Search Results - "Beraldi, Hugo"

Early life on land and the first terrestrial ecosystems by Beraldi-Campesi, Hugo

“…Terrestrial ecosystems have been largely regarded as plant-dominated land surfaces, with the earliest records appearing in the early Phanerozoic (<550 Ma). Yet…”
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Paleobotany to understand evolution and biodiversity in Mexico by Cevallos-Ferriz, Sergio R. S., Hernández-Damián, Ana Lilia, Beraldi-Campesi, Hugo, Ruvalcaba-Knoth, Marco Antonio, Huerta-Vergara, Alma Rosa

“…Paleobotany bears an invaluable source of knowledge for understanding the history of the biodiversity that we protect and care for today. This discipline is…”
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Bacterial diversity associated with mineral substrates and hot springs from caves and tunnels of the Naica Underground System (Chihuahua, Mexico) by Espino del Castillo, Adriana, Beraldi-Campesi, Hugo, Amador-Lemus, Patricia, Isaac Beltrán, Hiram, Le Borgne, Sylvie

“…The Naica Underground System (NUS) in Northern Mexico comprises a lead, zinc, and silver producing mine and displays the largest gypsum crystals ever found in…”
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Morphological and mineralogical characterization of speleothems from the Chimalacatepec lava tube system, Central Mexico by López-Martínez, Rafael, Barragán, Ricardo, Beraldi-Campesi, Hugo, Lánczos, Tomáš, Vidal-Romaní, Juan, Aubrecht, Roman, Bernal Uruchurtu, Juan, Pi Puig, Teresa, Espinasa-Pereña, Ramón

“…Siliceous, opal-A speleothems of the Chimalacatepec lava tube system in central Mexico are characterized here for the first time. Morphologically, they can be…”
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La vida temprana en la Tierra y los primeros ecosistemas terrestres by Beraldi Campesi, Hugo

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Benthic bacterial diversity from freshwater tufas of the Iberian Range (Spain) by Beraldi-Campesi, Hugo, Arenas-Abad, Concepción, Garcia-Pichel, Ferran, Arellano-Aguilar, Omar, Auqué, Luis, Vázquez-Urbez, Marta, Sancho, Carlos, Osácar, Cinta, Ruiz-Velasco, Silvia

“…Abstract Aiming to characterize the bacterial diversity of modern tufa systems of the Iberian Range (Spain), we surveyed the 16S rRNA gene sequence diversity…”
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Diversidad de microfósiles en la Formación Tarahumara, Sonora by Beraldi Campesi, Hugo, Cevallos Ferriz, Sergio R. S

“…Una gran diversidad de microfósiles permineralizados se encuentran embebidos en pedernal asociado a estromatolitos que a. oran en la localidad de Huépac, en…”
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Hydrothermal vents and prebiotic chemistry: a review by Colín-García, María, Heredia, Alejandro, Cordero, Guadalupe, Camprubí, Antoni, Negrón-Mendoza, Alicia, Ortega-Gutiérrez, Fernando, Beraldi, Hugo, Ramos-Bernal, Sergio

“…A hydrothermal system is an environment where there is a flow of hot fluids beneath and up to the surface of the Earth. Hydrothermal vents are systems whose…”
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Estromatolitos, tufas y travertinos de la sección El Morro: Depósitos relacionados con la primera incursión marina en la Cuenca de Santa Rosalía, Baja California Sur by Beraldi Campesi, Hugo, Carreño, Ana Luisa, Miranda-Avilés, Raúl, Puy-Alquiza, María Jesús

“…Este artículo presenta los resultados del análisis de las facies que constituyen la Caliza Marina Basal depositada en el Mioceno superior en la porción SE de…”
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Life cycle of a Cretaceous non-marine centric diatom by Beraldi-Campesi, Hugo

“…It has been largely assumed that the reproductive strategies of diatoms have remained unchanged over time since their origin (hypothetically in the Mesozoic),…”
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Spectroscopic evidence of microbial organic matter in secondary mineral deposits at Naica Underground System (NUS) and the biological role in its mineralization by Espino-del-Castillo, Adriana, Le Borgne, Sylvie, Beraldi-Campesi, Hugo, Beltrán, Hiram I.

“…The Naica Underground System (NUS) hosts the largest gypsum crystals (>10 m in length and >1 m in width) ever found in natural caves; these are growing from…”
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MODERN TERRESTRIAL SEDIMENTARY BIOSTRUCTURES AND THEIR FOSSIL ANALOGS IN MESOPROTEROZOIC SUBAERIAL DEPOSITS by BERALDI-CAMPESI, HUGO, FARMER, JACK D, GARCIA-PICHEL, FERRAN

“…Microbial communities developing on modern clastic sedimentary surfaces of arid lands are dominated by phototrophic microorganisms that form a variety of…”
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Life cycle of 70 Ma-old non-marine pennate diatoms by Beraldi-Campesi, Hugo, Mann, David G., Cevallos-Ferriz, Sergio R.S.

“…Life cycle variations in the morphological and behavioral traits of modern pennate diatoms are known for a wide variety of genera and it is assumed that…”
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La vida temprana en la Tierra y los primeros ecosistemas terrestres by Beraldi-Campesi, Hugo

“…Los ecosistemas terrestres han sido considerados tradicionalmente como superficies dominadas por plantas, cuyos primeros registros datan del Fanerozoico…”
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Preliminary palaeobotanical notes on the Early Cretaceous Cintura Formation (Sonora, Mexico) by Villanueva-Amadoz, Uxue, Calvillo-Canadell, Laura, Cevallos-Ferriz, Sergio R. S., Beraldi-Campesi, Hugo

“…The Cintura Formation of Albian-Cenomanian age in the Cabullona Basin yielded an important fossil flora, including palynomorphs, leaf impressions and fossil…”
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Benthic bacterial diversity from freshwater tufas of the Iberian Range (Spain) by BERALDI-CAMPESI, Hugo, ARENAS-ABAD, Concepción, GARCIA-PICHEL, Ferran, ARELLANO-AGUILAR, Omar, AUQUE, Luis, VAZQUEZ-URBEZ, Marta, SANCHO, Carlos, OSACAR, Cinta, RUIZ-VELASCO, Silvia

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Sedimentology and paleoecology of an Eocene–Oligocene alluvial–lacustrine arid system, Southern Mexico by Beraldi-Campesi, Hugo, Cevallos-Ferriz, Sergio R.S., Centeno-García, Elena, Arenas-Abad, Concepción, Fernández, Luis Pedro

“…A depositional model of the Eocene–Oligocene Coatzingo Formation in Tepexi de Rodríguez (Puebla, Mexico) is proposed, based on facies analysis of one of the…”
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Microfossil algae associated with Cretaceous stromatolites in the Tarahumara Formation, Sonora, Mexico by Beraldi-Campesi, Hugo, Cevallos-Ferriz, Sergio R.S, Chacón-Baca, Elizabeth

“…Microfossils associated with stromatolites in the Upper Cretaceous (Campanian–Maastrichtian) are preserved in chert layers of the Tarahumara Formation that…”
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Biosignatures of terrestrial cyanobacteria and their recognition in Precambrian rocks by Beraldi-Campesi, Hugo

“…The fossil record shows that life was well established on land by the early Paleozoic (less than 545 million years ago), but entries before that time are few…”
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