<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792020000500781</article-id>
<article-id pub-id-type="doi">10.28940/terra.v38i4.421</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Indicadores de calidad de suelos en bosques templados de la Reserva de la Biosfera los Volcanes, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Soil quality indicators in temperate forests of the Volcanoes Biosphere Reserve, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Flores]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra-Hernández]]></surname>
<given-names><![CDATA[Eloisa A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valderrábano-Gómez]]></surname>
<given-names><![CDATA[Juan M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campo-Alves]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México FES Zaragoza Edafología y Fisiología de la Nutrición Vegetal, UMIEZ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Ecología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>38</volume>
<numero>4</numero>
<fpage>781</fpage>
<lpage>793</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792020000500781&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792020000500781&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792020000500781&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La degradación y erosión edáfica por cambios de uso suelo, disminuyen los contenidos de carbono y su calidad. Con el objetivo de identificar y reconocer los mejores indicadores de calidad edáfica y de relacionarla con sus contenidos de carbono orgánico, se realizó esta investigación en bosques de la Reserva de la Biósfera los Volcanes. Se seleccionaron 26 sitios distribuidos entre 2600 y 3800 m de altitud colectando muestras de suelo de 0 a -0.2 m para análisis físicos y químicos y entre 0 a -0.1 m para bioquímicos y biológicos. Los resultados mostraron como excelentes indicadores parciales para evaluar calidad del suelo (IpCS) al pH, porcentaje de arena; contenido gravimétrico de agua, carbono orgánico, Ca+2 y K+ intercambiables; carbono de biomasa microbiana y actividad fosfatasa ácida y presencia/abundancia de bacterias y algas. Con estos IpCS, se determinó aditiva y conmutativamente, calidad total del suelo (CSTsum y CSTmul) cuyas tendencias fueron similares, aunque el modelo aditivo, muestra mejor que bosques afectados y vegetación secundaria (2600 y 2700 m) tienen menor calidad edáfica, mientras que en la franja media (3000-3300 m) con bosques de Abies y mixto Abies-Pino, los suelos tuvieron mayores contenidos de carbono orgánico y altas CSTsum y CSTmul.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Soil degradation and erosion decrease carbon content and soil quality due to changes in land use. In order to identify and recognize the best soil quality indicators and relate them to organic carbon content, this research was carried out in forests of the Volcanoes Biosphere Reserve. Twenty-six sites distributed from 2600 to 3800 m.a.s.l. were selected by collecting soil samples from 0 to -0.2 m for physical and chemical analyses and from 0 to -0.1 m for biochemical and biological analyses. The results showed pH, sand percentage; gravimetric water contents; organic carbon; exchangeable Ca+2 and K+; carbon microbial biomass; acid phosphatase activity; and presence/abundance of bacteria and algae as excellent partial indicators for evaluating soil quality (IpCS). With IpCS, total soil quality (CSTsum and CSTmul) was determined additively and commutatively showing similar tendencies; however, the additive model was better in showin that affected forests and secondary vegetation (2600 and 2700 m) have lower soil quality, while in middle and high fringe (3000-3300 m) with Abies forests and Abies-Pine mixed forests, soils had higher organic carbon content and high CSTsum and CSTmul values.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[áreas naturales protegidas]]></kwd>
<kwd lng="es"><![CDATA[bosques de coníferas]]></kwd>
<kwd lng="es"><![CDATA[ecosistemas de montaña alta]]></kwd>
<kwd lng="en"><![CDATA[protected natural areas]]></kwd>
<kwd lng="en"><![CDATA[coniferous forests]]></kwd>
<kwd lng="en"><![CDATA[high mountain ecosystems]]></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[Acevedo-Sandoval]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Prieto-García]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Gordillo-Martínez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Identificar las fracciones de aluminio en un Andosol del estado de Hidalgo, México]]></article-title>
<source><![CDATA[Rev. Soc. Geol. Esp]]></source>
<year>2008</year>
<numero>21</numero>
<issue>21</issue>
<page-range>125&#8209;132</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Armenise]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Redmile-Gordon]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Stellacci]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ciccarese]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rubino]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Developing a soil quality index to compare soil &#64257;tness for agricultural use under different managements in the Mediterranean environment]]></article-title>
<source><![CDATA[Soil Tillage Res]]></source>
<year>2013</year>
<numero>130</numero>
<issue>130</issue>
<page-range>91-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arriaga]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Espinoza]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Loa]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Regiones Terrestres prioritarias de México]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Atlas]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bartha]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Atlas]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microbial ecology: Fundamentals and applications]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Menlo Park, CA, USA ]]></publisher-loc>
