Genus: Dafnier (Daphnia)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2021 | 1 | 1 | 1 | 1 |
| 2018 | 1 | 2 | 1 | 2 |
| 2016 | 1 | 2 | 2 | 2 |
| 2015 | 1 | 2 | 2 | 2 |
| 2014 | 2 | 4 | 3 | 6 |
| 2013 | 7 | 77 | 68 | 131 |
| 2012 | 2 | 4 | 4 | 5 |
| 2011 | 1 | 2 | 2 | 3 |
| 2010 | 2 | 2 | 2 | 2 |
| 2008 | 2 | 3 | 3 | 3 |
| 2007 | 1 | 2 | 2 | 2 |
| 2006 | 2 | 3 | 3 | 3 |
| 2005 | 3 | 6 | 6 | 7 |
| 2004 | 3 | 6 | 12 | 15 |
| 2003 | 2 | 3 | 3 | 3 |
| 2002 | 1 | 5 | 9 | 11 |
| 2001 | 1 | 4 | 4 | 4 |
| 2000 | 1 | 4 | 4 | 5 |
| 1999 | 1 | 1 | 1 | 1 |
| 1998 | 1 | 1 | 1 | 1 |
| 1997 | 6 | 7 | 6 | 9 |
| 1996 | 6 | 8 | 6 | 13 |
| 1995 | 6 | 15 | 13 | 21 |
| 1994 | 7 | 24 | 23 | 34 |
| 1993 | 5 | 27 | 27 | 33 |
| 1992 | 2 | 2 | 2 | 3 |
| 1991 | 5 | 10 | 9 | 16 |
| 1990 | 5 | 10 | 11 | 24 |
| 1989 | 5 | 38 | 40 | 46 |
| Totalt alle år | 10 | 190 | 178 | 408 |