Monitoring mangrove restoration projects in Senegal, Benin, Costa-Rica, and Philippines using remote sensing

Mangrove restoration projects have multiplied in last decades, but many have failed, and monitoring is often lacking. This paper aims at monitoring six projects in Benin, Senegal, Costa Rica, and the Philippines using remote sensing to evaluate the effectiveness of the studied restoration measures i...

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Vydáno v:URI:https://journals.openedition.org/dynenviron,
Hlavní autoři: Macera, Lisa, Deslarzes, Ken, Crook, Oliver-James, Pioch, Sylvain, Andrieu, Julien
Médium: Article ou chapitre numérique
Jazyk:Anglais
Vydáno: Dynamiques environnementales 2024
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On-line přístup:Accès Université d'Orléans et IFPM
Accès Université d'Orléans et IFPM
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Shrnutí:Mangrove restoration projects have multiplied in last decades, but many have failed, and monitoring is often lacking. This paper aims at monitoring six projects in Benin, Senegal, Costa Rica, and the Philippines using remote sensing to evaluate the effectiveness of the studied restoration measures in terms of increase of mangroves cover. An unsupervised staked classification was performed to discriminate the land cover into four classes: water, dryland, mudflats, and mangroves. Projects combining hydrological restoration and mangrove replanting are the most effective and former aquaculture ponds or salt pan show rapid and regeneration, even without active restoration.