Ero sivun ”Harvanjärvi (04.582.1.016)/Restoration project 2009-2011” versioiden välillä
Järvi-meriwikistä
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|Problem=Overgrowth of macrophytes | |Problem=Overgrowth of macrophytes | ||
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|Measure=On site sewage treatment of scattered settlement | |Measure=On site sewage treatment of scattered settlement | ||
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|Additional information=Estimated reduction from waste waters 45 % | |Additional information=Estimated reduction from waste waters 45 % | ||
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{{Restoration measure | {{Restoration measure | ||
|Measure=Biomanipulation by fish removal | |Measure=Biomanipulation by fish removal | ||
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{{Restoration measure | {{Restoration measure | ||
|Measure=Aeration of hypolimnion | |Measure=Aeration of hypolimnion | ||
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{{Restoration measure | {{Restoration measure | ||
|Measure=Dredging | |Measure=Dredging | ||
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Versio 20. tammikuuta 2014 kello 19.21
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This page describes the restoration of Harvanjärvi (04.582.1.016) – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”.Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Pohjois-Savon maakunta region of Finland. The restoration started in 2009 and ended in 2011.
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
Main restoration and management measures
| Year of implementation |
|---|
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 |
