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Life in Freshwater

Turbulence in Ponds and Lakes

Whilst ponds and lakes are classified as static water they are often far from being still. Turbulence caused by the wind can be very influential. It may cause substantial movement in the surface and the prevailing wind direction can easily be determined by looking around a lake. Debris will be moved to particular shores. This wind action creates underwater currents. This will not only move inanimate objects but will be central to distributing the fauna. Strong winds in spring and autumn are also the cause of the breakdown of the thermocline that helps to induce nutrient movement from the benthos.

Abiotic factors:

 


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