Results 1 to 10 of about 12,639 (211)
Trajectoires d’autoéclaircie du Douglas (Pseudotsuga menziesii) en France [PDF]
Revue Forestière Française, 2016 Les relations taille-densité sont des équations de prédiction du nombre d’arbres vivants en fonction d’une caractéristique moyenne de peuplement. Elles ne sont généralement connues que pour la densité maximum (densité relative RDI égale à 1). Sur la base
François Ningre +2 more
doaj +2 more sources
Adaptive silviculture for climate change in North American forests: Operationalizing the resistance-resilience-transition framework. [PDF]
Ecol ApplAbstract The impacts of global climate change have compelled forest managers to evaluate their practices and ecosystems, considering when and how to resist change, promote resilience, or facilitate transitions. Forest adaptation has made significant strides to move from theory to practice over the last two decades, with widespread examples of ...
Clark PW +8 more
europepmc +2 more sources
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
Cytokinins in Vegetative and Reproductive Buds of Pseudotsuga menziesii [PDF]
Plant Physiology, 1990 Immunoaffinity techniques using columns of immobilized antibodies raised against zeatin riboside and isopentenyladenosine were found to be effective in isolating cytoklnins from vegetative, female, and male buds of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco).
Morris, J.W. +3 more
openaire +3 more sources
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