Resultados de búsqueda - "The Ants"

How do climbing beans fit in farming systems of the eastern highlands of Uganda? Understanding opportunities and constraints at farm level por Ronner, E., Descheemaeker, Katrien K., Marinus, W., Almekinders, Conny J.M., Ebanyat, Peter, Giller, Kenneth E.

“…We established current food self-sufficiency, income, investment costs and labour, and assessed the ex-ante, farm-level impact of four climbing bean options on these indicators. …”
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Geographic distribution and abundance of the Afrotropical subterranean scale insect Stictococcus vayssierei (Hemiptera: Stictococcidae), a pest of root and tuber crops in the Congo... por Doumtsop, A.R., Hanna, R., Tindo, M., Tata-Hangy, W.K., Fotso, A.K., Fiaboe, K.K.M., Fomena, A., Kemga, A., Normark, B.B.

“…Where present, the scale was frequently (87.1% of the sites) attended by the ant Anoplolepis tenella. High densities (>1000 scales per plant) were recorded along the Cameroon–Gabon border. …”
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Agricultural development addresses food loss and waste while reducing greenhouse gas emissions por Galford, Gillian L., Peña, Olivia, Sullivan, Amanda K, Nash, Julie, Gurwick, Noel, Pirolli, Gillian, Richards, Meryl B., White, Julianna M., Wollenberg, Eva Karoline

“…This was a unique opportunity to conduct ex-ante estimates of the impacts of FLW interventions across 20 value chains in 12 countries, based on project documents and interviews with USAID and project staff. …”
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Farm typology analysis and technology assessment: an application in an arid region of South Asia por Kumar, S., Craufurd, Peter Q., Haileslassie, Amare, Ramilan, T., Rathore, A., Whitbread, Anthony M.

“…Specifically, the study: (i) characterized farm household typologies based on the diversity of livelihood assets; (ii) co-designed context- specific interventions through an iterative participatory process; and (iii) ex-ante evaluated such interventions to inform multiple stakeholders. …”
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Stochastic impact evaluation of an irrigation development intervention in Northern Ethiopia por Yigzaw, Negusse, Mburu, John, Ackello-Ogutu, Chris, Whitney, Cory W., Luedeling, Eike

“…Irrigation plays a significant role in achieving food and nutrition security in dry regions. However, detailed ex-ante appraisals of irrigation development investments are required to efficiently allocate resources and optimize returns on investment. …”
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Boletín Centroamericano, Clima y Agricultura No.2 por Comité Regional de Recursos Hidráulicos, Sistema de la Integración Centroamericana, Consejo Agropecuario Centroamericano, Alianza Bioversity Internacional y el CIAT, CGIAR Research Program on Climate Change, Agriculture and Food Security

“…Durante este Foro se desarrolló la mesa de Agricultura y Café en la cual se discutieron los impactos que las condiciones pronosticadas del clima para los próximos 3 meses podían producir y se generaron recomendaciones para el sector agrícola, particularmente ante el contexto de COVID19.…”
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Understanding and evaluating the impact of integrated problem-oriented research programmes: Concepts and considerations por Belcher, B., Hughes, K.

“…This includes nested project- and programme-scale theories of change (ToCs); research quality assessment; theory-based outcome evaluations to empirically test ToCs and assess policy, institutional, and practice influence; experimental and quasi-experimental impact of FTA-informed ‘large n’ innovations; ex ante impact assessment to estimate potential impacts at scale; and logically and plausibly linking programme-level outcomes to secondary data on development and conservation status.…”
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Unrelenting games: Multiple negotiations and landscape transformations in the tropical peatlands of Central Kalimantan, Indonesia por Sanders, A.J.P., Ford, R.M., Mulyani, L., Prasti H., R.D., Larson, A.M., Jagau, Y., Keenan, R.J.

“…The study drew on actor-network theory (ANT) and combined an ethnographic approach with document analysis for understanding how these landscape transformations and land allocation for large concessions has left a legacy of continuing uncertainty and conflict over land. …”
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El mercado Latinoamericano de semillas forrajeras: desarrollos, tendencias y oportunidades futuras por Gallo Caro, Irieleth, Enciso, Karen, Díaz, Manuel Francisco, Burkart, Stefan

“…Ante el escenario del crecimiento demográfico mundial, el aumento del poder adquisitivo y una mayor demanda de carne, el futuro de la ganadería bovina se percibe con importantes retos futuros, enfocándose principalmente en los métodos que promueven la intensificación sostenible de la producción. …”
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The economic contribution of CGIAR germplasm health units to international agricultural research: the example of rice blast disease in Bangladesh por Enriquez, Y., Smale, M., Jamora, Nelissa, Hossain, M., Kumar, P. Lava

