11 articles in this issue
Sheila Serrano, Ignacio de los Ríos
Editorial
Leonardo Ordóñez-Delgado, Claudia Ramón-Vivanco, Valeria Ortiz-Chalan
The Podocarpus National Park is one of the most important and biggest protected areas of the tropical Andes of southern Ecuador. For a long time, this reserve has been the center of attention for a large number of researchers, who among other elements hav... see more
Pablo Sandoval-Guillén, Patricio Yánez-Moretta
The Andean bear (Tremarctosornatus) has inhabited South America for more than ?ve million years, and he is the only living representative of the short-nosed bears, a group that only lived on the American continent. In Ecuador he is considered an endangere... see more
Victor Hugo Sánchez, Jose Luis Zambrano Mendoza
Knowledge of the effects that technologies have on society is the essential input to motivate the development of science, since it provides inputs to policy makers to project the impact of future investments. In Ecuador, the main public center in charge o... see more
Orlando Roberto Quinteros Pozo, Ricardo José Di Masso, Pablo Roberto Marini
The objective of the present work was to evaluate the growth pattern during the first gestation of heifers crossed with Brahman father and different maternal genotype, in the Ecuadorian Amazon. Retrospective data of 2304 individual weights of 48 dairy cow... see more
Santiago Xavier Miranda, Christian Albuja, Humberto Tríbulo
The objective of this research was to evaluate the relationship between different levels of subclinical mastitis with the early gestation lost during the first 90 post-insemination days in Holstein dairy cattle. The research was made on a dairy farm locat... see more
Mercy Lucila Ilbay, Ricardo Zubieta Barragán, Waldo Lavado-Casimiro
The aggressiveness of the rain contributes to the erosivity of the soil in high mountain regions, and therefore to the sedimentation in the lower part of the watershed. The reduction of uncertainty about the aggressiveness of rain in coastal and Andean re... see more
Carlos Jefferson Valdiviezo, Luis Eduardo Romero Hidalgo, Stefanie Michelle Bonilla Bermeo
Sacha Inchi (Plukenetia Volubilis) (SI) is a plant native from Peru. The fruit of this plant is an oilseed than contains a high content of oil, this oil is rich in unsaturated fatty acids (91.6%) being one of the seeds that contain this type of fat in gre... see more
Lenin Javier Ramirez-Cando, Sabrina Estefania Chicaiza Ramírez, Allan David Ramos López, César Iván Álvarez
The activities carried out in daily living, such as personal hygiene and health care, they may cause negative effects on the ecosystem, generating alterations on the environment given that consumed several substances of different origin and chemical compo... see more
Christian Franco Crespo, Lilian Morales Carrasco, Nelson Lascano Aimacaña, Alejandra Cuesta Chávez
The agrarian structure in Ecuador has an unequal access to land. The growth of livestock production within small and medium farms has been constant in recent years, as well as the feminization of the agriculture. In the Sierra of Ecuador, these processes ... see more
Gustavo Ernesto Navas Ruilova, Robinson Llerena Paz, Fernando Vaca
One of the most influence parameters in poverty is the poor quality of education. The systematic study of poverty is essential to improve the implementation of plans and projects. Since 2005, Ecuador began the “Project to improve education conditions, sch... see more