2007
DOI: 10.18268/bsgm2007v59n2a5
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Degradación ambiental en el valle Teotihuacan: evidencias geológicas y paleopedológicas

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Cited by 26 publications
(50 citation statements)
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“…In general, the isotopic signatures reported here indicate changes in relative proportions of C3 and C4-CAMS plants, suggesting variability in the response of vegetation to local conditions, with a predominance of C4 plants in soil organic matter. The chronological framework for such changes is difficult to reconstruct in the Teotihuacan Valley due to notable inversions in the 14 C dates (McClung de Tapia et al, 2005;Rivera-Uria et al, 2007, SolleiroRebolledo et al, 2011. The problems associated with interpretation of radiocarbon dates obtained from SOM in bulk sediment samples have been discussed elsewhere (McClung de Tapia et al, 2005).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In general, the isotopic signatures reported here indicate changes in relative proportions of C3 and C4-CAMS plants, suggesting variability in the response of vegetation to local conditions, with a predominance of C4 plants in soil organic matter. The chronological framework for such changes is difficult to reconstruct in the Teotihuacan Valley due to notable inversions in the 14 C dates (McClung de Tapia et al, 2005;Rivera-Uria et al, 2007, SolleiroRebolledo et al, 2011. The problems associated with interpretation of radiocarbon dates obtained from SOM in bulk sediment samples have been discussed elsewhere (McClung de Tapia et al, 2005).…”
Section: Discussionmentioning
confidence: 99%
“…In the present study, we selected two sites (Tlajinga and Otumba) with complementary prehispanic ceramic evidence (Pérez-Pérez, 2003) that allowed us to postulate the approximate time period during which the selected horizons were exposed in spite of seemingly incongruous radiocarbon dates. The third site, San Pablo, provided several in situ charcoal specimens (Rivera-Uria et al, 2007;Solleiro-Rebolledo et al, 2011;this work), the radiocarbon dates of which provide a basis for correlating the horizons with Tlajinga and Otumba. Although δ…”
Section: Stable Carbon Isotopes and Vegetation Reconstruction In Teotmentioning
confidence: 99%
“…Asimismo, se ha documentado el deterioro del paisaje, por la construcción del centro ceremonial de Teotihuacán, el cual implicó la remoción de grandes cantidades de materiales, como árboles, rocas, sedimentos y suelos agrícolas, estos últimos usados en el interior de las pirámides (Barba, 2005;Rivera-Uria et al, 2007;Sánchez et al, 2013).…”
Section: Impacto Humano En Teotihuacánunclassified
“…A nivel microscópico, los horizontes A analizados, del PNSP, tienen un conjunto de características, similares a las establecidas anteriormente en el perfil San Pablo (Rivera-Uria et al, 2007;Sedov et al, 2009;Sánchez et al, 2013). Particularmente destaca la pigmentación obscura de la matriz, la presencia de componentes finos y una microestructura en forma de bloques angulares muy compactos, formados por fracturas de configuración vértica.…”
Section: Micromorfología De Los Horizontes a De Color Oscurounclassified
“…Los suelos analizados en esta investigación han sido estudiados previamente por otros autores en estudios paleoambientales mediante diversas técnicas (CabadasBáez, 2004(CabadasBáez, , 2007Gama-Castro et al, 2005a, 2005bLounejeva Baturina et al, 2007a, 2007bSolleiro-Rebolledo et al, 2006, y en estudios geoarqueológicos (McClung de Tapia et al, 2003, 2005Rivera-Uria et al, 2007;RiveraUria, 2008). Se seleccionaron seis perfiles distribuidos a lo largo de una toposecuencia de aproximadamente 10 km, con dirección NW-SE (Figura 2, Tabla 1).…”
Section: áRea De Estudiounclassified