Social-ecological dynamics of aggregate mining in Ouagadougou, Burkina Faso.

Katharina Salomea Hemmler, Wendinkonté Elisé Gustave Tarpaga, Oussama Himmy, Andreas Buerkert

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Katharina Salomea HemmlerOrganic Plant Production and Agroecosystems Research in the Tropics and Subtropics, Universität Kassel, Steinstrasse 19, 37213, Witzenhausen, Germany.

Wendinkonté Elisé Gustave TarpagaUnité de Formation et de Recherche en Sciences de la Vie et de la Terre (UFR-SVT), Université Joseph KI-ZERBO, 03 BP 7021, Ouagadougou 03, Burkina Faso.

Oussama HimmyOrganic Plant Production and Agroecosystems Research in the Tropics and Subtropics, Universität Kassel, Steinstrasse 19, 37213, Witzenhausen, Germany.

Andreas BuerkertOrganic Plant Production and Agroecosystems Research in the Tropics and Subtropics, Universität Kassel, Steinstrasse 19, 37213, Witzenhausen, Germany. buerkert@uni-kassel.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

While traditional materials like clay-based adobe bricks are common in Burkina Faso, rapid urbanization in its capital, Ouagadougou, has driven a shift to more durable construction materials. The city's demand for aggregates - sand, gravel, and crushed stone - is met by several mechanized and artisanal quarries. To assess the scope and processes of these extraction systems as well as the socio-economic and environmental implications of two artisanal granite quarries (Pissy and Yagma) in Ouagadougou, we employed a mixed-methods approach, including truck counts, aerial imagery for 3D volume estimation, interviews, and air quality measurements. Our findings indicate that sand is predominantly sourced from south of Ouagadougou, with transport distances reaching up to 165 km and an extrapolated annual extraction volume of 1.8 million m

Indexed as

Artisanal quarryInformal sectorResource extractionSandUrbanizationWest Africa

Identifiers

PMID40295621

DOI10.1038/s41598-025-98929-6

PMCPMC12037907

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