Table 3. AMOVA table using genetic distances based on haplotype frequencies of the P. nobilis populations.
| Scenarios | Source of variation |
Degrees of
freedom |
Sum of squares | Components of covariance (Sigma) | Variation (%) | P-value | |
|---|---|---|---|---|---|---|---|
| Greece (Eastern Mediterranean) (16S rRNA-COI) | Ionian Sea (Amvrakikos, Korinthiakos) - North Aegean Sea (Lesvos, Aggelochori, Epanomi, Chios, Vourvourou) - South Aegean Sea (Attica, Diafani, Tristomo, Astakida, Crete) | Between populations | 2 | 18.51356 | 0.01582342 | 0.52 | 0.28 |
| Between samples within population | 9 | 57.22781 | 0.53133279 | 17.46 | 0.01 | ||
| Within samples | 88 | 219.5786 | 2.49521173 | 82.02 | 0.01 | ||
| Central, Western and Eastern Mediterranean Sea (16S rRNA-COI) | Adriatic Sea (Venice) - Ionian Sea (Amvrakikos, Korinthiakos, Sicily East) - North Aegean Sea (Lesvos, Aggelochori, Epanomi, Chios, Vourvourou) - South Aegean Sea (Attica, Diafani, Tristomo, Astakida, Crete) - Levantine Sea (Cyprus) - Western Mediterranean (Italy, Sicily West, Corsica, Sardinia) | Between populations | 5 | 213.2511 | 0.8919529 | 25.07 | 0.01 |
| Between samples within population | 13 | 77.38444 | 0.2702837 | 7.60 | 0.01 | ||
| Within samples | 275 | 658.6637 | 2.3951407 | 67.33 | 0.01 | ||
| Mediterranean Sea (COI) | Adriatic Sea (Venice) - Ionian Sea (Amvrakikos, Korinthiakos, Sicily East) - North Aegean Sea (Lesvos, Aggelochori, Epanomi, Chios, Vourvourou) - South Aegean Sea (Attica, Diafani, Tristomo, Astakida, Crete) - Levantine Sea (Cyprus) - Western Mediterranean (Bizerta Lagoon, Italy, Sicily West, Corsica, Sardinia, France, Spain) - Tunisian Plateau/Gulf of Sidra (El Ketef, Stah Jaber, Kerkennah Island, El Bibane Lagoon) |
Between populations | 6 | 32.72616 | 0.09382413 | 9.56 | 0.01 |
| Between samples within population | 19 | 20.06477 | 0.01168851 | 1.19 | 0.06 | ||
| Within samples | 423 | 370.5275 | 0.87595168 | 89.26 | 0.01 |