Periclimenes murcielagensis, new species, a pontoniine shrimp living on black coral colonies, occurs at depths of 25 m at Isla San Pedrito, Archipielago de las Islas Murcielago, Guanacaste, Costa Rica. This new species is ...

Seasonal changes in growth, biomass, abundance and reproduction of brown algae have been reported from subtropical and temperate regions, but there are very few reports from tropical regions, and none from the Eastern ...

Coral reefs, one of the most biologically diverse and important ecosystems on Earth, are experiencing unprecedented and increasing ecological decline, yet the fish faunas of such reefs and other tropical shoreline habitats ...

A central goal of comparative phylogeography is determining whether codistributed species experienced (1) concerted evolutionary responses to past geological and climatic events, indicated by congruent spatial and temporal ...

We report 3He/4He ratios, relative He, Ne, and CO2 abundances as well as N13C values for volatiles from the volcanic output along the Costa Rica and Nicaragua segments of the Central American arc utilising fumaroles, geothermal ...

Scientists are trying to understand why the West Nile epidemic has exploded this year--and how the spread of the virus might be stopped. One researcher says studying the secret lives of mosquitoes might help find some ...

Soil gas radon measurements were performed at Las Pailas geothermal area using a real time electronic radon detector (Durridge Model Rad 7). The statistical analysis of the 259 collected data shows at least four populations, ...

The importance of local participation in biodiversity governance was recently recognised by the International Union for Conservation of Nature (IUCN) through the incorporation of Indigenous Peoples’ and Local Community ...

The Área de Conservación Guanacaste (ACG, Guanacaste Conservation Area) in northwestern Costa Rica in Central America was created to protect in perpetuity the rich natural diversity found there. The ACG contains an entire ...