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Effects of Erythrina poeppigiana pruning residues on soil organic matter in organic coffee plantations
(CATIE, Turrialba (Costa Rica) University of Wales, Bangor (RU). School of Agricultural and Forest Sciences, 2005)
The effects of Erythrina poeppigiana pruning residue effects on soil organic matter were investigated with three different objectives. Firstly, to study the effects of proximity of this shade tree on soil characteristics ...
Soil biogeochemical patterns in the Talamanca foothills, Costa Rica: local soil knowledge and implications for agroecosystemsTesis de maestría
(CATIE, Turrialba (Costa Rica) University of Idaho, Moscow, ID (EUA), 2008)
3) Quantify the base cation nutrient reserves in aboveground and belowground pools in a cacao agroforestry and a shifting cultivation system to make predications about longâ™\term sustainability and 4) Utilize a ...
Potential of silvopastoral systems for economic dairy production in Cayo, Belize and constraints for their adoption
(CATIE, Turrialba (Costa Rica), 2000)
El presente estudio se realizó en el distrito de Cayo, Belice. Se realizó una encuesta por medio de entrevistas a 40 productores en 12 comunidades en esta área con el objetivo de determinar y cuantificar las características ...
Effects of tropical forest fragmentation on ecology and conservation of migrant and resident birds in lowland Costa Rica
(University of Idaho, Moscow, ID (EUA), Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 2007)
The overall objetive of my research was to understand the value of forest fragments to a diverse group of rainforest birds that depend on lowland tropical rainforest for their survival at one part or all of their annual ...
Inducing resistance of spanish cedar Cedrela odorata L. and mahogany swietenia macrophylla King against y Hypsipyla grandella (Zeller) by grafting
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica)University of Idaho, Moscow, ID (EUA), 2006)
A viable management program to prevent the shootborer Hypsipyla grandella (Zeller) from damaging Swietenia macrophylla King and Cedrela odorata L. wich are the most valuable timber species in Latin America, is currently ...
A geospatial data integration framework for mapping and monitoring tropical landscape diversity in Costa Rica's San Juan-La Selva Biological Corridor
(CATIE, Turrialba (Costa Rica), 2006)
Landcover change has substantially reduced the amount of tropical rain forests since the 1950s. Little is known about the extent of remaining forest types. A multivariate analysis of 144 forest plots across Costa Rica's ...
Comparative study of broadleaf forest in the Rio Bravo Conservation and Management Area, Belize: with an emphasis on the impacts of forest management
(CATIE, Turrialba (Costa Rica), 2007)
Este estudio tuvo como propósito, validar enfoques para establecer los impactos en la estructura y composición del rodal en bosque latífoliados en el Area de Manejo y Conservación de Río Bravo en el noroeste de Belice, ...
Distribution and foraging by the leaf-cutting ant, Atta cephalotes L., in coffee plantations with different types of management and landscape contexts, and alternatives to insecticides for its control
(CATIE, Turrialba (Costa Rica). Universidad de Idaho, ID (EUA), 2006)
Atta cephalotes L., the predominant leaf-cutting ant species found in coffee farMON in the Turrialba region of Costa Rica, is considered a pest of the crop because it removes coffee foliage. I applied agroecosystem and ...
Priority areas for payment for environmental services (PES) in Costa Rica
(CATIE, Turrialba (Costa Rica), 2005)
Se desarrolló una metodología para dar prioridades a las áreas en Costa Rica para recibir Pago por Servicios Ambientales (PSA). El estudio se sustenta en la Ley Forestal de Costa Rica de 1996, que dictamina los servicios ...
Estimation and use of modified prior probabilities for digital classification improvement of tropical forests
(CATIE, Turrialba (Costa Rica), 2000)
This dissertation addresses the problem of tropical forest classification using remotely sensed data. Traditional remote sensing methods have had probleMON for discriminating tropical secondary and disturbed forests. As ...