<?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>S2007-09342016001002793</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nutrimentos en follaje y depósito húmedo de nitrato, amonio y sulfato del lavado de copa en bosques de Abies religiosa]]></article-title>
<article-title xml:lang="en"><![CDATA[Nutrients in foliage and wet deposition of nitrate, ammonium and sulfate in washing tree top in Abies religiosa forests]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña-Mendoza]]></surname>
<given-names><![CDATA[Enrique R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Guerrero]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[Mark E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández de la Rosa]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado Rosales]]></surname>
<given-names><![CDATA[Dionicio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,USDA Forest Service  ]]></institution>
<addr-line><![CDATA[Riverside CA]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>spe14</numero>
<fpage>2793</fpage>
<lpage>2805</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016001002793&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016001002793&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016001002793&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se evaluaron los contenidos nutrimentales y el lavado de copa en los bosques de Abies religiosa, de San Miguel Tlaixpan (SMT), y Río Frío (RF), Estado de México. El trabajo tuvo dos partes. En la primera, se evaluó el contenido nutrimental en follaje nuevo (N, P, K, Ca y Mg) en árboles de Abies religiosa, en los periodos de primavera, verano e invierno, en rodales con diferente grado de daño de copa. Los resultados no mostraron correspondencia entre el grado de daño de copa y la variación del contenido de nutrimentos en follaje, excepto para N y Mg con mayores contenidos foliares con respecto al sitio testigo RF. Asimismo, no se encontraron deficiencias de los nutrimentos estudiados; sin embargo, la relación Mg/N se mantuvo estable en las fechas de muestreo en el sitio testigo RF, mientras que en SMT la relación decreció. En la segunda parte se llevó a cabo un análisis de las formas iónicas de nitrógeno y azufre del lavado de copa. Los resultados indican depósitos moderados en ambos sitios. Sin embargo, se encontraron diferencias significativas en el lavado de copa para NH4+-N entre los dos bosques, con valores de 8.56 y 4.34 kg ha-1 año-1 en SMT y RF. En el mismo orden, el flujo de NO3--N fue de 4.40 y 2.84 kg ha-1 año-1 pero las diferencias no fueron estadísticamente significativas. El depósito total de N varió fue de 12.96 y 7.18 para SMT y RF, respectivamente. Para SO42--los flujos fueron de 15.36 y 6.67 kg ha-1 año-1 en SMT y RF, en el mismo orden.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The nutritional content and tree top in the forests are evaluated of Abies religiosa, San Miguel Tlaixpan (SMT) and Rio Frio (RF), State of Mexico. The work had two parts. In the first, the nutritional content was evaluated in new foliage (N, P, K, Ca and Mg) in Abies religiosa trees, in periods of spring, summer and winter, in stands with different degrees of damage tree top. The results showed no correlation between the degree of damage of tree top and nutrient content variation in foliage, except for N and Mg with higher leaf content compared with the control RF site. Furthermore, no deficiencies of nutrients studied were found; however, the Mg / N was stable at the time of sampling in the control site RF, while the ratio decreased SMT. In the second part it was carried out an analysis of the ionic forms of nitrogen and sulfur wash tree top . The results indicate moderate deposits at both sites. However, significant differences in washing NH4+-N tree top between the two forests were found, with values of 8.56 and 4.34 kg ha-1 yr-1 in SMT and RF. In the same order, the flow of NO3- N was 4.40 and 2.84 kg ha-1 yr-1 but the differences were not statistically significant. The total deposit of N varied was 12.96 and 7.18 for SMT and RF, respectively. To SO42 - flows were 15.36 and 6.67 kg ha-1 yr-1 in SMT and RF, in the same order.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Abies religiosa]]></kwd>
<kwd lng="es"><![CDATA[contaminación atmosférica]]></kwd>
<kwd lng="es"><![CDATA[depósito atmosférico]]></kwd>
<kwd lng="es"><![CDATA[nutrición forestal]]></kwd>
<kwd lng="en"><![CDATA[Abies religiosa]]></kwd>
<kwd lng="en"><![CDATA[air pollution]]></kwd>
<kwd lng="en"><![CDATA[atmospheric deposition]]></kwd>
<kwd lng="en"><![CDATA[forest nutrition]]></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[Alvarado]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Declinación y muerte del bosque de oyamel (Abies religiosa) en el sur del Valle de México]]></source>
<year>1989</year>
<publisher-loc><![CDATA[Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alvarado-Rosales]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Tejeda]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Decline of sacred fir in the Desierto de los Leones National Park]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Tejeda]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Urban Air Pollution and forests. Resources at Risk in the México City air basin]]></source>
<year>2002</year>
<page-range>243-60</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alvarado-Rosales]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Galindo-Alonso]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Declinación y muerte del bosque de Oyamel (Abies religiosa) en el sur del Valle de México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>1991</year>
<volume>1</volume>
<page-range>123-43</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arthur]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fahey]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Throughfall chemistry in an Engelmann spruce -subalpine fir forest in north central Colorado]]></article-title>
<source><![CDATA[Can. J. For. Res.]]></source>
<year>1993</year>
<volume>23</volume>
<page-range>738-42</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Batey]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Chessner]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Willett]]></surname>
<given-names><![CDATA[I. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sulphuric perchloric acid digestion of plant material for nitrogen determination]]></article-title>
<source><![CDATA[Anal. Chem. Acta]]></source>
<year>1974</year>
<volume>69</volume>
<page-range>484-7</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Binkley]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nutrición forestal. Prácticas de manejo]]></source>
<year>1993</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[UTEHA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bray]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kurtz]]></surname>
