Results 11 to 20 of about 2,219 (149)

Science and Knowledge of Free‐Roaming Donkeys—A Critical Review

open access: yesThe Journal of Wildlife Management, Volume 85, Issue 6, Page 1200-1213, August 2021., 2021
ABSTRACT The emergence of free‐roaming donkey (Equus asinus) populations globally has brought novel challenges for conservationists, land managers, and those concerned about animal welfare. We provide a review of the scientific literature pertaining to the place and role of free‐roaming donkeys from 1950 until 2020.
Cara L. Clancy   +3 more
wiley   +1 more source

Distilling agro‐extractivism: Agave and tequila production in Mexico

open access: yesJournal of Agrarian Change, Volume 21, Issue 2, Page 219-241, April 2021., 2021
Abstract This article seeks to challenge the notion that the concept of agro‐extractivism be restricted to crops destined for export with little or no processing. Based on a study of agave and tequila production in Mexico, it argues that the domestic processing of biomass does not change nor necessarily compensate for the negative social and ...
Darcy Tetreault   +2 more
wiley   +1 more source

Addressing global challenges with unconventional insect ecosystem services: Why should humanity care about insect larvae?

open access: yesPeople and Nature, Volume 2, Issue 3, Page 582-595, September 2020., 2020
Abstract Ecosystem services are essential for the health of current and future generations and key to the sustainable development of our societies. The role of insects in providing ecosystem services has been increasingly recognized, becoming the focus of several management and conservation initiatives world‐wide.
Juliano Morimoto, Jim Harris
wiley   +1 more source

Optimization of the Supply Chain in the Production of Ethanol from Agricultural Biomass Using Mixed‐Integer Linear Programming (MILP): A Case Study

open access: yesMathematical Problems in Engineering, Volume 2020, Issue 1, 2020., 2020
The production of biofuels from agricultural biomass has attracted much attention from researchers in recent years. Biomass residues generated from agricultural production of corn and barley represent an essential source of raw material for the production of biofuels, and a mathematical programming‐based approach can be used to establish an efficient ...
Edgar León-Olivares   +4 more
wiley   +1 more source

A revision of the genus Maracandula Currie (Neuroptera: Myrmeleontidae) [PDF]

open access: yes, 2009
Three new species of Maracandula are described from Mexico and included in a key to the five species in Mexico. Diagnoses of the species are given as well as distributional data.Se describen tres especies nuevas de Maracandula de Mexico y se incluye una ...
Miller, Robert B., Stange, Lionel A.
core   +1 more source

Age an origin of the "Mexican Onyx" at San Antonio Texcala (Puebla, Mexico) [PDF]

open access: yes, 2001
A great variety of color banded CaC03 is known as „Mexican Onyx“, and is extensively used for ornamental purposes. Within the San Antonio Texcala mining district an area of about 24.000 m2 is covered by a thick travertine crust with a calculated volume ...
Fischer, Rudolf   +3 more
core   +2 more sources

Distribución de la cobertura vegetal y del uso del terreno del municipio de Zapotitlán, Puebla, México

open access: yesRevista Mexicana de Biodiversidad, 2021
La identificación de la distribución espacial de la cobertura vegetal y el uso del terreno (CVUT) es relevante para la evaluación y planificación del manejo sustentable de cualquier territorio.
Mayra Mónica Herández-Moreno   +5 more
doaj   +1 more source

tica del trabajo duro y productividad en Teléfonos de México (TELMEX)

open access: yesSociología del Trabajo, 2018
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

Is Sexual Dimorphism in the Immune Response of Gryllodes sigillatus Related to the Quality of Diet?

open access: yesInternational Scholarly Research Notices, Volume 2014, Issue 1, 2014., 2014
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

Turismo y desarrollo local

open access: yesPASOS Revista de Turismo y Patrimonio Cultural, 2017
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

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