Order: Volvocales
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2016 | 1 | 1 | 1 | 4 |
| 2005 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 1 | 1 | 1 |
| 1994 | 4 | 3 | 3 | 4 |
| 1993 | 4 | 5 | 6 | 6 |
| 1991 | 4 | 8 | 8 | 13 |
| 1990 | 7 | 10 | 10 | 17 |
| 1989 | 4 | 12 | 12 | 16 |
| Totalt alle år | 10 | 32 | 33 | 62 |
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Responsible editor: Doris Jorde