A non-profit volunteer organization: includes list of ecological conservation projects, ecotours; nature photos.

A conservation organization comprised of businesses and property owners, financing the protection of biologically diverse natural areas.

Detailed geographic and ecological information on this area of the country, including indigenous species, environmental threats, bibliography, and photos.

Project to study socio-economic impacts of land use and hydrological change in tropical montane cloud forest areas of the Lake Arenal watershed. Includes a list of the collaborating institutions and a photo gallery.

Report on academic research project on rainforest establishment in abandoned pastures. Discusses birds, plants, and soil.

A network of institutions and field research stations, with bibliography, descriptions and contact info.

USGS descriptions and location map, eruption histories.

Information about various rainforest animals, earth science and literature.

A project organized for collecting, mounting and identification of specimens of flies and mosquitoes. Includes information about the staff and facilities, sampling sites, and publications.

Map showing location of sites, with detailed information on importance, biological and hydrological description, human uses, and conservation programs.

Organization using agro-forestry to preserve tropical rainforests. Describes project of sustainably harvesting butterfly pupae for sale to conservatories with pictures and descriptions of many tropical butterfly species.

Photos and descriptions to aid in identification of the regional species.

San Vito, Coto Brus, Puntarenas. Organization offers research, internships and community assistance with conservation, ecology, marketing and sustainable agricultural development.

Non-profit, tax-exempt organization promoting the preservation of land in Costa Rica and elsewhere in Latin America, using donated funds, corporate sponsorship, and volunteers. Information in English and Spanish.

Research, teaching and education institution located on the edge of the Piedras Blancas National Park. Lists programs and publications, with information on visiting or donating. [English/German]

Multi-organizational workshop on the climate and socio-economic conditions of the San Juan River Basin. Includes field investigations and technical reports with maps.

A large scale inventory of arthropod diversity in the lowland tropical rainforest of La Selva. Includes a history and description of the laboratory facilities, information management and research publications.

Works for the conservation of the marine ecosystems of Costa Rica through environmental education, research and influence in management policies.

Biological conservation and research facilities

Electronic virtual library covering a selected collection of Costa Rican scientific journals. Includes browsing tools for serials and articles. [English/Spanish/Portuguese]

A private nature reserve created to preserve biodiversity in the tropical cloud forest adjoining the Chirripó Pacifico river on the slopes of Mt. Chirripó. Describes site ecology and reforestation project.

Dedicated to preserving, reforesting, and establishing habitats for endangered species in the tropics. Information about current projects, news, membership and volunteering.

Brief descriptions of each of the volcanoes in the Guanacaste Range.

General discussion of volcanic activity in the country, followed by a list of major structures, with photos and descriptions.

Photos of birds, animals, and landscapes.