<?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>2007-4298</journal-id>
<journal-title><![CDATA[Botanical Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Bot. sci]]></abbrev-journal-title>
<issn>2007-4298</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Botánica de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-42982019000100002</article-id>
<article-id pub-id-type="doi">10.17129/botsci.1977</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Seed germination and population structure of two endangered tree species: Magnolia perezfarrerae and Magnolia sharpii]]></article-title>
<article-title xml:lang="es"><![CDATA[Germinación de semillas y estructura poblacional de dos especies de árboles en peligro: Magnolia perezfarrerae y Magnolia sharpii]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez-Morales]]></surname>
<given-names><![CDATA[Suria Gisela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Marcial]]></surname>
<given-names><![CDATA[Neptalí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Guanajuato Department of Biology ]]></institution>
<addr-line><![CDATA[Guanajuato Gto]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,El Colegio de la Frontera Sur Department of Biodiversity Conservation ]]></institution>
<addr-line><![CDATA[San Cristóbal de Las Casas Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>97</volume>
<numero>1</numero>
<fpage>2</fpage>
<lpage>12</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982019000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982019000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982019000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  Due to habitat fragmentation many Magnolia species are at risk of extinction in Mexico.  Question:  What type of population structure is exhibited by Magnolia perezfarreraeandM. sharpii, endemic species of Chiapas, Mexico? Does the extreme reduction in the population of bothMagnolia affect their reproductive capacity? What is the propagation potential in both species of Magnolia? Is it necessary to use pregerminative treatments for Magnolia species propagation?  Studied species: Magnolia perezfarrerae A. Vázquez &amp; Gómez-Domínguez and Magnolia sharpii Miranda.  Study sites and years of study:  Highlands and Central Depression of Chiapas, Mexico, from 2015 to 2017.  Methods:  In this study, the density and distribution of diametric sizes of M. perezfarrerae and M. sharpii were assessed in natural populations. Their reproductive capacity and the ex-situ germination of both species was analyzed.  Results:  The population density in M. perezfarrerae was 40-53 ind. ha-1, and 24-83 ind. ha-1 in M. sharpii. Size structure varied between populations of each species: one apparently without problems of regeneration, and another with discontinuous distribution in several size categories. The seeds presented physical, chemical and mechanical dormancy. The pre-germination treatments applied proved mostly effective for M. sharpii by 73 % and by 64 % for M. perezfarrerae.  Conclusions:  The current condition of Magnolia species is critical and their persistence is compromised. Any viable conservation option would need to identify potential sites for the reintroduction of new populations.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  Las especies de Magnolia en México se encuentran en riesgo de extinción debido a la fragmentación de su hábitat.  Preguntas:  ¿Qué tipos de estructura poblacional exhiben Magnolia perezfarrerae y M. sharpii, dos especies endémicas de Chiapas, México? ¿La extrema reducción de las poblaciones presentan alguna afectación en la capacidad reproductiva de las dos especies de Magnolia? ¿Cuál es el potencial de propagación en ambas especies de Magnolia? ¿Es necesario usar tratamientos pregerminativos para incrementar la propagación de ambas especies de Magnolia?  Especies estudiadas: Magnolia perezfarrerae A. Vázquez &amp; Gómez-Domínguez y Magnolia sharpii Miranda.  Sitios y años de estudio:  Los Altos y la Depresión Central de Chiapas, México, de 2015 a 2017.  Métodos:  En este estudio evaluamos la densidad y distribución de tamaños diamétricos de M. perezfarrerae y M. sharpii en dos poblaciones naturales. Se evaluó su capacidad reproductiva y la germinación ex situ.  Resultados:  La densidad poblacional de M. perezfarrerae fue de 40-53 ind. ha-1 y 24-83 ind. ha-1 en M. sharpii. La estructura de tamaños varía entre las poblaciones de cada especie: una aparentemente sin problemas de regeneración y otra con distribución discontinua en varias categorías de tamaños. Las semillas presentaron latencia física, química y mecánica. Los tratamientos pregerminativos aplicados fueron efectivos para M. sharpii con 73 % y 64 % para M. perezfarrerae.  Conclusiones:  La condición actual de las poblaciones de Magnolia es crítica, por lo que su persistencia está comprometida. Las opciones viables de conservación requieren de identificar sitios potenciales para la reintroducción de nuevas poblaciones.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[endangered species]]></kwd>
<kwd lng="en"><![CDATA[endemic]]></kwd>
<kwd lng="en"><![CDATA[ex situ propagation]]></kwd>
<kwd lng="en"><![CDATA[pre-germination treatment]]></kwd>
<kwd lng="es"><![CDATA[endémica]]></kwd>
<kwd lng="es"><![CDATA[especies en peligro]]></kwd>
<kwd lng="es"><![CDATA[propagación ex situ]]></kwd>
<kwd lng="es"><![CDATA[tratamientos pre-germinativos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baskin]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Baskin]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<source><![CDATA[Seeds. Ecology, Biogeography, and Evolution of Dormancy and Germination]]></source>