<given-names><![CDATA[L. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determination of total, inorganic and available forms of phosphorus in soil]]></article-title>
<source><![CDATA[Soil Sci.]]></source>
<year>1945</year>
<volume>59</volume>
<page-range>39-45</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Butler]]></surname>
<given-names><![CDATA[J. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Likens]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A direct comparison of troughfall plus stemflow to estimates of dry and total deposition for sulfur and nitrogen]]></article-title>
<source><![CDATA[Atmos. Environ.]]></source>
<year>1995</year>
<volume>29</volume>
<page-range>1253-65</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cody]]></surname>
<given-names><![CDATA[P. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Applied statistics and the SAS programming language]]></source>
<year>1997</year>
<edition>Fourth</edition>
<publisher-loc><![CDATA[New Jersey, USA ]]></publisher-loc>
<publisher-name><![CDATA[Printice Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chapman]]></surname>
<given-names><![CDATA[H. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cation exchange capacity]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods of soils analysis]]></source>
<year>1965</year>
<publisher-loc><![CDATA[Madison, Wisconsin ]]></publisher-loc>
<publisher-name><![CDATA[Am. Soc. Agron.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Day]]></surname>
<given-names><![CDATA[P. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Particle fractionation and particle-size analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods of soils analysis]]></source>
<year>1965</year>
<publisher-loc><![CDATA[Madison, Wisconsin ]]></publisher-loc>
<publisher-name><![CDATA[American Society of Agronomy]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Erisman]]></surname>
<given-names><![CDATA[W. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mols]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonteijn]]></surname>
<given-names><![CDATA[P. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bakker]]></surname>
<given-names><![CDATA[F. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Throughfall monitoring at 4 sites in the Netherlands between 1995 and 2000]]></source>
<year>2001</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Quevedo-Nolasco]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[RodríguezFrausto]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen and sulfur deposition and forest nutrient status in the Valley of México]]></article-title>
<source><![CDATA[Water, Air Soil Pollut.]]></source>
<year>1999</year>
<volume>113</volume>
<page-range>155-74</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Zeller]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Quevedo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Tejeda]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen and Sulfur deposition in the México City air basin: impacts on forests nutrient status and nitrate levels in drainage waters]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Tejeda]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Urban air pollution and forests. Resources at risk in the México City air basin]]></source>
<year>2002</year>
<page-range>298-319</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[SpringerVerlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Perea-Estrada]]></surname>
<given-names><![CDATA[V. M.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Suárez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Parker]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cetina-Alcalá]]></surname>
<given-names><![CDATA[V. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nutrient status and plant growth effects of forest soils in the Basin of México]]></article-title>
<source><![CDATA[Environ. pollut.]]></source>
<year>2006</year>
<volume>140</volume>
<page-range>187-99</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Huntington]]></surname>
<given-names><![CDATA[T. G.]]></given-names>
</name>
<name>
<surname><![CDATA[McLaughlin]]></surname>
<given-names><![CDATA[S. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Eagar]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[R. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Status of soil acidification in North America]]></article-title>
<source><![CDATA[J. For.]]></source>
<year>2006</year>
<volume>52</volume>
<page-range>3-13</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Poth]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Monitoring nitrogen deposition in throughfall using ion exchange resin columns: a field test in the San Bernardino mountains]]></article-title>
<source><![CDATA[J. Environ. Qual.]]></source>
<year>2004</year>
<volume>33</volume>
<page-range>2007-14</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[FitzPatrick]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Suelos: su formación, clasificación y distribución]]></source>
<year>1987</year>
<edition>3</edition>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[CECSA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<collab>Organization of the United Nations Food and Agriculture Organization (FAO)</collab>
<source><![CDATA[The soil map of the world]]></source>
<year>1988</year>
<publisher-name><![CDATA[FAO-UNESCO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<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[Modificación al sistema climático de Köeppen]]></source>
<year>1987</year>
<edition>4</edition>
<publisher-name><![CDATA[Instituto de Geografía. Universidad Nacional Autónoma de México (UNAM)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hamburg]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[T. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Throughfall chemistry of an ecotonal forest on the edge of the great plains]]></article-title>
<source><![CDATA[Can. J. For. Res.]]></source>
<year>1998</year>
<volume>28</volume>
<page-range>1456-63</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Beltrán]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis químico de suelos]]></source>
<year>1976</year>
<publisher-loc><![CDATA[Barcelona, España ]]></publisher-loc>
<publisher-name><![CDATA[Omega]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kurczynska]]></surname>
<given-names><![CDATA[E. U.]]></given-names>
</name>
<name>
<surname><![CDATA[Dmuchowski]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Wloch]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Bytnerowicz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The influence of air pollutants. On Needless and stems of Scots pine (Pinus sylvestris L.) tress]]></article-title>
<source><![CDATA[Environ. pollut.]]></source>
<year>1997</year>
<volume>98</volume>
<page-range>325-34</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[T. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hamburg]]></surname>
