Ero sivun ”Gallträsk (81.055.1.009)/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 point sources | ||
+ | |Additional information=Mean annual load of phosphorus: 31 kg | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Too high density of cyprinids | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Overgrowth of macrophytes | ||
+ | }} | ||
+ | {{Lake problem | ||
+ | |Problem=Other | ||
+ | |Additional information=Low oxygen | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Reduction of external nutrient load from point sources | ||
+ | |Start date=1975 | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Biomanipulation by fish removal | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Macrophyte removal | ||
+ | }} | ||
+ | {{Restoration measure | ||
+ | |Measure=Dredging | ||
}} | }} |
Versio 27. tammikuuta 2014 kello 19.05
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This page describes the restoration of Gallträsk (81.055.1.009) – a 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
Main restoration and management measures
Year of implementation |
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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 |