Search
Now showing items 751-760 of 1251
Geomorphological evolution between 1948 and 2012 of the térraba-sierpe delta, Costa Rica
(Cuaternario y Geomorfologia, 2016)
The Térraba-Sierpe delta is located at the geographic coordinates 8° 47” North Latitude and 83° 38” West Longitude at the southeast of Costa Rica. It is a delta system formed by the sediments carried from the largest river ...
Impactos socioeconómicos y aspectos ambientales del Programa de Conservación de la Biodiversidad (PCB)
(Universidad Nacional, Costa Rica, 2022-07)
Evalua el impacto socioeconómico y los principales aspectos ambientales del PCB, en sus 113 contratos ejecutados en las Regiones Operativas de Guanacaste Norte, Huetar Norte, Caribe y Península de Osa, para conocer el ...
Analytical and rheological studies of modified gel dosimeters exposed to X-ray beams
(Elsevier Science, 2016-07)
The need to know the dose of X-rays to be applied to patients suffering diseases such as cancer requires accurate and stable dosimetric devices. Currently, the use of gelatin-based dosimeters has yielded excellent results ...
Evaluación técnica y económica de tres métodos de producción de plantas de almácigo de café (Coffea Arábica L. Var. Obatá) “obatá” en condiciones semicontroladas en el Valle Central de Costa Rica
(Escuela de Ciencias Agrarias, 2020-08)
Entender la forma de desarrollar un buen almácigo de café para la renovación de un cafetal,
garantiza la calidad y alta productividad a futuro. Desde hace unos años 15 años se encuentran
registros de diversos ensayos ...
Propuesta para el mejoramiento de los barrios degradados, en busca de una regeneración urbana en el distrito León XIII, Tibás, 2015.
(Escuela de Ciencias Geográficas, 2015)
Abordar una propuesta técnica de regeneración urbana, para el mejoramiento barrial en el distrito León XIII del cantón Tibás, bajo el enfoque de la geografía y utilizando metodologías y herramientas aprendidas durante la ...
Who is where in the Plastisphere, and why does it matter?
(Wiley Periodicals, 2020-04-24)
To fully understand how plastic is affecting the ocean, we need to understand how
marine life interacts directly with it. Besides their ecological relevance, microbes
can affect the distribution, degradation and transfer ...
Database biomarkers measured in bees exposed to insecticides
(Universidad Nacional, Costa Rica, 2023-02-02)
Open database with raw data presented in a scientific paper. Biomarkers measured in bees exposed to three insecticides.
Not Only Toxic but Repellent: What Can Organisms’ Responses Tell Us about Contamination and What Are the Ecological Consequences When They Flee from an Environment?
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-12-12)
The ability of aquatic organisms to sense the surrounding environment chemically and
interpret such signals correctly is crucial for their ecological niche and survival. Although it is
an oversimplification of the ...
Social context for workplace health promotion: feasibility considerations in Costa Rica, Finland, Germany, Spain and Sweden
(Oxford Academic, 2003-06-01)
We constructed a simple, flexible procedure that facilitates the pre-assessment of feasibility of workplace health promotion (WHP) programmes. It evaluates cancer hazards, workers’ need for hazard reduction, acceptability ...
Kidney function in rice workers exposed to heat and dehydration in Costa Rica
(MDPI, 2022-04-19)
The aim of this study was to evaluate heat exposure, dehydration, and kidney function in rice workers over the course of three months, in Guanacaste, Costa Rica. We collected biological and questionnaire data across a ...