Publications
Governance and Regulations in the Integration of Local Communities for the Authenticity and Integrity of the Cultural Heritage of the Royal Hill of Ambohimanga, Madagascar
Local community integration is crucial for preserving the authenticity and integrity of UNESCO World Heritage Sites, as demonstrated by the Royal Hill of Ambohimanga in Madagascar. This site, listed in 2001, combines a fortified royal city, traditional and colonial architecture, ritual sanctuaries (Doany), and natural forest remnants, reflecting deep Austronesian and African cultural and spiritual imprints. The study reveals that coordinated governance involving both institutional and community actors, alongside the recognition of traditional systems like rituals and ancestral cults, is essential to maintain the site's outstanding universal value. This approach ensures the preservation of its associative cultural landscape while incorporating values of identity and sacredness inherent in local practices.
Diverse values and benefits of urban sacred natural sites
Urban sacred natural sites, which are found globally and provide both spiritual and ecological benefits, face increasing pressure from urbanization. Despite their diversity across cultures—spanning locations like Swayambhu (Nepal), Meiji Jingu (Japan), Ambohimanga (Madagascar), and Krakus Mound (Poland)—these sites share common features such as sacred tree species and symbolic boundary markers. Some, including Ambohimanga, have been designated UNESCO World Heritage Sites, which has boosted tourism but also highlighted the need for conservation strategies that account for their multifaceted roles, serving local ceremonies, residents, and visitors alike. The study emphasizes the importance of recognizing the varied management systems and stakeholders associated with these sites to ensure their long-term preservation.
Assessing geo-hydrological hazards with Remote sensing data in Antananarivo (Madagascar) historical center
A detailed geo-hydrological hazard mapping of Antananarivo's Upper Town, including the UNESCO-listed Royal Hill of Ambohimanga, reveals critical susceptibility to landslides and flooding during Madagascar's rainy season (November–May). The study combines field surveys, high-resolution satellite imagery (0.5 m Pleiades-1A), and digital terrain models (2–1 m resolution) within a GIS framework to create a comprehensive geodatabase. This tool enables precise risk assessment for the preservation of historical heritage, such as Ambohimanga's fortifications and the Rova royal palace complex, which face heightened threats from tropical storms and cyclones—highlighted by the 2015 event that displaced over 20,000 residents.
Produire un espace sacré : controverses autour du site de la colline royale d’Ambohimanga à Madagascar
Ambohimanga, Madagascar's sacred royal hill inscribed on the UNESCO World Heritage List in 2001, exemplifies how such sites become complex spatial constructs with multifaceted interpretations. Through Henri Lefebvre's triadic analysis—practices of space, representations of space, and spaces of representation—the study reveals Ambohimanga as a hybrid space serving religious, national, and touristic functions simultaneously. This duality arises from its designation as a global heritage site, which exposes it to diverse interpretations while maintaining its sacred significance for local communities.
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