<publisher-name><![CDATA[Benjamin]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baar]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Roel]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distribution of plants species in relation to pH of soil and water]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Rengel]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of plant growth. pH as the master variable]]></source>
<year>2002</year>
<page-range>405-25</page-range><publisher-loc><![CDATA[New York, NY, USA ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bautista-Cruz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Etchevers-Barra]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[del Castillo]]></surname>
<given-names><![CDATA[R. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La calidad del suelo y sus indicadores.]]></article-title>
<source><![CDATA[Ecosistemas]]></source>
<year>2004</year>
<numero>13</numero>
<issue>13</issue>
<page-range>90-7</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bai]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Qi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[Ch.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of different management approaches on the stoichiometric characteristics of soil C, N, and P in a mature Chinese fir plantation]]></article-title>
<source><![CDATA[Sci. Total Environ]]></source>
<year>2020</year>
<numero>723</numero>
<issue>723</issue>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Becerra E.]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[De Parque Nacional a Reserva de la Biosfera. Historia biocultural de la Sierra Nevada de México]]></source>
<year>2018</year>
<publisher-name><![CDATA[Editorial Académica Española]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bijayalaxmi-Devi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Yadava]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seasonal dynamics in soil microbial biomass C, N and P in a mixed-oak forest ecosystem of Manipur, North-east India]]></article-title>
<source><![CDATA[Appl. Soil Ecol]]></source>
<year>2006</year>
<numero>31</numero>
<issue>31</issue>
<page-range>220-7</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chan]]></surname>
<given-names><![CDATA[K. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Bowman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Oates]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oxidizable organic carbon fractions and soil quality changes in an oxic paleustalf under different pasture ley]]></article-title>
<source><![CDATA[Soil Sci]]></source>
<year>2001</year>
<numero>166</numero>
<issue>166</issue>
<page-range>61-7</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delelegn]]></surname>
<given-names><![CDATA[Y. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Purahong]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Blazevic]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Yitaferu]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Wubet]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Göransson]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Godbold]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Changes in the land use alter soil quality and aggregate stability in the highlands of northern Ethiopia]]></article-title>
<source><![CDATA[Sci. Rep]]></source>
<year>2017</year>
<volume>7</volume>
<numero>13602</numero>
<issue>13602</issue>
<page-range>1-12</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Doran]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Parkin]]></surname>
<given-names><![CDATA[T. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Defining and assessing soil quality]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Doran]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Coleman]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bezdicek]]></surname>
<given-names><![CDATA[D. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Defining soil quality for a sustainable environment]]></source>
<year>1994</year>
<page-range>1-21</page-range><publisher-loc><![CDATA[Madison, Wi, USA ]]></publisher-loc>
<publisher-name><![CDATA[SSSA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Epron]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Farque]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lucot]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Badot]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil CO2 efflux in a beech forest: Dependence on soil temperature and soil water content]]></article-title>
<source><![CDATA[Ann. For. Sci]]></source>
<year>1999</year>
<numero>56</numero>
<issue>56</issue>
<page-range>221-6</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferrari]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Orozco-Esquivel]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Manea]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Manea]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The dynamic history of the Trans-Mexican Volcanic Belt and the Mexico subduction zone]]></article-title>
<source><![CDATA[Tectonophysics]]></source>
<year>2012</year>
<numero>522-523</numero>
<issue>522-523</issue>
<page-range>122-49</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaia-Gomes]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Francelino]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Larangeira]]></surname>
