Takajärvi (61.463.1.001)/Restoration project
Järvi-meriwikistä
< Takajärvi (61.463.1.001)
Versio hetkellä 21. tammikuuta 2014 kello 14.33 – tehnyt Molindho (keskustelu | muokkaukset) (Ak: Uusi sivu: {{Restoration project}})
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This page describes the restoration of Takajärvi (61.463.1.001) – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”.Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Lapin maakunta region of Finland.
Main problems and reasons for restoration
External phosphorus loading from diffuse sources Mean annual loading of phosphorus 1327,07 kg | |
Too high density of cyprinids | |
Overgrowth of macrophytes | |
Internal phosphorus loading | |
Blooms of cyanobacteria | |
Other: Low oxygen |
Main restoration and management measures
Year of implementation | ||
---|---|---|
Biomanipulation by fish removal | 2001 | |
On site sewage treatment of scattered settlement | ||
Agricultural management practices |
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 |