The microclimate of evergreen riparian forest along the Rio Potrero below a large waterfall is briefly contrasted with microclimate of the adjacent deciduous forest in the dry season and wet season. Near the ' end of ...

My goal is to understand the ecological significance of seed chemistry to the seed and to its potential consumers and to identify some of the selection pressures by seed predators that may lead to and maintain chemical ...

We may assume that the degree of spatial and temporal heterogeneity of tropical crop plants will influence their harvest by insects and by man. 'The question then becomes one of recognizing those types of heterogeneity that ...

It seems to be generally &ought that horses, being cursorial, intelligent, and with good vision, find their way about largely through the use of their eyes and their memory. While there is no doubt that a horse uses its ...

A monoculture forest of Pterocarpus officina/is is described in the Corcovado National Park, Costa Rica. An area of 999 m2 contained 66 living large saplings and adults of P. officina/is; seedling density can be as high ...

It has been suggested that secondary substances in plants form cffective defences against herbivores. This hyputhesis can be tested through experimental field and laboratory studies. For example, it has been shown ...

Colonial ascidians of the genus Didemnum are common fouling organisms and are typically associated with degraded ecosystems and anthropogenic structures installed in the sea. In this study, however, the non-indigenous ...

When horse dung containing the large seeds of Enterolobium cyclocarpum (the guanacaste tree) was experimentally placed in a tropical deciduous forest in Costa Rica (Santa Rosa National Park), Liomys salvini (Heteromyidae) ...

Hydrologic connectivity refers to water-mediated transfer of matter, energy, and/or organisms within or between elements of the hydrologic cycle (sensu Pringle 2001). While this property is essential to maintaining the ...

The many components of conservation through biodiversity development of a large complex tropical wildland, Area de Conservacion Guanacaste (ACG), thrive on knowing what is its biodiversity and natural history. For 32 years ...