Destratification in deep fish culture reservoirs in Israel: Practice and modelling |
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| Authors: | Ana Milstein Myron Zoran and Hans Juergen Krambeck |
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| Institution: | (1) Fish and Aquaculture Research Station, Dor, M.P. Hof HaCarmel, 30820, Israel;(2) Max-Plank-Institute of Limnology, August Thienemann Str. 2, 24306 Ploen, Germany |
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| Abstract: | Thermal stratification negatively affects water quality, and thus is a threatto fish culture in deep water ponds and reservoirs. To prevent and controlit, a device based on an underwater propeller that vertically transportsoxygen rich warm water from the epilimnion down to the anoxic and colderhypolimnion was assembled. The empirical results so far obtained in Israelidual purpose reservoirs for field crop irrigation and fish culture aresummarized herein, and a mathematical model of the device's effect onreservoir thermal structure is presented. |
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| Keywords: | deep reservoirs destratification device fish culture pond mixing thermal stratification water quality |
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