Ero sivun ”Harvanjärvi (04.582.1.016)/Restoration project 2009-2011” versioiden välillä
Järvi-meriwikistä
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{{Restoration measure | {{Restoration measure | ||
|Measure=Reduction of external nutrient load from point sources | |Measure=Reduction of external nutrient load from point sources | ||
| Rivi 165: | Rivi 135: | ||
|Rating= | |Rating= | ||
|Ylläpito=Asiantuntija | |Ylläpito=Asiantuntija | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=External phosphorus loading from diffuse sources | ||
| + | |Value=1 | ||
| + | |Additional information=Mean annual loading of phosphorus: 209 kg (field 103 kg, forest 54 kg, rural population 48 kg, swamp 4 kg) | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=External phosphorus loading from point sources | ||
| + | |Value=0 | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Internal phosphorus loading | ||
| + | |Value=1 | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Blooms of cyanobacteria | ||
| + | |Value=1 | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Too high density of cyprinids | ||
| + | |Value=1 | ||
| + | |Additional information= | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Overgrowth of macrophytes | ||
| + | |Value=0 | ||
| + | |Additional information= | ||
}} | }} | ||
==Further information== | ==Further information== | ||
Versio 20. tammikuuta 2014 kello 14.42
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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 |
