Genus: Bosmina
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2019 | 1 | 1 | 1 | 1 |
| 2018 | 1 | 2 | 1 | 2 |
| 2016 | 1 | 1 | 1 | 1 |
| 2015 | 1 | 3 | 2 | 3 |
| 2014 | 1 | 1 | 1 | 1 |
| 2013 | 4 | 43 | 37 | 46 |
| 2012 | 1 | 1 | 1 | 2 |
| 2011 | 1 | 1 | 1 | 1 |
| 2008 | 1 | 1 | 1 | 1 |
| 2007 | 1 | 1 | 1 | 1 |
| 2005 | 2 | 2 | 2 | 2 |
| 2004 | 2 | 3 | 10 | 11 |
| 2003 | 1 | 3 | 3 | 3 |
| 2002 | 2 | 4 | 8 | 10 |
| 2001 | 1 | 1 | 1 | 1 |
| 1997 | 2 | 7 | 7 | 9 |
| 1996 | 3 | 12 | 10 | 14 |
| 1995 | 2 | 17 | 17 | 18 |
| 1994 | 3 | 24 | 24 | 28 |
| 1993 | 3 | 26 | 26 | 29 |
| 1992 | 1 | 7 | 7 | 8 |
| 1991 | 2 | 13 | 12 | 17 |
| 1990 | 2 | 13 | 14 | 19 |
| 1989 | 2 | 45 | 45 | 47 |
| Totalt alle år | 4 | 142 | 137 | 275 |