619 resultados para Gómez, Juan Vicente, 1857-1935.
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Sign.: [calderón]5, A-F4
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The biogeochemical cycles of carbon (C), nitrogen (N) and phosphorus (P) are interlinked by primary production, respiration and decomposition in terrestrial ecosystems. It has been suggested that the C, N and P cycles could become uncoupled under rapid climate change because of the different degrees of control exerted on the supply of these elements by biological and geochemical processes. Climatic controls on biogeochemical cycles are particularly relevant in arid, semi-arid and dry sub-humid ecosystems (drylands) because their biological activity is mainly driven by water availability. The increase in aridity predicted for the twenty-first century in many drylands worldwide may therefore threaten the balance between these cycles, differentially affecting the availability of essential nutrients. Here we evaluate how aridity affects the balance between C, N and P in soils collected from 224 dryland sites from all continents except Antarctica. We find a negative effect of aridity on the concentration of soil organic C and total N, but a positive effect on the concentration of inorganic P. Aridity is negatively related to plant cover, which may favour the dominance of physical processes such as rock weathering, a major source of P to ecosystems, over biological processes that provide more C and N, such as litter decomposition. Our findings suggest that any predicted increase in aridity with climate change will probably reduce the concentrations of N and C in global drylands, but increase that of P. These changes would uncouple the C, N and P cycles in drylands and could negatively affect the provision of key services provided by these ecosystems.
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Fecha de la licencia: 1715
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Precede al tít. : "Jesus, Maria, Joseph y San Vicente Ferrer"
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Precede al tít.: "Iesus, Maria, Ioseph"
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Resumen: Descripción: galería de retratos de los concejales del partido Unión Republicana en el año 1906. Entre los retratados, y destacado respecto al resto, se encuentra la fotografía de D. Vicente Blasco Ibáñez, jefe del partido en Valencia. Los otros concejales que aparecen son: D. Joaquín García Rives, D. Coscollá Martí, D. Francisco Galán Sanclemente, D. Ramón Miralles Rodrigo, D. José Suay Bonora, D. Mariano Cuber Sagols, D. José María Marzal Pavía, D. Vicente Jiménez Taberner, D. Pascual Romaní Miquel, D. Rafael Mollá Rodrigo, D. José Aguilar Blanch, D. Vicente Gil Roca, D. Enrique Vicente Sancho, D. Guillermo Julián Mira, D. Tomás Fabregat Giner, D. Camilo Urios Celda, D. Manuel Ortega García, D. Vicente Pichó Báguena, D. Antonio Cortina Peiró, D. Julián Llopis Sanfelipe, D. José Mira Meseguer, D. Juan Bort Muedra, D. Luis Tomás Palau, D. Cayetano Fiol Ridaura, [...]tínez, D. Ramón Carbonell Fabra, D. Joaquín Alcaide Navarro, D. Francisco Gómez Cano, D. Joaquín Barberá Martí
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Sign.: A4
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Resumen: Descripción: en el primer cuerpo: Virgen de los Desamparados, San Juan Evangelista, San Juan Apóstol, San Dionisio Mártir y Santo Tomás de Villanueva. En el segundo cuerpo: rey D. Jaime, San Vicente Ferrer y San Vicente Mártir. Rematando: alegoría de la Fama
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Hay un ejemplar encuadernado con: Breve descripcion de las fiestas que hizo el Real Convento de Predicadores de Valencia en la beatificacion del B. Juan de Ribera. Y sermón que predicó ... Luis Ballester, prior del mismo convento. (XVIII/4277).
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Hay un ejemplar encuadernado con: Romans, y coloqui nou, pera divertir el humor y desterrar la melancolia, yà que no tenim dinès ... (NP849.91/3085).
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Sign. : A-N8, *-**8, ***4
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Sign.: A-L8, M1
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Existe emisión con variantes tipográficas en la port. y con dedicatoria a Juan V, Rey de Portugal y esc. real calc. en cabecera de h. 2¶2
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Inscripción: "Propiedad de la Calcografía Nacional"