Table 5 Characteristics of the six populations studied for the four factors considered.
From: Determinants of variability in signature whistles of the Mediterranean common bottlenose dolphin
Region | Site | Sea bottom | Population demography | ||||||
|---|---|---|---|---|---|---|---|---|---|
Cluster | Prevalent habitat type | Depth category | Cluster | Mean pop. size (95% CI) | Connection with other pop | Residency pattern | Mean group size (range) | ||
WEST | PC | H1 | Mediterranean circalittoral coarse sediment, Posidonia bed, Mediterranean Infralittoral sand | Shallow | P4 | 223 (152–385) | Yes | Mostly transient | 16 (1–55) |
WEST | AL | H2 | Mediterranean circalittoral coarse sediment; Posidonia bed; Biocenosis of Mediterranean muddy detritic bottoms | Shallow | P2 | 76 (61–118) | Yes | Mostly resident | 7 (1–17) |
WEST | FI | H2 | Biocenosis of Mediterranean offshore circalittoral coastal terrigenous muds; Biocenosis of Mediterranean muddy detritic bottoms; Mediterranean circalittoral coarse sediment | Shallow | P4 | 529 (456–614) | Yes | Mostly transient | 15 (1–65) |
SOUTH | LA | H1 | Posidonia bed; Mediterranean Infralittoral sand; Mediterranean circalittoral coarse sediment | Shallow | P1 | 249 (162–449) | No | Mostly transient | 4 (1–20) |
EAST | CL | H2 | Mediterranean infralittoral mud; Biocenosis of Mediterranean circalittoral coastal terrigenous muds; Mediterranean circalittoral coarse sediment | Shallow | P3 | 184 (152–250) | No | Mostly resident | 22 (2–46) |
EAST | GC | H3 | Biocenosis of Mediterranean open-sea detritic bottoms on shelf-edge; Biocenosis of Mediterranean offshore circalittoral coastal terrigenous muds; Mediterranean bathyal mud | Depth | P2 | 38 (32–46) | Yes | Mostly resident | 8 (1–28) |