<year>2001</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Academic press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Candiani]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Galetti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mendez-Cardoso]]></surname>
<given-names><![CDATA[VJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seed germination and removal of Michelia chapaca L. (Magnoliaceae) in eucalipt stands: the influence of the aril]]></article-title>
<source><![CDATA[Revista Árbore]]></source>
<year>2004</year>
<volume>28</volume>
<page-range>327-32</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cayuela]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Rey-Benayas]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Echeverría]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clearance and fragmentation of tropical montane forests in the highlands of Chiapas, Mexico (1975-2000)]]></article-title>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2006</year>
<volume>226</volume>
<page-range>208-18</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caswell]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Matrix Population Models, Construction, Analysis and Interpretation]]></source>
<year>2001</year>
<publisher-loc><![CDATA[Sunderland Massachusetts ]]></publisher-loc>
<publisher-name><![CDATA[Sinauer Associated, Inc. Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cicuzza]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Newton]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Oldfield]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[The Red list of Magnoliaceae]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Cambridge UK ]]></publisher-loc>
<publisher-name><![CDATA[Fauna &amp; Flora International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corral-Aguirre]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seed ecology and germination treatments in Magnolia dealbata: an endangered species]]></article-title>
<source><![CDATA[Flora]]></source>
<year>2006</year>
<volume>201</volume>
<page-range>227-32</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dieringer]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Cabrera-R]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Lara]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Loya]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes-Castillo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Beetle pollination and floral thermogenicity in Magnolia tamaulipana (Magnoliaceae)]]></article-title>
<source><![CDATA[International Journal of Plant Sciences]]></source>
<year>1999</year>
<volume>160</volume>
<page-range>64-71</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernando]]></surname>
<given-names><![CDATA[MTR]]></given-names>
</name>
<name>
<surname><![CDATA[Gehan-Jayasuriya]]></surname>
<given-names><![CDATA[KMG]]></given-names>
</name>
<name>
<surname><![CDATA[Walck]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Wijetunga]]></surname>
<given-names><![CDATA[ASTB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Identifying dormancy class and storage behavior of champak (Magnolia champaca) seeds, an important tropical timber tree]]></article-title>
<source><![CDATA[Journal of the National Science Foundation of Sri Lanka]]></source>
<year>2013</year>
<volume>41</volume>
<page-range>141-6</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Si]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Ban]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Population structure and genetic diversity distribution in wild and cultivated populations of the traditional Chinese medicinal plant Magnolia officinalis subsp Biloba (Magnoliaceae)]]></article-title>
<source><![CDATA[Genetica]]></source>
<year>2009</year>
<volume>135</volume>
<page-range>233-43</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoshino]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Nishimura]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Yamamoto]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dynamics of major conifer and deciduous broad-leaved tree species in an old-growth Chamaecyparis obtusa forest, central Japan]]></article-title>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2002</year>
<volume>159</volume>
<page-range>133-44</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Iralu]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Upadhaya]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dormancy, storability, and germination of seeds in Magnolia punduana (Magnoliaceae)]]></article-title>
<source><![CDATA[Botany]]></source>
<year>2016</year>
<volume>94</volume>
<page-range>967-73</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jacobo-Pereira]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Romo-Campos]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Germinación de semillas de Magnolia pugana (Magnoliaceae), especie endémica y en peligro de extinción del occidente de México]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2016</year>
<volume>94</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez-Ramírez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Vega-Flores]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Durán]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-García]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Magnolia guerrerensis (Magnoliaceae), una especie nueva del bosque mesófilo de montaña del estado de Guerrero, México]]></article-title>
<source><![CDATA[Boletín de la Sociedad Botánica de México]]></source>
