Loppijärvi (35.874.1.001)/Restoration project
Järvi-meriwikistä
< Loppijärvi (35.874.1.001)
Versio hetkellä 22. tammikuuta 2014 kello 16.14 – tehnyt Molindho (keskustelu | muokkaukset) (Ak: Uusi sivu: {{Restoration project}})
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This page describes the restoration of Loppijärvi (35.874.1.001) – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”.Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Kanta-Hämeen maakunta region of Finland.
Main problems and reasons for restoration
Overgrowth of macrophytes | |
External phosphorus loading from diffuse sources Mean annual load of phosphorus (from diffuse and point sources): 25000 kg | |
External phosphorus loading from point sources Mean annual load of phosphorus (from diffuse and point sources): 25000 kg | |
Blooms of cyanobacteria | |
Other: Low oxygen |
Main restoration and management measures
Year of implementation | ||
---|---|---|
Reduction of external nutrient load from point sources Current P-reduction in treatment of sewage water is 95% | 1976 | |
Aeration of hypolimnion |
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 |