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Income Vulnerability of West African Farming Households to Losses in Pollination Services: A Case Study from Ouagadougou, Burkina Faso

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Organic Plant Production and Agroecosystems Research in the Tropics and Subtropics (OPATS), Universität Kassel, Steinstrasse 19, 37213 Witzenhausen, Germany
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Institute of Development Research and Development Policy, Ruhr-Universität Bochum, 44801 Bochum, Germany
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Institute of Biological Sciences, Department of Botany and Botanical Garden, University of Rostock, 18051 Rostock, Germany
*
Author to whom correspondence should be addressed.
Sustainability 2018, 10(11), 4253; https://doi.org/10.3390/su10114253
Received: 25 October 2018 / Revised: 11 November 2018 / Accepted: 15 November 2018 / Published: 17 November 2018
(This article belongs to the Section Sustainable Urban and Rural Development)
Urban and peri-urban agriculture (UPA) in West African countries is developing rapidly in response to population growth and changing consumer preferences. Furthermore, UPA offers opportunities to secure income and social integration for the urban poor. However, little is known about household (HH) income security effects of the ongoing shift in UPA land use from crops that do not rely on insect pollinators for fruit development (e.g., sorghum and millet) to pollinator-dependent crops. In our study we developed a Household Vulnerability Index (HVI) for 224 HHs along a rural–urban gradient of Ouagadougou, Burkina Faso. The HVI indicates to which degree total HH revenue could be affected by a decline in insect pollinators. HH specific relative reduction of agricultural revenue ranged from 0 to −0.83, a reduction in HHs’ revenue of up to 83%, depending on the crops’ level of pollinator dependency. Half of the studied HHs (n = 108) showed an HVI of 0 and remained unaffected by a decline in pollinators. Nevertheless, mean HVI was highest for urban HHs; making these HHs most vulnerable for loss of pollination services. As in urban areas changes in insect-mediated pollination services are expected, the development of resilient UPA systems must consider “pollinator-friendly” landscape management. View Full-Text
Keywords: food crops; pollinator dependency; smallholder; sub-Saharan Africa; urbanization; urban agriculture; yield loss food crops; pollinator dependency; smallholder; sub-Saharan Africa; urbanization; urban agriculture; yield loss
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MDPI and ACS Style

Stenchly, K.; Hansen, M.V.; Stein, K.; Buerkert, A.; Loewenstein, W. Income Vulnerability of West African Farming Households to Losses in Pollination Services: A Case Study from Ouagadougou, Burkina Faso. Sustainability 2018, 10, 4253.

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