Reef Pulse

Reef Pulse

Continuous Standardised Non-intrusive solution for coral reef monitoring using passive acoustics

Installation of a tripod by a diver

Our activities

Continuous assessment of coral reefs' state and functioning

We record and analyse coral reef soundscapes to provide our clients with crucial information

Quantifying the activity of key species or groups of species
Evaluating the biomass of fishes within each trophic group
Quantifying noise pollution

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Viewing a tripod in a marine environment

Our technology

Passive acoustics and AI dedicated to coral reefs assessment.

Our solution breaks with current monitoring methods by combining the latest passive acoustic technologies, Digital Signal Processing (DSP), and AI algorithms.

Continuous recording over several years
Standardised data for easy comparisons among sites and over time
Non-intrusive monitoring with no effect on wildlife behavior

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Notre vision

Our Vision

Until recently, coral reef monitoring methods were mainly based on visual cues (e.g., counts, imagery). Ecosystem evaluation from another angle is complementary and offers a vast innovation potential.

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Sound extracts from our missions

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Healthy site

New Caledonia
1st July 2017

Degraded site

Reunion Island
27th April 2017

Boat passing

Reunion Island
30th September 2016

Fish vocalisations

New Caledonia
2nd July 2017

Divers

Reunion Island
30th September 2016

Whale song

Europa Island
14th August 2018

Parrotfish icon

Parrotfish grazing

Europa Island
15th November 2018

Tropical rain

Europa Island
14th January 2019

Vocalisation between two waves breaking on the reef

Reunion Island
1st October 2016

Biophony

Europa Island
2nd September 2018

Biophony

New Caledonia
3rd July 2017

Biophony

Reunion Island
14th October 2016

Biophony

Reunion Island
28th June 2017

Our 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.

Departure at sea with a tripod for the seabed of Réunion

Reunion Island

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

Descent of a tripod into the seabed

Guadeloupe

Passive acoustic monitoring of coral reefs around Guadeloupe Island from 2023 to 2024 in collaboration with the Office de l'Eau de Guadeloupe.

Our partners