Ero sivun ”Harvanjärvi (04.582.1.016)/Restoration project 2009-2011” versioiden välillä
Järvi-meriwikistä
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{{Water quality value | {{Water quality value | ||
|Parameter=Total phosphorus | |Parameter=Total phosphorus | ||
| Rivi 164: | Rivi 108: | ||
|Problem=Overgrowth of macrophytes | |Problem=Overgrowth of macrophytes | ||
|Value=0 | |Value=0 | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Reduction of external nutrient load from point sources | ||
| + | |Value=0 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=On site sewage treatment of scattered settlement | ||
| + | |Value=1 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information=Estimated reduction from waste waters 45 % | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Wetlands or sedimentation ponds | ||
| + | |Value=0 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Agricultural management practices | ||
| + | |Value=0 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Biomanipulation by fish removal | ||
| + | |Value=1 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Aeration of hypolimnion | ||
| + | |Value=1 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Macrophyte removal | ||
| + | |Value=0 | ||
| + | |Start date= | ||
| + | |End date= | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Dredging | ||
| + | |Value=1 | ||
| + | |Start date= | ||
| + | |End date= | ||
|Additional information= | |Additional information= | ||
}} | }} | ||
Versio 20. tammikuuta 2014 kello 19.17
{{Laatikko2|Sisältö=
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 |
