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– Salagou (France) –

Lake name: Salagou Country: France GIG Region: Med
GIG Type: ---- Lake code: FRDL119 Altitude(m a.s.l.): 139
Area (km²): 7.2 Mean depth (m): 15 Mixing regime: ----
Alkalinity (m eq/l): 1.8 Retention time (yr): ---- Chlorophyll a (µg/l): 2.33
Total phosphorus (µg/l): 187.02 Eutrophication status: 2 - Medium Hydromorphological status: ----


The Salagou lake is a 40 year-old reservoir but non affected by artificial water level fluctuations. This reservoir is closed to Montpellier (50km) in a winegrowing region, that's why its principal use is water supply for irrigation. About 27% of its big catchment area is covered by agriculture. This lake is very popular for recreative activities, due to water temperatures reaching 28C during summer. Fauna and flora are very particular because of the red soils, made of iron oxide (called "Ruffe"). Two of the Biological Quality Elements were sampled in 2009: phytoplankton and macrophytes. Macrophyte communities are dominated by Myriophyllum spicatum and Ceratophyllum demersum. Within the WISER project, an hydro-acoustic sampling will be added to a gillnet survey of fish in 2010.

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WISER: "Water bodies in Europe: Integrative Systems to assess Ecological status and Recovery"
Online: [date: 2022/12/04]
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