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Objetivo: Determinar la cantidad y disponibilidad de estiércol liberado en traspatios en Santa María Nepopualco, Huejotzingo, Puebla; conocer el nivel de apreciación y preferencia que tienen los productores por el uso de abonos orgánicos, los efectos…

Aunque existe una gran cantidad de trabajos que reportan la fitotoxicidad presente en fertilizantes orgánicos, pocos se han realizado con residuos pecuarios, más específicamente con estiércoles. El presente estudio tuvo por objetivo determinar el…

Species with large geographic distributions present a challenge for phylogeographic studies due to the logistic difficulties of obtaining adequate samples. Daphnia O.F. Müller (Anomopoda: Daphniidae) is a model genus for evolutionary biology and…

Although members of genus Daphnia (Anomopoda, Daphniidae) are the most common water invertebrates and are considered as model organisms for many taxonomic, ecological and evolutionary studies their systematics remains unresolved. Here, morphological…

The biological significance of regional cladoceran morphotypes in the montane regions of the central Palearctic remains poorly understood. In the Holarctic Daphnia longispina complex (Cladocera: Daphniidae), several variants, lineages and species…

Due to the recent evolution of the COVID-19 outbreak, the scientific community is making efforts to analyse models for understanding the present situation and for predicting future scenarios. In this paper, we propose a forced…

The purpose is to conduct a comparative analysis of an empirical study of the perception of personal security threats in the context of the COVID-19 pandemic, conducted by a team of scientists at Stanford University School of Medicine (California),…

We used quantified electroencephalography (qEEG) to define the features of encephalopathy in patients released from the intensive care unit after severe illness from COVID-19. Artifact-free 120–300 s epoch lengths were visually identified and divided…

The current growth of the human population, the intensification of animal production, climate change or globalization favors an increase in the transmission of infectious diseases. Risk analysis is the tool that allows the identification of the…

On Wednesday, March 11 th , the whole world was put on hold when the World Health Organization officially announced the beginning of a new pandemic generated by the SARS-COV-2 Coronavirus. Even if rumors about a new coronavirus appeared in Wuhan,…