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This page describes the restoration of Ülemiste järv – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”.Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Harju County region of Estonia.
Data has been collected in the LakeAdmin project with the aim of sharing good restoration practices throughout Europe. More lakes can be searched in the LakeAdmin Lake Archive.
Data has been collected in the LakeAdmin project with the aim of sharing good restoration practices throughout Europe. More lakes can be searched in the LakeAdmin Lake Archive.
Main problems and reasons for restoration
Internal phosphorus loading | |
External phosphorus loading from point sources | |
Too high density of cyprinids | |
Blooms of cyanobacteria | |
External phosphorus loading from diffuse sources | |
Other: Too high cost for purification of drinking water |
Main restoration and management measures
Year of implementation | ||
---|---|---|
Reduction of external nutrient load from point sources | 1990 | |
Reduction of external nutrient load from diffuse sources | ||
Biomanipulation by fish removal |
Effects of the restoration measures
Before restoration | After restoration | ||
---|---|---|---|
Total phosphorus | 0 | 0 | |
Total nitrogen | 0 | 0 | |
Alkalinity | 0 | 0 | |
Transparency | 0 | 0 | |
Chlorophyll-a | 0 | 0 |