This study analyzes three textbooks that were used to teach English to eighth graders in Ecuadorian public secondary schools from 1993 to midyear of 2019. The textbooks in question included Our World Through English (OWTE) ...

This document aims to show a rational process to estimate the load generated by the vibratory torque of an Internal Combustion Engine (ICE). As consequence, being able to design the structure of the engine bed. In this ...

All chemical, biochemical, and biological processes depend on pH. Since the 1920s, when the first electrode was introduced to determine the concentration of hydrogen ions, pH measurement techniques have been evolving to ...

Taxonomic monographs synthesize biodiversity knowledge and document biodiversity change through recent and geological time for a particular organismal group, sometimes also incorporating cultural and place based ...

We investigated how the phylogenetic structure of Amazonian plant communities varies along an edaphic gradient within the non-inundated forests. Forty localities were sampled on three terrain types representing two ...

Antimicrobial peptides consist mainly of membrane-active sequences, which are potentially relevant to antibiotic resistance era. In this context, a novel family of peptides isolated from the skin secretion of Cruziohyla ...

Laboratory-based practical classes are an essential component in teaching molecular biology for undergraduate students. Universidad Regional Amazonica Ikiam is a higher education institution located in the Ecuadorian Amazon ...

Forest conservation is of particular concern in tropical regions where a large refuge of biodiversity is still existing. These areas are threatened by deforestation, forest degradation and fragmentation. Especially, pressures ...

The Tropical Montane Cloud Forests (TMCF) of South America are ecosystems facing rapid changes due to global warming. Herein, we used species climatic niche models to reconstruct the climatic boundaries of TMCF and to ...

El turismo ecológico nace a partir de las nuevas tendencias y del interés de visita a las áreas naturales, poco intervenidas y con la presencia de una alta biodiversidad (natural y cultural), cuyas actividades se enmarquen ...