Results 21 to 30 of about 61,888 (271)

Influence of Reconstructive Cutting in Deciduous-Spruce Stands on Root Competition of Species

open access: yesЛесной журнал, 2023
The predominance of mixed forest stands in a productive forest fund, which is located in the middle taiga subzone of Northwest Russia, determines the relevance of an investigation of the growth and development characteristics of the trees.
Anna Yu. Karpechko, Sergey M. Sinkevich
doaj   +1 more source

Extended Physicochemical Characterization of the Synthetic Anticoagulant Pentasaccharide Fondaparinux Sodium by Quantitative NMR and Single Crystal X-ray Analysis

open access: yesMolecules, 2017
Fondaparinux sodium is a synthetic pentasaccharide representing the high affinity antithrombin III binding site in heparin. It is the active pharmaceutical ingredient of the anticoagulant drug Arixtra®.
William de Wildt   +7 more
doaj   +1 more source

New standards for forest inventory and commodification of forest-cutting fund in the Republic of Belarus [PDF]

open access: yesСибирский лесной журнал, 2017
Since 2013, new assortment tables have been adopted in the Republic of Belarus, and since 2015 new growth tables for pine, spruce, birch and aspen. Growth tables were compiled based on 1353 trial plots, where 2546 model trees were taken.
V. F. Baginskiy, N. N. Katkov, E. A. Uss
doaj   +1 more source

Pando's pulse: Vital signs signal need for course correction at world‐renowned aspen forest

open access: yesConservation Science and Practice, 2022
Upland aspen (Populus spp.) forests contribute significantly to biodiversity in their circumboreal role as keystone species. As aspen ecosystems flourish or diminish, myriad dependent species follow suit.
Paul C. Rogers
doaj   +1 more source

Field Method for Characterization of Deciduous Wooden Shingles

open access: yesFORMakademisk, 2023
In the Nordic countries, a major part of the built heritage is constructed of wood and on churches it is still common for the roofing to consist of shingles.
Linda Lindblad, Karl-Magnus Melin
doaj   +1 more source

Aspen Soils Retain More Dissolved Organic Carbon Than Conifer Soils in a Sorption Experiment

open access: yesFrontiers in Forests and Global Change, 2020
The effect tree species have on soil organic carbon (SOC) has been hotly debated but, so far, few clear patterns have emerged. One example of a differing tree species effect on SOC are aspen forests in North America, which have been found to have more ...
Antra Boča   +3 more
doaj   +1 more source

Specifics of the phenolic compound composition and content in leaves of Populus alba L., P. tremula L. and P. × canescens (Ait.) Sm. [PDF]

open access: yesСибирский лесной журнал, 2019
The article represents studying the phenolic compound composition and content in leaves of white poplar Populus alba L., aspen P. tremula L. and grey poplar P. × canescens (Ait.) Sm. by high-performance liquid chromatography (HPLC) method.
M. S. Voronkova   +3 more
doaj   +1 more source

Aspen Decline, Aspen Chemistry, and Elk Herbivory: Are They Linked? [PDF]

open access: yesRangelands, 2008
and has high aesthetic appeal in autumn. However, the amount and quality of aspen cover in the West has been declining for many years. For example, aspen cover in the Dixie and Fishlake National forests in Utah has decreased by more than 60% from historic levels, and in the Uinta National Forest aspen cover has been reduced by nearly 40%
Stuart C. Wooley   +3 more
openaire   +3 more sources

Fire Regimes of Utah: The Past as Prologue

open access: yesFire, 2023
(1) Background: Satellite monitoring of fire effects is widespread, but often satellite-derived values are considered without respect to the characteristic severity of fires in different vegetation types or fire areas.
Joseph D. Birch, James A. Lutz
doaj   +1 more source

Biophysically Informed Imaging Acquisition of Plant Water Status

open access: yesFrontiers in Forests and Global Change, 2020
Vegetation controls carbon and water fluxes because of the fundamental tradeoff between carbon dioxide uptake and water loss occurring when stomata are open.
Daniel P. Beverly   +4 more
doaj   +1 more source

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