Results 31 to 40 of about 46,928 (215)

The occurrence of fungal and insect pests in riparian stands of the central Hron and Slatina rivers

open access: yesJournal of Forest Science, 2006
The paper deals with the occurrence of fungi and rusts, viruses and insects on main woody species in riparian stands along the middle courses of the Slatina and Hron rivers in Slovakiain 2002-2004.
J. Kodrík, M. Kodrík, P. Hlaváč
doaj   +1 more source

Increase of energy efficiency of the extraction process

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
At present, there is a tendency to use drugs based on medicinal plants instead of synthetic drugs. And the main advantage is the possibility of using wood waste in the form of bark, leaves and kidneys, since these parts of the trees are waste in ...
N. F. Timerbaev   +3 more
doaj   +1 more source

Efficient Cryopreservation of Populus tremula by In Vitro-Grown Axillary Buds and Genetic Stability of Recovered Plants

open access: yesPlants, 2021
Axillary buds of in vitro microshoots were successfully frozen at –196 °C by the one-step freezing method using the protective vitrification solution 2 (PVS2). Microshoots were taken from 11 transgenic lines and three wild type lines.
Elena O. Vidyagina   +2 more
doaj   +1 more source

Rethinking forest‐bird habitat management guidelines in the northern Lake States

open access: yesWildlife Society Bulletin, 2018
Biodiversity challenges require more ecologically based approaches to habitat management of forest wildlife. Although active management is necessary for the conservation of many forest‐dependent wildlife species, some high‐severity (even‐aged) forest ...
R. Gregory Corace III
doaj   +1 more source

Lodgepole pine and trembling aspen competition: Neighbourhood studies within 22 to 39 year-old pine plantations of northern British Columbia

open access: yesThe Forestry Chronicle, 2017
Six lodgepole pine plantations located within the Sub Boreal Spruce (SBS) biogeoclimatic zone of the northern interior of British Columbia were chosen to study the impacts of neighbourhood aspen competition on the growth of planted lodgepole pine (22–39 ...
by George Harper
doaj   +1 more source

Production and soil restoration effect of pioneer tree species in a region of allochthonous Norway spruce dieback

open access: yesJournal of Forest Science, 2017
The paper analyses the growth, structure, production and soil chemistry of different tree species stands 20 years after allochthonous spruce dieback. The experiment was carried out at lower altitudes (300 m a.s.l.) at rich sites of the Central Europe ...
Antonín MARTINÍK   +2 more
doaj   +1 more source

High yield CTMP fibres as a possibility of the more efficient yield of wood raw material [PDF]

open access: yesHemijska Industrija, 2004
The evident shortage of wood as a raw material has become a limiting factor in the pulp and paper industry which is the greatest consumer of wood in Europe. The situation in our country is similar.
Klašnja Bojana A.   +2 more
doaj   +1 more source

Populus tremuloides: trembling aspen, quaking aspen, aspen poplar, white poplar

open access: yes, 2013
Species profile for Populus tremuloides: trembling aspen, quaking aspen, aspen poplar, white ...
Wood, S., Gould, K., Smreciu, A.
openaire   +2 more sources

Restorative dynamics of pine phytocenoses in clearcut areas in the floodplain terraces of the Moscow River

open access: yesRUDN Journal of Ecology and Life Safety, 2023
Initial stages of restoration dynamics of phytocoenoses are of a special interest. Ecological conditions change crucially after timber harvesting. The exploration of two clearcut areas in the Moscow River valley in 3-5 years after felling allowed us to ...
Daniil V. Lezhnev   +2 more
doaj   +1 more source

Tremblings, November 2021

open access: yes, 2021
Lindroth + Aspen: A Legacy of Good Chemistry Ken Keefover-Ring The license plates on Professor Rick Lindroth’s vehicle read “Q ASPEN,” referring to quaking aspen.
Western Aspen Alliance
core  

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