Tetra Tech’s land tenure and property rights experts examine how weak land and resource governance can fuel drivers of violent extremism. With a focus on the African Sahel, this new issue brief finds this dynamic is especially prevalent when land and resource governance challenges are coupled with environmental disruptions, resource scarcity, or migration.
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Library ResourceReports & ResearchMay, 2019Algeria, Sudan, Western Sahara, Eritrea, Ethiopia, South Sudan, Cameroon, Central African Republic, Chad, Burkina Faso, Mali, Mauritania, Niger, Nigeria, Senegal
Library ResourcePolicy Papers & BriefsDecember, 2007Nigeria
Resource-poor farmers in developing nations cultivate marginal lands, thereby exacerbating the problem of soil degradation through poor plant growth and ground coverage. An assessment of ground cover under such a practice will provide a guideline for soil conservation. Ground cover by leguminous cover crops (e.g., Mucuna pruriens, Pueraria phaseoloides and Vigna unguiculata), associated with yam, maize and rice was measured in three different experiments in southwestern Nigeria using beaded-string method while leaf area was measured using a flat-bed scanner.
Library ResourceJournal Articles & BooksDecember, 2009Algeria, Sudan, Burkina Faso, Nigeria, Mauritania, Chad, Mali, Cameroon, Senegal, Central African Republic, South Sudan, Ethiopia, Niger, Eritrea
Library ResourceJournal Articles & BooksDecember, 2010Algeria, Burkina Faso, Nigeria, Mauritania, Mali, Senegal, Ethiopia, Niger, Uruguay, Eritrea, Cameroon, Chad, Central African Republic, South Sudan, Sudan, Brazil, Africa, South America
For over a decade, the globalisation of environmental, economic and social issues has induced rapid modification in agriculture and land. These changes raise the question of future extensive livestock systems in regards to the worldwide challenge to double livestock production by 2050 in ways which are safe for the environment. In order to better understand and follow modification processes, a comparative study of livestock systems and land dynamics has been carried out on seven case studies on three continents through the use of a common grid.
Library ResourceJournal Articles & BooksDecember, 2013Nigeria
Basically, climate change refers to any change in climate overtime, generally caused by natural variability and/or human activities. It has great devastating impact, particularly on agriculture and by extrapolation on farmers and the national economy. The frontline agricultural extension workers are expected to be among the principal stakeholders to teach farmers how to cope with climate change.
Library ResourceMultimediaAugust, 2018Latvia, Nigeria
Rural households are displaced from their lands without any plan in place to resettle or compensate them, for a promise of improvement in their living standards. This has not only resulted in a decline in the living standard of the rural populace, in terms of loss of land and livelihoods, the poor are also further marginalized and impoverished. This study examines the welfare implication of domestic land grabs among rural households in Delta State, Nigeria, employing primary data obtained from one hundred and seventy-three representative farming households.
Library ResourceJournal Articles & BooksJune, 2015Algeria, Sudan, Burkina Faso, Nigeria, Mauritania, Chad, Mali, Cameroon, Senegal, Central African Republic, South Sudan, Ethiopia, Niger, Eritrea
Library ResourcePolicy Papers & BriefsMay, 2008Nigeria
Stochastic frontier analysis was used to examine input demand elasticities and determinants of technical inefficiency of rainfed farmers in Nigeria. Allocative efficiency of the factor inputs was computed using the marginal value product. Our results show that herbicide has the highest elasticities. It is followed by seeds, fertilizers and land. Labour has the least contribution to the output. None of the respondents optimally allocated the inputs. A large number of the farmers underutilized the variables land, seeds, fertilizer and herbicide, whereas numerous farmers over-utilized labour.
Library ResourceJournal Articles & BooksDecember, 2010Algeria, France, Nigeria, Mauritania, Mali, Burkina Faso, Senegal, Ethiopia, Niger, Eritrea, Sudan, Cameroon, Central African Republic, South Sudan, Chad, Europe, Africa, Central America, South America
We propose a flexible and adaptable framework to assist the quick design of models dealing with the durability of the extensive livestock systems at the territorial scale. This metamodel results from the collaborative design starting from MAS developed on 7 sites in Latin America, France and Senegal. It is composed of four packages: Agent, Community, Space and Vegetation-Herd. We illustrate these packages with examples extracted from the various models. The role of this tool is discussed in order to show its advantages and its limits
Library ResourceJournal Articles & BooksDecember, 2006Algeria, Sudan, Burkina Faso, Nigeria, Mauritania, Chad, Mali, Cameroon, Senegal, Central African Republic, South Sudan, Ethiopia, Niger, Eritrea
Trees in the Agrarian Systems of the Sahelian Zone of Niger: Management Practices, Benefits and Constraints. In the Sahelian regions, tree is an integrated part of the farming systems. The present study concerns the tree management practices, their benefits and constraints. A survey was conducted in 7 village sites of the southwestern part of Niger according to a southnorth aridity gradient in order to understand how rural people manage trees in their farms. The objective was to analyse the systems, tree management practices, benefits and constraints.
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