<?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>2310-3469</journal-id>
<journal-title><![CDATA[Revista Cubana de Ciencias Forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana ciencias forestales]]></abbrev-journal-title>
<issn>2310-3469</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Pinar del Río Hermanos Saíz Montes de Oca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2310-34692019000200171</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de parámetros biológicos y bioquímicos en un suelo bajo distintas especies forestales de la Patagonia Argentina]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of biological and biochemical parameters in a soil under different forest species of the Argentinian Patagonia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cristina Sarti]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[N. Effrona]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Buenos Aires Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>7</volume>
<numero>2</numero>
<fpage>171</fpage>
<lpage>183</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2310-34692019000200171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2310-34692019000200171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2310-34692019000200171&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En los sistemas forestales, la descomposición de la hojarasca es la principal vía de entrada de los nutrientes en el suelo y es uno de los puntos clave del reciclado de la materia orgánica y nutrientes. La tasa a la cual se descomponen todos los restos vegetales depende de factores ambientales y del material aportado por las distintas especies forestales. El objetivo de este trabajo fue evaluarel efecto de la cubierta vegetal sobre parámetros biológicos y bioquímicos en un suelo debajo de dos especies forestales nativas ciprés de la cordillera (Austrocedrus chilensis (Don) Flor. et Boutl.), radal (Lomatia hirsuta Diels.), una especie exótica roble europeo (Quercus robur) y un área adyacente al bosque que posee sólo vegetación arbustiva. Se estudió la actividad de las enzimas ß-glucosidasa, fosfatasa, proteasa y recuentos de microorganismos. En la hojarasca de cada especie forestal, se midieron los niveles de N, P, lignina y celulosa. Los resultados mostraron que la actividad biológica fue mayor en el suelo bajo las especies forestales que en el área adyacente al bosque. A su vez, la hojarasca que corresponde al roble europeo, presentó los menores contenidos de sustancias recalcitrantes como lignina y celulosa y los mayores contenidos de N y P, esto facilitaría la actividad de los microorganismos del suelo facilitando la descomposición del material vegetal. Se concluyó que desde el punto de vista microbiológico la implantación de la especie Roble propiciaría una mejor calidad del suelo forestal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In forest systems, the decomposition of litterfall is the main route of entry of nutrients into the soil and is one of the key points of recycling organic matter and nutrients. The rate at which all plant debris decomposes depends on environmental factors and the material provided by different forest species. The objective of this work was to evaluate the effect of vegetation cover on biological and biochemical parameters in a soil beneath two native forest species of the Mountain range (Austrocedrus chilensis (Don) Flor. et Boutl.), radal (Lomatia hirsuta Diels.), an exotic european oak (Quercus robur) and an area adjacent to the forest that has only shrub vegetation. The activity of the enzymes ß-glucosidase, phosphatase, protease and microorganism counts were studied. In the leaf litter of each forest species, the levels of N, P, lignin and cellulose were measured. The results showed that the biological activity was higher in the soil under the forest species than in the area adjacent to the forest. At the same time, the litterfall corresponding to the european oak, presented the lowest contents of recalcitrant substances such as lignin and cellulose and the highest contents of N and P, this would facilitate the activity of soil microorganisms facilitating the decomposition of plant material. It was concluded that from the microbiological point of view the implantation of the species roble would propitiate a better quality of the forest soil.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[actividades enzimáticas]]></kwd>
<kwd lng="es"><![CDATA[ciprés de la cordillera]]></kwd>
<kwd lng="es"><![CDATA[radal]]></kwd>
<kwd lng="es"><![CDATA[roble europeo.]]></kwd>
<kwd lng="en"><![CDATA[enzymatic activities]]></kwd>
<kwd lng="en"><![CDATA[cypress of mountain range]]></kwd>
<kwd lng="en"><![CDATA[radal]]></kwd>
<kwd lng="en"><![CDATA[european oak.]]></kwd>
</kwd-group>
</article-meta>
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