Table 3 Percentage of mtDNA haplotypes ( cyt b ) resulting from hybridization and introgression between A. alosa and A. fallax
| Â | Populations | N | Number ofA. alosa mtDNA haplotypes | Number ofA. fall ax mtDNA haplotypes |
|---|---|---|---|---|
A. alosa | Â | Â | Â | Â |
| Â | Garonne | 9 | 8 | 1 (11%) |
| Â | Dordogne | 11 | 10 | 1 (9%) |
| Â | Guadiana | 9 | 8 | 1 (11%) |
A. fallax | Â | Â | Â | Â |
| Â | Scotland | 8 | 1 (13%) | 7 |
| Â | Severn* | 18 | 4 (22%) | 14 |
| Â | Wye | 14 | 3 (21%) | 11 |
| Â | Usk | 11 | 5 (46%) | 6 |
| Â | Tywi | 16 | 10 (63%) | 6 |
| Â | Minho | 7 | 1 (14%) | 6 |
| Â | Lima | 16 | 4 (25%) | 12 |
| Â | Mondego | 11 | 2 (18%) | 9 |
| Â | Tejo | 8 | 2 (25%) | 6 |
| Â | Guadiana | 7 | 1 (14%) | 6 |
| Â | Herault | 5 | 1 (20%) | 4 |
|  | Rhône | 7 | 1 (14%) | 6 |