Tämä on asiantuntijan ylläpitämä sivu. Tietojen muokkaaminen on estetty tavallisilta käyttäjiltä.
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This page describes the restoration of Elijärvi (73.051.1.010) – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Pohjois-Pohjanmaan maakunta region of Finland.
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
External phosphorus loading from point sources Mean annual load of phosphorus: 17 kg | |
Blooms of cyanobacteria | |
Internal phosphorus loading | |
Other: Low oxygen |
Main restoration and management measures
Year of implementation | ||
---|---|---|
Other: Chemical inactivation of phosphorus | ||
Aeration of hypolimnion | ||
Reduction of external nutrient load from point sources | 1987 |
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 |