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Reproductive biology of Phragmipedium longifolium and floral anatomy associated with pollinators attraction in the genus
(2019)
Phragmipedium is a genus with 21 species restricted to the tropics and subtropics from Central and South America. As it is a genus capable of producing seeds from both self- and cross-pollinated flowers, it is an ideal ...
Impacto Humano en la Atmósfera.
(1996)
El texto trata sobre el concepto de cambio global, que se refiere a las interacciones de los procesos que regulan el funcionamiento del sistema tierra y cómo la actividad humana los afecta. Se explica que el cambio global ...
QA Programme of the TLD laboratory of the University of Costa Rica: IEC 61066 testing
(2008)
The Thermoluminescence Personal Dosimetry Laboratory of the University of Costa Rica provides dose measurements for around 90% of occupational radiation workers in the country. The assessment of doses to workers routinely ...
Relación entre algunos factores del índice de fragilidad ambiental (IFA) por geoaptitud (decreto N° 32967) y los posibles efectos derivados del cambio climático.
(XLI Mini-Congreso (VI-805-A5-719) del Centro de Investigaciones Geofísicas, 2014-11-20)
Actualmente en Costa Rica existe una normativa legal que sirve de base para la viabilidad de los planes reguladores en función de la fragilidad ambiental. El decreto ejecutivo N°32967 aprobado en el 2006 y de aplicación ...
Clasificación climática para la vertiente Caribe costarricense
Climate Classification for the Costa Rican's Caribbean side
(Memorias del VII Congreso de la Red Latinoamericana de Ciencias Ambientales. Instituto Tecnológico de Costa Rica, San Carlos, Costa Rica. 11-15 de noviembre de 2013., 2013-11)
Abstract
The aim of this work is to develop a climate classification for the Costa Rican’s
Caribbean watershed using 82 both manual and automatic meteorological stations. The hydrologic balance is the base of the applied ...
The Pleurothallidinae: extremely high speciation driven by pollination adaptation
(2019)
The generic and subgeneric classification of Pleurothallidinae has traditionally been a hazardous task. The main challenge has been understanding the underlying relationships of the immensely diverse, +5100 accepted species ...
Floral anatomy and evolution of pollination syndromes in Lepanthes and close relatives
(2019-07)
Pleurothallidinae is the largest Neotropical orchid subtribe encompassing >5100 species that are mainly dipteran-pollinated. Various pollination syndromes, targeting hump-backed flies (Phoridae), fungal gnats (Sciaridae), ...
Evolution of a group of coronal holes associated with eruption of nearby prominences and CMEs
(2014-01-06)
We present the results of detailed study of a set of activities developed on one of three enclosed sectors of solar region during the period of February 07-13, 2012. We found the sequence of certain topological perturbations ...
Local divisibility and model completeness of a theory of real closed rings
Divisibilité locale et modèle complétude en théorie des anneaux réels-clos
(2021-01)
Let T∗ be the theory of lattice-ordered rings convex in von Neumann regular real closed f-rings, without minimal idempotents (non zero) that are divisible-projectable and sc-regular. I introduce a binary relation describing ...
Tendencias hacia condiciones hidrológicas más secas en Centroamérica (1982- 2005)
(2013-11-11)
Se presenta un resumen de los resultados de proyecciones hidrológicas de 30 modelos de circulación general (MCG) a final de siglo y se analizan si varios parámetros hidrometeorológicos presentan tendencias (1982-2005) ...