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Des problèmes au paradis: l'érosion côtière des destinations touristiques d'Unguja
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ISBN10: 6630089707
ISBN13: 9786630089707
Publisher: Editions Notre Savoir
Published: May 18 2026
Pages: 64
Weight: 0.22
Height: 0.15 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786630089707
Publisher: Editions Notre Savoir
Published: May 18 2026
Pages: 64
Weight: 0.22
Height: 0.15 Width: 6.00 Depth: 9.00
Language: French
L'érosion des plages constitue un problème majeur pour le littoral de Zanzibar. Cette étude examine l'état actuel de l'érosion côtière sur les plages de Paje et Nungwi, sur l'île d'Unguja, à Zanzibar. Ces sites ont été choisis en raison de leur popularité en tant que destinations touristiques et de la probabilité d'une influence anthropique significative sur l'évolution du littoral. Des observations sur le terrain ont été effectuées et des indicateurs d'érosion ont été enregistrés lors de transects réalisés sur les deux sites. Des échantillons de sédiments ont été prélevés à intervalles réguliers le long des transects, puis analysés statistiquement à l'Institut des sciences marines afin de déterminer les tendances de la distribution granulométrique. Des entretiens ont été menés auprès des habitants des villages afin d'évaluer la réaction de la communauté, et des entretiens complémentaires ont été réalisés pour mieux comprendre la législation en vigueur concernant l'aménagement du littoral. Les résultats de l'étude montrent que les deux plages subissent une érosion importante due à des forces naturelles et anthropiques. Des recommandations ont été formulées en faveur de nouvelles études sur le transport des sédiments, d'une surveillance accrue de ces plages et d'autres, ainsi que d'une meilleure application des réglementations par les autorités gouvernementales.
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