Lymnaea stagnalis
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2013 | 1 | 1 | 1 | 1 |
| 2012 | 1 | 1 | 1 | 1 |
| 2002 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 2 | 2 | 2 |
| 1995 | 1 | 1 | 1 | 1 |
| 1994 | 1 | 1 | 1 | 1 |
| 1993 | 1 | 5 | 5 | 5 |
| 1992 | 1 | 4 | 4 | 6 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 5 | 6 | 8 |
| 1989 | 1 | 4 | 5 | 5 |
| Totalt alle år | 1 | 14 | 12 | 32 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2013 | 1 | 1 | 1 | 1 |
| 2012 | 1 | 1 | 1 | 1 |
| 2002 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 2 | 2 | 2 |
| 1995 | 1 | 1 | 1 | 1 |
| 1994 | 1 | 1 | 1 | 1 |
| 1993 | 1 | 5 | 5 | 5 |
| 1992 | 1 | 4 | 4 | 6 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 5 | 6 | 8 |
| 1989 | 1 | 4 | 5 | 5 |
| Totalt alle år | 1 | 14 | 12 | 32 |