Results 21 to 30 of about 103,363 (202)

Basement topography and fresh-water resources of the coastal aquifer at Acapetahua, Chiapas, Mexico

open access: yesGeofísica Internacional, 1999
El acuífero costero de Acapetahua, Chiapas, en el sureste de México, consiste en una unidad hidroestratigráfica compuesta de sedimentos continentales con un basamento cristalino. Se realizaron veinticuatro sondeos de resistividad y se tomaron cincuenta y
Birgit Steinich   +2 more
doaj   +1 more source

Using three different approaches of OSL for the study of young fluvial sediments at the coastal plain of the Usumacinta–Grijalva River Basin, southern Mexico [PDF]

open access: yes, 2016
We use three different approaches of optically stimulated luminescence (OSL) to study young fluvial sediments located at the main channels of one of the largest fluvial systems of North America: the Usumacinta–Grijalva. We use the pulsed photo-stimulated
Castillo, Miguel   +4 more
core   +1 more source

Corytophanes hernandesii [PDF]

open access: yes, 2004
Number of Pages: 6Integrative BiologyGeological ...
McCranie, James R.   +2 more
core   +1 more source

Desplazamiento ambiental forzado. La pertinencia de una reflexión conceptual.

open access: yesMaya America, 2023
La aceleración e intensidad de los actuales procesos migratorios en diversas partes del mundo nos reta a hilar fino para poder distinguir las particularidades de las diferentes maneras en que se producen las movilidades humanas.
Carolina Rivera Farfán
doaj   +1 more source

Laemanctus serratus [PDF]

open access: yes, 2004
Number of Pages: 5Integrative BiologyGeological ...
Köhler, Gunther, McCranie, James R.
core   +1 more source

Mass movement processes at the Motozintla Basin, Chiapas, Southern Mexico

open access: yesGeofísica Internacional, 2012
Uno de los principales desafíos que presentan las zonas montañosas es Ia identificación y predicción de áreas susceptibles a procesos de remoción en masa (PRM).
Juan Manuel Sanchez-Nunez   +4 more
doaj   +1 more source

From Chiapas to Palestine: Historicizing Social Movement Media Before and Beyond the Arab Uprisings

open access: yesMedia and Communication, 2021
Critical scholarship investigating media and the Arab uprisings has called for “a return to history.” This article argues that researching the contemporary constraints and opportunities of social movement media in the Arab region requires historicizing ...
Gretchen King
doaj   +1 more source

Expansión y presencia de la radio libre en Chiapas, un fenómeno de la globalización

open access: yesCorrespondencias & Análisis, 2015
En Chiapas, Estado fronterizo del sur de México, en 2002 empezaron a surgir radios libres, también conocidas como ilegales, “piratas” o no concesionadas.
Sarelly Martínez Mendoza   +2 more
doaj   +1 more source

Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico [PDF]

open access: yes, 2015
Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State ...
Martínez Hernández, Enrique   +2 more
core   +1 more source

Volatile compound diversity and conserved alarm behaviour in Triatoma dimidiata [PDF]

open access: yes, 2015
Background: Triatoma dimidiata (Latreille) is a key vector complex of Trypanosoma cruzi, etiologic agent of Chagas disease, as it spans North, Central, and South America.
Cruz López, Leopoldo   +4 more
core   +1 more source

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