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Abstract: Santa Marta cave, Chiapas, is a unique archaeological site with high-resolution chronological control and continuous human occupation since 12500 cal BP. In this work we report a correlation between human activity and climate conditions inferred from sediment
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Abstract: Archaeological ceramics, like other technofossils, are such an important part of the record of pre-Hispanic human impacts in southern Mexico and Central America, that they provide a measure by which we can try to define the Early Anthropocene on the continent
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Abstract: Human activities have changed and shaped landscape conditions of the Yucatán Peninsula for more than 4000 years. Several paleoecological studies showed the oldest pollen record of corn-based agriculture is from northern Belize, with an estimated age of 3300 B
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Abstract: To understand human occupation in the context of paleoecological records from the Maya region, there is need to explore the distribution of modern pollen along climate and human-impact gradients. In this study, we analyze the responses of pollen assemblages f
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Abstract: The term Anthropocene has been suggested to describe the epoch in which changes in Earth systems can be clearly attributable to human activities. The oasis ecosystems of the Baja California Peninsula provide a good example of the transformations that human ac
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Resumen: El uso inadecuado de sustancias químicas como los herbicidas, así como las prácticas de manejo agrícola, son sólo algunas de las actividades humanas que han provocado el deterioro del recurso suelo durante el Antropoceno. La atrazina es el herbicida más utili
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Abstract: A paleolimnological and environmental reconstruction of the volcanic Lake Boquete, in the northern highlands of Panama, was produced based on diatom, sediment, and charcoal analyses. The main aim of this study is to contribute to the understanding of the long
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Abstract: We review the main effects of sea level rise, salinity changes, and human disturbances on mangrove forest dynamics. The effects of these drivers on mangrove communities are evaluated at centennial time scales in the light of six palynological records from the
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Resumen: Se analiza la época propuesta de Antropoceno relacionada con el control de geosistemas por actividades humanas con base en estudios ambientales vs. condiciones antrópicas del desarrollo del suelo en terrazas agrícolas (conocido localmente como lamabordos) en
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Abstract: Laguna Las Vizcachas is a remote lake located in the southern Patagonian steppe east of the Andes, in a key area to study the effects of the climate, especially the mode and intensity of the mid-latitude westerlies which are the dominant climate drivers in th
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Abstract: Major radiation events amongst a range of phytoplanktonic and zooplanktonic microbiota such as calcareous nannofossils, calpionellids, diatoms, dinoflagellates, planktonic foraminifera and radiolarians are characteristic of the time interval between the Late
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Resumen: Se reporta el registro más austral de Bison latifrons para América del Norte. El registro procede de una nueva localidad fosilífera en el municipio de San Dionisio Ocotepec, localizado en los Valles Centrales de Oaxaca. La fauna asociada incluye a Mammuthus c
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Abstract: Understanding the origin of the diversity in Central American forests requires the integration of both extant and fossil taxa. Here, we provide a description of Humiriaceae fossils from two new sedimentary sequences in the Azuero Peninsula, Panamá. Fossils we
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Resumen: Como aproximación preliminar al estudio detallado de concentraciones fosilíferas en el Jurásico Superior de México, se analizan las registradas en una sucesión de 410 cm de espesor de la Formación La Caja, perteneciente al Kimmeridgiano tardío, la cual aflora
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