Ero sivun ”Hiidenvesi (23.031.1.001)/Restoration project” versioiden välillä
Järvi-meriwikistä
| Rivi 2: | Rivi 2: | ||
|Description={{LakeAdmin description}} | |Description={{LakeAdmin description}} | ||
|Ylläpito=Asiantuntija | |Ylläpito=Asiantuntija | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=External phosphorus loading from diffuse sources | ||
| + | |Additional information=Mean annual load of phosphorus: 8735 kg | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Internal phosphorus loading | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Overgrowth of macrophytes | ||
| + | }} | ||
| + | {{Lake problem | ||
| + | |Problem=Other | ||
| + | |Additional information=Low oxygen | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=On site sewage treatment of scattered settlement | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Wetlands or sedimentation ponds | ||
| + | }} | ||
| + | {{Restoration measure | ||
| + | |Measure=Agricultural management practices | ||
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| + | {{Restoration measure | ||
| + | |Measure=Biomanipulation by fish removal | ||
}} | }} | ||
Versio 27. tammikuuta 2014 kello 19.09
{{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.
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 |
