Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments

Abstract: Wood used for structural purposes has increased in the last decade in Spain. However, as raw material, wood needs to comply with requirements that are not always present. Knowledge about the wood quality from the trees on the stand is essential for providing feedback to forest managers and...

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Autores principales:	Ruano,Antonio, Hermoso,Eva
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2021
Materias:	Juvenile wood Pinus sylvestris Pinus nigra silvicultural treatments X-ray densitometry wood quality.
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100421
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spelling	oai:scielo:S0718-221X20210001004212021-05-30Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatmentsRuano,AntonioHermoso,Eva Juvenile wood Pinus sylvestris Pinus nigra silvicultural treatments X-ray densitometry wood quality. Abstract: Wood used for structural purposes has increased in the last decade in Spain. However, as raw material, wood needs to comply with requirements that are not always present. Knowledge about the wood quality from the trees on the stand is essential for providing feedback to forest managers and for taking the required actions to obtain suitable silviculture treatments. Two of the main wood species used in construction in Spain, Pinus nigra and Pinus sylvestris, have been studied in order to determine the amount of juvenile wood, which has been identified as a harmful characteristic for its decrease in quality of the physical-mechanical properties of these species. Being relevant for the best quality of timber in the part along the bole where the logs are obtained, the distribution of juvenile wood at different heights and the effect of several silvicultural treatments have had on juvenile wood formation has been considered. The juvenile-mature wood boundary (transition year) was calculated through segmented linear mixed models employing as variables annual latewood density, obtained through micro X-ray densitometry, silvicultural practices, and a drought index. The results show how juvenile and mature wood is distributed along the bole and the proportion of juvenile wood. Its reduction according to the different thinning and pruning silvicultural practices is presented.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.23 20212021-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100421en10.4067/s0718-221x2021000100421
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Juvenile wood Pinus sylvestris Pinus nigra silvicultural treatments X-ray densitometry wood quality.
spellingShingle	Juvenile wood Pinus sylvestris Pinus nigra silvicultural treatments X-ray densitometry wood quality. Ruano,Antonio Hermoso,Eva Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
description	Abstract: Wood used for structural purposes has increased in the last decade in Spain. However, as raw material, wood needs to comply with requirements that are not always present. Knowledge about the wood quality from the trees on the stand is essential for providing feedback to forest managers and for taking the required actions to obtain suitable silviculture treatments. Two of the main wood species used in construction in Spain, Pinus nigra and Pinus sylvestris, have been studied in order to determine the amount of juvenile wood, which has been identified as a harmful characteristic for its decrease in quality of the physical-mechanical properties of these species. Being relevant for the best quality of timber in the part along the bole where the logs are obtained, the distribution of juvenile wood at different heights and the effect of several silvicultural treatments have had on juvenile wood formation has been considered. The juvenile-mature wood boundary (transition year) was calculated through segmented linear mixed models employing as variables annual latewood density, obtained through micro X-ray densitometry, silvicultural practices, and a drought index. The results show how juvenile and mature wood is distributed along the bole and the proportion of juvenile wood. Its reduction according to the different thinning and pruning silvicultural practices is presented.
author	Ruano,Antonio Hermoso,Eva
author_facet	Ruano,Antonio Hermoso,Eva
author_sort	Ruano,Antonio
title	Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
title_short	Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
title_full	Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
title_fullStr	Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
title_full_unstemmed	Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
title_sort	juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments
publisher	Universidad del Bío-Bío
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100421
work_keys_str_mv	AT ruanoantonio juvenilematurewoodevaluationalongtheboleconsideringtheinfluenceofsilviculturaltreatments AT hermosoeva juvenilematurewoodevaluationalongtheboleconsideringtheinfluenceofsilviculturaltreatments
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Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments

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