<?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>S2007-42982017000100103</article-id>
<article-id pub-id-type="doi">10.17129/botsci.803</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Flora of the core zones of the Monarch Butterfly Biosphere Reserve, Mexico: composition, geographical affinities and beta diversity]]></article-title>
<article-title xml:lang="es"><![CDATA[Flora de las áreas núcleo de la Reserva de la Biosfera Mariposa Monarca, México: composición, afinidades geográficas y diversidad beta]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cornejo-Tenorio]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ibarra-Manríquez]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>95</volume>
<numero>1</numero>
<fpage>103</fpage>
<lpage>129</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982017000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982017000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982017000100103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  Knowing the floristic composition of the Monarch Butterfly Reserve is a critical piece of information necessary for its conservation.  Question:  i) How many plant species (total and endemic to Mexico) are found in the core zones of the Monarch Butterfly Biosphere Reserve (MBBR)? ii) What are the most frequent growth forms found in this reserve? iii) What is the species diversity for the different types of vegetation? and iv) What is the floristic similarity among the core zones?  Studied species:  Ferns, Gimnosperms and Angiosperms.  Study site and years of study:  The three core zone (Cerro Altamirano, Cerro Pelón and Chincua-Campanario-Chivati) of the MBBR were studied from 2000 to 2006.  Methods:  A total of 49 field trips were conducted over three years (2004 to 2006) to the core zones, and previously collected specimens (2000-2003) were revised in the IEB herbarium. Beta diversity among the core zones was estimated by calculating Jaccard index (IJ).  Results:  A total of 97 families, 337 genera, 694 species and 20 infraspecific categories were inventoried. Asteraceae (147 species) and Fabaceae (37), as well as Salvia (23), Quercus (12) and Stevia (12) were the most diverse taxa. Herbaceous plants were the predominant growth form (ca. 75 %). The vegetation types with the greatest number of species were forests dominated by Quercus (427) and by Abies (329). About 38 % of species documented are endemic to Mexico. The core zones show high beta diversity values (Jaccard index 0.03 to 0.11); more of the half of the total number of species documented (66.3 %) was found exclusively in one core zone.  Conclusions:  The core zones are complementary in terms of plant conservation purposes and require similar conservation resources in order to secure important long-term maintenance of the biodiversity and forest cover that serve as winter refuges of the migrant Monarch butterfly populations.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  Para conservar los sitios de hibernación de la mariposa monarca una fuente de datos relevante es inventariar las especies que se encuentran en cada área núcleo de la reserva.  Preguntas:  i) ¿Cuántas especies (totales y endémicas de México) se encuentran en las áreas núcleo de la Reserva de la Biosfera de la Mariposa Monarca? ii) ¿Existe una forma de crecimiento más frecuente en esta reserva? iii) ¿Los tipos de vegetación que se encuentran en las áreas núcleo muestran un número similar de especies? y v) ¿Cuál es el grado de similitud florística entre las áreas núcleo?  Especie en estudio:  Helechos, Gimnospermas y Angiospermas.  Sitio de estudio y fechas:  Las tres áreas núcleo de la reserva (Cerro Altamirano, Cerro Pelón y la zona de Chincua-Campanario-Chivati), entre 2000 y 2006.  Métodos:  Se realizaron 49 salidas de campo (2004-2006) a las áreas núcleo de la reserva y se revisaron, en el herbario IEB, especímenes previamente colectados entre 2000 y 2003. La diversidad beta entre las áreas núcleo fue estimada por medio del índice de Jaccard (IJ).  Resultados:  En la reserva fueron registradas 97 familias, 337 géneros, 694 especies y 20 categorías infraespecíficas. Asteraceae (147) y Fabaceae (37), así como Salvia (23), Quercus (12) y Stevia (12) fueron los taxa más diversos. La forma de crecimiento preponderante fue la herbácea (ca. 75 %). Los tipos de vegetación que albergan el mayor número de especies son los bosques de Quercus (427) y los de Abies (329). Cerca del 38 % de las especies son endémicas de México. Las áreas núcleo presentan un valor alto de diversidad beta (índice de Jaccard entre 0.03 y 0.11); el 66.3 % de las especies se localizaron exclusivamente en una de éstas.  Conclusiones:  Las áreas núcleo son complementarias en términos de la flora que albergan y requieren esfuerzos similares para conservar a largo plazo su biodiversidad y los refugios invernales de las poblaciones migrantes de la mariposa Monarca.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[endemism]]></kwd>
<kwd lng="en"><![CDATA[growth forms]]></kwd>
<kwd lng="en"><![CDATA[temperate forests]]></kwd>
<kwd lng="en"><![CDATA[threatened species]]></kwd>
<kwd lng="es"><![CDATA[bosques templados]]></kwd>
<kwd lng="es"><![CDATA[endemismo]]></kwd>
<kwd lng="es"><![CDATA[especies amenazadas]]></kwd>
<kwd lng="es"><![CDATA[forma de crecimiento]]></kwd>
</kwd-group>
</article-meta>
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