Results 21 to 30 of about 410 (122)
Debido al escaso conocimiento que se tiene de las hormigas de las zonas áridas de México, se evaluó la biodiversidad de este taxón en el Jardín Botánico de Zapotitlán de las Salinas, Puebla.
Rafael Guzmán-Mendoza +2 more
doaj +1 more source
El turismo constituye motor de desarrollo local en áreas rurales, según se desprende de la experiencia del municipio de San Francisco Zapotitlán, en el departamento de Retalhuleu, en Guatemala, donde se ubica el centro recreativo IRTRA, que recibe ...
Guillermo Osvaldo Diaz Castellanos
doaj +3 more sources
Is Sexual Dimorphism in the Immune Response of Gryllodes sigillatus Related to the Quality of Diet?
Whereas some authors have proposed that sexual dimorphism in the immune response is fixed, others pose that it is dynamic and depends on diet. The aim of the present study was to explore the second hypothesis. Immunocompetence differences between females and males can be linked to resource availability.
Adolfo Galicia +5 more
wiley +1 more source
tica del trabajo duro y productividad en Teléfonos de México (TELMEX)
Ante el temor a un reajuste masivo de personal en Teléfonos de México, el sindicato de telefonistas promovió la firma de un programa con el fin de elevar la calidad y productividad.
Mario Ortega Olivares
doaj +1 more source
Lower Cretaceous Dinosaur Tracks from Puebla, Mexico
Dinosaur tracks have been identified near San Martín Atexcal, southern Puebla, Mexico, within the sedimentary sequence of the San Juan Raya Formation of Lower Cretaceous (Albian) age. The tracksite, located in the bed of the Magdalena River, reveals six different ichnofossiliferous levels identified within a 9 m thick sedimentary sequence. The inferred
Rubén A. Rodríguez-de la Rosa +4 more
wiley +1 more source
In the recent years, the influence of the landscape´s heterogeneity in the structure of plant communities has been recognized. In terms of geographic scales, the geomorphological dynamic is very important to explain the landscape structure in arid lands.
Felipe García Oliva
doaj +1 more source
Foraging strategies can be influenced by many factors such as abundance, availability, and toxicity of the resources. In arid zones, the distribution and productivity of plants also act as additional factors that affect foraging strategies. Twenty colonies of Pogonomyrmex barbatus ants were studied in an arid zone of central Mexico to evaluate the ...
Rafael Guzmán-Mendoza +3 more
wiley +1 more source
En los sistemas aridos y semiaridos la vegetacion se distribuye en parches. Asociados a estos parches, existen microorganismos que participan en la transformacion de compuestos organicos y minerales, influyen en el contenido y la movilidad de los macro y
H. V. S. Aquino +3 more
semanticscholar +2 more sources
A survey of psocopterans in the Zapotitlán Salinas Valley, Puebla, was conducted from October 1994 toOctober 1995. A total of 582 specimens were collected, representing 25 species, belonging to 15 genera and 8 families(18.38% of the species recorded in ...
José Arturo Casasola-González +2 more
doaj +1 more source
This article explores the arrangements between humans, non-humans, and the more-than-human that have resulted from the modernization of agriculture in the ejido of San Miguel Zapotitlán in the town of Poncitlán, Mexico, since the 1950s.
R. C. Díaz Ramírez
semanticscholar +1 more source

