Arbi/Restoration project
Järvi-meriwikistä
< Arbi
Versio hetkellä 15. tammikuuta 2014 kello 23.41 – tehnyt Molindho (keskustelu | muokkaukset)
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This page describes the restoration of Arbi – a smallVirhe lausekkeessa: tunnistamaton välimerkki ”,”. lake in the Tartu County region of Estonia.
This page describes the restoration project of Arbi. The data has been collected in the LakeAdmin project and the lake is part of the LakeAdmin Lake Archive.
This page describes the restoration project of Arbi. The data has been collected in the LakeAdmin project and the lake is part of the LakeAdmin Lake Archive.
Main problems and reasons for restoration
![]() | Too high density of cyprinids |
![]() | Overgrowth of macrophytes |
![]() | Blooms of cyanobacteria |
![]() | External phosphorus loading from diffuse sources |
![]() | Internal phosphorus loading |
Main restoration and management measures
Year of implementation | ||
---|---|---|
![]() | ||
![]() | Dredging | |
![]() | Biomanipulation by fish removal | |
![]() | Other: | |
![]() | Wetlands or sedimentation ponds Sedimentation pond at inflow | |
![]() | On site sewage treatment of scattered settlement | |
![]() | Reduction of external nutrient load from point sources New sewage treatment plant | 2002 |
![]() | Agricultural management practices | |
![]() | 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 |