Species: Gyrinus marinus
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1997 | 1 | 1 | 1 | 1 |
| 1992 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 2 | 2 | 2 |
| 1990 | 1 | 1 | 1 | 1 |
| 1989 | 1 | 4 | 4 | 4 |
| Totalt alle år | 1 | 6 | 6 | 9 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1997 | 1 | 1 | 1 | 1 |
| 1992 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 2 | 2 | 2 |
| 1990 | 1 | 1 | 1 | 1 |
| 1989 | 1 | 4 | 4 | 4 |
| Totalt alle år | 1 | 6 | 6 | 9 |