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Hydrological behavior in land use, erosion modeling, and perception of interest groups in the erosive process in the Purires river micro basin, Cartago, Costa Rica
No full textTesis (M. Sc) -- CATIE, Turrialba (Costa Rica), 2013En el presente estudio se evaluó el comportamiento hidrológico en tres usos de suelo (bosque secundario, pasto y cultivo), la modelación de la Producción de sedimentos, y la determinación de la percepción de algunos grupos de interés sobre el proceso erosivo en la microcuenca del río Purires. In this research, it was evaluated the hydrological behavior in three land uses (secondary forest, pasture and crop), sediment production modeling, and the determination of the perception of interest groups about erosive process in the micro basin of the Purires river
Servicios ambientales de los cacaotales centroamericanos : resultados de investigación al alcance de las comunidades cacaoteras
No full text3 tabulaciones, 20 página
Synergies and trade-offs between ecosystem services in Costa Rica
No full textEcosystems services have become a key concept
in understanding the way humans benefit from
ecosystems. In Costa Rica, a pioneer national
scheme of payment provides compensation for forest
conservation that is assumed to jointly produce
services related to biodiversity conservation, carbon
storage, water and scenic beauty, but little is known
about the spatial correlations among these services.
A spatial assessment, at national scale and with fine
resolution, identified the spatial congruence between
these services, by considering the biophysical potential
of service provision and socioeconomic demand.
Services have different spatial distributions but are
positively correlated. Spatial synergies exist between
current policies (national parks and the payment
scheme) and the conservation of ecosystem services:
national parks and areas receiving payments provide
more services than other areas. Biodiversity hotspots
have the highest co-benefits for other services, while
carbon hotspots have the lowest. This finding calls for
cautiousness in relation to expectations that forestbased
mitigation initiatives such as REDD (reducing
emissions from deforestation and forest degradation)
can automatically maximize bundled co-benefits for
biodiversity and local ecosystem services
Local perceptions of degradation in rangelands from a livestock farming community in Chiapas, Mexico
No full textThe farmer’s perception was analyzed about degradation of pastures in the Francisco Villa I community, Jiquipilas municipality, Chiapas. The community is located in the nearby area of the biosphere reservation La Sepultura. The study was conducted between December 2008 and July 2009. The approach was related to agricultural anthropology and ethnography. Semi-structured interviews were carried out, and
three communitarian workshops were organized. The information was systematized in tables and figures of tendencies for its analysis according to three times: past, present, and future of communitarian livestock rearing. The farmers were characterized by having rangelands and livestock, living in the community permanently, and willing to be involved in the process of analysis of this research. The results showed that farmers perceive the current degradation of their rangelands as an aspect intrinsic to the practice of the livestock system with diverse impacts. However, in regards to the past, they did not perceive relevant or significant changes in their rangelands. Farmers were optimistic in regards to the future, because they perceived that their rangelands were little degraded. The reason was the presence of operating elements supporting communitarian livestock rearing. They considered as very relevant the implementation of “less harming” practices, although they showed that the lack of technical advising and economic resources was an important limitation. It was concluded that, in Francisco Villa I, there are differences in the perceptions of degradation, but basically from the productive perspective. The individual experience as to livestock management, the family income, the availability of economic resources to be invested, and the level of environmental consciousness are the causes for the differences in the perception of rangeland degradation
Estudio de caso en el rancho Buenavilla, Chiapas, México: Una opción silvopastoril para la ganadería del trópico, cría y reproducción de ovinos en asocio con cultivo de Mango ataulfo (Mangifera indica)
