Results 91 to 100 of about 165,734 (210)

Red-Cockaded Woodpecker Nesting Success, Forest Structure, and Southern Flying Squirrels in Texas [PDF]

open access: yes, 1996
For several decades general opinion has suggested that southern flying squirrels (Gluucomys volans) have a negative effect on Red-cockaded Woodpeckers (Picoides borealis) through competition for cavities and egg/nestling predation.
Conner, Richard N.   +3 more
core   +1 more source

Tri-county pilot study [PDF]

open access: yes
The author has identified the following significant results. An area inventory was performed for three southeast Texas counties (Montgomery, Walker, and San Jacinto) totaling 0.65 million hectares. The inventory was performed using a two level hierarchy.
Austin, T. W.   +2 more
core   +1 more source

MICROSTRUCTURAL AND PHYSICAL ASPECTS OF HEAT TREATED WOOD: PART 2. HARDWOODS

open access: yesMaderas: Ciencia y Tecnología, 2006
Heat treatment of wood is an effective method to improve the dimensional stability and durability against biodegradation. Optimisation of a two-stage heat treatment process at relatively mild conditions (
M.J Boonstra   +7 more
doaj  

HOME RANGE AND MICROHABITAT ASSOCIATIONS OF THE SOUTHERN RED-BACKED VOLE (MYODES GAPPERI) IN NEW HAMPSHIRE FORESTS [PDF]

open access: yes, 2018
Resources, such as food and shelter, are unevenly distributed across the landscape at both macro and micro scales. Home range is one measure of space use that reflects an individual’s resource requirements (e.g., microhabitat characteristics) and ...
Tisell, Honora
core   +2 more sources

Hardwood polyoses

open access: yes, 2000
The article studies hardwood polyoses (hemicelluloses), being one of renewablenatural organic materials, next to cellulose. Hardwood polyoses differ from softwood ones with regard to their content and composition; their portion in hardwoods being up to 40%.
Tišler, Vesna, Pavlič, Matjaž
openaire   +1 more source

Evaluation of degradation in chemical compounds of wood in historical buildings using ft-ir and ft-raman vibrational spectroscopy

open access: yesMaderas: Ciencia y Tecnología, 2019
Vibrational spectroscopy approaches like FT-IR and FT-Raman, as analytical method, can be used to assess chemical changes in historical wood structures.
Seyed Mahdi Moosavi Nejad   +3 more
doaj  

Relationship between Timber Grade and Local, Global, and Dynamic Modulus of Elasticity in Red Oak and Red Maple Structural Lumber

open access: yesBioResources
The modulus of elasticity (MOE) of structurally graded one-inch-thick red oak (Quercus rubra) and red maple (Acer rubrum) lumber was measured in this work.
Balazs Bencsik   +4 more
doaj  

Biomassa florestal residual: efeitos da sua remoção na qualidade do solo Residual forest biomass: effects of removal on soil quality

open access: yesRevista de Ciências Agrárias, 2011
A biomassa proveniente das operações florestais de limpeza pode ser valorizada para a produção de energia nas centrais de biomassa. A sua remoção de forma continuada poderá afectar a qualidade dos solos florestais ao nível da quantidade de nutrientes ...
Mª Carmo Magalhães   +4 more
doaj  

Hardwood-derived Cellulose Nanofibrils and Micro-Fibrillated Cellulose via Fenton Pretreatment: Issues of Fiber Fragmentation and Coating Performance

open access: yesBioResources
A novel cellulose nano material was prepared through a controlled Fenton oxidation process utilizing hydrogen peroxide and ferrous ions. The reaction parameters enabled ferrous-catalyzed oxidation, which combined with mechanical treatment resulted in an ...
Morassa Raouf   +2 more
doaj  

Understanding and Mitigating Stickiness in Biochar Produced through Acid Hydrolysis and Dehydration. [PDF]

open access: yesInd Eng Chem Res
Sardar EU   +7 more
europepmc   +1 more source

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