<given-names><![CDATA[J. P. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physical and chemical attributes of soil on gully erosion in the Atlantic forest biome]]></article-title>
<source><![CDATA[Rev. Ambient. Agua]]></source>
<year>2020</year>
<numero>15</numero>
<issue>15</issue>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giacometti]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Demyan]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cavani]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Marzadori]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ciavatta]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Kandeler]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical and microbiological soil quality indicators and their potential to differentiate fertilization regimes in temperate agroecosystems]]></article-title>
<source><![CDATA[Appl. Soil Ecol]]></source>
<year>2013</year>
<numero>64</numero>
<issue>64</issue>
<page-range>32-48</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jassal]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Drewitt]]></surname>
<given-names><![CDATA[G. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Novak]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gaumont]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Nesic]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A model of the production and transport of CO2 in soil: Predicting soil CO2 concentrations and CO2 efflux from a forest floor]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2004</year>
<numero>124</numero>
<issue>124</issue>
<page-range>219-36</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Métodos multivariados aplicados al análisis de datos]]></source>
<year>2000</year>
<publisher-loc><![CDATA[México, D. F. ]]></publisher-loc>
<publisher-name><![CDATA[International Thomson Editores]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[K. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Joergensen]]></surname>
<given-names><![CDATA[R. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationships between P fractions and the microbial biomass in soils under different land use management]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2012</year>
<numero>173-174</numero>
<issue>173-174</issue>
<page-range>274-81</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kelting]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Burguer]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Patterson]]></surname>
<given-names><![CDATA[S. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Aust]]></surname>
<given-names><![CDATA[W. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Miwa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Trettin]]></surname>
<given-names><![CDATA[C. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil quality assessment in domesticated forests - a southern pine example]]></article-title>
<source><![CDATA[For. Ecol. Manage]]></source>
<year>1999</year>
<numero>122</numero>
<issue>122</issue>
<page-range>167-85</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development of biological soil quality indicator system for subtropical China]]></article-title>
<source><![CDATA[Soil Tillage Res]]></source>
<year>2013</year>
<numero>126</numero>
<issue>126</issue>
<page-range>112-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Margalef]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Sardans]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Martínez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Molowny-Horas]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Janssens]]></surname>
<given-names><![CDATA[I. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ciais]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Goll]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Richter]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Obersteiner]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Asensio]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Peñuelas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global patterns of phosphatase activity in natural soils]]></article-title>
<source><![CDATA[Sci. Rep]]></source>
<year>2017</year>
<numero>7</numero>
<issue>7</issue>
<page-range>1337</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miehlich]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Los suelos de Ia Sierra Nevada (Tomo descriptivo: tablas, graficas, descripciones de los perfiles, mapas)]]></source>
<year>1980</year>
<publisher-loc><![CDATA[Cleveland, OH, USA ]]></publisher-loc>
<publisher-name><![CDATA[Fundación Alemana para la Investigación Científica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Muñoz-Rojas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil quality indicators: critical tools in ecosystem restoration]]></article-title>
<source><![CDATA[Curr. Opin. Environ. Sci. Health]]></source>
<year>2018</year>
<numero>5</numero>
<issue>5</issue>
<page-range>47-52</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neina]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The role of soil pH in plant nutrition and soil remediation, review article]]></article-title>
<source><![CDATA[Appl. Environ. Soil Sci]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nguyen]]></surname>
<given-names><![CDATA[T. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Marschner]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil respiration, microbial biomass and nutrient availability in soil after addition of residues with adjusted N and P concentrations]]></article-title>
<source><![CDATA[Pedosphere]]></source>
<year>2017</year>
<numero>27</numero>
<issue>27</issue>
