Comunidad campesina organizada e infraestructuras hidráulicas vernáculas como servicios ambientales

This research aims to highlight the importance of water infrastructure which, although small in scale, has a major impact on the environment. For this purpose, a historical tour of the organized communities and their disappearance is made in order to make all the factors by which their disappearance was validated visible, and also to locate the new organized communities, called “village republics” by various authors. On the other hand, many authors point out that small vernacular hydraulic works have great advantages over large works, because they are small and easily adapted to the geographic region, in addition to the fact that the communities in which they are located have the appropriate knowledge to manage them. This research finally advocates for the recovery and support of small works as a policy strategy for the conservation of the environment.

Los videos en la red y el net-art

The videos shared on the web are a recent stage in the development of our media culture. Although many of the creators and viewers of online videos consider them as objects of a daily personal activity, with the blurry borders between art and the archive of memory, the simple fact of being on the internet places them in the circle of social communication. Watching videos on the Internet involves reading simultaneous content, such as texts and images, for example, when the video is embedded in a newspaper article or in the middle of still images that alternate with moving scenes of commercials. The computer reading experience often mixes this information with simultaneous images displayed in various areas of the screen. For the internet user, observing a complete image of a temporary object or still image is in practice, an exception. In the words of Andreas Treske, the essential characteristic of an online video is that it never exists alone.

Construcción del sentido del trabajo autónomo en jóvenes profesionistas del estado de Querétaro

In recent years there have been social, economic and political changes and transformations that have strongly influenced the labor field. As a consequence, new forms of work have emerged in response to the new dynamics that arise. The changes in the socioeconomic structure implemented from the flexibility, precarization and professional diversification have given way to atypical forms of work. Since then, labour relations and structures have evolved and various dynamics have been deployed, one of which is self-employment. This research aims to make visible the sense of working that is given to this growing form of atypical work. It focuses specifically on young professional adults. In this sense, it seeks to explore different ways in which work can be signified and experienced in its everyday life.

El lenguaje y los personajes en la creación del legendarium en la narrativa de J. R. R. Tolkien

El presente artículo bosqueja el contexto de creación del legendarium de J. R. R. Tolkien, a través de las ejemplificaciones del lenguaje, los personajes mitológicos y la manera en que éstos se interrelacionan en las obras sobre la Tierra Media. El lenguaje posibilita la construcción de los fundamentos de la ideología de Tolkien, a lo cual se suman los personajes mitólogicos que conforman el universo creado por este autor. Este universo se muestra más visiblemente en las obras de El Señor de los Anillos y El Silmarilion. El artículo inicia con una breve biografía de Tolkien, además de la cronología de publicación de sus obras, que se van complementando entre sí. La manera de narrar de Tolkien elabora el sustento de la construcción total de un mundo nuevo sostenido por sus personajes y su lenguaje.

Nanovacunas en acuicultura, una alternativa para el manejo de enfermedades

Among the aquaculture activity, which is among the most important in the world, there are factors that impede the expected development and cause losses of millions of dollars. One of these factors is vibriosis, one of the most infectious diseases and it has a great impact on this activity. The objective of this article is to expose the characteristics of this disease that damages fish in tropical and subtropical zones around the world, in addition to exposing all the existent vaccines to try to eradicate it. There are currently 26 vaccines in commercial use, but most are aimed at the Atlantic salmon and many other fish species have been left unprotected, in addition to the high costs of vaccine production. In spite of the existence of these antibiotics to treat vibriosis, improper use has resulted in the creation of more harmful strains.

Importancia de prácticas profesionales para la formación de competencias en bachillerato tecnológico

The objective of this research was to evaluate the level of competence mastery in students from three specialties of technological baccalaureate who carried out their professional practice in some companies in Ciudad Victoria, Tamaulipas during the February semester July 2019. The methodology designed is interdisciplinary, this means that it implies or deals with content from different fields and relates them. It also has a quantitative approach, since an instrument that assesses the competence mastery is used. Among the main results highlights that the level of competence mastery is, on average, autonomous for accounting and logistics technical degrees, while it is basic for clinical laboratory degree. In addition, it was found that the average grades of students who did internships were higher than those who did not.

El patrimonio biocultural de la selva baja caducifolia, Sierra de Huautla, Morelos: The biocultural heritage of the deciduous lowland forest, Sierra de Huautla, Morelos.

La selva baja caducifolia (sbc) es el tipo de vegetación tropical con mayor distribución en México. En el caso del estado de Morelos, la mayor superficie se encuentra en la región de la Reserva de la Biosfera Sierra de Huautla (rebiosh). El presente artículo describe la riqueza natural que alberga esta área natural, pero también expone la importancia sociocultural de su diversidad biológica para los habitantes de la región, los cuales aprovechan diferentes recursos naturales mediante la práctica de distintas actividades productivas primarias. Uno de los temas importantes es la conservación de la sbc. Ésta no sólo debe basarse en criterios biológicos para el diseño de las estrategias prioritarias; también debe integrar las necesidades e intereses de las comunidades campesinas.

La gobernanza como principio de gobierno y convivencia social

Se exponen las razones por las cuales se debe considerar adquirir la gobernanza como herramienta de gobierno para la integración social de los sujetos y una convivencia con los demás. Se explica cada uno de los elementos de este principio, que son el mecado, el Estado y la sociedad. Los dos primeros elementos tienen una estructura de poder; el mercado se rige por las leyes del capitalismo, y el Estado se rige por la legitimidad. Lo que busca la gobernanza es una nueva forma de gobierno que se base en la cooperación en vez de las jerarquias de poder, atender la complejidad de la realidad social y evitar los procesos de fragmentación que se manifiestan como consecuencia de las dinámicas individualistas.

Integración sensorial para reducir la ansiedad en trastornos del espectro autista

Los trastornos de espectro autista (TEA) son trastornos del neurodesarrollo que, de acuerdo con el Manual Diagnóstico Estadístico de Enfermedades Mentales (DMS-5), se caracterizan por deficiencias persistentes en la comunicación social, la interacción social, y patrones restrictivos y repetitivos de conductas, entre las cuales se encuentran algunas ocasionadas por hiper o hiporreactividad sensorial. La prevalencia de TEA se ha incrementado de manera sustancial. Los Centros de Control y Prevención de Enfermedades (CDC, por sus siglas en inglés), a través del National Health Statistics Report (2015), estiman una prevalencia de 2.24% o uno por cada 45 niños con TEA. En México, la Clínica Mexicana de Autismo (CLIMA) reporta, en León, Guanajuato, una prevalencia de uno por cada 115 casos. La incidencia ha cobrado un notable interés en áreas de la salud y la educación, siendo esta última la encargada de proporcionar atención integral a los tea a través de la educación especial.

Riqueza fitoplanctónica en el lago Zempoala del Parque Nacional Lagunas de Zempoala

This study examines the richness of phytoplanktonic species found in one of the aquifers of the Lagunas de Zempoala National Park. The samples were carried out monthly from September 2018 to February 2019. During this period, 26 species integrated in seven divisions, 20 families and seven classes were recognized, among which the Bacillariophyceae class stands out with the greatest diversity (eight species). The species Staurastrum bulbosum was the most frequent throughout the study. In terms of temporal diversity, October presented 15 species and September 13, these variations have to do with changes in abiotic conditions throughout the year. According to previous work, the lake Zempoala can be classified as mesotrophic with periods of eutrophy mainly related to the availability of nutrients and algal blossoming.