Sphaerium sp.
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2013 | 1 | 1 | 1 | 1 |
| 2011 | 1 | 1 | 1 | 1 |
| 2002 | 1 | 3 | 4 | 4 |
| 1993 | 1 | 1 | 1 | 1 |
| 1992 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 2 | 2 | 2 |
| 1989 | 1 | 6 | 6 | 6 |
| Totalt alle år | 1 | 15 | 16 | 16 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2013 | 1 | 1 | 1 | 1 |
| 2011 | 1 | 1 | 1 | 1 |
| 2002 | 1 | 3 | 4 | 4 |
| 1993 | 1 | 1 | 1 | 1 |
| 1992 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 2 | 2 | 2 |
| 1989 | 1 | 6 | 6 | 6 |
| Totalt alle år | 1 | 15 | 16 | 16 |