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Cartographie sémantique par zonage à dires d’acteurs : Le Ferlo (Sénégal) et l’observatoire de Tessekere

Abstract : The Ferlo territory is increasingly "occupied", humanly, environmentally and institutionally. A mapping based on the perceptions of local stakeholders (ZADA in French, PBRM or Perception-Based Regional Mapping) was carried out to identify the factors that, from the point of view of these stakeholders, structure the spatial organization of this territory and its surroundings: uses, practices, localisms or any other factor identified. By GIS-merging together all the maps obtained, each corresponding to an interview, we obtain a spatialized database on the determinants structuring this territory. Although the structural, ecological and socio-historical elements remain and even tend towards the specialization of territories into production 'countries', the short 2-months period herds graze in the Ferlo and the generalized use of supplementation during the pastoral lean season suggests a reorientation of these herds towards the south. It induces areas of possible tension where the north-south axis of transhumance and the West-East axis of agricultural colonization intersect. This experimental method allows us to reflect on the role of environmental observatories and the Ferlo in particular.
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Submitted on : Friday, February 11, 2022 - 7:05:52 PM
Last modification on : Monday, July 4, 2022 - 8:54:40 AM
Long-term archiving on: : Thursday, May 12, 2022 - 7:22:41 PM

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Mehdi Saqalli, Amadou Hamath Diallo, Doryan Kaced, Mahamadou Belem, Raoul Iopue, et al.. Cartographie sémantique par zonage à dires d’acteurs : Le Ferlo (Sénégal) et l’observatoire de Tessekere. VertigO : La Revue Électronique en Sciences de l'Environnement, VertigO, 2021, 21 (2), ⟨10.4000/vertigo.32655⟩. ⟨hal-03565478⟩

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