Naumann is also widely known for his contributions to lake oligotrophic, eutrophic and dystrophic lake to our modern lake classification.
2.
The other habitats of Vaikkojoki Natura 2000 Site are natural dystrophic lakes and ponds, active raised bogs, transition mires and quaking bogs.
3.
Store Gribs?( English : " Large Grib-lake " ) or just Gribs? is only a 10 ha lake, but is nevertheless the largest lake enclosed by Gribskov . It is a so-called dystrophic lake and it is impossible to see the bottom in its dark waters, even though it is only 11 m deep.