Results 101 to 110 of about 89,781 (236)
Evidencias formativas en una vía interregional entre san pedro de Atacama y el Altiplano de Lípez
Estudios Atacameños, 2017 Se presentan los resultados de la prospección pedestre de una rutaque comunicó el Altiplano de Lípez (Departamento de Potosí, Bolivia) con los nodos formativos de Ghatchi y Calar en la cuenca delVilama (San Pedro de Atacama, Chile), analizándose las ...
Gonzalo Ernesto Pimentel Guzmán
doaj
Geological photointerpretation of the Paraguana Peninsula using ERTS-A multispectral photography [PDF]
A methodology was developed to evaluate multispectral analysis of orbital imagery on the interpretation of geology, coastal geomorphology and sedimentary processes.
Albrizzio, C.
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Geomorphology of Mountainous Deserts [PDF]
, 1933 The peculiar land forms of the desert are due largely (1) to the paucity of plant growth, in consequence of which (2) disintegrated rock, produced more by physical than by chemical processes, which (3) vary with rock nature (hence granitic rocks assume ...
Davis, W. M.
core
Gayana, 2012 La relación longitud-peso y el factor de condición (K) son descriptores de gran interés en la biología de poblaciones de peces, ya que aportan información fundamental sobre estrategias de crecimiento, estado nutricional y reproducción.
Roberto Cifuentes +6 more
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Ictiofauna de los humedales del río San Pedro, Balancán, Tabasco, México
Revista de Biología Tropical, 2011 Los humedales de San Pedro sostienen redes tróficas del sistema fluvial debido a la alta disponibilidad de hábitats y a sus variaciones espacio-temporales.
Alfonso Castillo-Domínguez +4 more
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Environmental vulnerability analysis of high river basin san Pedro, Miranda, Venezuela
, 2017 Environmental vulnerability by flooding and displacement of the communities located in the upper San Pedro River, Guaicaipuro, Miranda state, Venezuela was characterized using GIS. The area was divided into two parts: a slightly intervened (A) and strongly intervened (B) to obtain thematic maps used as indicators, which were standardized by re ...
Coromoto Marín, Haideé +2 more
openaire +1 more source
Information about petroleum in America prior to the nineteenth Century [PDF]
, 2010 The petroleum substances have been used a lot of centuries ago: bitumen has been used in Neolithic Period to fix head's hammer of stone and to set beads.
Mazadiego Martínez, Luis Felipe +2 more
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The relative availability of water as an indicator in the San Pedro River basin, Mexico.
Tecnología y ciencias del agua, 2013 Assessing the availability of water in a basin solely by obtaining the volume available is not sufficient to establish management criteria to aid in solving overexploitation.
Eduardo Sánchez-Ortiz
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Avances en Ciencias e IngenieríaThis work presents the results obtained from the evaluation of water quality at several points along the San Pedro River located in Aguascalientes city (Mexico).
Natalie E. Morales-Leiva +5 more
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