Results 11 to 20 of about 227,916 (293)

Tree ring segmentation using UNEt TRansformer neural network on stained microsections for quantitative wood anatomy [PDF]

open access: yesFrontiers in Plant Science, 2023
Forests are critical in the terrestrial carbon cycle, and the knowledge of their response to ongoing climate change will be crucial for determining future carbon fluxes and climate trajectories.
Miguel García-Hidalgo   +9 more
doaj   +2 more sources

A GC-MS Protocol for Separating Endangered and Non-endangered Pterocarpus Wood Species

open access: yesMolecules, 2019
Pterocarpus santalinus and Pterocarpus tincorius are commonly used traded timber species of the genus Pterocarpus. P. santalinus has been listed in Appendix II of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).
Maomao Zhang   +5 more
doaj   +1 more source

ANATOMI TUJUH JENIS KAYU DARI SULAWESI TENGAH. (Anatomy of seven Wood Species from Central Sulawesi)

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
Wood anatomy of three broad-leaved tree species and four coniferous tree species from Central Sulawesi were observed and described for identification purposes. Fiber dimensions were also measured for evaluation of their quality for pulp making.
Y I Mandang
doaj   +1 more source

Even Visually Intact Cell Walls in Waterlogged Archaeological Wood Are Chemically Deteriorated and Mechanically Fragile: A Case of a 170 Year-Old Shipwreck

open access: yesMolecules, 2020
Structural and chemical deterioration and its impact on cell wall mechanics were investigated for visually intact cell walls (VICWs) in waterlogged archaeological wood (WAW).
Liuyang Han   +8 more
doaj   +1 more source

Impact of drought on Eucalyptus wood chemistry by near infra red hyperspectral imaging [PDF]

open access: yes, 2019
The aim is to study tree development submitted to different water and mineral constraints. The objective is to correlate spatial distribution of wood chemistry with wood density secondary growth.
Chaix, Gilles   +6 more
core   +2 more sources

Fraud and misrepresentation in retail forest products exceeds U.S. forensic wood science capacity.

open access: yesPLoS ONE, 2019
Fraud and misrepresentation in forest products supply chains is often associated with illegal logging, but the extent of fraud in the U.S. forest products market, and the availability of forensic expertise to detect it, is unknown.
Alex C Wiedenhoeft   +5 more
doaj   +1 more source

WOOD ANATOMY OF Blepharocalyx salicifolius (H.B.K.) Berg

open access: yesCiência Florestal, 2010
The purpose of this work is the description of the wood anatomy of Blepharocalyx salicifolius (H.B.K.) Berg (Myrtaceae). There were collected 6 samples of wood, three from Serra do Sudeste and the others from Campos de Cima da Serra - RS.
Luciano Denardi   +1 more
doaj   +1 more source

Wood Anatomy of Drimys S.S. (Winteraceae) [PDF]

open access: yes, 1988
Qualitative and quantitative data are reported for seven specimens representing six varieties of the four species of Drimys generally recognized. Tracheid length and diameter are correlated both with plant size and with severity of climate: wide, long ...
Carlquist, Sherwin
core   +3 more sources

Fosilni les Carapoxylon iz spodnjemiocenskih plasti pri Komendi [PDF]

open access: yes, 2008
Pieces of fossil wood were discovered near Komenda from the Lower Miocene beds. According to microscopic wood anatomy it corresponds to the family Meliaceae and to the genus Carapoxylon. This is the first identification of Miocene hardwood from Slovenia.
Braun, Slawomir   +3 more
core   +1 more source

Wood Anatomy of Scytopetalaceae [PDF]

open access: yes, 1988
Eight wood samples representing six species in two genera of Scytopetalaceae are examined with respect to qualitative and quantitative features. Rhaptopetalum differs from Scytopetalum by having scalariform perforation plates, fiber-tracheids, longer ...
Carlquist, Sherwin
core   +2 more sources

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