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Ley Reguladora de Investigación Biomédica (9234) Valoración de los alcances desde el Comité Ético Científico de la Universidad Nacional
(Universidad Nacional (Costa Rica) Escuela de Filosofía, 2019)
Planea un informe de pasantía, realizada en la oficina del CEC de la Universidad Nacional (CECUNA), se exponen los resultados obtenidos a partir de la comparación de elementos representativos (normativa, protocolos y la ...
Playas críticas por erosión costera en el caribe sur de Costa Rica, durante el periodo 2005-2016
(Universidad Nacional, Costa Rica, 2019-12-07)
Desde el 2010 en la prensa local se ha venido reportando un proceso acelerado de erosión en playas arenosas del litoral caribeño costarricense, que incluso ha sido documentado al interior de las áreas protegidas. Para ...
A Sensitivity Analysis of the Application of Integrated Species Distribution Models to Mobile Species: A Case Study with the Endangered Baird's Tapir
(Cambridge University Press, 2019-04-21)
Species distribution models (SDMs) are statistical tools used to develop continuous predictions of species occurrence. 'Integrated SDMs' (ISDMs) are an elaboration of this approach with potential advantages that allow for ...
Modelo de un sistema de gestión integrado bajo las normas INTE-ISO/IEC 17025:2017 e INTE/ISO 31000:2011 para laboratorios de ensayo con vinculación externa de la Universidad Nacional
(Universidad Nacional, Costa Rica, 2019)
Este proyecto de graduación tiene como objetivo principal el de proponer un modelo de sistema de gestión integrado para laboratorios de ensayo con vinculación externa de la Universidad Nacional en las normas INTE-ISO/IEC ...
What are the Main Sensor Methods for Quantifying Pesticides in Agricultural Activities? A Review
(Multidisciplinary Digital Publishing Institute, 2019-07-23)
In recent years, there has been an increase in pesticide use to improve crop production
due to the growth of agricultural activities. Consequently, various pesticides have been present
in the environment for an extended ...
Altitudinal and seasonal distribution of butterflies (Lepidoptera, papilionoidea) in cerro bufa el diente, Tamaulipas, Mexico
(Pensoft Publishers, 2019-12-31)
Butterflies are one of the most recognized and useful groups for the monitoring and establishment of important conservation areas and management policies. In the present study, we estimate the richness and diversity, as ...
Efecto del biocarbón, lombricompost y Robust® aplicados al suelo sobre el desarrollo y tolerancia del pepino (Cucumis sativus L.) a la mosca blanca (Bemisia tabaci Gennadius) bajo condiciones de invernadero en Barva, Heredia.
(Universidad Nacional, 2019-01)
Este estudio evaluó el efecto individual y combinado del biocarbón, lombricompost y
Robust® (Pseudomonas fluorescens y Bacillus subtilis), sobre el desarrollo (crecimiento,
producción de hojas, biomasa y concentraciones ...
Bush Dogs in Central America: Recent Range Expansion, Cryptic Distribution, or Both?
(SAGE Publications Inc., 2019-05-01)
Bush dogs (Speothos venaticus) are a small, wide-ranging neotropical pack-hunting canid whose ecology is relatively poorly known. Here, we document new, repeated observations of bush dog groups in east-central (Barbilla ...
Determining nature’s contributions to achieve the sustainable development goals
(Springer Tokyo, 2019-03-01)
Academics and policy-makers recognize that humans and nature should be studied and managed as integrated social–ecological systems. Recently, the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem ...
Seasonal use of waterholes and pathways by macrofauna in the dry forest of Costa Rica
(Cambridge University Press, 2019-03-01)
Temporal and spatial scarcity of water in semi-arid and seasonal ecosystems often leads to
changes in movements and behaviour of large vertebrates, and in the neotropics this dynamic
is poorly understood due to logistical ...