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Soil porosity changes in orchards with subsurface irrigation: quantification and interpretation

Abstract: In order to assess the irrigation efficiency under water-limiting conditions, four different treatments of subsurface irrigation of peach trees in a semi-arid Mediterranean climate near Lleida (NE Iberian Peninsula) were tested. The treatments included pressu

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A micromorphological analysis for quantifying structure descriptors in a young constructed technosol

Abstract: Evaluating soil structure dynamics is a major challenge when analysing or modelling pedogenesis. Constructed Technosols are considered, by definition, to be good candidates for pedogenetic studies, insofar as their initial characteristics and implementation c

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Microscopic and tomographic studies for interpreting the genesis of desert varnish and the vesicular horizon of desert soils in Mongolia and the USA

Abstract: The composition and microfabric of the Av diagnostic surface horizon (crust) and desert varnish of soils formed on various parent materials covering ancient alluvial fans in extremely arid deserts of Central Asia (Trans-Altai Gobi, Mongolia) and North America

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Soils of East Antarctic oasis: interplay of organisms and mineral components at microscale

Abstract: The soils of Antarctic oases - coastal as well as inland ice-free areas limited by ice sheet or ice shelves attract attention as a block of one of the most extreme terrestrial ecosystems of the Earth. The knowledge about early stages of pedogenesis, solumform

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Quaternary loess-paleosol sequences in East and Central Asia in comparison with Central Europe - micromorphological and paleoclimatological conclusions
Arnt Bronger Libuše Smolíková

Abstract: Detailed knowledge of the genesis of paleosols is needed to establish loess-paleosol stratigraphies that can be used for paleoclimatic reconstruction. Most paleosols, however, are truncated and largely recalcified from overlying loess. Micromorphological stud

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Ancient Mayan use of hidden soilscapes in the Yalahau Wetlands, northern Quintana Roo, Mexico

Abstract: The Yalahau region of northern Quintana Roo, Mexico, contains abundant freshwater wetlands and a history of Maya occupation that spans nearly 3000 years. The highest regional population levels occurred during the Late Preclassic period, from ca. 100 BC to AD

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Taxonomía y biogeografía del extinto lobo gigante, Canis dirus Leidy 1858, en México

Resumen: En la década de los años 80 se propuso que el extinto lobo gigante, Canis dirus Leidy, 1858, estaba conformado por dos subespecies: C. dirus dirus Leidy, 1858, que se extendía desde el noreste de Estados Unidos hasta Canadá y C. dirus guildayi Kurtén, 1984, q

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Ensayo geometalúrgico para la recuperación de oro de la zona de sulfuros primarios de la mina La Herradura, Sonora, México

Resumen: La mina La Herradura, en Sonora, constituye uno de los distritos de oro más importantes de México, con una producción a la fecha superior a 5.5 millones de onzas de oro durante 17 años. Forma parte de un cinturón de yacimientos de oro orogénico que se extiend

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Additions to continental gastropods from the Late Cretaceous and Paleocene of NE Mexico

Abstract: Additions are offered to the diverse estuarine, freshwater and terrestrial gastropod fauna of the Upper Cretaceous (Campanian) and Paleocene lithostratigraphic units of the Difunta Group, NE México (Coahuila and Nuevo León). Nineteen species of continental ga

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Abies cuitlahuacii sp. nov. a mummified Late Quaternary fossil wood from Chalco, Mexico

Abstract: A fragment of mummified wood collected from a Quaternary sedimentary sequence of Lake Chalco, Central Mexico, in the depocenter of the Basin (19°15ʹ26ʺN, 98°58ʹ32ʺW), has anatomical characteristics of Abies. Identification is based on the presence of a warty

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Geochronology of Mexican mineral deposits. VIII: the Zacatepec polymetallic skarn, Oaxaca

Abstract: The Zn-Pb-Ag(-W) skarn deposits at Zacatepec (or Mɨɨygɨxy) in Oaxaca are associated with rocks of the Sierra Madre del Sur (SMS) magmatic province, and located in its easternmost part, in southern Mexico. This region consists of Eocene to Miocene calc-alkalin

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A new calappid species from the Ligure Piemontese Basin (NW Italy) and reappraisal of the fossil calappid specimens in the Museo “G. Maini”, Ovada

Abstract: The Oligocene species ascribed to the Calappidae H. Milne-Edwards, 1837, housed in the palaeontological collections of the Museum “G. Maini” of Ovada (Alessandria, Piemonte, NW Italy) from the Ligure Piemontese Basin, are herein revised in order to verify the

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