<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682023000100025</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.55.3</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estructura y diversidad arbórea de un bosque de pino-encino en Huiztlatzala, Guerrero, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Structure and tree diversity of a pine-oak forest in Huiztlatzala, Guerrero, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodriguez Pacheco]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios Rangel]]></surname>
<given-names><![CDATA[María Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mohedano Caballero]]></surname>
<given-names><![CDATA[Leopoldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva Morales]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Chapingo División de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Texcoco ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<numero>55</numero>
<fpage>25</fpage>
<lpage>40</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682023000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682023000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682023000100025&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del presente estudio fue caracterizar un bosque de Pinus-Quercus a través de indicadores ecológicos y la composición de especies presentes en el estrato arbóreo en Huiztlatzala, Guerrero. Se establecieron 25 sitios circulares de 500 m2 para hacer el inventario del arbolado adulto y sus variables dasométricas (altura total, diámetro normal mayor a 5 cm y cobertura). Los parámetros estructurales del bosque (densidad, dominancia, área basal y cobertura) se emplearon para calcular el índice de Valor de Importancia, y los índices de similitud). La riqueza de especies forestales se estimó con los modelos Chao 1 y Bootstrap. El índice de Jaccard se utilizó para determinar la similitud entre sitios. Los resultados mostraron siete especies forestales distribuidas en dos géneros, y dos familias Pinus teocote registraron una altura media de 9.51m y un diámetro de 19.55 cm superior al de otras especies, con un valor de importancia de con un 148% contraste con Quercus rubramenta 57%. Los estimadores de riqueza indicaron que se registró más del 98% de las especies calculadas por 1 ha para cada sitio (H'= 1,27, &#955;= 0,68). Los resultados obtenidos permitieron identificar las dimensiones, parámetros estructurales y dominancia de las especies; de ellas, Pinus teocote fue la de mayor valor. Se concluye que la comunidad presenta una baja diversidad y riqueza de especies arbóreas, debido al cambio de uso del suelo por influencia humana. Es necesario establecer actividades de restauración y conservación para evitar el deterioro del bosque.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this study was to characterize a Pinus-Quercus forest through ecological indicators and the composition of species present in the tree stratum in Huiztlatzala, Guerrero. Twenty-five circular sites of 500 m2 were established to inventory the adult trees and their dasometric variables (total height, normal diameter greater than 5 cm and cover). The structural parameters of the forest (density, dominance, basal area and cover) were used to calculate the Importance Value index and the similarity indexes.) Species richness was estimated with the Chao 1 and Bootstrap models. The Jaccard index was used to determine similarity between sites. The results showed seven species distributed in two genera and two families Pinus teocote recorded a mean height of 9.51 m and a diameter of 19.55 cm higher than other species, with an importance value of 148% in contrast to Quercus rubramenta 57%. Richness estimators indicated that more than 98% of the calculated species per 1 ha were recorded for each site (H'= 1.27, &#955;= 0.68). The results obtained allowed us to identify the dimensions, structural parameters and species dominance; of these, Pinus teocote had the highest value. It is concluded that the community has a low diversity and richness of tree species, due to the change in land use by human influence. It is necessary to establish restoration and conservation activities to avoid forest deterioration.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Árbol]]></kwd>
<kwd lng="es"><![CDATA[conservación]]></kwd>
<kwd lng="es"><![CDATA[disturbio antropogénico]]></kwd>
<kwd lng="es"><![CDATA[montaña]]></kwd>
<kwd lng="es"><![CDATA[Pinus-Quercus]]></kwd>
<kwd lng="es"><![CDATA[vegetación]]></kwd>
<kwd lng="en"><![CDATA[Tree]]></kwd>
<kwd lng="en"><![CDATA[conservation]]></kwd>
<kwd lng="en"><![CDATA[anthropogenic disturbance]]></kwd>
<kwd lng="en"><![CDATA[mountain]]></kwd>
<kwd lng="en"><![CDATA[Pinus-Quercus]]></kwd>
<kwd lng="en"><![CDATA[vegetation]]></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[Aguirre C.]]></surname>
<given-names><![CDATA[Ó. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez P.]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño G.]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz A.]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de diversos tamaños de sitio de muestreo en inventarios forestales]]></article-title>
<source><![CDATA[Madera y Bosques]]></source>
<year>2016</year>
<volume>3</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pando-Moreno]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño-Garza]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Canizales-Velázquez]]></surname>
<given-names><![CDATA[P. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la diversidad arbórea en áreas restauradas post-incendio en el parque ecológico Chipinque, México]]></article-title>
<source><![CDATA[Acta Biológica Colombiana]]></source>
<year>2010</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>309-24</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdecantos-Dema]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pando-Moreno]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño-Garza]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización de regeneración leñosa post-incendio de un ecosistema templado del parque ecológico Chipinque, México]]></article-title>
<source><![CDATA[Revista Chapingo Serie Ciencias Forestales y Del Ambiente]]></source>
<year>2011</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>31-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arteaga M.]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Etchevers]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Volke H.]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influencia de las características fisiográficas y edáficas en el crecimiento Pinus radiata D. Don en Ayotoxtla, Guerrero]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>1985</year>
<numero>60</numero>
<issue>60</issue>
<page-range>109-21</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barrios-Calderón]]></surname>
<given-names><![CDATA[R. de J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez P.]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres V.]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Cadena]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estructura y composición florística de un bosque de Pinus-Quercus en El Porvenir, Chiapas]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Forestales]]></source>
<year>2022</year>
<volume>13</volume>
<numero>73</numero>
<issue>73</issue>
