Impact of the seismo-volcanic crisis offshore Mayotte on the Dziani Dzaha Lake

Pierre Cadeau; Didier Jézéquel; Alexis Groleau; Andrea Di Muro; Magali Ader

Comptes Rendus. Géoscience, Volume 354 (2022) p. 299-316

Résumé : ... Since May 2018, an unexpected long and intense seismic crisis started offshore Mayotte (Indian Ocean, France). This ongoing seismic sequence is associated with the birth of a newly discovered submarine volcano 50 km east of Petite Terre. Here, we investigate the indirect impact of this crisis on the stability of an atypical ecosystem located in Mayotte, the Dziani Dzaha Lake. ...

Geochemistry of an endorheic thalassohaline ecosystem: the Dziani Dzaha crater lake (Mayotte Archipelago, Indian Ocean)

Gérard Sarazin; Didier Jézéquel; Christophe Leboulanger; Eric Fouilland; Emilie Le Floc’h; Marc Bouvy; Emmanuelle Gérard; Hélène Agogué; Cécile Bernard; Mylène Hugoni; Vincent Grossi; Marc Troussellier; Magali Ader

Comptes Rendus. Géoscience, Volume 352 (2020) p. 559-577

Mots clés : ... Thalassohaline lake, Endorheic ecosystem, Cyanobacteria, Methane emission, Biogeochemistry, Mayotte ...