Recherche
Voici les éléments 1-7 de 7
Diversidade da comunidade de plantas invasoras em sistemas agroflorestais com café em Turrialba, Costa Rica
(CATIE, Turrialba (Costa Rica), 2008)
The objective of this work was to evaluate the floristic composition of spontaneous species in coffee (Coffea arabica L.) cultivated in full sun and in agroforestry systems, under organic and conventional management.Twenty ...
Deforestation impacts of environmental services payments: Costa Rica's PSA Program 200-2005
(Environment for Development, 2008)
Costa Rica’s environmental services payments program (Pagos por Servicios Ambientales, or PSA) started in 1997 and was the true pioneer in this area. It is broadly cited and has led to numerous calls for emulating its ...
Anonymity, reciprocity,and conformity: evidence from voluntary contributions to a national park in Costa Rica
(Environment for Development, 2008)
We investigate the role of anonymity, reciprocity, and conformity for voluntary contributions, based on a natural fieldexperiment conducted at a national park in Costa Rica. Contributions made in public in front of the ...