Results 81 to 90 of about 2,418 (172)

Impactos de la actividad volcánica en época prehispánica: Estudios edáficos en los sitios arqueológicos de Cerro del Teúl y El Pitayo, Tres Mezquites en el occidente de México

open access: yesGeofísica Internacional
Volcanic activity in ancient Mesoamerica was decisive for many populations since it influenced daily life and the way of understanding the world.
Thania Alejandra García Zeferino   +8 more
doaj   +1 more source

Pintura a la cera: encáustica y derivados en frío [PDF]

open access: yes, 2000
La historia de la pintura encáustica está salpicada desde sus orígenes de una serie de interrogantes no aclarados hasta la fecha. Se conoce la esencia de su práctica, su existencia y fechas aproximadas.
Calle González, Juan Manuel (Coordinador)   +1 more
core  

The species of genus Lecanora (Ascomycota, Lecanoraceae) in Tucumán province (Argentina) [PDF]

open access: yes, 2014
Como resultado de este trabajo se describen o comentan 13 especies del género Lecanora presentes en la provincia de Tucumán (Argentina). Seis de estas son citadas por primera vez para la provincia (L. argentata, L. chlaronella, L. helva, L.
de la Rosa, Iris Nadia   +1 more
core  

Mexico City's Water Management: In Search of Sustainability [PDF]

open access: yes, 2006
Mexico City is facing water supply problems as its population increases and aquifer overexploitation needs to be stopped. Because of its geographic location the City has continuously faced water related problems such as floods and lack of the resource ...
Carrera-Hernandez, J.J.
core  

The biological and reproductive parameters of the invasive armored catfish Pterygoplichthys disjunctivus from Adolfo López Mateos El Infiernillo Reservoir, Michoacán-Guerrero, Mexico Parámetros biológicos y reproductivos del bagre armado invasivo Pterygoplichthys disjunctivus del embalse Adolfo López Mateos El Infiernillo, Michoacán-Guerrero, México

open access: yesRevista Mexicana de Biodiversidad, 2013
Invasive Pterygoplichthys disjunctivus (Weber, 1991) (synonymy: Liposarcus multiradiatus) armored catfish were first reported in Mexico in 1995 and have spread successfully in several aquatic ecosystems.
Rebeca Aneli Rueda-Jasso   +4 more
doaj  

HPTLC-based fingerprinting: An alternative approach for fructooligosaccharides metabolism profiling. [PDF]

open access: yesCurr Res Food Sci, 2023
Salomé-Abarca LF   +3 more
europepmc   +1 more source

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