<given-names><![CDATA[S. P.]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hsia]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Throughfall patterns in a subtropical rain forest of Northeastern Taiwan]]></article-title>
<source><![CDATA[J. Environ. Qual.]]></source>
<year>2000</year>
<volume>29</volume>
<page-range>1186-93</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Littell]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Milliken]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Walter]]></surname>
<given-names><![CDATA[W. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Russell]]></surname>
<given-names><![CDATA[D. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[SAS System for mixed models]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Cary, N. C. ]]></publisher-loc>
<publisher-name><![CDATA[SAS Institute Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[L. M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación del estado nutrimental de Abies religiosa en el Desierto de los Leones, D. F.]]></source>
<year>1993</year>
<publisher-loc><![CDATA[Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[L. M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[R. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Cetina]]></surname>
<given-names><![CDATA[A. V. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estado nutrimental de Abies religiosa en un área con problemas de contaminación ambiental]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>1998</year>
<volume>32</volume>
<page-range>53-9</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[L. M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efectos del ambiente aéreo y del suelo sobre el desarrollo de síntomas de declinación de Oyamel]]></article-title>
<source><![CDATA[Terra]]></source>
<year>1997</year>
<volume>15</volume>
<page-range>287-93</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marín]]></surname>
<given-names><![CDATA[L. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Escolero-Fuentes]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Trinidad-Santos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physical geography, hydrology, and forest soils of the basin of México]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[de Bauer]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Tejeda]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Urban air pollution and forests. Resources at risk in the México City air basin]]></source>
<year>2002</year>
<page-range>44-67</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marschner]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mineral nutrition of higher plants]]></source>
<year>1990</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neary]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gizyn]]></surname>
<given-names><![CDATA[W. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Throughfall and stemflow chemistry under deciduous and coniferous forest canopies in south-central Ontario]]></article-title>
<source><![CDATA[Can. J. For. Res.]]></source>
<year>1994</year>
<volume>24</volume>
<page-range>1089-100</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Suárez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cetina-Alcalá]]></surname>
<given-names><![CDATA[V. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aldrete]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Landois-Palencia]]></surname>
<given-names><![CDATA[L. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Química de la precipitación pluvial en dos bosques de la cuenca de la Ciudad de México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2006</year>
<volume>40</volume>
<page-range>239-48</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Suárez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fenn]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cetina-Alcalá]]></surname>
<given-names><![CDATA[V. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aldrete]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effects of canopy cover on throughfall and soil chemistry in two forest sites in the México City air basin]]></article-title>
<source><![CDATA[Atmósfera]]></source>
<year>2008</year>
<volume>1</volume>
<page-range>83-100</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rey]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio de suelos de la estación de enseñanza, investigación y servicios forestales de Zoquiapan]]></source>
<year>1975</year>
<publisher-name><![CDATA[Universidad Autónoma Chapingo (UACH)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Suppo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fertilizantes: nutrición vegetal]]></source>
<year>1996</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[AGT]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez&#8208;Guerrero]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Doane]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Horwath]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotopic and nutritional evidence for species&#8208;and site&#8208;specific responses to N deposition and elevated CO2 in temperate forests]]></article-title>
<source><![CDATA[Geophys. Res.: Biogeosciences]]></source>
<year>2015</year>
<volume>120</volume>
<page-range>1110-23</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saavedra]]></surname>
<given-names><![CDATA[R. L. d. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Desordenes nutrimentales en rodales de Abies religiosa (HBK.) Schltdl. et Cham., del Desierto de los Leones, D. F.]]></source>
<year>2001</year>
<publisher-loc><![CDATA[Estado de México ]]></publisher-loc>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saavedra]]></surname>
<given-names><![CDATA[R. L. de L.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[T. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la Precipitación pluvial en bosques de Abies religiosa (HBK.) Schltdl. et Cham., en el sur de la Ciudad de México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2003</year>
<volume>37</volume>
<page-range>57-64</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Whelan]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanger]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial patterns of throughfall and mineral ion deposition in a lowland Norway Spruce (Picea Abies) Plantation at the plot scale]]></article-title>
<source><![CDATA[Atmos. Environ.]]></source>
<year>1998</year>
<volume>32</volume>
<page-range>3493-501</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Whytemare]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Edmonds]]></surname>
<given-names><![CDATA[L. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Aber]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Lejtha]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of excess nitrogen deposition on a white spruce (Picea glauca) stand in southern Alaska]]></article-title>
<source><![CDATA[Biogeochemistry]]></source>
<year>1997</year>
<volume>38</volume>
<page-range>173-87</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
