Results 11 to 20 of about 230,443 (339)

Imaged based identification of colombian timbers using the xylotron: a proof of concept international partnership

open access: yesColombia Forestal, 2021
Field deployable computer vision wood identification systems can play a key role in combating illegal logging in the real world. This work used 764 xylarium specimens from 84 taxa to develop an image data set to train a classifier to identify 14 ...
Rafael E. Arévalo B.   +6 more
doaj   +1 more source

Investigating Effects of Bordered Pit Membrane Morphology and Properties on Plant Xylem Hydraulic Functions—A Case Study from 3D Reconstruction and Microflow Modelling of Pit Membranes in Angiosperm Xylem

open access: yesPlants, 2020
Pit membranes in between neighboring conduits of xylem play a crucial role in plant water transport. In this review, the morphological characteristics, chemical composition and mechanical properties of bordered pit membranes were summarized and linked ...
Shan Li   +7 more
doaj   +1 more source

Wood Anatomy of Cneoraceae: Ecology, Relationships, and Generic Definition [PDF]

open access: yes, 1988
Wood anatomy of the three species of Cneorurm is described qualitatively and quantitatively. The species differ in features related to ecology and form a clear series in this regard. The wood features of the family can all be matched by some Rutaceae and
Carlquist, Sherwin
core   +3 more sources

Wood chemical composition in species of Cactaceae: the relationship between lignification and stem morphology. [PDF]

open access: yesPLoS ONE, 2015
In Cactaceae, wood anatomy is related to stem morphology in terms of the conferred support. In species of cacti with dimorphic wood, a unique process occurs in which the cambium stops producing wide-band tracheids (WBTs) and produces fibers; this is ...
Jorge Reyes-Rivera   +3 more
doaj   +1 more source

Transverse fracture properties of green wood and the anatomy of six temperate tree species [PDF]

open access: yes, 2016
© Institute of Chartered Foresters, 2016. All rights reserved. The aim of this study was to investigate the effect of wood anatomy and density on the mechanics of fracture when wood is split in the radial-longitudinal (RL) and tangential-longitudinal (TL)
Cattaneo, Marco E. G. V.   +3 more
core   +1 more source

Historical anatomy: concept and approaches [PDF]

open access: yesRodriguésia
Wood is considered one of the natural resources most used by human cultures. Investigations on the wood species used by human societies throughout history arise separately in different research institutions and different areas of scientific knowledge ...
João Carlos Ferreira de Melo-Júnior
doaj   +1 more source

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

Wood Anatomy News [PDF]

open access: bronzeIAWA Journal, 1990
Tony Wilkins
openaire   +2 more sources

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

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