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First description of macropterous male and female of Cryphocricos latus (Heteroptera: Naucoridae) Usinger
(2013-03-29)
The macropterous male and female of Cryphocricos latus are herein described for the first time; both were collected in Alajuela, Costa Rica. Notes to separate this species from other macropterous species of the genus are given.
Several Tsunami Scenarios at the North Sea and their consequences at the German Bight
(Journal of Tsunami Society International vol.32 no.1 2013, 2013)
Tsunamis occurred in the past at the North Sea, but not frequently. There are historical and geological records of several tsunamis: the Storegga tsunami caused sediment deposits in Scotland 8,000 years ago and records of ...
Behavioral plasticity mitigates risk across environments and predators during anuran metamorphosis
(Behavioral Ecology, 2013)
Most animals metamorphose, changing morphology, physiology, behavior and ecological interactions. Size- and habitat-dependent mortality risk is thought to affect the evolution and plastic expression of metamorphic timing, ...
Integrated curriculum based on projects: Opportunities and constraints a case study in systems engineering
(39th Latin American Computing Conference, CLEI 2013, 2013)
The Universidad Nacional is making significant efforts to improve the professional performance of graduates according to the needs of the society and the industry. In particular, the School of Informatics has been exploring ...
The structure and function of dry weather mangrove on the Pacific Coast of Central America, with emphasis on Avicennia bicolor forests
(Estuaries Research Federation, 2013)
Mangrove forests along the Pacific Coast of Central America cover around 4,000 km2. Most of this coast is occupied with tropical dry forest mangroves where basal areas range between 6 and 20 m2 ha−1 and canopy heights ...
β- decay of 65Mn to 65Fe
(American Physical Society, 2013-10-07)
The low-energy structure of 65Fe has been studied by means of γ and fast-timing spectroscopy at the ISOLDE facility, CERN. A level scheme of 65Fe populated following the β-decay of 65Mn was established for the first time. ...
Scattering of light by colloidal aluminosilicate particles Produces the unusual sky-blue color of Río Celeste (Tenorio Volcano Complex, Costa Rica)
(2013-09-18)
Río Celeste (Sky-Blue River) in Tenorio National Park (Costa Rica), a river that derives from the confluence and mixing of two colorless streams-Río Buenavista (Buenavista River) and Quebrada Agria (Sour Creek)-is renowned ...
An anatomical comparison between bunch and fruit of oil palm with pineapple leaf and three woods from plantations in Costa Rica
(Journal of Oil Palm Research, 2013-04)
Elaeis guineensis, Ananas comusus and forest plantations are planted widely in Costa Rica; however their residues (8000 t) are not utilised. The main objective of this work was to undertake an anatomical description of the ...
Leaf life span spectrum of tropical woody seedlings: effects of light and ontogeny and consequences for survival
(Oxford University Press, Annals of Botany Company, 2013-03-26)
Background and AimsLeaf life span is widely recognized as a key life history trait associated with herbivory resistance, but rigorous comparative data are rare for seedlings. The goal of this study was to examine how light ...
Variación estacional de la composición proximal en tres especies de importancia comercial del Golfo de Nicoya, Puntarenas, Costa Rica
(Universidad de Costa Rica, 2013)
Variación estacional de composición próxima en tres especies de importancia comercial en el Golfo de Nicoya, Puntarenas, Costa Rica. El valor nutricional de los productos del mar para el consumo humano está reconocido ...