<?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>S0187-57792016000100073</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Strategies to reducing GHG emissions in semi-arid rangelands of Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Estrategias para reducir las emisiones de GEI en agostaderos semiáridos de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Solís]]></surname>
<given-names><![CDATA[Heriberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Teague]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paz Pellat]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bolaños González]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Recursos Naturales ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Texas A&M University Department of Wildlife and Fisheries Sciences Ecological Systems Laboratory]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Texas A&M University Department of Ecosystem Science and Management ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Texas A&M University System. Texas AgriLife Research ]]></institution>
<addr-line><![CDATA[Vernon TX]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Colegio de Postgraduados Grupo de Gestión de Riesgos y Recursos Naturales Asistida por Sensores Remotos ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Programa Mexicano del Carbono  ]]></institution>
<addr-line><![CDATA[Texcoco ]]></addr-line>
<country>Mexico</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>34</volume>
<numero>1</numero>
<fpage>73</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792016000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792016000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792016000100073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: SESS (Simple Ecological Sustainability Simulator) model was modified to evaluate 3 management strategies that could increase CO2 sequestration and reduce methane emissions in cow-calf production systems in semi-arid rangelands. The management strategies included (1) maintenance of a high and constant stocking rate (CONTROL), which is the most common current practice, (2) maintenance of a low and constant stocking rate (LOW SR) and (3) adjustment of stocking rate before the beginning of each breeding season based on the amount of precipitation during the previous growing season (REPLA-PPT). The model was parameterized to represent a typical extensive (5 000 ha) cow-calf production system in the northeastern portion of the Mexican state of Coahuila under an historical (1950 to 1994) precipitation regime, and compared carbon sequestration, methane emissions, animal performance and net profit resulting from each strategy. Results of the 45-year simulations indicated the REPLA-PPT stocking rate strategy had the greatest improvement of range condition, captured more CO2 in vegetation, had the lowest methane emissions, substantially improved mean body condition score and reduced annual mortality of cattle, compared to the constant stocking rate strategies. REPLA-PPT also showed the highest values for calves weaned, and kg weaned per ton of methane produced and highest long-term net profit. This suggests that adaptive management of extensive cow-calf production systems in semi-arid environments could increase carbon sequestration in soils and reduce methane emissions, while improving range production, maintaining animal production and giving the greatest long-term net profit.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El modelo SESS (Simple Ecological Sustainability Simulator) fue modificado para evaluar tres estrategias de manejo que pudieran incrementar el secuestro de CO2 en los suelos y reducir las emisiones de metano en sistemas vaca-becerro en agostaderos semiáridos. Las estrategias de manejo incluyeron: (1) mantenimiento de carga animales altas y constantes (CONTROL), las cuales son muy comunes en las prácticas actuales, (2) mantenimiento de capacidades de carga bajas y constantes (LOW SR) y (3) ajuste de la capacidad de carga antes del inicio de cada temporada de empadre en función de la cantidad de precipitación de la temporada previa (REPLA-PPT). El modelo fue parametrizado para representar un sistema de producción extensivo típico (5000 ha) de producción vaca-becerro en la parte noroeste de Coahuila, México usando un régimen de precipitación histórico (1950 a 1994) para comparar el secuestro de carbono, las emisiones de metano, el funcionamiento animal y las ganancias netas de cada estrategia. Los resultados de 45 años de simulaciones mostraron que la estrategia de ajuste de carga animal REPLA-PPT tuvo el mejor desempeño en la condición del agostadero, captura más CO2 en la vegetación y tuvo las emisiones de metano más bajas, mejorando substancialmente la condición corporal promedio de los animales, además de tener una tasa reducida de mortalidad del ganado, comparado con las estrategias de mantener una capacidad de carga constante. REPLA-PPT también mostro los valores más altos de becerros producidos y kilogramos producidos por tonelada de metano generada y, las mayores ganancias de largo plazo. Esto sugiere que el manejo adaptativo de sistemas de producción extensivos vaca-becerro en ambientes semiáridos pudieran incrementar el secuestro de carbono en los suelos y reducir las emisiones de metano y, a la vez, mejorar la producción de los agostaderos y mantener la producción animal, generando las mejores ganancias a largo plazo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[cattle production]]></kwd>
<kwd lng="en"><![CDATA[CO2 sequestration]]></kwd>
<kwd lng="en"><![CDATA[methane emissions]]></kwd>
<kwd lng="en"><![CDATA[simulation model.]]></kwd>
<kwd lng="es"><![CDATA[producción de ganado]]></kwd>
<kwd lng="es"><![CDATA[secuestro de CO2]]></kwd>
<kwd lng="es"><![CDATA[emisiones de metano]]></kwd>
<kwd lng="es"><![CDATA[modelo de simulación]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<collab>AGROASEMEX</collab>
<source><![CDATA[Aseguradora Agropecuaria Mexicana]]></source>
<year>2006</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Behnke]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Scoones]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rethinking range ecology: Implications for rangeland management in Africa]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Behnke]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Scoones]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Kerven]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Range ecology at disequilibrium]]></source>
