Table 3 Top dominant (%D) and frequent (%F) molluscan species in the global (diurnal + nocturnal), diurnal and nocturnal assemblages associated with a C. nodosa bed (10–14 m depth)
Total | Diurnal | Nocturnal | ||||||
|---|---|---|---|---|---|---|---|---|
Species | N | %D | Species | N | %D | Species | N | %D |
Dominant species | ||||||||
Rissoa monodonta | 30,961 | 47.1 | Rissoa monodonta | 13,247 | 53.4 | Rissoa monodonta | 16,580 | 41.4 |
Rissoa membranacea | 16,531 | 25.1 | Rissoa membranacea | 5,023 | 20.2 | Rissoa membranacea | 11,653 | 29.1 |
Gibbula leucophaea | 7,646 | 11.6 | Gibbula leucophaea | 2,755 | 11.1 | Gibbula leucophaea | 4,769 | 11.9 |
Nassarius cuvierii | 2,617 | 4.0 | Jujubinus striatus | 926 | 3.7 | Nassarius cuvierii | 1,882 | 4.7 |
Jujubinus striatus | 2,270 | 3.4 | Tricolia tenuis | 867 | 3.5 | Jujubinus striatus | 1,539 | 3.8 |
Tricolia tenuis | 1,980 | 3.0 | Nassarius cuvierii | 736 | 3.0 | Tricolia tenuis | 1,033 | 2.6 |
Smaragdia viridis | 1,367 | 2.1 | Smaragdia viridis | 462 | 1.9 | Smaragdia viridis | 877 | 2.2 |
Gibbula ardens | 502 | 0.8 | Gibbula ardens | 289 | 1.2 | Calliostoma planatum | 358 | 0.9 |
Rissoa violacea | 415 | 0.6 | Rissoa violacea | 150 | 0.6 | Gibbula ardens | 305 | 0.8 |
Calliostoma planatum | 395 | 0.6 | Pusillina philippi | 74 | 0.3 | Rissoa violacea | 278 | 0.7 |
Total | Diurnal | Nocturnal | |||
|---|---|---|---|---|---|
Species | %FR | Species | %FR | Species | %FR |
Frequent species | |||||
Tricolia tenuis | 100 | Gibbula leucophaea | 100 | Calliostoma planatum | 100 |
Smaragdia viridis | 100 | Jujubinus striatus | 100 | Gibbula leucophaea | 100 |
Gibbula leucophaea | 100 | Tricolia tenuis | 100 | Jujubinus striatus | 100 |
Jujubinus striatus | 100 | Smaragdia viridis | 100 | Tricolia tenuis | 100 |
Rissoa monodonta | 100 | Rissoa monodonta | 100 | Smaragdia viridis | 100 |
Rissoa membranacea | 100 | Rissoa membranacea | 100 | Rissoa monodonta | 100 |
Rissoa violacea | 100 | Rissoa violacea | 100 | Rissoa membranacea | 100 |
Nassarius cuvieri | 87.5 | Gibbula ardens | 87.5 | Rissoa violacea | 100 |
Calliostoma planatum | 87.5 | Musculus subpictus | 87.5 | Nassarius cuvieri | 100 |
Gibbula ardens | 87.5 | Calliostoma planatum | 75 | Nassarius pygmaeus | 100 |
Nassarius pygmaeus | 81.2 | Rissoa guerinii | 75 | Gibbula ardens | 87.5 |
Rissoa guerinii | 81.2 | Bittium latreilli | 75 | Rissoa guerinii | 87.5 |
Bittium latreilli | 75 | Nassarius cuvieri | 75 | Nassarius mutabilis | 87.5 |
Musculus subpictus | 68.7 | Rissoa ventricosa | 62.5 | Rissoa ventricosa | 75 |
Rissoa ventricosa | 68.7 | Nassarius pygmaeus | 62.5 | Bittium latreilli | 75 |