Characterization of coastal habitats and marine benthic communities of the sub-Antarctic Crozet archipelago using underwater imagery
Author
Lelièvre, Yann
Author
Gall, Line Le
Author
Dubois, Philippe
Author
Saucède, Thomas
text
Antarctic Science
2025
Cambridge, England
2025-02-25
37
3
134
153
https://doi.org/10.1017/s0954102024000543
journal article
10.1017/S0954102024000543
1365-2079
15817000
Table V. List of the significant indicator faunal and algal taxa through the different habitat types identified at Baie du Marin and Crique du Sphinx, with their associated indicator value index (IndVal) percentages and P -values. | Fauna | Algae |
|---|
| Habitat type | IndVal (%) | P | IndVal (%) | P |
|---|
| Sand |
|---|
| Spinoserolis latifrons | 75.6 | < 0.001 | - | - |
|---|
| Pebbles |
|---|
| Nacella delesserti | 87.2 | < 0.001 | - | - |
|---|
| Pentactella sp. | 65.9 | < 0.001 | - | - |
|---|
| Anasterias antarctica | 43.8 | 0.018 | - | - |
|---|
| Corallinales fam. gen.sp. | - | - | 79.5 | < 0.001 |
|---|
| Schizoseris sp. | - | - | 71.5 | < 0.001 |
|---|
| Sand-pebbles |
|---|
| Ulva sp. | - | - | 63.5 | 0.002 |
|---|
| Palmaria sp. | - | - | 58.7 | 0.007 |
|---|
| Rock |
|---|
| Margarella violacea | 62.0 | < 0.001 | - | - |
|---|
| Actiniaria fam. gen.sp.3 | 62.0 | < 0.001 | - | - |
|---|
| Neosmilaster sp. | 59.0 | 0.003 | - | - |
|---|
| Actiniaria fam. gen.sp.4 | 57.2 | 0.003 | - | - |
|---|
| Ophiosabine vivipara | 55.5 | 0.005 | - | - |
|---|
| Smilasterias triremis | 43.2 | 0.026 | - | - |
|---|
| Codium adhaerens | - | - | 72.1 | < 0.001 |
|---|
| Suspended-cables |
|---|
| Tubulariidae gen. indet. | 63.2 | < 0.001 | - | - |
|---|
| Crella sp. | 63.2 | < 0.001 | - | - |
|---|
| Haliclona sp. | 63.2 | < 0.001 | - | - |
|---|
| Mycale sp.2 | 63.2 | < 0.001 | - | - |
|---|
| Mycale sp.1 | 62.4 | < 0.001 | - | - |
|---|
| Hymedesmia sp. | 57.9 | < 0.001 | - | - |
|---|
| Parasabella sp. | 49.0 | 0.013 | - | - |
|---|
| Demospongiae fam.gen.sp.1 | 44.7 | 0.009 | - | - |
|---|
| Tetillidae gen.indet. | 44.7 | 0.009 | - | - |
|---|
| Halichondria sp. | 44.7 | 0.009 | - | - |
|---|
| Hymeniacidon sp. | 44.7 | 0.009 | - | - |
|---|
| Sycozoa cf. gaimardi | 40.8 | 0.016 | - | - |
|---|
| Delesseriaceae gen.indet. | - | - | 88.1 | < 0.001 |
|---|
| Heterosiphonia berkeleyi | - | - | 39.8 | 0.039 |
|---|
| Sand-cables |
|---|
| Macrocystis pyrifera | - | - | 53.4 | 0.008 |
|---|
| Sand-pebbles-cables |
|---|
| Mycale sp.3 | 59.3 | 0.001 | - | - |
|---|
| Aplidium variabile | 44.8 | 0.047 | - | - |
|---|
| Desmarestia confervoides | - | - | 53.7 | 0.017 |
|---|