Lake Volkerak-Zoom: a lake shifting from the clear to the turbid state
Breukers, C.P.M.; van Dam, E.M.; de Jong, S.A. (1997). Lake Volkerak-Zoom: a lake shifting from the clear to the turbid state. Hydrobiologia 342/343: 367-376
Lake Volkerak-Zoom (area 6000 ha, mean depth 5 m) was created in 1987 by isolating a part of the Eastern Scheldt estuary. The new frehwater lake was clear despite a high phosphorus loading a few years after enclosure. However, from 1990 onwards the transparency dropped. This paper describes the transition from the clear to the turbid state in lake Volkerak-Zoom. The processes responsible for the final lowering of the transparency in the period 1988-1994 are discussed and also the measures necessary to meet the target situation: clear water with a transparency of 2 m.
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