Results 101 to 110 of about 89,092 (237)

Evidencias formativas en una vía interregional entre san pedro de Atacama y el Altiplano de Lípez

open access: yesEstudios Atacameños, 2008
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 Pimentel G
doaj  

Geology of the Transverse Range Province, Southern California [PDF]

open access: yes, 1954
The Transverse Range province of southern California is an elongate geomorphic and structural unit that trends essentially east-west across parts of Santa Barbara, Ventura, Los Angeles, San Bernardino, and Riverside Counties (pl. 4).
Bailey, Thomas L., Jahns, Richard H.
core  

Evidencias formativas en una vía interregional entre san pedro de Atacama y el Altiplano de Lípez

open access: yesEstudios 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]

open access: yes
A methodology was developed to evaluate multispectral analysis of orbital imagery on the interpretation of geology, coastal geomorphology and sedimentary processes.
Albrizzio, C.
core   +1 more source

Global Trade Impacts: Addressing the Health, Social and Environmental Consequences of Moving International Freight Through Our Communities [PDF]

open access: yes, 2011
Examines freight transportation industry trends; the impact of global trade on workers, the environment, and health in both exporting and importing countries; and organizing strategies and policy innovations for minimizing the damage and ensuring ...
Andrea Hricko   +3 more
core  

The Crustacean and Molluscan Fisheries of Honduras [PDF]

open access: yes, 1996
Honduras has many communities of artisanal fishermen who land various species of crustaceans and mollusks, using hands, nets, traps, and free diving from shore and from dugout canoes.
MacKenzie, Jr. , Clyde L.   +1 more
core  

Ictiofauna de los humedales del río San Pedro, Balancán, Tabasco, México

open access: yesRevista 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
doaj  

Environmental vulnerability analysis of high river basin san Pedro, Miranda, Venezuela

open access: yes, 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

Relación longitud-peso y factor de condición de los peces nativos del río San Pedro (cuenca del río Valdivia, Chile) Weight-length relationships and condition factor of native fish from San Pedro River (Valdivia River basin, Chile)

open access: yesGayana, 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
doaj  

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