<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342016000300681</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ecuaciones alométricas para estimar la biomasa y el carbono de la parte aérea de Pinus hartwegii en el Parque Nacional Ixta-Popo, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Allometric equations for estimating biomass and carbon from the aerial part of Pinus hartwegii in Ixta-Popo National Park, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo Anzures]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta Mireles]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez Cruz]]></surname>
<given-names><![CDATA[Carmen del R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Molina]]></surname>
<given-names><![CDATA[Lucila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Etchevers Barra]]></surname>
<given-names><![CDATA[Jorge D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,INIFAP Campo Experimental Valle de México ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo División de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Chapingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados Campus Montecillo ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>3</numero>
<fpage>681</fpage>
<lpage>691</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000300681&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000300681&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000300681&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Para determinar la biomasa en árboles de Pinus hartwegii y estimar el contenido de carbono aéreo, se calcularon ecuaciones alométricas con 29 árboles de dicha especie del Parque Nacional Izta-Popo, México. El 57.9% del peso húmedo de los árboles fue biomasa y de esta 48.6% fue carbono. La distribución de la biomasa en los árboles fue: 65.3% en el fuste, 23.8% en las ramas y 10.9% en el follaje. El contenido de carbono se distribuyó de manera similar: 64.9% en el fuste, 24.2% en las ramas y 10.9% en el follaje. El modelo ajustado es de la forma Y= bXk donde la variable dependiente (Y) es biomasa o carbono, expresada en kilogramos y la variable independiente el diámetro normal tomado a 1.3 m de altura (DN) expresado en centímetros. Los parámetros &#8220;b&#8221; y &#8220;k&#8221; del modelo fueron obtenidos por regresión lineal por el método de mínimos cuadrados; &#8220;b&#8221; mide el intercepto y &#8220;k&#8221; la pendiente del modelo. La ecuación resultante para la estimación de la biomasa fue B= 0.0635D N2.4725 y para el contenido de carbono: C= 0.0309DN2.4722, en ambas el valor de R2 fue de 0.98. Fue posible ajustar la ecuación alométrica para estimar la biomasa y el contenido de carbono de Pinus hartwegii con un alto coeficiente de determinación. Con la ecuación obtenida fue posible determinar que los árboles de esta especie concentran la mayor parte del carbono aéreo en el fuste seguido por las ramas y por último el follaje.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract To determine the biomass in trees of Pinus hartwegii and estimate the carbon content air, allometric equations with 29 trees of that species of Izta-Popo National Park, Mexico were calculated. The 57.9% of wet weight of biomass trees was 48.6% and this was carbon. The distribution of biomass in the trees was: 65.3% in the shaft, 23.8% at branches and 10.9% the foliage. The carbon content was distributed similarly: 64.9% in the shaft, 24.2% at 10.9% branches and the foliage. The adjusted model is of the form Y= bXk where the dependent variable (Y) or biomass carbon is expressed in kilograms and the independent variable taken the normal diameter 1.3 m (DN) expressed in centimeters. The parameters "b" and "k" model were obtained by linear regression by the method of least squares; "b" measures the intercept and "k" slope model. The resulting equation for estimating biomass was B = 0.0635DN2.4725 and carbon content: C= 0.0309 DN2.4722, in both the value of R2 was 0.98. It was possible to adjust the allometric equation for estimating biomass and carbon content of Pinus hartwegii with a high coefficient of determination. With the equation obtained was possible to determine that trees of this species concentrate most air bole carbon followed by the branches and finally the foliage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[alometría]]></kwd>
<kwd lng="es"><![CDATA[almacén de carbón]]></kwd>
<kwd lng="es"><![CDATA[bosque de pino]]></kwd>
<kwd lng="es"><![CDATA[cambio climático]]></kwd>
<kwd lng="en"><![CDATA[allometry]]></kwd>
<kwd lng="en"><![CDATA[climate change]]></kwd>
<kwd lng="en"><![CDATA[pine forest]]></kwd>
<kwd lng="en"><![CDATA[store carbon]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Etchevers]]></surname>
<given-names><![CDATA[B. J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de la biomasa aérea mediante el uso de relaciones alométricas en seis especies arbóreas en Oaxaca, México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2002</year>
<volume>36</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>725-36</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avendaño]]></surname>
<given-names><![CDATA[H. D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo]]></surname>
<given-names><![CDATA[A. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Etchevers]]></surname>
<given-names><![CDATA[J. J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de biomasa y carbono en un bosque de Abies religiosa]]></article-title>
<source><![CDATA[Fitotec. Mex.]]></source>
<year>2009</year>
<volume>32</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>233-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bishop]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Landell-Mills]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Los servicios ambientales de los bosques: información general]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Pagiola]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bishop]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Landell-Mills]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[la venta de servicios ambientales forestales]]></source>
