 | 1991 - 634 páginas
Se esbozan los objetivos , metas de trabajo , áreas de investigación y se delínea la estrategia que el Centro podría seguir en el desarrollo ... CR - INFORAT 40857 KEOGH , R.M. Changes in the forest cover of Costa Rica through history . | |
 | 552 páginas
HISTORICAL AND SPATIAL PATTERNS OF DEFORESTATION AND FRAGMENTATION IN GUANACASTE PROVINCE , COSTA RICA : CHARACTERIZATION AND GENETIC ... According to Janzen ( 1986 ) , only around 2 per cent of the original forest cover remains . | |
 | Marijke Kuiper - 1996 - 180 páginas
In 1979 forest was the principal use of the land , whereas in 1987 it comprised only 15 percent of the area . ... From 1970 to 1989 the rate of deforestation in Costa Rica has been extremely high , varying between 1.2 and 1.8 percent of ... | |
 | Hernán Cortés Salas - 1995 - 324 páginas
Deforestation and changing land use patterns in Costa Rica . In Changing tropical forests : Historical perspectives on today's challenges in Central and South America . H.K. Steen , R.P. Tucker ( Eds . ) . Durham , NC , Forest History ... | |
 | 26 páginas
For example , more than 60 % of the timber currently harvested legally in Costa Rica comes from the Atlantic Moist Forests of that country ( G. Chaves , personal communication , National System of Conservation Areas , Ministry of ... | |
 | 24 páginas
La Selva : Ecology and Natural History of a Tropical Rain Forest . ... D.B. , Clark , D.A. , Rich , P.M. , Vega , G .: Light environment , gas exchange and annual growth of saplings of three species of rain forest trees in Costa Rica . | |
 | 90 páginas
The second section analyzes the project's history and influence in Costa Rica and El Salvador . ... development stressing agricultural exports which has dictated the clearance of large areas of forest for agricultural production . | |
 | E.W. Schinkel - 1994 - 146 páginas
GENERAL ASPECTS OF THE ATLANTIC ZONE OF COSTA RICA 2.1 Introduction The Atlantic Zone is situated in the eastern part of Costa Rica . It can roughly be divided into a large coastal plain in the east and an extremely mountainous area in ... | |
 | Hernán Cortés-Salas, Ronnie de Camino, Arnoldo H. Contreras - 1995 - 302 páginas
Deforestation and changing land use patterns in Costa Rica . In Changing tropical forests : Historical perspectives on today's challenges in Central and South America . H.K. Steen , R.P. Tucker ( Eds . ) . Durham , NC , Forest History ... | |
 | Jochen Heuveldop - 1983 - 108 páginas
Taungya as part of a strategy to change land use Throughout Central America and the Caribbean the original forest has ... Costa Rica , the latter with Cordia alliodora , Gmelina arborea , Eucalyptus deglupta and Terminalia ivorensis ... | |
| |
