|Lake name:||Nordborgsø||Country:||Denmark||GIG Region:||CB|
|GIG Type:||LCB1||Lake code:||----||Altitude(m a.s.l.):||6|
|Area (km²):||0.56||Mean depth (m):||5.0||Mixing regime:||Polymictic|
|Alkalinity (m eq/l):||3.5||Retention time (yr):||0.8||Chlorophyll a (µg/l):||34|
|Total phosphorus (µg/l):||241||Eutrophication status:||3 - High||Hydromorphological status:||----|
Lake Nordborg is situated in the southern part of Denmark. It was created during the ice age and is a 56 ha lake with a maximum depth of 8.5 m. Until the 12th century it was part of a fiord system. It is surrounded by urban and agricultural areas and is known as a eutrophic lake with generally low secchi depth and consequently very limited macrophyte growth. Macrophytes are dominated by characeans and elodea canadensis.
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