<page-range>50-74</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blanco]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bosques, suelo y agua: explorando sus interacciones]]></article-title>
<source><![CDATA[Ecosistemas]]></source>
<year>2017</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castellanos-Bolaños]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño-Garza]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez-Martínez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diversidad arbórea y estructura espacial de bosques de pino-encino en Ixtlán de Juárez, Oaxaca]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Forestales]]></source>
<year>2019</year>
<volume>1</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>39-52</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cervantes]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Arriaga]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Carabias]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La problemática socioambiental e institucional de la reforestación en la Región de la Montaña, Guerrero, México]]></article-title>
<source><![CDATA[Boletín de La Sociedad Botánica de México]]></source>
<year>1996</year>
<volume>59</volume>
<page-range>67-80</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chao]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimating the number of classes via sample coverage]]></article-title>
<source><![CDATA[Journal of the American Statistical Association]]></source>
<year>1992</year>
<volume>87</volume>
<numero>417</numero>
<issue>417</issue>
<page-range>201-17</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<collab>CONABIO</collab>
<source><![CDATA[El Bosque Mesófilo de Montaña en México: amenazas y oportunidades para su conservación y manejo sostenible]]></source>
<year>2010</year>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y uso de la Biodiversidad]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Curtis]]></surname>
<given-names><![CDATA[J. T.]]></given-names>
</name>
<name>
<surname><![CDATA[McIntosh]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An upland forest continuum in the Prairie-Forest border region of Wisconsin]]></article-title>
<source><![CDATA[Ecology]]></source>
<year>1951</year>
<volume>32</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>476-96</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores D.]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[López L.]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribución y conocimiento tradicional del género Quercus en Gerrero, México]]></article-title>
<source><![CDATA[Foro de Estudios Sobre Guerrero, Medio Ambiente y Recursos Naturales]]></source>
<year>2018</year>
<volume>4</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>561-70</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Flora de Guerrero]]></article-title>
<source><![CDATA[Pinaceae]]></source>
<year>2013</year>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Franklin]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Spies]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pelt]]></surname>
<given-names><![CDATA[R. Van]]></given-names>
</name>
<name>
<surname><![CDATA[Carey]]></surname>
<given-names><![CDATA[A. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Thornburgh]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Berg]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lindenmayer]]></surname>
<given-names><![CDATA[D. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Harmon]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Keeton]]></surname>
<given-names><![CDATA[W. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Shaw]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bible]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Disturbances and structural development of natural forest ecosystems with silvicultural implications, using Douglas-fir forests as an example]]></article-title>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2002</year>
<volume>155</volume>
<numero>1-3</numero>
<issue>1-3</issue>
<page-range>399-423</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García G.]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Narváez F.]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Olivas G.]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández S.]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diversidad y estructura vertical del bosque de pino-encino en Guadalupe y Calvo]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Forestales]]></source>
<year>2019</year>
<volume>10</volume>
<numero>53</numero>
<issue>53</issue>
<page-range>41-63</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaussens]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La otra montaña roja: el cultivo de la amapola en Guerrero]]></article-title>
<source><![CDATA[Textual]]></source>
<year>2018</year>
<volume>71</volume>
<page-range>33-69</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Graciano-Ávila]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Luján-Soto]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composición, estructura y diversidad de especies arbóreas en un bosque templado del Noroeste de México]]></article-title>
<source><![CDATA[Ecosistemas y Recursos Agropecuarios]]></source>
<year>2017</year>
<volume>4</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>535-42</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Salas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[Ó. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño-Garza]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Tagle]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Luján-Álvarez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Olivas-García]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez-Pereda]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto del manejo forestal en la diversidad y composición arbórea de un bosque templado del noroeste de México]]></article-title>
<source><![CDATA[Revista Chapingo, Serie Ciencias Forestales y Del Ambiente]]></source>
<year>2013</year>
<volume>19</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>189-99</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<collab>INEGI</collab>
<article-title xml:lang=""><![CDATA[Anuario estadístico de Guerrero]]></article-title>
<source><![CDATA[INEGI]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Hernández]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[Ó. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Monarrez-Gonzalez]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Tagle]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composición and diversidad de especies forestales en bosques templados de Puebla, México]]></article-title>
<source><![CDATA[Madera Bosques]]></source>
<year>2017</year>
<volume>23</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>39-51</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lot]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chiang]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de herbario: administración y manejo de colecciones, técnicas de recolección y preparación de ejemplares botánicos]]></source>
<year>1986</year>
<publisher-name><![CDATA[UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Magurran]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Measuring biological diversity]]></source>
