicultural Research, 2023 This paper describes a dataset containing the historical series of dendrometric data from a Pseudotsuga menziesii var. menziesii (=viridis) (Schwerin) Franco plantation. Implemented in 1932, the plantation is located in “Rio di Mercurella” place, in the
Manuela Plutino +2 more
doaj +1 more source
Douglas fir impact on the dynamics and composition of humus in the soil of indigenous beech forest in western Serbia [PDF]
Zbornik Matice Srpske za Prirodne Nauke, 2020 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.
Kostić Olga A. +2 more
doaj +1 more source
The importance of large-diameter trees to forest structural heterogeneity. [PDF]
PLoS ONE, 2013 Large-diameter trees dominate the structure, dynamics and function of many temperate and tropical forests. However, their attendant contributions to forest heterogeneity are rarely addressed.
James A Lutz +4 more
doaj +1 more source
Persian Journal of Acarology, 2020 Population of the spider mite Oligonychus ununguis (Jacobi, 1905) was monitored on introduced species of coniferous plants in the Fomin Botanical Garden, Kyiv, Ukraine in 2012–2019.
Lesia Bondareva +4 more
doaj +1 more source
Preliminary results of species trials at Asalem Forests; The world most important species of coniferous [PDF]
تحقیقات جنگل و صنوبر ایران, 2002 According to this project , we should plant 30 species and 61 provenances in each рап of Asdlem forest zone, regarding to the reason that we couldnt, plant all the species and provenances in the same time.
Arsalan Hemati +3 more
doaj +1 more source
Pseudotsuga menziesii: Douglas-Fir
EDIS, 2003 Douglas-Fir grows 40 to 60 feet and spreads 15 to 25 feet in an erect pyramid in the landscape. It grows to more than 200 feet tall in its native habitat in the West.
Edward Gilman, Dennis Watson
doaj +1 more source
Pseudotsuga menziesii 'Fastigiata': 'Fastigiata' Douglas-Fir
EDIS, 2014 This cultivar of Douglas-Fir probably grows about 40 feet tall but spreads only about 10 or 15 feet in a dense, narrow pyramid in the landscape. This cultivar is denser than the species and is probably better suited for a screen planting. A row of these
Edward Gilman, Dennis Watson
doaj +1 more source
Pseudotsuga menziesii (Mirb.) Franco on protected areas of Ukrainian Polissya
Ukrainian Journal of Forest and Wood Science, 2022 In Europe, including Ukraine, a serious consideration is given to Pseudotsuga menziesii (Mirb.) Franco, as a prospective species for the creation of various types of plantations. The use of this tree species in plantations looks advantageous. The species
A. Dzyba
doaj +1 more source
Інтродукція Рослин, 2018 Objective — to sum up results of the introduction of Pseudotsuga menziesii (Mirb.) Franco in the arboretum Trostjanets of the NAS of Ukraine on the basis of the study of the dynamics of the population, characteristics of the vital capacity of the ...
M.O. Andriyko
doaj +1 more source
Elimination trial on some of important conifers in Asalem forests [PDF]
تحقیقات جنگل و صنوبر ایران, 2009 In order to investigate on the adaptation and performance of exotic trees in northern of Iran, a field experiment was carried out during 1991 to 2006 in Asalem forests. Nine species of different conifers, consisting of Pinus nigra var.
Arsalan Hematti +2 more
doaj