<page-range>76-85</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pennock]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[van Kessel]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clear-cut forest harvest impacts on soil quality indicators in the mixedwood forest of Saskatchewan, Canada]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>1997</year>
<numero>75</numero>
<issue>75</issue>
<page-range>13-32</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rabot]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Wiesmeier]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vogel]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil structure as an indicator of soil functions: A review]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>2018</year>
<numero>314</numero>
<issue>314</issue>
<page-range>122-37</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robertson]]></surname>
<given-names><![CDATA[G. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Coleman]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bledsoe]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sollins]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Standard soil methods for long-term ecological research]]></source>
<year>1999</year>
<publisher-loc><![CDATA[New York, NY, USA ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<collab>SEMARNAT (Secretaría del Medio Ambiente y Recursos Naturales)</collab>
<source><![CDATA[NOM-021-RECNAT-2000. Que establece las especificaciones de fertilidad, salinidad y clasificación de suelos. Estudios, muestreo y análisis]]></source>
<year>2002</year>
<publisher-loc><![CDATA[México, D. F ]]></publisher-loc>
<publisher-name><![CDATA[SEMARNAT]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Yao]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Bowman]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil microbial biomass, activity and nitrogen transformation in a turfgrass chronosequence]]></article-title>
<source><![CDATA[Soil Biol. Biochem]]></source>
<year>2006</year>
<numero>38</numero>
<issue>38</issue>
<page-range>311-9</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sun,]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil organic carbon as a function of land use and topography on the Loess Plateau of China]]></article-title>
<source><![CDATA[Ecol. Engin]]></source>
<year>2015</year>
<numero>83</numero>
<issue>83</issue>
<page-range>249-57</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tabatabai]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil enzymes]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Bottomley]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Angle]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Weaver]]></surname>
<given-names><![CDATA[R. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods of soil analysis. Part 2. Microbiological and biochemical properties]]></source>
<year>1994</year>
<page-range>775-883</page-range><publisher-loc><![CDATA[Madison, WS, USA ]]></publisher-loc>
<publisher-name><![CDATA[Wiley]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tamayo-Vélez]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
<name>
<surname><![CDATA[Osorio]]></surname>
<given-names><![CDATA[N. W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Soil fertility improvement by litter decomposition and inoculation with the fungus Mortierella sp. in avocado plantations of Colombia]]></article-title>
<source><![CDATA[Commun. Soil Sci. Plant Anal]]></source>
<year>2018</year>
<numero>49</numero>
<issue>49</issue>
<page-range>139-47</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thomazini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoca]]></surname>
<given-names><![CDATA[E. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cardoso]]></surname>
<given-names><![CDATA[I. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Garbin]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SOC dynamics and soil quality index of agroforestry systems in the Atlantic rainforest of Brazil]]></article-title>
<source><![CDATA[Geo. Reg]]></source>
<year>2015</year>
<numero>5</numero>
<issue>5</issue>
<page-range>15-24</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tobón]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Urquiza-Haas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Koleff]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Schröter]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Álvarez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Campo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Lindig-Cisneros]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sarukhán]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Restoration planning to guide Aichi targets in a megadiverse country]]></article-title>
<source><![CDATA[Conserv. Biol]]></source>
<year>2017</year>
<numero>31</numero>
<issue>31</issue>
<page-range>1086-97</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Watt]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Coker]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Clinton]]></surname>
<given-names><![CDATA[P. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Parfitt]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Simcock]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Garrett]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Payn]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Richardson]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Dunningham]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Defining sustainability of plantation forest through identification of site quality indicators influencing productivity - A national view for New Zealand]]></article-title>
<source><![CDATA[For. Ecol. Manage]]></source>
<year>2005</year>
<numero>216</numero>
<issue>216</issue>
<page-range>51-63</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
