Search Results - "Gallardo, Juan Fernando"

Palaeoenvironmental use of silicophytoliths in soils and palaeosols associated with Holocene volcanic ash deposits in north-western Argentina by Osterrieth, Margarita, Alvarez, María Fernanda, Gallardo, Juan Fernando, Saavedra, Julio, Fernandez-Turiel, Jose-Luis, Rodriguez-Gonzalez, Alejandro, Perez-Torrado, Francisco J., Rejas, Marta

“…We compare the silicophytolith record of current soils and Holocene palaeosols from two sedimentary sequences in a region between the Chaco-Pampean Plain and…”
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Soil Biological Activity, Carbon and Nitrogen Dynamics in Modified Coffee Agroforestry Systems in Mexico by Ayala-Montejo, Diana, Valdés-Velarde, Eduardo, Benedicto-Valdés, Gerardo Sergio, Escamilla-Prado, Esteban, Sánchez-Hernández, Rufo, Gallardo, Juan Fernando, Martínez-Zurimendi, Pablo

“…(1) Background: Coffee agroforestry systems (CAFS) in Veracruz, Mexico, are being displaced by avocado monocultures due to their high economic value. This…”
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Modified method for measuring acid phosphatase activities in forest soils with high organic matter content by Schneider, Knut, Turrión, Maria-Belén, Gallardo, Juan-Fernando

“…The acid phosphatase activity (APA) is a key factor in phosphorus (P), mineralization, P nutrition of plants, and P cycling. However, the widely used method of…”
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Biogeochemical cycles in natural forest and conifer plantations in the high mountains of Colombia by León, Juan Diego, González, María Isabel, Gallardo, Juan Fernando

“…Plant litter production and decomposition are two important processes in forest ecosystems, since they provide the main organic matter input to soil and…”
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Extraction of soil-available phosphate, nitrate, and sulphate ions using ion exchange membranes and determination by ion exchange chromatography by Turrion, M.B, Gallardo, J.F, Gonzalez, M.I

“…In recent years, ion exchange membranes (IEM) have been used successfully to determine the availability of soil nutrient elements for plants. In general, the…”
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Evolution of soil organic carbon during a chronosequence of transformation from cacao (Theobroma cacao l.) plantation to grassland by Salvador Morales, Pedro, Sanchez Hernandez, Ruffo, Sánchez Gómez, Delfino, López Noverola, Ulises, Santiago, Gelacio Alejo, Valdés Velarde, Eduardo, Gallardo Lancho, Juan Fernando

“…The aim of this research was to evaluate the impact of the soil use change of the Cocoa Agroforestry System (CAS) on soil organic carbon (SOC) levels and other…”
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Ciclos biogeoquímicos en bosques naturales y plantaciones de coníferas en ecosistemas de alta montaña de Colombia by León, Juan Diego, González, María Isabel, Gallardo, Juan Fernando

“…La caída y descomposición de hojarasca representan los principales ingresos de materia orgánica y nutrientes a los ecosistemas forestales. Se estudiaron la…”
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Carbon Sequestration in a Spanish Chestnut Coppice by Gallardo Lancho, Juan Fernando, Gonzalez, María Isabel

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Ciclos biogeoquímicos en bosques naturales y plantaciones de coníferas en ecosistemas de alta montaña de Colombia by León, Juan Diego, González, María Isabel, Gallardo, Juan Fernando

“…La caída y descomposición de hojarasca representan los principales ingresos de materia orgánica y nutrientes a los ecosistemas forestales. Se estudiaron la…”
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Ciclos biogeoquímicos en bosques naturales y plantaciones de coníferas en ecosistemas de alta montaña de Colombia by Juan Diego León, María Isabel González, Juan Fernando Gallardo

“…La caída y descomposición de hojarasca representan los principales ingresos de materia orgánica y nutrientes a los ecosistemas forestales. Se estudiaron la…”
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DISTRIBUCIÓN DEL AGUA LLUVIA EN TRES BOSQUES ALTOANDINOS DE LA CORDILLERA CENTRAL DE ANTIOQUIA, COLOMBIA RAINFALL DISTRIBUTION IN THREE HIGH ANDEAN FORESTS IN THE CENTRAL CORDILLERA OF COLOMBIA by Juan Diego León Peláez, Maria Isabel González Hernández, Juan Fernando Gallardo Lancho

“…Se estudió la distribución del agua lluvia durante tres años en un bosque climácico de roble (Quercus humboldtii) y dos plantaciones forestales, de pino (Pinus…”
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Dry weight loss in leaves of dominant species in a successional sequence of the Mesopotamian Espinal (Argentina) by Mendoza, Carlos A., Gallardo, Juan F., Turrión, Maria B., Pando, Valentín, Aceñolaza, Pablo G.

“…Aim of study: To compare litter decomposition dynamics among different species within a single forest type and also between a single species in different…”
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EVALUACIÓN DEL CARBONO ORGÁNICO EN SUELOS DE LOS MANGLARES DE NAYARIT by Valdés Velarde, Eduardo, Valdez Hernández, Juan Ignacio, Ordaz Chaparro, Víctor Manuel, Gallardo Lancho, Juan Fernando, Pérez Nieto, Joel, Ayala Sánchez, Ciriaco

“…Los manglares son un recurso ecológico y económico muy valioso para la reproducción de especies acuáticas y la alimentación de aves, peces, crustáceos,…”
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Temporal evolution of litterfall and potential bio-element return in a successional forest sequence of the Espinal Ecoregion, Argentina by Mendoza, Carlos A., Gallardo Lancho, Juan F., Aceñolaza, Pablo G., Turrion, Maria-Belen, Pando, Valentin

“…Aim of study: The aim of this work was to assess the litterfall contribution and the return of bioelements of a successional forest sequence from the…”
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Distribución del Agua Lluvia en Tres Bosques Altoandinos de la Cordillera Central de Antioquia, Colombia by Juan Diego León Peláez, González Hernández, María Isabel, Gallardo Lancho, Juan Fernando

“…Se estudió la distribución del agua lluvia durante tres años en un bosque climácico de roble (Quercus humboldtii) y dos plantaciones forestales, de pino (Pinus…”
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