<year>2007</year>
<volume>80</volume>
<page-range>73-6</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Soltis]]></surname>
<given-names><![CDATA[ED]]></given-names>
</name>
<name>
<surname><![CDATA[Soltis]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Suh]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[DNA sequences from Miocene fossils: an NDHF sequence of Magnolia latahensis (Magnoliaceae) and an RBCL sequences of Persea pseudocarolinensis (Lauraceae)]]></article-title>
<source><![CDATA[American Journal of Botany]]></source>
<year>2004</year>
<volume>91</volume>
<page-range>615-20</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Koh]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Yoo]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Kong]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Ma]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Soltis]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Soltis]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Expression of floral MADS-box genes in basal angiosperms: implications for the evolution of floral regulators]]></article-title>
<source><![CDATA[The Plant Journal]]></source>
<year>2005</year>
<volume>43</volume>
<page-range>724-44</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kundu]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A synopsis on distribution and endemism of Magnoliaceae s.l. in Indian Subcontinent]]></article-title>
<source><![CDATA[Thaiszia Journal of Botany]]></source>
<year>2009</year>
<volume>19</volume>
<page-range>47-60</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-Icó]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cetzal-Ix]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Noguera-Savelli]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Hérnandez-Juárez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Flora vascular de la comunidad de Bazom, Los Altos de Chiapas, México]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2015</year>
<volume>93</volume>
<page-range>53-72</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McKenney]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
<name>
<surname><![CDATA[Pedlar]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Lawrence]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Campbell]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Hutchinson]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Potential impacts of climate change on the distribution of North American trees]]></article-title>
<source><![CDATA[BioScience]]></source>
<year>2007</year>
<volume>57</volume>
<page-range>939-48</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dos nuevas especies de árboles del sur de México]]></article-title>
<source><![CDATA[Anuales Instituto de Biología de la Universidad Nacional Autónoma de México]]></source>
<year>1955</year>
<volume>26</volume>
<page-range>79-83</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Newton]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Gow]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Robertson]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Williams-Linera]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Marcial]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[González-Espinosa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Allnutt]]></surname>
<given-names><![CDATA[TR]]></given-names>
</name>
<name>
<surname><![CDATA[Ennos]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic variation in two rare endemic Mexican trees, Magnolia sharpii and Magnolia schiedeana]]></article-title>
<source><![CDATA[Silvae Genetica]]></source>
<year>2008</year>
<volume>57</volume>
<page-range>348-56</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ochoa-Gaona]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[González-Espinosa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Land use and deforestation in the highlands of Chiapas, Mexico]]></article-title>
<source><![CDATA[Applied Geography]]></source>
<year>2000</year>
<volume>20</volume>
<page-range>17-42</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<collab>R Core Team</collab>
<source><![CDATA[R: A Language and Enviroment for Statistical Computing]]></source>
<year>2013</year>
<publisher-loc><![CDATA[R foundation for statistical computing ]]></publisher-loc>
<publisher-name><![CDATA[Viena, Austria]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez-Bamonde]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Andrade-Torres]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seedling survival and growth of three species of mountain cloud forest in Mexico, under different canopy treatments]]></article-title>
<source><![CDATA[New Forests]]></source>
<year>2005</year>
<volume>30</volume>
<page-range>95-101</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez-Marcial]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[González-Espinosa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Williams-Linera]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anthropogenic disturbance and tree diversity in montane rain forest in Chiapas, Mexico]]></article-title>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2001</year>
<volume>154</volume>
<page-range>311-26</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivers]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Beech]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Murphy]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Oldfield]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[The Red List of Magnoliaceae: Revised and Extended]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Cambridge U.K. ]]></publisher-loc>
