Resultados de búsqueda - "Costa Rican"

Ecosystem services and hydroelectricity in Central America: modelling service flows with fuzzy logic and expert knowledge por Locatelli, Bruno, Imbach, Pablo, Vignola, Raffaele, Metzger, M.J., Hidalgo, E. J. L.

“…The objective of this paper is to map the ecosystem services provided to the Costa Rican and Nicaraguan hydroelectric sectors, which are crucial sectors for national sustainable development and depend directly on hydrological ecosystem services. …”
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Biodiversity conservation in cacao agroforestry: medium-sized project por Global Environmental Facility, Oficina San José (Costa Rica)

“…This project is closely linked to the Action Plan of the Costa Rican National Biodiversity Law of April 14, 1998 (No. 12635) on the sustainable use of biodiversity (food security, ecosystem conservation and the improvement of living standards, particularly of rural, indigenous communities). …”
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Comparación de diferentes extractantes para azufre en suelos de Costa Rica por Pérez, A., Oelsligle, D.D.

“…Solutions of calcium phosphate, potassium phosphate, calcium phosphate-acetic acid, calcium phosphate-calcium chloride, ammonium acetate, and sodium bicarbonate-acetic acid, and calcium chloride were tested as extractants for sulfur from 30 Costa Rican soils. Calcium chloride, ammonium acetate and sodium bicarbonate-acetic acid were discarded because of either removing small amounts of sulfur or problems in analizing the filtrate by turbidimetry. …”
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Resiliencia de los ecosistemas naturales terrestres de Costa Rica al cambio climático por Jiménez Méndez, Mildred

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Infectious bronchitis virus and infectious bursal disease virus : a study performed at Universidad Nacional of Costa Rica por Lindahl, Johanna

“…Three viral isolates of Infectious Bronchitis Virus, IBV, were characterized by Restriction Fragment Length Polymorphism (RFLP), one isolate was found to be a Massachusetts strain and the two others a new Costa Rican variant the IBV-CR-53 strain. Sera from 182 wild birds, sampled between 2000 and 2002, were investigated for presence of antibodies to IBV using a blocking ELISA. …”

Cercas vivientes en la agricultura de Costa Rica por Sauer, J.D

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Potencial de depredación de Hypsipyla grandella por hormigas en cafetales de Costa Rica por Varón, E.H., Barbera, N., Hanson, Paul, Carballo, Manuel, Hilje, Luko

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Using medium and large-sized mammals as indicator species to measure connectivity and large infrastructure impacts in Costa Rica por Salom Pérez, Roberto

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Is smuggling welfare-improving? Evidence from avocados in Costa Rica por Metivier, Jeanne, Bouët, Antoine

“…Using unique data on trade, production, and the price of Costa Rican and Mexican avocados, we find that the quantity of avocados smuggled into Costa Rica on an annual basis ranges from 4,668 to 10,232 metric tons, representing up to four times the quantity of locally produced avocados. …”
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Retención de sulfatos en suelos de Costa Rica por Ramírez, E, Oelsligle, D.D

“…In view of the recent importance being given sulfur in the subbumid and humid tropics an exploratory study was conducted fo determine sulfate retention capacities of different sulfate levels in 30 surface Costa Rican soils. The different sites were selected to give a wide range in environmental conditions and soils although the study was not specific for any given area. …”
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Variation in Annual Ring and Wood Anatomy of Six Tree Mangrove Species in the Nicoya Gulf of Costa Rica por Torres-Gómez, Danilo, Cifuentes-Jara, Miguel

“…There is limited information regarding the adaptation of anatomical features and growth ring formation to ecological site conditions in Costa Rican mangrove trees. We used the methods and principles of ecological anatomy to explore the relationship between wood properties (e.g., ring formation, anatomical characteristics) and ecological factors for six mangrove tree species growing in three sites in the Gulf of Nicoya in Costa Rica. …”
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Efecto del encalado sobre las cargas eléctricas y otras propiedades de tres suelos de Costa Rica por Almeida, A.M. de.

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Conocimiento de mujeres y hombres sobre las especies de uso medicinal y alimenticios en huertos caseros de Nicoya, Costa Rica por Ochoa, Lorena, Fassaert, Cécilia, Somarriba, Eduardo, Schlonvolgt, Andrea

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HMP-Coffee: A hierarchical multicriteria model to estimate the profitability for small coffee farming in Colombia por Casilimas, Leidy, Corrales, David Camilo, Solarte Montoya, Mayra, Rahn, Eric, Robin, Marie-Hélène, Aubertot, Jean-Noel, Corrales, Juan Carlos

“…HMP-Coffee was developed by considering the La Sultana farm’s operation in Cauca, Colombia and evaluated with independent data from the Costa Rican Coffee Institute. In the evaluation results, HMP-Coffee achieved 81.72% accuracy, 81.33% precision, 92.30% recall, and 83.46% F-Score. …”
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Evaluations for sustainable forest management: towards an adaptive standard for the evaluation of the ecological sustainability of forest management in Costa Rica por McGinley, Kathleen, Finegan, Bryan

“…Throughout the process of testing and validation there was a clear indication of the need for a realistic distribution of institutional responsibilities for implementation which should include important actors such as forest operators, forest managers, regents, evaluators, research institutions and the Costa Rican State Forestry Administration.…”
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Experiencia de agricultores de Costa Rica con la introducción de árboles maderables en plantaciones de café por Tavares, Fernanda C., Beer, John, Jiménez Otárola, Francisco, Schroth, Goetz, Fonseca, Carlos, Tavares, Fernanda C.

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Diagnosing collective action in Small-Scale Fisheries for the establishment and management of Marine Areas of Responsible Fishing (AMPR) in the Gulf of Nicoya, Costa Rica por Chávez Carrillo, Isis I.

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Marginal Abatement Cost Curves for Latin American dairy production: A Costa Rica case study por Duffy, Colm, Apdini, Titis, Styles, David, Gibbons, James, Peguero, Felipe, Arndt, Claudia, Mazzetto, Andre, Vega, Andres, Chavarro-Lobo, Johan A., y 2 autores más.

“…This study utilises data collected from Costa Rican dairy farmers to conduct a cradle to farm gate Life Cycle Assessment and the first Marginal Abatement Cost Curve (MACC) for dairy production in Latin America. …”
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Above-ground biomass storage potential in primary rain forests managed for timber production in Costa Rica por Morrison Vila, Leslie, Ménager, Matthieu, Finegan, Bryan, Delgado, Diego, Casanoves, Fernando, Ángel, Luis, Salas, Aguilar, Castillo, Mavin, Hernández Sánchez, Luis Gustavo, y 5 autores más.

“…We estimated the AGB of 141 permanent sampling plots in Costa Rican tropical forests (71 plots set up in areas managed for timber production forests and 70 plots set up in areas with intact primary forests) using data for the 2000–2015 period. …”
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Effect of pollarding frequency on biomass of Erythrina poeppigiana as a coffee shade tree por Russo Andrade, Ricardo O., Budowski, Gerardo

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