| المنطقة المجاورة: |
سنة: from - to |
جنس: | معدات: | نوع التردد: |
| Castleconnell, River Shannon, Ireland | 1993 - 1994 | unsexed/mixed | other | % of sample |
| Killaloe, River Shannon, Ireland | 1993 - 1994 | unsexed/mixed | other | % of sample |
| Killaloe, River Shannon, Ireland | 1992 - 1999 | unsexed/mixed | other | % of sample |
| Loch Davan, UK Scotland | 1993 - 1995 | unsexed/mixed | other | absolute number measured |
| Loch Davan, UK Scotland | 1993 - 1995 | unsexed/mixed | other | absolute number measured |
| Loch Davan (rocky substrata), UK Scotland | 1990 - 1996 | unsexed/mixed | other | absolute number measured |
| Loch Davan (soft substrata), UK Scotland | 1990 - 1996 | unsexed/mixed | other | absolute number measured |
| Loch Kinord, UK Scotland | 1993 - 1994 | unsexed/mixed | other | absolute number measured |
| Loch Kinord, UK Scotland | 1993 - 1994 | unsexed/mixed | other | absolute number measured |
| Lough Allen, River Shannon, Ireland | 1993 - 1996 | unsexed/mixed | other | absolute number measured |
| Lough Ennell, River Shannon, Ireland | 1993 - 1998 | unsexed/mixed | other | absolute number measured |
| Lough Sheelin, River Shannon, Ireland | 1993 - 1994 | unsexed/mixed | other | % of sample |
| Lough Sheelin, River Shannon, Ireland | 1993 - 1998 | unsexed/mixed | other | absolute number measured |
| Tadnoll Brook, UK Engld Wal | 1980 - 1980 | unsexed/mixed | other | absolute number measured |
| Tadnoll Brook and East stoke, UK Engld Wal | 1973 - 1984 | unsexed/mixed | other | absolute number measured |