<year>1993</year>
<page-range>1-30</page-range><publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Overseas Development Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A forage dynamics model for use in range and pasture environments]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blackburn]]></surname>
<given-names><![CDATA[H. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Grass For. Sci.]]></source>
<year>1989</year>
<volume>44</volume>
<page-range>283-94</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Modeling diet selection and intake for grazing herbivores]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blackburn]]></surname>
<given-names><![CDATA[H. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Model.]]></source>
<year>1991</year>
<volume>57</volume>
<page-range>145-63</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<collab>COTECOCA</collab>
<source><![CDATA[Coahuila. Tipos de vegetación, sitios de productividad forrajera y coeficientes de agostadero]]></source>
<year>1979</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Secretaria de Recursos Hidráulicos. Comisión Técnico Consultiva para la Determinación Regional de los Coeficientes de Agostadero]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Methane emissions of beef cattle on forages: efficiency of grazing management systems]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Ramus]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Clement]]></surname>
<given-names><![CDATA[T. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Giampola]]></surname>
<given-names><![CDATA[D. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Dickinson]]></surname>
<given-names><![CDATA[P. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Environ. Qual.]]></source>
<year>2003</year>
<volume>32</volume>
<page-range>269-77</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Cattle population dynamics in the southern Ethiopian rangelands, 1980-97]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Desta]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Coppock]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Range Manage.]]></source>
<year>2002</year>
<volume>55</volume>
<page-range>439-51</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A Simple Ecological Sustainability Simulator (SESS) for Stocking Rate Management on Semi-arid Grazinglands]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz-Solís]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hamilton]]></surname>
<given-names><![CDATA[W. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Syst.]]></source>
<year>2003</year>
<volume>76</volume>
<page-range>655-80</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Application of a simple ecological sustainability simulator (SESS) as a management tool in the semi-arid rangelands of northeastern Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz-Solís]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Luna-Villarreal]]></surname>
<given-names><![CDATA[R. de]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Syst.]]></source>
<year>2006</year>
<volume>88</volume>
<page-range>514-27</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Adaptive management of stocking rates to reduce effects of drought on cow calf production systems in semi-arid rangelands]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz-Solís]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Teague]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-García]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Syst.]]></source>
<year>2009</year>
<volume>100</volume>
<page-range>43-50</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Methane emissions from cattle in México: Methodology and mitigation issues]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruíz-Suárez]]></surname>
<given-names><![CDATA[L. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Interciencia]]></source>
<year>1995</year>
<volume>20</volume>
<page-range>370-2</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Evaluation of strategies for tracking climatic variation in semi-arid grazing systems]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Illius]]></surname>
<given-names><![CDATA[A. W]]></given-names>
</name>
<name>
<surname><![CDATA[Derry]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Gordon]]></surname>
<given-names><![CDATA[I. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agric. Syst.]]></source>
<year>1998</year>
<volume>57</volume>
<page-range>381-98</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="confpro">
<collab>INE</collab>
<collab>SEMARNAT</collab>
<source><![CDATA[]]></source>
<year>2006</year>
<conf-name><![CDATA[ TerceraComunicación Nacional ante la Convención Marco de las Naciones Unidas sobre el Cambio Climático]]></conf-name>
<conf-loc>D. F., México </conf-loc>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="confpro">
<collab>INE</collab>
<collab>SEMARNAT</collab>
<source><![CDATA[]]></source>
<year>2009</year>
<conf-name><![CDATA[ CuartaComunicación Nacional ante la Convención Marco de las Naciones Unidas sobre el Cambio Climático]]></conf-name>
<conf-loc>D. F., México </conf-loc>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="confpro">
<collab>INE</collab>
<collab>SEMARNAT</collab>
<source><![CDATA[]]></source>
<year>2012</year>
<conf-name><![CDATA[ QuintaComunicación Nacional ante la Convención Marco de las Naciones Unidas sobre el Cambio Climático]]></conf-name>
<conf-loc>D. F., México </conf-loc>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="confpro">
<collab>INECC</collab>
<collab>SEMARNAT</collab>
<source><![CDATA[]]></source>
<year>2015</year>
<conf-name><![CDATA[ PrimerInforme Bienal de Actualización ante la Convención Marco de las Naciones Unidas sobre el Cambio Climático]]></conf-name>
<conf-loc>D. F., México </conf-loc>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Penman]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gytarsky]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hiraishi]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Krug]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Kruger]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Pipatti]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Buendia]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Miwa]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Ngara]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Tanabe]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Intergubernamental Panel on Climate Change. Good practice guidance for land use, land-use change and forestry]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Japan ]]></publisher-loc>
