The transects and the thermometer are at -10 meters depth on the outer slope.
23°06.647’S / 134°50.782’W (conversion DM/DMS)
The wave probe is at -38 m.

The Polynesia Mana since 2018.

Icon Corail 35px The analysis of the coral cover is done using three methods:
Photo-quadrat coral transect
Coral survey by "manta tow"
Underwater seascape photography
You can access to and to the photo quadrats

YearRugosity parallelRugosity perpendicularHeight SD parallelHeight SD perpendicular
20191.8017 (sd 0.1228)1.7517(sd 0.1180)0.18920.1501
20211.8948 (sd 0.1494)1.8368(sd 0.1376)0.18360.1670
20231.9486 (sd 0.1636)1.8713(sd 0.1157)0.23360.1766

Icon Poisson 35px The fish are estimated using ichtyological assessment.
Here are the data
Icon Vague 80px The measures of the waves are done using the SBE 26 Seagauge wave and tide recorder.
Here are the data
Icon Vague 80px Starting 2021, the measures of the waves are done using OSSI-010-022 Wave Gauge Blue.
Here are the data
Icon Temp The temperature is recorded using the SBE 26 Seagauge wave and tide recorder (see the previous link to access the data) and also using the SBE 56 Thermometer.
Here are the thermometer data

3D reconstruction of the site (2019)/CRIOBE

Click here to access an interactive video to compare 2019, 2021 and 2023 (warning 1.5GB of video)

Historique Mangareva

Données brutes de suivi des équipements. Les dates affichées correspondent à la date de modification du fichier informatique en laboratoire.

2017-12-05 18:00:32CRIOBE > Moorea > CRIOBE (33)CRIOBE > Mangareva (37)SBE26 houlographe 1190
2019-11-01 02:15:49CRIOBE > Moorea > CRIOBE (33)CRIOBE > Mangareva (37)SBE56Temp 1630
2019-11-27 20:40:48CRIOBE > Mangareva (37)CRIOBE > Moorea > CRIOBE (33)SBE26 houlographe 1190
2019-11-27 20:41:29CRIOBE > Moorea > CRIOBE (33)CRIOBE > Mangareva (37)SBE26 houlographe 1190
2021-10-15 18:22:53CRIOBE > Moorea > CRIOBE (33)CRIOBE > Mangareva (37)wave Gauge Blue 10-22-01 19-10-23 #001
2021-11-02 01:17:43CRIOBE > Moorea > CRIOBE (33)CRIOBE > Mangareva (37)SBE56Temp 1612
2021-11-10 21:04:47CRIOBE > Mangareva (37)CRIOBE > Moorea > CRIOBE (33)SBE56Temp 1630
2023-02-09 02:51:06CRIOBE > Moorea > CRIOBE (33)CRIOBE > Mangareva (37)SBE26 houlographe 1185
2023-03-01 02:13:48CRIOBE > Mangareva (37)CRIOBE > Moorea > CRIOBE (33)wave Gauge Blue 10-22-01 19-10-23 #001

Lancement étude Mangareva
Cecile Friday April 6, 2018

Décembre 2018 : mise en place des transects-couloirs et photo-quadrat
Thermographe ONSET n°20200049 installé jusqu'en 2019