Now showing items 21-30 of 83
Metals in coastal mollusks of Costa Rica
Metales en moluscos costeros de Costa Rica
The input of contaminants to coastal ecosystems is a global problem on the rise. Data on metal pollution from tropical sites is often lacking and pilot surveys are urgently needed to provide a general framework to estimate ...
Leaf and flower essential oil compositions of Gliricidia sepium (Fabaceae) from Costa Rica
Gliricidia is a small genus of flowering plants in the Fabaceae family. Gliricidia sepium is a multipurpose tree native to Mesoamerica and possibly northern South America. The chemical composition of the hydrodistilled ...
Interplay of the PtsN (EIIANtr) protein of Pseudomonas putida with its target sensor kinase KdpD
The nitrogen phosphotransferase system (PTSNtr) of Pseudomonas putida is a multi-component regulatory device that participates in controlling a variety of physiological processes in a post-translational fashion. A general ...
Richness of cultivable endophytic fungi along an altitudinal gradient in wet forests of Costa Rica
We collected various plant species along an altitudinal gradient ranging from 400 to 2900 m in tropical wet forests of Costa Rica, isolated the associated endophytic fungi, and performed bioinformatic analyses to determine ...
A new Muricea species (Cnidaria, Anthozoa, Octocorallia) from the eastern tropical Pacific
The genus Muricea is considered abundant and widely distributed along the eastern Pacific. Its occurrence in shallow waters has been recognised; however species from deeper than 30 m have been rarely recorded. During the ...
Distribución de Brooksithrips chamaedorea Retana-Salazar & Mound 2005 (Thripidae: Thysanoptera) y sus plantas hospederas
Distribution of Brooksithrips chamaedorea Retana-Salazar & Mound 2005 (Thripidae: Thysanoptera) and its host-plants
En este trabajo se informa de la presencia de Brooksithrips chamaedorea RetanaSalazar & Mound 2005 en México. Se presenta la distribución de la especie asociada a sus hospederos informados y la recolecta de esta especie ...
Interannual variability of the midsummer drought in Central America and the connection with sea surface temperatures
The midsummer drought (MSD) in Central America is characterised in order to create annual indexes representing the timing of its phases (start, minimum and end), and other features relevant for MSD forecasting such as the ...
Updated checklist and analysis of completeness of the marine fish fauna of Isla del Coco, Pacific of Costa Rica
Isla del Coco, Costa Rica, is one of the five groups of oceanic islands of the Eastern Tropical Pacific (ETP), and is considered one of the most diverse. Since the mid-19th century, it has been the target of a number of ...
Growth and hydrogen production of outdoor cultures of Synechocystis PCC 6803
Synechocystis sp. PCC 6803, a freshwater cyanobacterium, was cultivated outdoors in a 50 L tubular photobioreactor to study the acclimation of cells to solar light in cultures grown at different initial mean biomass ...
Cambios en la cobertura de manglares en Bahía Culebra, Pacífico Norte de Costa Rica (1945-2010)
Changes in mangrove coverage in Culebra Bay, North Pacific of Costa Rica (1945-2010)
Los manglares tienen gran importancia ecológica, económica, riqueza natural y prestan servicios ambientales. No obstante, son amenazados por la sobreexplotación, la contaminación y el cambio de uso de suelo. Costa Rica ...