<year>2003</year>
<page-range>43-76</page-range><publisher-loc><![CDATA[México, D. F. ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología (INE)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bull]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Harkin]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El desarrollo de mercados para el carbono forestal en la Columbia Británica, Canadá]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Pagiola]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bishop]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Landell-Mills]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[La venta de servicios ambientales forestales]]></source>
<year>2006</year>
<page-range>337-66</page-range><publisher-loc><![CDATA[México, D. F. ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología (INE)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carrillo]]></surname>
<given-names><![CDATA[A. F]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Juárez]]></surname>
<given-names><![CDATA[B. J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonilla]]></surname>
<given-names><![CDATA[P. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de biomasa y carbono en dos especies arbóreas en la Sierra Nevada, México]]></article-title>
<source><![CDATA[Rev. Mex. Cienc. Agríc.]]></source>
<year>2014</year>
<volume>5</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>779-93</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castellanos]]></surname>
<given-names><![CDATA[B. J. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Producción de biomasa y eficiencia de crecimiento en rodales coetáneos de Pinus patula]]></source>
<year>1993</year>
<page-range>75</page-range><publisher-loc><![CDATA[Montecillos, Texcoco, Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Programa Forestal, Colegio de Postgraduados]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Jong]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Macera]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[T. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Opciones de captura de carbono en el sector forestal]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cambio climático: una visión desde México]]></source>
<year>2004</year>
<page-range>369-80</page-range><publisher-loc><![CDATA[DF, México ]]></publisher-loc>
<publisher-name><![CDATA[SEMARNAT]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo]]></surname>
<given-names><![CDATA[A. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Buendía]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Etchevers]]></surname>
<given-names><![CDATA[B. J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinación de ecuaciones alométricas para estimar biomasa y carbono en Pinus patula Schl. et Cham]]></article-title>
<source><![CDATA[Madera y Bosques]]></source>
<year>2007</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>25-34</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[C. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[C. O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[L. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[B. J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomasa aérea y factores de expansión de especies arbóreas en bosques del sur de Nuevo León]]></article-title>
<source><![CDATA[Revista Chapingo serie Ciencias Forestales y del Ambiente]]></source>
<year>2009</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>59-64</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benitez]]></surname>
<given-names><![CDATA[G. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pece]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[De Galíndez]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Maldonado]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[V. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomasa aérea de ejemplares de Quebracho Blanco (Aspidosperma quebracho-blanco) en dos localidades del parque Chaqueño Seco]]></article-title>
<source><![CDATA[Quebracho]]></source>
<year>2002</year>
<volume>9</volume>
<page-range>115-27</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Modificaciones al sistema de clasificación climática de Köppen]]></source>
<year>1988</year>
<page-range>252</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Talleres de offset]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gargaglione]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Peri]]></surname>
<given-names><![CDATA[P. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rubio]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Allometric relations for biomass partitioning of Nothofagus antarctica trees of different crown classes over a site quality gradient]]></article-title>
<source><![CDATA[Forest Ecol. Manag.]]></source>
<year>2010</year>
<volume>259</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1118-26</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Laguna]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[flexibles del protocolo de Kioto de la convención marco de las Naciones Unidas sobre el cambio climático]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[cambio climático: una visión desde México]]></source>
<year>2004</year>
<page-range>177-88</page-range><publisher-loc><![CDATA[México, D. F. ]]></publisher-loc>
<publisher-name><![CDATA[SEMARNAT]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hitchcock]]></surname>
<given-names><![CDATA[III H.]]></given-names>
</name>
<name>
