Localisation
The transects and the thermometer are at -13 meters depth on the outer slope.
15°0.843'S/148°17.111'W (conversion DM/DMS)
Program
The Polynesia Mana since 1994
| The analysis of the coral cover is done using three methods: Photo-quadrat coral transect Coral survey by "manta tow" Underwater seascape photography Photogrammetry You can access to and to the photo quadrats | ||
| Year | Rugosity parallel | Rugosity perpendicular | Height SD parallel | Height SD perpendicular |
|---|---|---|---|---|
| 2020 | 1.5800 (sd 0.0607) | 1.4920(sd 0.0576) | 0.1081 | 0.1099 |
| 2022 | 1.7049 (sd 0.1016) | 1.5729(sd 0.0702) | 0.1184 | 0.1240 |
| 2024 | 1.6676 (sd 0.0829) | 1.5313(sd 0.0468) | 0.1086 | 0.1125 |
| The fish are estimated using ichtyological assessment. Here are the data | ||
| The temperature is recorded using the SBE 56 Thermometer. Here are the thermometer data | ||
Quadrat n°10 on the outer slope of Tikehau, in 2014/CRIOBE
3D reconstruction of the site (2020)/CRIOBE
3D reconstruction of the site (2022)/CRIOBE
3D reconstruction of the site (2024)/CRIOBE
Nouveau thermo Hobo U22 # série : 203 306 63 -posé start logging 22/08/2018 à 17H
Polynesia Mana - Tikehau 2018 - Gilles/Marguerite
Trajet :
- Mission du lundi 20 au vendredi 24 aout
- Total des bagages = 75 kg soit 45 kg en supplément (270 ... <more>
Changement du thermographe : N°série 2005839
Piquet Paysage disparu, remplacé.
Blanchissement important constaté chez les porites et mortalité importante chez les millepora.
<more>Changement de thermographe SBE56 n° de série 1625
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