Open Access
Table III
Percentages of surface occupied by each substrate and bank vegetation categories in the littoral zone observed at 513.5, 512.5, 511.5 and 510.5 m NGF.
Pourcentages surfaciques occupés par chacune des catégories de substrat et de végétation de rive observés en zone littorale aux cotes 513.5, 512.5, 511.5 et 510.5 m NGF.
| Categories | 513.5 | 512.5 | 511.5 | 510.5 | |
|---|---|---|---|---|---|
| Substrate | Silt | 3.5 | 20.5 | 31.4 | 42.3 |
| Sand | 5.2 | 12.2 | 19.1 | 24.7 | |
| Gravel | 7.9 | 16.8 | 16.5 | 10.7 | |
| Pebbles | 0.3 | 1.5 | 1.7 | 0.6 | |
| Stones | 2.1 | 5.6 | 7.1 | 6.4 | |
| Boulders | 0.2 | 0.3 | 0.3 | 0.3 | |
| Large rocks | 2.9 | 6.7 | 10.1 | 11.0 | |
| Slabs | 1.0 | 1.7 | 2.5 | 2.3 | |
| Unknown | 1.8 | 2.6 | 2.7 | 1.2 | |
| Lawn | 75.2 | 32.2 | 8.5 | 0.5 | |
| Vegetation | Submerged vegetation | 72.7 | 41.4 | 17.4 | 4.9 |
| Riparian shade | 71.4 | 40.9 | 17.3 | 5.3 | |
| Herbaceous | 12.8 | 9.3 | 6.0 | 1.9 | |
| Helophytes | 5.0 | 6.8 | 3.5 | 0.4 | |
| Litter | 0 | 0 | 0.01 | 0.02 | |
| Dead ligneous | 0 | 0 | 0.01 | 0.02 |
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