<surname><![CDATA[McDonnell]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomass measurement: a synthesis of the literature]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Frayer]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[workshop proceeding: forest resources inventories]]></source>
<year>1979</year>
<page-range>544-95</page-range><publisher-loc><![CDATA[Fort Collins, CO, USA ]]></publisher-loc>
<publisher-name><![CDATA[SAF]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<collab>IPCC</collab>
<source><![CDATA[Cambio climático 2007: informe de síntesis. Contribución de los grupos de trabajo I, II y III al cuarto informe de evaluación del grupo intergubernamental de expertos sobre el Cambio Climático]]></source>
<year>2007</year>
<page-range>73</page-range><publisher-loc><![CDATA[Suiza ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kurz]]></surname>
<given-names><![CDATA[W. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Beukema]]></surname>
<given-names><![CDATA[S. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Apps]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of root biomass and dynamics for the carbon budget model of the Canadian forest sector]]></article-title>
<source><![CDATA[Can. J. Forest Res.]]></source>
<year>1996</year>
<volume>26</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1973-9</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Little]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Métodos estadísticos para la investigación en la agricultura]]></source>
<year>1976</year>
<page-range>270</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Trillas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[T. J. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Alometría de variables dasométricas en árboles de vegetación secundaria, derivada de una selva mediana subperennifolia]]></source>
<year>1995</year>
<page-range>90</page-range><publisher-loc><![CDATA[Chapingo, Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[División de Ciencias Forestales, Universidad Autónoma Chapingo (UACH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monroy]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Návar]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecuaciones de aditividad para estimar componentes de biomasa de Hevea brasiliensis Muell. Arg., en Veracruz, México]]></article-title>
<source><![CDATA[Madera y Bosques]]></source>
<year>2004</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>29-43</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montes de Oca]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Nájera]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Méndez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ajuste de ecuaciones de biomasa para Pinus duranguensis (Martínez M.) en la región de El Salto, Durango]]></article-title>
<source><![CDATA[Rev. Chapingo Ser. Ciencias Forestales y del Ambiente]]></source>
<year>2009</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>59-64</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Peck]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vining]]></surname>
<given-names><![CDATA[G. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introducción al análisis de regresión lineal]]></source>
<year>2006</year>
<edition>Tercera</edition>
<page-range>588</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Compañía Editorial Continenta]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pimienta]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[C. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de biomasa y contenido de carbono de Pinus cooperi Blanco, en Pueblo Nuevo, Durango]]></article-title>
<source><![CDATA[Madera y Bosques]]></source>
<year>2007</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>35-46</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Romahn de la Vega]]></surname>
<given-names><![CDATA[C.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[M. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Dendrometría]]></source>
<year>1987</year>
<page-range>388</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma Chapingo (UACH). División de Ciencias forestales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosa]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kandel]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Dimas]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Compensación por servicios ambientales y comunidades rurales]]></source>
<year>2004</year>
<page-range>21-3</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[PRISMA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ter-Mikaelian]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Korzukhin]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomass equation for sixty-five North American tree species]]></article-title>
<source><![CDATA[Forest Ecol. Manag.]]></source>
<year>1997</year>
<volume>97</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-24</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Guevara]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El potencial de México para la producción de servicios ambientales: captura de carbono y desempeño hidráulico]]></article-title>
<source><![CDATA[Gaceta Ecológica]]></source>
<year>2002</year>
<volume>63</volume>
<page-range>40-59</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vidal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Benítez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlos]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Gra]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de la biomasa de copa para árboles en pie de Pinus caribaea var. caribaea en la EFI La Palma de la Provincia de Pinar del Río, Cuba]]></article-title>
<source><![CDATA[Quebracho]]></source>
<year>2004</year>
<volume>11</volume>
<page-range>60-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
