Hiidenvesi (23.031.1.001)/Restoration project
Järvi-meriwikistä
< Hiidenvesi (23.031.1.001)
Versio hetkellä 27. tammikuuta 2014 kello 20.09 – tehnyt Molindho (keskustelu | muokkaukset)
{{Laatikko2|Sisältö=
This page describes the restoration of Hiidenvesi (23.031.1.001) – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”.Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Uudenmaan maakunta region of Finland.
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.
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
External phosphorus loading from diffuse sources Mean annual load of phosphorus: 8735 kg | |
Internal phosphorus loading | |
Overgrowth of macrophytes | |
Other: Low oxygen |
Main restoration and management measures
Year of implementation | ||
---|---|---|
Wetlands or sedimentation ponds | ||
Agricultural management practices | ||
Biomanipulation by fish removal | ||
On site sewage treatment of scattered settlement |
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 |