| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 13 | 23 | 7 | 7 | 6 | 3 | 3 | 5 | 8 | Turkey | Egirdir Lake (2001-2002) | ||
| 13 | 15 | 10 | Greece | Lake Chimaditis (August 2004- July 2005) northen Greece | |||||||||
| 111 | 111 | 111 | 111 | 111 | Greece | Lake Lysimachia | |||||||
| 111 | 111 | Greece | Lake Pamvotis | ||||||||||
| 12 | 12 | 13 | 13 | 7 | 1 | 1 | 1 | 1 | 2 | 4 | 8 | Greece | Lake Volvi (2001) |
| 111 | 111 | 111 | 111 | France | not specified | ||||||||
| 111 | 111 | 111 | not specified | ||||||||||
| 111 | 111 | Germany | Schleswig-Holstein |