Results 21 to 30 of about 22,107 (199)

Relationship between Diffuse CO2 Degassing and Volcanic Activity. Case Study of the Poás, Irazú, and Turrialba Volcanoes, Costa Rica

open access: yesFrontiers in Earth Science, 2017
Active volcanoes exhibit diffuse gas emanations through the ground, the most abundant species of which is CO2. However, the relationship between diffuse degassing and volcanic activity is not often clear and some volcanoes may have low diffuse degassing ...
Matthieu Epiard   +5 more
doaj   +1 more source

Siete preguntas de actualidad sobre el manejo inte. grado de plagas en América Latina.

open access: yesAgronomía Mesoamericana, 2016
Se discuten los siguientes temas relacionados con el Manejo Integrado de Plagas (MIP): el concepto de integración, la no funcionalidad de los umbrales económicos; la relación del MIP con la sostenibilidad y la biodiversidad; el potencial de la industria ...
Luko Hilje
doaj   +1 more source

Phenotypic Description of Theobroma cacao L. for Yield and Vigor Traits From 34 Hybrid Families in Costa Rica Based on the Genetic Basis of the Parental Population

open access: yesFrontiers in Plant Science, 2018
A comprehensive understanding of the genetic basis of target traits in any crop is critical to design breeding strategies for the development and release of new improved varieties.
Guiliana M. Mustiga   +5 more
doaj   +1 more source

Feeding and fertilization practices and greenhouse gas emissions in specialized dairy farms of Dos Pinos in Costa Rica

open access: yesTropical Grasslands-Forrajes Tropicales, 2016
Emissions of methane (CH4) and nitrous oxide (N2O) based on the feeding systems of 104 dairy farms in Costa Rica were estimated using IPCC procedures. This study indicated that farmers’ decisions, which determine the feeding strategies for lactating cows,
Michel A. Wattiaux   +4 more
doaj   +1 more source

Percepciones en torno al volcanismo en Costa Rica (siglos XIX al XXI): De lo místico a lo profano, entre la curiosidad y el morbo

open access: yesRevista de Estudios Latinoamericanos sobre Reducción del Riesgo de Desastres
Se analizan los discursos relativos a casos específicos de actividad volcánica en Costa Rica publicados en la prensa entre los siglos XIX y XXI, con el propósito de identificar cambios en la percepción hacia el volcanismo. Se constató cómo, a finales del
Mauricio M. Mora   +2 more
doaj   +1 more source

Disturbance and the elevation ranges of woody plant species in the mountains of Costa Rica

open access: yesEcology and Evolution, 2019
Aim To understand how disturbance—here defined as a transient reduction in competition—can shape plant distributions along elevation gradients. Theory suggests that disturbance may increase elevation ranges, especially at the lower range limits, through ...
Miguel Muñoz Mazón   +7 more
doaj   +1 more source

An assessment of climate change impacts on the tropical forests of Central America using the Holdridge Life Zone (HLZ) land classification system

open access: yesiForest - Biogeosciences and Forestry, 2013
Ecological models have predicted shifts in forest biomes, yet there have been very few studies that have looked at the implications on carbon stocks due to these shifts.
Khatun K, Imbach P, Zamora J
doaj   +1 more source

Good data are not enough: Understanding limited information use for climate risk and food security management in Guatemala

open access: yesClimate Risk Management, 2020
Climate extremes are one of the main drivers of acute food insecurity. In Guatemala, acute food insecurity reaches alarming levels when the usual dry period during the bimodal rainy seasons is extended or starts earlier than expected.
Anna Müller   +7 more
doaj   +1 more source

Los puentes en Angostura, Turrialba

open access: yesRevista Comunicación, 2017
<p>En Costa Rica, uno de los anhelos de varios gobernantes y en particular de Braulio Carrillo, fue construir un buen camino entre el Valle Central y la costa del Caribe, para favorecer tanto la exportación como la importación de bienes y mercaderías. El camino a Matina, que databa de la época colonial, era inadecuado y, además, obligaba a cruzar
openaire   +6 more sources

Deforestation for food production [PDF]

open access: yes, 2019
Deforestation contributes to carbon emissions and therefore to climate change. Within food systems, agricultural production is the stage which plays the largest role in deforestation and forest degradation, and it is therefore the focus of this chapter ...
Betbeder, Julie   +3 more
core   +1 more source

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