<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-0471</journal-id>
<journal-title><![CDATA[Madera y bosques]]></journal-title>
<abbrev-journal-title><![CDATA[Madera bosques]]></abbrev-journal-title>
<issn>1405-0471</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-04712007000200003</article-id>
<article-id pub-id-type="doi">10.21829/myb.2007.1321225</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Fiber morphology in fast growth Gmelina arborea plantations]]></article-title>
<article-title xml:lang="es"><![CDATA[Morfología de la fibra en plantaciones de rápido crecimiento de Gmelina arborea]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moya Roque]]></surname>
<given-names><![CDATA[Róger]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tomazelo Fo]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canessa Amador]]></surname>
<given-names><![CDATA[Edwin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Centro de Investigación en Integración Bosque Industria ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade de São Paulo ESALQ Departamento de Ciências Florestais]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Centro de Investigación en Integración Bosque Industria ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2007</year>
</pub-date>
<volume>13</volume>
<numero>2</numero>
<fpage>3</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-04712007000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-04712007000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-04712007000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Gmelina arborea is planted in large areas of forest with the objective of producing solid wood using well known silvicultural techniques and taking advantage of the properties of the wood quality of fast-growing tree species managed in short rotation systems. The aim of this study was to analyze the morphology and dimension of fibers from the pith to the bark in trees from fast growth plantations in northern Costa Rica. The results indicate that fiber morphology is irregular in both diameter and shape; with 1 to 4 septa, abundant crystals deposited in fiber lumina and minutely bordered pits with oblique and non- vestured apertures. Fiber length, width and cell wall thickness increased with tree age in the early stages. Lumen diameter was not correlated with tree age.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Gmelina arborease planta en grandes áreas de bosques con el objetivo de producir madera sólida mediante el uso de técnicas silvícolas bien conocidas, así como para aprovechar las ventajas de las propiedades de la calidad de la madera de especies arbóreas de rápido crecimiento y manejadas por sistemas de rotación corta. El objetivo de este estudio fue analizar la morfología y dimensión de las fibras, desde la médula hasta la corteza, en los árboles de rápido crecimiento de las plantaciones del norte de Costa Rica. Los resultados indican que la morfología de la fibra es irregular, tanto en diámetro como en forma; con 1 a 4 septa, cristales abundantes que se depositan en los lúmenes de la fibra y con hendiduras minuciosamente bordeadas con orificios no cubiertos y oblicuos. La longitud y ancho de la fibra y el grosor de la pared celular se incrementaron con la edad del árbol en las etapas tempranas. El diámetro del lumen no se correlacionó con la edad del árbol.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Fiber width]]></kwd>
<kwd lng="en"><![CDATA[lumen diameter]]></kwd>
<kwd lng="en"><![CDATA[cell wall thickness]]></kwd>
<kwd lng="en"><![CDATA[fiber length]]></kwd>
<kwd lng="es"><![CDATA[Anchura de la fibra]]></kwd>
<kwd lng="es"><![CDATA[diámetro del lumen]]></kwd>
<kwd lng="es"><![CDATA[grosor de la pared celular]]></kwd>
<kwd lng="es"><![CDATA[longitud de la fibra]]></kwd>
</kwd-group>
</article-meta>
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