SONOKAR 2023

The SONOKAR project is part of the mission of studying and monitoring water resources, aquatic and coastal environments, and their uses, carried out by the Office de l'Eau de Guadeloupe (ODE) within the framework of the 3rd multi-annual intervention programs.

The goals of the SONOKAR project are to:

  • Characterize the spatial and temporal dynamics of Guadeloupe's reefs to identify key areas and periods of marine fauna activity.
  • Quantify human pressures and observe biological responses.
  • Study the resilience of these reefs to climate change.

The implementation of passive acoustic monitoring aims at allowing conservation stakeholders to optimize the management measures implemented and regularly evaluate their effectiveness.

In the specific case of the ODE, passive acoustic monitoring is intended to enhance its operational capacities to implement the European Water Framework Directive (WFD).

continuously monitored sites over 1 year

continuously monitored sites over 24 hours

The mission in pictures

Descent of a tripod into the seabed
Fiexation of the Tripods on the Corral Reef
Approaching the Corral Reef with the Tripod
Preparation of the tripod at the port
Tripod immersion
Sailing at sea with a tripod on the boat

Others achievements

Departure at sea with a tripod for the seabed of Mayotte
Mayotte

Passive acoustic monitoring of coral reefs around Mayotte Island from 2022 to 2024 in collaboration with the OFB.

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Departure at sea with a tripod for the seabed of Réunion
Reunion Island

Ecoacoustic reference state of coral reefs around Reunion Island in 2022.

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