Results 31 to 40 of about 3,406 (246)
Explosive Behavior of Intermediate Magmas: The Example of Cotopaxi Volcano (Ecuador)
Abstract The variability in intensity and style shown by explosive volcanism has been traditionally explained by a complex interplay among melt composition and pre‐eruptive volatile content, which modulate magma ascent and conduit dynamics. However, magmas having similar compositions may be characterized by subtle textural changes affecting magma ...
M. Pistolesi +5 more
wiley +1 more source
La sismicidad en la placa de Cocos subducida por debajo de México central, definida por sismos moderados y grandes, cesa antes de al frente volcánico activo.
Shri K. Singh +4 more
doaj +1 more source
Debido al cambio climático, los patrones de precipitación y temperatura ocasionarían cambios importantes en los ecosistemas del mundo. Los Modelos de Circulación Global (MCG) se utilizan para simular el clima a futuro y con ello se generan escenarios ...
Ulises Manzanilla Quiñonez +4 more
doaj +1 more source
Formation, production and viability of oospores of Phytophthora infestans from potato and Solanum demissum in the Toluca Valley, central Mexico [PDF]
Aspects of the ecology of oospores of Phytophthora infestans were studied in the highlands of central Mexico. From an investigation of a random sample of strains, it was found that isolates differed in their average capability to form oospores when ...
Flier, W.G. +3 more
core +3 more sources
EXTRACCIÓN DE MADERA EN EL PARQUE NACIONAL NEVADO DE TOLUCA
La extracción de leña y madera en las localidades rurales dentro del área de influencia del Parque Natural Nevado de Toluca muestra un notable incremento; sin embargo, al desconocerse sus cantidades reales se plantea la necesidad de conocer las especies forestales que tienen un mayor grado de aprovechamiento, identificar sus ...
Angel Rolando Endara Agramont +5 more
openaire +2 more sources
Larvae and pupae of the Pseudodiamesa branickii species group (Makarchenko and Makarchenko, 1999) (Diptera: Chironomidae) were found in 2 high-altitude lakes (El Sol and La Luna, 4,200 m asl), in the crater of the Nevado de Toluca volcano, in central ...
Joanna Moreno +3 more
doaj +1 more source
Estudio de la distribución espacial del muérdago enano (Arceuthobium sp.) en el Nevado de Toluca, México utilizando el método del SADIE [PDF]
El Nevado de Toluca fue decretado como Parque Nacional, reconociendo su importancia como sitio de recarga de los acuíferos, así como el valor de sus recursos naturales. Hoy es, sin embargo, escenario de una acelerada depredación tanto humana como natural.
PORCAYO CAMARGO, ELVIA +3 more
core +1 more source
Abstract Nevado de Toluca is a stratovolcano in the densely populated Mexican Highland and the source of three late Pleistocene Plinian eruptions. While the characterization of the magmatic processes and timescales, leading to these events, is crucial to evaluate potential signals of the reawakening of this volcano, they are not well constrained.
Gregor Weber +3 more
wiley +1 more source
Se describen las características culturales del micelio de ocho aislamientos de Fomitopsis pinicola (Sw. ex Fr.) P. Karst., y uno de Heterobasidion annosum (Fr.) Bref., según el método de Nobles (1965), como una fase irúcial para el diagnóstico de ...
María Elena Ruiz-Rodríguez +1 more
doaj +1 more source
Abstract Explosive eruptions that occur with little or no precursory unrest (less than a month) pose the greatest hazards from volcanoes to nearby populations. Here we focus on the preeruptive conditions for these explosive events, their triggers and how these eruptions evolve.
M. Cassidy +10 more
wiley +1 more source

