Results 51 to 60 of about 8,087 (211)
FORJAR UN CUERPO TRABAJADOR. ETNOGRAFÍA RETROSPECTIVA SOBRE LA CONSTRUCCIÓN DE MASCULINIDADES
A través de una etnografía retrospectiva realizada en Jerez, Zacatecas, con un grupo de varones “viejos” con experiencia migratoria, argumento que la construcción social de las masculinidades es recreada y puesta en marcha por ellos y por otros mediante ...
Juan Miguel Sarricolea Torres
doaj
Classification and selection of the main features for the identification of toxicity in Agaricus and Lepiota with machine learning algorithms [PDF]
The occurrence of fungi is cosmopolitan, and while some mushroom species are beneficial to human health, others can be toxic and cause illness problems.
Jacqueline S. Ortiz-Letechipia +7 more
doaj +2 more sources
The Cytocidal Spectrum of Bacillus thuringiensis Toxins: From Insects to Human Cancer Cells
Bacillus thuringiensis (Bt) is a ubiquitous bacterium in soils, insect cadavers, phylloplane, water, and stored grain, that produces several proteins, each one toxic to different biological targets such as insects, nematodes, mites, protozoa, and ...
Gretel Mendoza-Almanza +6 more
doaj +1 more source
ABSTRACT Aim We investigated the biogeographic consequences of chromosomal speciation, or structural changes in chromosome arrangement that lead to reproductive isolation, an intriguing speciation mechanism with implications for the phylogenetic and geographic distribution of species and chromosomal diversity. Location. North and Central America. Taxa.
Isaac W. Krone, Erin P. Westeen
wiley +1 more source
Jaguars in the northern end of their distribution have recently become the center of conservation efforts; however, the State of Chihuahua has been underrepresented in monitoring projects. We present five new records of jaguars in high altitudes as well as the first evidence of two jaguars exhibiting cooperative behavior in Mexico.
M. Fernanda del Pozo‐López +2 more
wiley +1 more source
Evaluación económica del impacto del turismo cultural en la ciudad de Zacatecas
El objetivo de este trabajo fue evaluar el impacto económico del turismo cultural en la ciudad de Zacatecas, con especial énfasis en su centro histórico.
Alejandrina De Sicilia Muñoz
doaj
Spectral signature of ultraviolet solar irradiance in Zacatecas
En este trabajo se presenta un análisis de la radiación espectral global ultravioleta (290–400 nm) registrada en Zacatecas, una ciudad vecina al trópico de cáncer, situada a 2500 m sobre el nivel del mar, latitud de 22°N y longitud de 102°O.
J. L. Pinedo V. +4 more
doaj +1 more source
Para evaluar la erosion hidrica se utilizaron anomalias de temperatura y precipitacion para el periodo 2021-2080, estimadas con un ensamble de 11 modelos de circulacion global, para generar mapas de temperatura y precipitacion futuras a partir de la ...
F. Echavarría-Chaírez +2 more
semanticscholar +1 more source
These findings support the proposal of differentiated conservation strategies aligned with the social priorities of various educational groups. It is concluded that public conservation policies must incorporate the diversity of social perceptions as an essential element for achieving sustainable and participatory environmental management.
Blanca Isabel Sánchez Toledano +3 more
wiley +1 more source
Concentración de las industrias manufactureras en México: El caso de Zacatecas
La actividad industrial en México como factor de desarrollo desempeña un papel clave en el crecimiento regional. En este artículo se analiza la estructura de la industria manufacturera en el estado de Zacatecas a través de los 21 subsectores del scian ...
Francisco Javier Benita +1 more
doaj

