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  <titleInfo>
    <title>Observaciones sobre algunos factores que limitan el establecimiento de la regeneración natural en bosques de pino en Calpulalpan, Tlax</title>
  </titleInfo>
  <name type="personal">
    <namePart>Ruiz González, Arnulfo.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Barrios Espinosa, José Ramón.</namePart>
  </name>
  <name type="personal">
    <namePart>González Chávez, Jesús Javier.</namePart>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="text">Chapingo, Méx</placeTerm>
    </place>
    <publisher>El Autor</publisher>
    <dateIssued>1990</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <physicalDescription>
    <extent>150 h. : ilus. ; gráfs.</extent>
  </physicalDescription>
  <note>Tesis (Ing. Agr. Esp. en Bosques) -- UACH. División de Ciencias Forestales</note>
  <subject>
    <topic>Bosques</topic>
    <topic>Efecto del medio ambiente</topic>
  </subject>
  <subject>
    <topic>Bosques</topic>
    <topic>Regeneración</topic>
  </subject>
  <subject>
    <topic>Pináceas</topic>
    <topic>Tlaxcala</topic>
  </subject>
  <subject>
    <topic>Pinus montezumae</topic>
  </subject>
  <subject>
    <topic>Pinus rudis</topic>
  </subject>
  <identifier type="lccn">1906</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg"/>
    <recordCreationDate encoding="marc">971013</recordCreationDate>
    <recordChangeDate encoding="iso8601">20220329133058.0</recordChangeDate>
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