Species: Tabellaria fenestrata
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1996 | 1 | 1 | 1 | 1 |
| 1994 | 1 | 6 | 6 | 7 |
| 1993 | 1 | 6 | 6 | 6 |
| 1992 | 1 | 2 | 2 | 2 |
| 1991 | 1 | 15 | 13 | 17 |
| 1990 | 1 | 22 | 22 | 38 |
| 1989 | 1 | 14 | 14 | 14 |
| Totalt alle år | 1 | 48 | 45 | 85 |
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Responsible editor: Doris Jorde