Results 111 to 120 of about 10,548 (206)

Narrow-sense heritability of heartwood variation in a teak (Tectona grandis) clonal trial and its potential for tree improvement

open access: yesForest Science and Technology
Teak (Tectona grandis L. f.) is a valuable tropical tree species renowned for its high-quality heartwood and excellent adaptability. Understanding the heritability of key traits such as growth characteristics and heartwood formation is essential for ...
Naoki Tani   +7 more
doaj   +1 more source

Density and mechanical properties of oak sapwood versus heartwood in three different oak species [PDF]

open access: yes, 2013
The aim of this study was to investigate the main mechanical properties of sapwood and heartwood in white and red oaks. Samples of wood were taken from 26 oak beams prepared to be used for railway sleepers, of which 62% were from white oak (either ...
Merela, Maks, Čufar, Katarina
core  

The Red-Cockaded Woodpecker Cavity Tree: A Very Special Pine [PDF]

open access: yes, 2004
The adaptation of red-cockaded woodpeckers (Picoides borealis) to fire-maintained southern pine ecosystems has included the development of behaviors that permit the species to use living pines for their cavity trees.
Conner, Richard N.   +3 more
core   +1 more source

Protected Area Assessment and Establishment in Vanuatu [PDF]

open access: yes
Resource /Energy Economics and Policy,
Bennett, Jeffrey W., Tacconi, Luca
core   +1 more source

Effects of potassium/sodium fertilization and water availability on wood properties of Eucalyptus grandis trees [PDF]

open access: yes, 2019
In Brazil. most Eucalyptus plantations are located in regions experiencing periods of water shortage where fertilizers such as potassium (K) are intensively used to achieve high productivity. Recently.
Chaix, Gilles   +2 more
core  

Soil property effects on the natural durability, extractive content and colour of teak (Tectona grandis L.f) wood in Togo [PDF]

open access: yes, 2009
Togolese teak is highly resistant to pathogen attack, but natural durability and wood colour vary according to plantation sites and geographical zones. Therefore, further information concerning the influence of environmental parameters and their effects ...
Amusant, Nadine   +3 more
core  

A Comparative Study of the Chemical Compositions of Heartwood and Sapwood in Erythrophleum fordii

open access: yesBioResources
The chemical composition, lignin structure, and extractive profiles of sapwood and heartwood were studied for 18-year-old Erythrophleum fordii trees to elucidate their chemical disparities and potential for high-value utilization.
Heng Liu   +7 more
doaj  

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