The study of volcanism in the ocean is fundamental to better understand the dynamics of the Earth mantle and plate tectonics. However, our understanding of this volcanism is limited by difficulties to access the roots ...

In this paper we described fossil dunes found at the Islas Murciélago, Área de Conservación Guanacaste, south of the Santa Elena Peninsula, on the northwest part of Costa Rica. Currently, this region is exposed to strong ...

In the premontane rain forests of northwest Costa Rica, patches of secondary forest can contain high densities of large Vriesea spp. bromeliads. Such patches contain an average of 6,470 ± 1,080 (s.e.) larvae ha-1 of the ...

Growing two long filamentous tails may help an archaeal virus to survive in a hostile environment. Viruses are thought to be functionally inactive once they are outside and independent of their host cell1. Here we ...

A fungus with gelatinous poroid fruiting bodies was found in Puerto Rico and determined by macro- and micromorphology to be most similar to members of the lamellate agaric genus Resupinatus. This species is described as a ...

1. A parataxonomist is a resident, field-based, biodiversity inventory specialist who is largely on-the-job trained out of the rural work force and makes a career of providing specimens and their natural history information ...

Hace algunos meses se suscitó un debate muy interesante entre los usuarios de la lista de discusión de la Red Nacional de Observadores de Aves de Colombia (RNOA). La chispa que encendió la mecha fue un mensaje de un usuario ...

Using satellite sensor data and information from local meteorological stations, a transient upwelling event in the Gulf of Nicoya, Costa Rica, has been observed during the period 6–8 March 1997 in coincidence with strong ...

The chytrid fungus Batrachochytrium dendrobatidis has been implicated in the decline and extinction of numerous frog species worldwide. In Queensland, Australia, it has been proposed as the cause of the decline or apparent ...

Four species of Procyrnea were collected in birds from the Area de Conservacion Guanacaste, Costa Rica. Procyrnea brevicaudata n. sp. in Crypturellus cinnamomeus resembles P. ficheuri, P. murrayi, P. ameerae, P. dollfusi, ...