Rivi 1: | Rivi 1: | ||
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{{Restoration project | {{Restoration project | ||
|Description={{LakeAdmin description}} | |Description={{LakeAdmin description}} | ||
|Partners= | |Partners= | ||
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|Ylläpito=Asiantuntija | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=External phosphorus loading from diffuse sources | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=External phosphorus loading from point sources | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Internal phosphorus loading | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Blooms of cyanobacteria | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Too high density of cyprinids | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Overgrowth of macrophytes | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Other | ||
+ | |Additional information=Anoxia in bottom | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Reduction of external nutrient load from point sources | ||
+ | |Start date=2002 | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Reduction of external nutrient load from diffuse sources | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=On site sewage treatment of scattered settlement | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Wetlands or sedimentation ponds | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Agricultural management practices | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Biomanipulation by fish removal | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Aeration of hypolimnion | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Macrophyte removal | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Dredging | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Other | ||
+ | |Additional information=Geotextile in bathing areas up to depth 1,75 m | ||
+ | |Partners= | ||
+ | |Ylläpito=Asiantuntija | ||
+ | |Value=1 | ||
}} | }} | ||
==Further information== | ==Further information== |
Versio 20. tammikuuta 2014 kello 23.43
{{Laatikko2|Sisältö=
This page describes the restoration of Verevi järv – a Virhe lausekkeessa: tunnistamaton välimerkki ”,”.Virhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Tartu County region of Estonia.
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 | |
Internal phosphorus loading | |
External phosphorus loading from point sources | |
Too high density of cyprinids | |
Overgrowth of macrophytes | |
Blooms of cyanobacteria | |
Other: Anoxia in bottom |
Main restoration and management measures
Year of implementation | ||
---|---|---|
Reduction of external nutrient load from diffuse sources | ||
Aeration of hypolimnion | ||
On site sewage treatment of scattered settlement | ||
Agricultural management practices | ||
Macrophyte removal | ||
Reduction of external nutrient load from point sources | 2002 | |
Other: Geotextile in bathing areas up to depth 1,75 m | ||
Dredging | ||
Biomanipulation by fish removal | ||
Wetlands or sedimentation ponds |
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 |