The fire severity of the 2013–2014 fire season within Sudanian ecosystems in Burkina Faso was evaluated from Landsat 8 images using derivatives of the Normalized Burn Ratio algorithm (NBR). The relationship between the image-derived severity and the field observed severity i.e. Composite Burn Index (CBI) was best described by a nonlinear model of the form y = a + b*EXP(CBI *c) (R2 = 0.66). Classification of the image-derived burned area into burn severity classes achieved a classification Kappa accuracy statistic of 0.56.
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Showing items 1 through 9 of 47.-
Library ResourceJournal Articles & BooksApril, 2017Burkina Faso, Africa, Western Africa
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Library ResourceConference Papers & ReportsMarch, 2017Cameroon, Africa, Western Africa
In Cameroon, rangelands occupy about 20 % of surface area; provide critical habitat to many animal and
plant species; offer many vital goods and services to society and are home to pastoralists, agropastoralists,
crop farmers, fishermen and hunter-gatherers, who for centuries co-existed peacefully. In
recent years this harmony is being threatened by changing land use patterns, poor land use planning and
poor recognition of ownership rights. Despite efforts by state and non-state actors to improve pastoral
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Library ResourceJournal Articles & BooksMarch, 2017Sub-Saharan Africa
Sustainable intensification (SI) is at the forefront of food security discussions as a means to meet the growing demand for agricultural production while conserving land and other resources. A broader definition of SI is emerging that takes into account the human condition, nutrition and social equity. Next steps require identification of indicators and associated metrics, to track progress, assess tradeoffs and identify synergies. Through a systematic, qualitative review of the literature we identified SI indicators, with a primary focus on African smallholder farming systems.
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Library ResourceConference Papers & ReportsMarch, 2017Eastern Africa, Tanzania, Southern Africa
In pastoral societies women face many challenges. Some describe these as a ‘double burden’ – that is, as pastoralists and as women. However, pastoral women may obtain a significant degree of protection from customary law even if customary institutions are male-dominated. In periods of change (economic, social, political), this protection may be lost, and without protection from statutory laws, women are in danger of “falling between two stools” (Adoko and Levine 2009).
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Library ResourceJournal Articles & BooksDecember, 2017Malawi, Mozambique, Zambia, Africa, Southern Africa
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.
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Library ResourceFebruary, 2017Tanzania, Africa, Eastern Africa, Southern Africa
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Library ResourceConference Papers & ReportsJuly, 2017Tanzania, Africa, Eastern Africa, Southern Africa
In pastoral societies women face many challenges. Some describe these as a ‘double burden’ –
that is, as pastoralists and as women. However, pastoral women may obtain a significant degree
of protection from customary law even if customary institutions are male-dominated. In periods
of change (economic, social, political), this protection may be lost, and without protection from
statutory laws, women are in danger of “falling between two stools” (Adoko and Levine 2009). A -
Library ResourceConference Papers & ReportsNovember, 2017Tanzania, Africa, Eastern Africa, Southern Africa
In Tanzania, ongoing land insecurity is a structural cause of food insecurity particularly for
pastoralists, agro-pastoralists and small-scale crop farmers leading to land use conflicts,
compromised access to resources including grazing and water and rangeland degradation.
Land tenure security and management can be improved through village land use planning (VLUP)
and land certification – namely the issuing of certificates of customary rights of occupancy
(CCROs). In situations where villages share resources such as grazing areas and water, joint village -
Library ResourceJournal Articles & BooksOctober, 2017Botswana, Southern Africa, Africa
The objective of this study was to determine the practicality of using linear body measurement traits to predict live weight of goats and sheep under communal grazing in three districts of Botswana, namely Central, Kweneng, and Kgalagadi. Pairwise (Pearson) correlations were estimated using bodyweight (BW) and morphological trait measurements, namely heart girth (HG), shoulder height (SH), and body condition score (BCS) for a sample of 1447 goats and 588 sheep. These ranged from 0.19 to 0.94 for goats and 0.44 to 0.94 for sheep, and were statistically significant.
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Library ResourceReports & ResearchFebruary, 2017Cameroon, Africa, Middle Africa
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