“…Then we use a farm-level panel dataset collected between 2013 to 2016 and data on blast incidence collected from field surveys in 2011 to 2012 to conduct an ex-ante economic surplus analysis in a productivity maintenance framework. …”
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Calibrated Models for Major Crops and Cropping System using Existing Datasets in Morocco and Uzbekistan por Devkota, Krishna, Devkota Wasti, Mina Kumari

“…Crop and Cropping System Models are a valuable ex-ante decision support tool which generates useful outputs for the precision agricultural management, provides decision for climate change mitigation and adaptation with ecosystem services, and also provides decision for institutional and policy reform (Fig. 1). …”
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COVID-19 and food (in)security in Africa: Review of the emerging empirical evidence por Tabe-Ojong, Martin Paul Jr., Nshakira-Rukundo, Emmanuel, Gebrekidan, Bisrat Haile

“…This review provides evidence that COVID-19 is associated with food insecurity both ex-ante and ex-durante. There are many attempts to suggest this relationship may be causal with some robust methods in some contexts, but data limitations prevail which constrains causal learning. …”
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A network-driven data collection approach for agri-food value chains por Ambler, Kate, Bloem, Jeffrey R., de Brauw, Alan, Herskowitz, Sylvan, Wagner, Julia

“…Moreover, we have limited ex ante knowledge about the structure or scale of these networks, which complicates the construction of valid sampling frames and limits traditional random sampling approaches to collect data. …”
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Identification of optimal investments por Lividini, Keith, Fiedler, John L., Zeller, Manfred, Asare-Marfo, Dorene, Funes, José, Birol, Ekin

“…HarvestPlus is also conducting ex ante micronutrient intervention portfolio analyses, designed to simulate the implementation and impact of a biofortification program in countries which have been identified as suitable candidates for investment. …”
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Impact of third-party enforcement of contracts in agricultural markets—A field experiment in Vietnam por Saenger, Christoph, Torero, Máximo, Qaim, Matin

“…Their approach, designed ex ante, is a theoretically ideal approach to constructing a valid counterfactual and to ensuring that there is no selection bias, given that the farmers are randomly assigned to treatment (beneficiaries) and control groups. …”
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The role of trees for sustainable management of less-favored lands: the case of eucalyptus in Ethiopia por Jagger, Pamela, Pender, John L.

“…In this paper, we review the debate about the ecological impacts of eucalyptus trees, as well as the economic factors that influence whether smallholders invest in these trees. Ex ante benefit-cost analysis based on community level survey data from Tigray illustrates that under most conditions planting eucalyptus trees yields high rates of return, well above 20% under most circumstances. …”
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Agricultura, cambio tecnológico y el medio ambiente en América Latina: una perspectiva de la situación en el año 2020 por Trigo, Eduardo J.

“…Trigo deja en claro que, ante la pérdida de apoyo para la investigación en el sector público, serán necesarias nuevas tecnologías y, quizás de manera aún más crítica, nuevos modelos institucionales destinados a revitalizar la capacidad de la región para generar y difundir tecnologías agrícolas para beneficio de los productores y de la sociedad en general. …”
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Agricultura, cambio tecnológico y el medio ambiente en América Latina: una perspectiva de la situación en el año 2020 por Trigo, Eduardo J.

“…Trigo deja en claro que, ante la pérdida de apoyo para la investigación en el sector público, serán necesarias nuevas tecnologías y, quizás de manera aún más crítica, nuevos modelos institucionales destinados a revitalizar la capacidad de la región para generar y difundir tecnologías agrícolas para beneficio de los productores y de la sociedad en general. …”
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Introducing a genetically modified banana in Uganda: Social benefits, costs, and consumer perceptions por Falck-Zepeda, José B., Kilkuwe, Enoch M., Wesseler, Justus

“…The study applies a real option approach to estimate, ex ante, the maximum incremental social tolerable irreversible costs (MISTICs) that would justify immediate introduction of the technology. …”
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Socieconomic Characteristics of Individuals Afflicted by AIDS-Related Prime-Age Mortality in Zambia por Chapoto, Antony, Jayne, Thomas S.

“…This chapter seeks to determine the ex ante socioeconomic characteristics of individuals who die between the ages of 15 and 59 years of age (hereafter called “prime-age” mortality), using nationally representative panel data on 18,821 individuals in 5,420 households surveyed in 2001 and 2004 in rural Zambia. …”
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