Resultados de búsqueda - "empirical evidence"

What is the vulnerability of a food system to global environmental change? por Ericksen, Polly J.

“…Further development and use of this approach is a promising avenue for future research because empirical evidence is needed to further elaborate these understandings.…”
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The role of livestock in food security and environmental protection por Ehui, Simeon K., Li Pun, H.H., Mares, V., Shapiro, Barry I.

“…All too often, however, allegations about the detrimental impact of livestock on the environment are exaggerated or unfounded. Available empirical evidence does not establish a direct and negative relationship between livestock and the environment in a global context. …”
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The geographic and sectoral patterns of large-scale farmland investments in sub-Saharan Africa por Schoneveld, George C.

“…While much has been written on the phenomenon, scant reliable empirical evidence is available as to the precise geographic and sectoral patterns and underlying drivers. …”
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Women's rights to land and communal forest tenure: A way forward for research and policy agenda in Latin America por Bose, P., Larson, A.M., Lastarria-Cornhiel, S., Radel, C., Schmink, M., Schmook, B., Vázquez García, V.

“…Based on the key lessons from the empirical evidence, we map out a way forward for the research agenda and suggest a few key institutional and policy priorities for rural Latin America.…”
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Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia por Ibanez, Marcela, Blackman, Allen

“…However, these notional benefits can be undercut by self-selection: the tendency of relatively wealthy farmers already meeting eco-certification standards to disproportionately participate. Empirical evidence on this matter is scarce. Using original farm-level survey data along with matching and difference-in-differences matching models, we analyze the producer-level effects of organic coffee certification in southeast Colombia. …”
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Bioversity International nutrition strategy 2011-2021: Resilient food and nutrition systems: analyzing the role of agricultural biodiversity in enhancing human nutrition and health por Bioversity International

“…The research agenda is being expanded under Bioversity’s 2011-2021 Nutrition Strategy to develop strong methodological and empirical evidence on how agricultural biodiversity contributes to dietary diversity and nutrition with downstream livelihood and ecosystem benefits. …”
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The state of agricultural extension services in Ethiopia and their contribution to agricultural productivity por Berhane, Guush, Ragasa, Catherine, Abate, Gashaw T., Assefa, Thomas

“…We document the state of the extension system in Ethiopia and review the empirical evidence on the links between the key extension services provided, adoption of modern inputs, and agricultural productivity. …”
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Why agriculture remains a viable means of poverty reduction in sub-Saharan Africa: The case of Ethiopia por Dorosh, Paul A., Mellor, John W.

“…Although there is much empirical evidence of the importance of agricultureled economic growth, there is a renewed emphasis in development circles on the industrial sector as the main driver of growth, even for the low‐income countries of sub‐Saharan Africa. …”
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Climate risk management through sustainable land management in Sub-Saharan Africa por Nkonya, Ephraim M., Place, Frank, Pender, John L., Mwanjololo, Majaliwa, Okhimamhe, Appollonia, Kato, Edward, Crespo, Susana, Ndjeunga, Jupiter, Traore, Sibiry

“…Empirical evidence has shown that farmers can adapt to climate change by using sustainable land and water management (SLWM) practices that provide local mitigation benefits, reducing or offsetting the negative effects of climate change at the level of the plot, farm, or even landscape. …”
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Program participation under means-testing and self-selection targeting methods por Coady, David, Parker, Susan W.

“…Yet there is still very little empirical evidence on the nature and magnitude of the trade-offs between program coverage of the eligible population and targeting performance, especially for developing countries. …”
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Allocation of goods through non-price mechanisms: evidence on distribution by willingness to wait por Alderman, Harold

“…The mechanism of such a market has been discussed by Barzel and by Nichols, Smolensky and Tideman, but little empirical evidence has been reported. Estimation of consumer demand in such a market is presented here. …”
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Review of impact assessments on women's economic empowerment and technology adoption por CGIAR GENDER Impact Platform

“…Impact assessments at CGIAR provide empirical evidence to help policymakers, researchers and stakeholders make informed decisions about which agricultural technologies and practices to promote, scale or invest in. …”
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Shaping the future of rice production in Latin America: Challenges, trends, and strategic priorities to 2050 por Orjuela, Guillermo, Andrade, Robert, Petsakos, Athanasios, Graterol, Eduardo, Alvarez, Maria Fernanda, Gotor, Elisabetta

“…This brief provides an overview of rice production and yield trends across Latin America to 2050, drawing on expert consultations and empirical evidence to examine how biophysical, technological, environmental, and market conditions drive variation in productivity across countries. …”
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When does technological change in agriculture promote deforestation por Angelsen, A., Kaimowitz, D.

“…This chapter attempts to systematically examine some of the main analytical arguments and empirical evidence regarding the impact of technological progress in agriculture on deforestation. …”
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Impacts of land redistribution on land management and productivity in the Ethiopian highlands por Benin, Samuel, Pender, J.L.

“…While the impacts of such redistributions have been hotly debated, little empirical evidence exists concerning the actual impacts of redistribution. …”
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Evolution of livestock production systems in semi-arid West Africa: Evidence from Niger por Shapiro, Barry I., Sanders, J.H.

“…A Discrete Stochastic Sequential Programming (DSSP) model is then presented with empirical evidence regarding the potential at the two sites for livestock Development. …”
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Agroforestry systems: helping smallholders adapt to climate risks while mitigating climate change por Lasco, Rodel, Delfino, R.J.P., Espaldon MLO

“…This article reviews the empirical evidence from various studies on how trees and agroforestry systems enhance smallholders' capacity to adapt to climate risks. …”
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Bioversity International nutrition strategy 2011-2021 [Summary] Resilient food and nutrition systems: analyzing the role of agricultural biodiversity in enhancing human nutrition a... por Bioversity International

“…The research agenda is being expanded under Bioversity’s 2011-2021 Nutrition Strategy to develop strong methodological and empirical evidence on how agricultural biodiversity contributes to dietary diversity and nutrition with downstream livelihood and ecosystem benefits. …”
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From gender analysis to transforming gender norms: Using empowerment pathways to enhance gender equity and food security in Tanzania por Galiè, Alessandra, Kantor, Paula

“…Drawing on studies from Africa, Asia and South America, this book provides empirical evidence and conceptual explorations of the gendered dimensions of food security. …”
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Land Rights and Women's Empowerment in Rural Peru: Insights from Item Response Theory por Montenegro, M.J.

“…Women’s land rights are increasingly advocated as an empowerment tool to spur development outcomes. However, empirical evidence of this relationship is limited. In this study we use data from peasant communities in rural Peru to explore the effect of the intra-household allocation of inherited land on women’s empowerment. …”
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