<publisher-name><![CDATA[Institute for Global Environmental Strategies]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Rain use efficiency: A unifying concept in arid-land ecology]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Le Houreou]]></surname>
<given-names><![CDATA[H. N.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Arid Environ.]]></source>
<year>1984</year>
<volume>7</volume>
<page-range>213-47</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<collab>NRC</collab>
<source><![CDATA[Nutrient requirements of beef cattle]]></source>
<year>2000</year>
<edition>Seventh</edition>
<publisher-name><![CDATA[National Academy of Sciences]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Greenhouse gas production from dairying: Reducing methane production]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&#8217;Mara]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Adv. Dairy Technol]]></source>
<year>2004</year>
<volume>16</volume>
<page-range>295&#8209;309</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The effect of multiple droughts on cattle in Obbu, Northern Kenya]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oba]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Arid Environ.]]></source>
<year>2001</year>
<volume>49</volume>
<page-range>375-86</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Paz]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bolaños]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cano]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zarco]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pascual]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design of a country scale livestock insurance in grasslands using AVHRR sensor]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Sobrino]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Recent Advances in Quantitative Remote Sensing]]></source>
<year>2006</year>
<page-range>683-5</page-range><publisher-loc><![CDATA[Valencia, Spain ]]></publisher-loc>
<publisher-name><![CDATA[Universitat de Valencia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Design of a vegetation spectral index: NDVIcp]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Paz]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bolaños]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mejía]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Huete]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agrociencia]]></source>
<year>2007</year>
<volume>41</volume>
<page-range>539-54</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Model projections of an imminent transition to a more arid climate in southwestern North America]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Seager]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mingfang]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Held]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Kushnir]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vecchi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[H. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Harnik]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Leetmaa]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lau]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Ch.]]></given-names>
</name>
<name>
<surname><![CDATA[Velez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Naik]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Science]]></source>
<year>2007</year>
<numero>316</numero>
<issue>316</issue>
<page-range>1181-4</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[An ecological economic simulation model for assessing fire and grazing management ef fects on mesquite rangelands in Texas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Teague]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Kreuter]]></surname>
<given-names><![CDATA[U. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Solis]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Dube]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pinchak]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ansley]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecological Economics]]></source>
<year>2008</year>
<volume>64</volume>
<page-range>612-25</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Economic implications of maintaining rangeland ecosystem health in a semi-arid savanna]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Teague]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Kreuter]]></surname>
<given-names><![CDATA[U. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Grant]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Solis]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kothmann]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Econ.]]></source>
<year>2009</year>
<volume>68</volume>
<page-range>1417-29</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Herbivore regulation and irreversible vegetation change in semi-arid grazing systems]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van de Koppel]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rietkerk]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Oikos]]></source>
<year>2000</year>
<volume>90</volume>
<page-range>253-60</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Carbon management response curves: Estimates of temporal soil carbon dynamics]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[West]]></surname>
<given-names><![CDATA[T. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Marland]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[A. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Post]]></surname>
<given-names><![CDATA[W. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jain]]></surname>
<given-names><![CDATA[A. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Andrasko]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Manage.]]></source>
<year>2004</year>
<volume>33</volume>
<page-range>507-18</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The biomass and productivity of Glyceria maxima: I. Seasonal changes in biomass]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Westlake]]></surname>
<given-names><![CDATA[D. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ecol]]></source>
<year>1966</year>
<volume>54</volume>
<page-range>745-53</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
