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sapwood
sapwood
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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sap·wood
/ ˈsapˌwoŏd/
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n.
the soft outer layers of recently formed wood between the heartwood and the bark, containing the functioning vascular tissue.
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Influence of site on sapwood and heartwood ratios of Turkish calabrian pine.
Magazine article from: Forest Products Journal; 4/1/2003; ; 700+ words
; ...the influence of site factor on the sapwood and heartwood ratios of Turkish calabrian...Izmir. The results indicated that the sapwood and heartwood ratios of the calabrian...test, it was found that differences in sapwood and heartwood ratios among the sites were...
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Comparison of fixation rates of earlywood, latewood, sapwood, and heartwood of CCA-treated Douglas-fir, southern pine, and eastern larch. (Solid Wood Products).(Statistical Data Included)
Magazine article from: Forest Products Journal; 5/1/2002; ; 700+ words
; ...wood preservative in earlywood, latewood (cut from sapwood), whole sapwood, and whole heartwood of Douglas-fir (Pseudotsuga...CCA also fixed more rapidly in heartwood than in sapwood in all species. Generally, [Cr.sup.VI] fixation...
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Increased photosynthesis offsets costs of allocation to sapwood in an arid environment.
Magazine article from: Ecology; 10/1/1998; ; 700+ words
; ...allocate proportionally more biomass to sapwood and less to foliage than in cooler, moister...1995). Proportional changes in leaf: sapwood area ratios within a species may provide...Grace 1995). However, the increase in sapwood biomass at the expense of photosynthetic...
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Variation of terpenes in sapwood and heartwood of loblolly pine: impact on VOC emissions from drying lumber samples.(volatile organic compound)
Magazine article from: Forest Products Journal; 9/1/2006; ; 700+ words
; ...gave concentrations of terpenes in heartwood, inner sapwood, and outer sapwood of 1.1 (0.068), 0.29 (0.061) and 0...The measured VOC emissions from heartwood and sapwood lumber samples were 6.21 and 3.27 pounds per...
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Effect of chemical and physical properties on the decay susceptibility of southern pine sapwood decking in two aboveground exposures.
Magazine article from: Forest Products Journal; 9/1/2009; ; 700+ words
; ...Abstract Southern pine (Pinus spp.) sapwood has variable decay susceptibility. To...flatsawn defect- free southern pine decking sapwood boards, 5/4 by 6 inch nominal, were...the decay rates of replicate untreated sapwood control test samples has been observed...
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Sapwood moisture in Douglas-fir boles and seasonal changes in soil water.
Magazine article from: Canadian Journal of Forest Research; 7/1/2007; ; 700+ words
; ...of seasonal changes in soil moisture to sapwood water content was evaluated in four forest...At two sites, gravimetric measures of sapwood relative water content (SRWC) were taken...This paradigm holds that water stored in sapwood is progressively drawn-down by as much...
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Distribution of terpenes in heartwood and sapwood of loblolly pine.
Magazine article from: Forest Products Journal; 7/1/2006; ; 700+ words
; ...deviations (in parentheses) in the heartwood, inner sapwood, and outer sapwood of the increment core samples were 2.3 (0.42...occurrences, the concentrations of terpenes found in sapwood, heartwood, and knot samples by methylene chloride...
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Retranslocation of calcium and magnesium at the heartwood-sapwood boundary of Atlantic white cedar.
Magazine article from: Ecology; 3/1/1995; ; 700+ words
; ...Ca and Mg concentrations in the inner sapwood were notably higher than those in the...translocated to the younger, functional sapwood as heartwood is formed. The objectives...diameter core was cut at the heartwood-sapwood boundary with a stainless steel blade...
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Concentrations of Ca and Mg in early stages of sapwood decay in red spruce, eastern hemlock, red maple, and paper birch.
Magazine article from: Canadian Journal of Forest Research; 5/1/2007; ; 700+ words
; ...density and concentration of Ca and Mg in sapwood of red maple (Acer rubrum L.), red...period investigated, with birch and maple sapwood decaying at faster rates than spruce and...indicated a significant accumulation of Ca for sapwood of all tree species at both locations...
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Seasonal and perennial changes in the distribution of water in the sapwood of conifers in sub-frigid zone1
Magazine article from: Plant Physiology; 4/1/2003; ; 700+ words
; ...changes in patterns of cavitation in the sapwood of three species of conifer (Larix kaempferi...in conifers did not include the entire sapwood and differed among annual rings. In trees...water transport in the stem occurs in the sapwood, which includes living parenchyma and...
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sapwood
Book article from: The Columbia Encyclopedia, Sixth Edition
sapwood relatively thin, youngest, outer part...In the cross section of a tree, the sapwood is recognizable by its texture and color...grows in diameter, the innermost layers of sapwood become heartwood, and new sapwood is produced...
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Tree
Encyclopedia entry from: UXL Encyclopedia of Science
...layer of xylem tissue is known as the sapwood. Finally, the heartwood is in the center...heartwood. Typically darker than the sapwood, the heartwood is very stiff and serves...plants and algae and converted to food. Sapwood: Newly formed, outer layer of wood between...
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heartwood
Book article from: The Columbia Encyclopedia, Sixth Edition
...heartwood is usually denser and darker in color than the outer sapwood . Before the synthesis of aniline dyes, the heartwood of...older, the heartwood increases in diameter, whereas the sapwood remains about the same thickness. See wood .
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Wood
Encyclopedia entry from: The Gale Encyclopedia of Science
...water-conducting section of the secondary xylem known as sapwood. The parenchyma are made by the vascular cambium along with...diameter, most of its biomass is composed of heartwood. New sapwood is created during each growing season. However, within two...
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wood
Book article from: The Columbia Encyclopedia, Sixth Edition
...poisonous substances (tannins, dyes, resins, and gums). This inner wood (the heartwood, as opposed to the functional sapwood) is valued for outdoor construction because of its resistance to moisture and to decay-producing organisms. Commercial...
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