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ISSN: 1390-3799    frecuency : 4   format : Electrónica

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Volume 30 Number 2 Year 2019

11 articles in this issue 

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