No full textPonencia presentada en: VII Congresso Latinoamericano de Sistemas Agroflorestais para a Producao Pecuária Sustentáve
Policy Measures for Mitigation and Adaptation in Cattle Production Systems in the Humid and Subhumid Tropics of Latin America
No full textEn: Proceedings of the Symposium on Mitigating Greenhouse Gas Emissions from Animal Production: a Policy Agenda. Asunción, Paraguay, 6-7 May 200
Análisis de la productividad y la contribución financiera del componente arbóreo en pequeñas y medianas fincas ganaderas de la subcuenca del río Copán, Honduras
No full textSe evaluó la productividad actual y potencial de los árboles maderables de sistemas silvopastoriles (SSP) en 35 fincas ganaderas (medianas y pequeñas), de la subcuenca del río Copán, Honduras,
mediante un inventario de brinzales, latizales y fustales. Se encontró un total de 72 especies arbóreas pertenecientes a 62 géneros y 35 familias, de las cuales el 29% (21 especies), son consideradas maderables con valor comercial. El mayor potencial maderable comercial fue encontrado en el SSP de pasturas con árboles dispersos de Pinus oocarpa. Este SSP es el más abundante en las
fincas estudiadas (77%), con una densidad promedio de latizales y fustales de 156 árboles ha-1 y de 43 brinzales ha-1. De igual forma, presenta un volumen comercial promedio de 71,5 m3 ha-1. De las 35 fincas inventariadas se seleccionaron ocho al azar (cuatro pequeñas y cuatro medianas), para conocer la contribución del componente maderable en la rentabilidad de las mismas. Los análisis financieros mostraron que en el caso de las fincas medianas, la contribución del VAN fue de 384,8 USD ha-1 y para las fincas pequeñas el aporte fue de 269,7 USD ha-1, equivalente a un 27 y 70% adicional a los ingresos obtenidos por la actividad ganadera, respectivamente.Se evaluó la productividad actual y potencial de los árboles maderables de sistemas silvopastoriles (SSP) en 35 fincas ganaderas (medianas y pequeñas), de la subcuenca del río Copán, Honduras, mediante un inventario de brinzales, latizales y fustales. Se encontró un total de 72 especies arbóreas pertenecientes a 62 géneros y 35 familias, de las cuales el 29% (21 especies), son consideradas maderables con valor comercial. El mayor potencial maderable comercial fue encontrado en el SSP de pasturas con árboles dispersos de Pinus oocarpa. Este SSP es el más abundante en las
fincas estudiadas (77%), con una densidad promedio de latizales y fustales de 156 árboles ha-1 y de 43 brinzales ha-1. De igual forma, presenta un volumen comercial promedio de 71,5 m3 ha-1. De las 35 fincas inventariadas se seleccionaron ocho al azar (cuatro pequeñas y cuatro medianas), para conocer la contribución del componente maderable en la rentabilidad de las mismas. Los análisis financieros mostraron que en el caso de las fincas medianas, la contribución del VAN fue de 384,8 USD ha-1 y para las fincas pequeñas el aporte fue de 269,7 USD ha-1, equivalente a un 27 y 70% adicional a los ingresos obtenidos por la actividad ganadera, respectivamente.Current and potential productivity of timber from silvopastoral systems (SPS) was evaluated in 35 cattle farms (medium and small) of the basin of Rio Copan, Honduras, through an inventory of seedlings, saplings and taper. It was found a total of 72 tree species belonging to 62 genera and 35 families, of which 29% (21 species) are considered commercially valuable timber. The greatest potential for commercial timber production was found in the SPS of pasture with scattered trees of Pinus oocarpa. This SPS is the most abundant in the farms studied (77%), with an average density of saplings and adult trees of 156 trees ha-1 and 43 seedlings ha-1. It also possesses on average of 71.5 m3 ha-1 of standing commercial volume. Eight of the 35 farms were selected randomly (four small and four medium), to determine the contribution of timber to farm profitability. The financial analysis showed that in the case of medium sized farms, the contribution to NPV was 384.8 USD ha-1 and for small farms 269.7 USD ha-1, equivalent to 27 and 70% additional NPV, respectively.CATIE (Centro Agronómico Tropical de Investigación y Enseñanza
Importance of silvopastoral systems for mitigation of climate change and harnessing of environmental benefits
No full textCapítulo X de libro "Grassland Carbon Sequestration: Management, Policy and Economics