<year>1998</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Méndez-Osorio]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre-Calderón]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño-Garza]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la regeneración postincendio en un bosque de pino-encino de la Sierra de Guerrero, México]]></article-title>
<source><![CDATA[Ciencia UANL]]></source>
<year>2014</year>
<volume>17</volume>
<numero>69</numero>
<issue>69</issue>
<page-range>63-70</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Méndez O.]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora D.]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanis R.]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez P.]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre C.]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño G.]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pequeño L.]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fitodiversidad y estructura de un bosque de pino-encino en la Sierra Madre del Sur, México]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Forestales]]></source>
<year>2018</year>
<volume>9</volume>
<numero>50</numero>
<issue>50</issue>
<page-range>35-53</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora-Donjuán]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resiliencia de bosques de pino - encino en América: una visión global del estado actual]]></article-title>
<source><![CDATA[Revista Forestal Mesoamericana Kurú]]></source>
<year>2016</year>
<volume>13</volume>
<numero>33</numero>
<issue>33</issue>
<page-range>01-2</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno E.]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Métodos para medir la biodiversidad]]></source>
<year>2001</year>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mostacedo]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Fredericksen]]></surname>
<given-names><![CDATA[T. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Manual de métodos básicos de muestreo y análisis en Ecología Vegetal]]></article-title>
<source><![CDATA[Proyecto de Manejo Forestal Sostenible]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palmer]]></surname>
<given-names><![CDATA[W. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The estimation of species richness by extrapolation]]></article-title>
<source><![CDATA[Ecological Society of America]]></source>
<year>1990</year>
<volume>71</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1195-8</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ríos]]></surname>
<given-names><![CDATA[C. J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cantú]]></surname>
<given-names><![CDATA[A. V.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[L. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco]]></surname>
<given-names><![CDATA[F. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diversidad y estructura forestal en bosques de la comunidad Piedra Escalera, Tlacoapa, Guerrero]]></article-title>
<source><![CDATA[Foro de Estudios Sobre Guerrero, Medio Ambiente y Recursos Naturales]]></source>
<year>2018</year>
<volume>4</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>581-92</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rubio-Camacho]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Tagle]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Himmelsbach]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila-Flores]]></surname>
<given-names><![CDATA[D. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Alanís-Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patrones de distribución espacial del arbolado en un bosque mixto de pino-encino del noreste de México]]></article-title>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2017</year>
<volume>88</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>113-21</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santiago P.]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Villavicencio G.]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Godínez H.]]></surname>
<given-names><![CDATA[J. de J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez A.]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Toledo G.]]></surname>
<given-names><![CDATA[S. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tamaño de fragmentos forestales en el bosque pino-encino, Sierra de Quila, Jalisco]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Forestales]]></source>
<year>2012</year>
<volume>3</volume>
<numero>14</numero>
<issue>14</issue>
<page-range>23-38</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<collab>Unión Internacional para la Conservación de la Naturaleza (IUCN)</collab>
<source><![CDATA[Lista roja de especies amenazadas de la Unión Internacional para la conservación de la naturaleza]]></source>
<year>2007</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valencia-Ávalos]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Durán]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Gordillo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Ramírez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La flora del municipio de Atenango del río, estado de Guerrero, México]]></article-title>
<source><![CDATA[Polibotánica]]></source>
<year>2011</year>
<volume>32</volume>
<page-range>9-39</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villavicencio E.]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdez H.]]></surname>
<given-names><![CDATA[J. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la estructura arbórea del sistema agroforestal rusticano de café en San Miguel, Veracruz, México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2003</year>
<volume>37</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>413-23</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[J. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Lutterschmidt]]></surname>
<given-names><![CDATA[W. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Species-Area relationships indicate large-scale data gaps in herbarium collections]]></article-title>
<source><![CDATA[Lundellia]]></source>
<year>2006</year>
<volume>9</volume>
<page-range>41-50</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zacarias-Eslava]]></surname>
<given-names><![CDATA[L. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cornejo-Tenorio]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortés-Flores]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Castañeda]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibarra-Manríquez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composición, estructura y diversidad del cerro El Águila, Michoacán, México]]></article-title>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2011</year>
<volume>82</volume>
<page-range>854-69</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zarco-Espinosa]]></surname>
<given-names><![CDATA[V. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdez-Hernández]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ángeles-Pérez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo-Acosta]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estructura y diversidad de la vegetación arbórea del Parque Estatal Agua Blanca, Macuspana, Tabasco]]></article-title>
<source><![CDATA[Universidad y Ciencia]]></source>
<year>2010</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-17</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
