This paper examines the role of postsecondary agricultural education and training (AET) in sub-Saharan Africa in the context of the region’s agricultural innovation systems. Specifically, the paper looks at how AET in sub-Saharan Africa can contribute to agricultural development by strengthening innovative capacity, or the ability of individuals and organisations to introduce new products and processes that are socially or economically relevant, particularly with respect to smallholder farmers who represent the largest group of agricultural producers in the region.
In developing regions with high levels of poverty and a dependence on climate sensitive agriculture, studies focusing on climate change adaptation, planning, and policy processes, have gained relative importance over the years. This study assesses the impact of farmer perceptions regarding climate change on the use of sustainable agricultural practices as an adaptation strategy in the Chinyanja Triangle, Southern Africa.
Many small-scale irrigation systems are characterized by low yields and deteriorating infrastructure. Interventions often erroneously focus on increasing yields and rehabilitating infrastructure. Small-scale irrigation systems have many of the characteristics of complex socio-ecological systems, with many different actors and numerous interconnected subsystems. However, the limited interaction between the different subsystems and their agents prevents learning and the emergence of more beneficial outcomes.
Les notions de services environnementaux et de services écosystémiques (SE) ont connu un rapide engouement au cours de la dernière décennie et sont à l’origine de nouveaux instruments pour faire face à divers problèmes environnementaux, notamment la déforestation : les dispositifs de Paiements pour Services Environnementaux (PSE). Néanmoins, l’intégration du concept dans les politiques publiques reste un processus rare.
El objetivo de este estudio fue identificar la estructura de la gobernanza para ampliar y consolidar el uso de prácticas de Adaptación basada en Ecosistemas (AbE) en agricultura. Se analizaron tres paisajes productivos distribuidos en tres países (Honduras, Guatemala y Costa Rica), caracterizados por la dedicación a la caficultura de pequeña escala. Para cada uno de estos paisajes se identificaron los actores que intercambian información entre la escala nacional y el nivel de los productores.
Una estrategia para apoyar a las comunidades de pequeños agricultores a adaptarse al cambio climático es el uso de prácticas de Adaptación basada en Ecosistemas (AbE), las cuales integran la conservación, restauración y manejo sostenible de ecosistemas y biodiversidad. Sin embargo, existe poca información de cómo los productores utilizan estas prácticas.
El cambio climático afectará la distribución, productividad y rentabilidad del cultivo de café en América Central, perjudicando las economías nacionales y los medios de vida de los pequeños productores. Es necesario entender cómo el cambio climático está afectando a los pequeños caficultores en la región para promover medidas que permitan enfrentar estos cambios y adaptarse a ellos.
Understanding spatial patterns of land use and land cover is essential for studies addressing biodiversity, climate change and environmental modeling as well as for the design and monitoring of land use policies. The aim of this study was to create a detailed map of land use land cover of the deforested areas of the Brazilian Legal Amazon up to 2008.
One of the most important challenges for the researchers in the 21st Century is related to global heating and climate change that can have as consequence the intensification of natural hazards. Another problem of changes in the Earth's climate is its impact in the agriculture production. In this scenario, application of statistical models as well as development of new methods become very important to aid in the analyses of climate from ground-based stations and outputs of forecasting models. Additionally, remote sensing images have been used to improve the monitoring of crop yields.
Les enjeux liés au changement climatique et à la sécurité alimentaire confortent la nécessité de mettre au point des démarches de conception/évaluation de systèmes durables, qu’il s’agisse d’améliorer les situations existantes ou d’imaginer de nouvelles voies de développement. En régions chaudes, l’élevage remplit aussi des fonctions non productives et doit s’adapter aux aléas et incertitudes.