Results 51 to 60 of about 5,655 (83)
Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto +3 more
wiley +1 more source
Volcán Colima is currently one of the most dangerous volcanoes in Mexico. It presents hazards at various scales. It has a history of frequent eruptions during the past 450 years, for which there are written records. To better understand the nature of the
Ana Lilian Martin del Pozzo
doaj +1 more source
Unfused transverse foramen of the atlas vertebra in the Neandertal lineage fossils
Abstract In anatomically modern humans, the atlas can display an unfused transverse foramen (UTF) but currently the presence of UTF in the Neandertal lineage is uncertain due to a scarcity of prevalence studies and no exhaustive record of its presence throughout the entire hominin fossil record.
Asier Gómez‐Olivencia +5 more
wiley +1 more source
ABSTRACT Paralic depositional systems are complex and heterogeneous sedimentary environments, presenting challenges for predicting reservoir architecture and connectivity. Their stratigraphic and facies variability arises from the dynamic interplay between fluvial, tidal and wave processes, and their sensitivity to sea‐level fluctuations, sediment ...
Luis Miguel Yeste +4 more
wiley +1 more source
El estudio de los flujos aluvionales ocurridos en la quebrada Jicamarca se realizó con la finalidad de diseñar e implementar un Sistema de Alerta Temprana (SAT) basado en el cartografiado geológico y geodinámico de los depósitos y materiales encontrados ...
Cristhian Chiroque, Héctor Lavado
doaj +1 more source
Marine Functional Connectivity Contributes to Ecosystem Functioning Across Multiple Scales
ABSTRACT The passive transport and active movements of marine organisms between habitats and ecosystems, known as marine functional connectivity, play a critical role in the functioning of marine ecosystems. However, marine functional connectivity, particularly at large spatial scales, is often understudied, and consequently tends to be overlooked in ...
Lucía López‐López +23 more
wiley +1 more source
Aplicación de las nuevas tecnologías a la enseñanza de la Geología
En este trabajo se presentan nuevas estrategias y metodologías de enseñanza y aprendizaje, y tareas de los estudiantes implementadas en asignaturas relacionadas con la Geología de la E.T.S.I. Minas de Madrid. El principal objetivo es acercar los aspectos
José Eugenio Ortiz +3 more
doaj +1 more source
Delineation of Flow Components in a Tropical Region With Carbonate Rocks of Southeastern Mexico
Hydrochemistry and statistical methods help to delimit the flow components in carbonate rocks with marine intrusion. ABSTRACT This study analyses groundwater flow systems in a tropical karst aquifer of the Yucatán Peninsula, Mexico, where population growth and tourism are concerns due to increasing urbanisation.
Castro‐Zarate Martha Edith +9 more
wiley +1 more source
Orbital Control of Reticulofenestra (Calcareous Nannofossils) Assemblages During the Early Pliocene
Abstract Orbital changes have shaped Earth's climate system and influenced the evolution and spatial distribution of marine plankton, including coccolithophores. Some studies have assessed eccentricity's impact on the diversity and morphological evolution of Noelaerhabdaceae taxa during the Quaternary.
Laura Martín‐García +8 more
wiley +1 more source
Abstract The Coastal Cordillera of northern Chile, in the forearc of the Andean subduction zone, provides an ideal site to evaluate exhumation above the oldest active subduction under extreme aridity. This range lies parallel to a sediment‐starved trench, has experienced hyperaridity since the Miocene, and is transected by the ∼1,000‐km‐long Atacama ...
T. F. Aránguiz‐Rago +2 more
wiley +1 more source