<publisher-name><![CDATA[Fauna &amp; Flora International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saldaña-Acosta]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Zuloaga-Aguilar]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Jardel-Peláez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Germinación de Acer skutchii Rehder y Magnolia iltisiana Vázquez en la Reserva de la Biosfera Sierra de Manantlán, Jalisco, México]]></article-title>
<source><![CDATA[Foresta Veracruzana]]></source>
<year>2001</year>
<volume>3</volume>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda-López]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative demographic analysis in contrasting environments of Magnolia dealbata: an endangered species from Mexico]]></article-title>
<source><![CDATA[Population Ecology]]></source>
<year>2010</year>
<volume>52</volume>
<page-range>203-10</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda-López]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Vásquez-Morales]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Avendaño-Yáñez]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecology and conservation of endangered species: The case of magnolias]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Quinn]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Endangered Species]]></source>
<year>2016</year>
<page-range>63-84</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Nova Sciences Publishers, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<collab>SEMARNAT [Secretaría del Medio Ambiente y Recursos Naturales]</collab>
<article-title xml:lang=""><![CDATA[Norma Oficial Mexicana NOM-059-SEMARNAT-2010, Protección ambiental - Especies nativas de México de flora y fauna silvestres - Categorías de riesgo y especificaciones para su inclusión, exclusión o cambio - Lista de especies en riesgo]]></article-title>
<source><![CDATA[Diario Oficial de la Federación]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Toledo-Aceves]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Germination rate of endangered cloud forest trees in Mexico: potential for ex situ propagation]]></article-title>
<source><![CDATA[Journal of Forest Research]]></source>
<year>2017</year>
<volume>22</volume>
<page-range>61-4</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vásquez-Morales]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seed ecology and pre-germinative treatments in Magnolia schiedeana Schlecht, an endangered species from México]]></article-title>
<source><![CDATA[Journal of Food, Agriculture and Environment]]></source>
<year>2011</year>
<volume>9</volume>
<page-range>604-8</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vásquez-Morales]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Téllez-Valdés]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda-López]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Estévez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Viveros-Viveros]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of climate change on the distribution of Magnolia schiedeana: a threatened species]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2014</year>
<volume>92</volume>
<page-range>575-85</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vásquez-Morales]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Velásquez]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda-López]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Fleischer]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Estévez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Viveros-Viveros]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Moderate anthropogenic disturbance does not effect the demography of Magnolia schiedeana, an endangered species from Mexico]]></article-title>
<source><![CDATA[Flora]]></source>
<year>2017</year>
<volume>234</volume>
<page-range>77-83</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez-García]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Domínguez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[López-Cruz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa-Jiménez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Sahagún-Godínez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Muñiz-Castro]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Magnolia perezfarrerae, a new species and a key to Mexican species of Magnolia (Section Talauma, subsection Talauma, Magnoliaceae)]]></article-title>
<source><![CDATA[Botanical Sciences]]></source>
<year>2013</year>
<volume>91</volume>
<page-range>417-25</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez-García]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Farrera]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Dominguez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Muñiz-Castro]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<collab>Sahagun-Godínez</collab>
<article-title xml:lang=""><![CDATA[Magnolia montebelloensis, a new species in section Magnolia from Lagunas de Montebello National Park, Chiapas, México, with a key to Magnoliaceae of Chiapas]]></article-title>
<source><![CDATA[Phytotaxa]]></source>
<year>2017</year>
<volume>328</volume>
<page-range>101-14</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thermogenesis, flowering and the association with variation in floral odour attractants in Magnolia sprengeri (Magnoliaceae)]]></article-title>
<source><![CDATA[PLoS ONE]]></source>
<year>2014</year>
<volume>9</volume>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
