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  Fish performance and oxygen dynamics in a dual purpose resevoir (fish farming and field irrigation) in the Israeli coastal area

Milstein, A., Zoran, M., & Krambeck, H. J. (1992). Fish performance and oxygen dynamics in a dual purpose resevoir (fish farming and field irrigation) in the Israeli coastal area. Limnologica, 22(1), 43-50.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-E476-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-E477-6
Genre: Journal Article

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milstein_1992.pdf (Any fulltext), 464KB
 
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 Creators:
Milstein, Ana, Author
Zoran, Myron, Author
Krambeck, Hans Juergen1, Author              
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: Fish culture and irrigation reservoir; oxygen dynamics; primary production
 Abstract: Common carp (Cyprinus carpio ) grew at about 6 g/day and tilapia (Oreochromis ) at 3.7 g/day during the intensive growing period (May-August). Significant differences between months, hours and depths of temperature, oxygen concentration and saturation, chlorophyll and total suspended solids occurred. Heat transport from surface to bottom occurs during all the day hours, and DO and chlorophyll transport in the same direction by the end of the day. Oxygen production compensated oxygen consumption at three times the Secchi disk depth. Compensation depth in the reservoir (generally about 1 m depth) was higher than the reported 40-70 cm in shallow fish ponds. Gross primary production in surface waters ranged from 2.4 to 3.3 mg DO/l/hour, lower than in shallow fish ponds in the same area. Since the euphotic layer is thicker in the reservoir, gross primary production per unit area results the same in both systems (between 1.3 and 1.9 g DO/m super(2)/h).

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Language(s): eng - English
 Dates: 1992
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: eDoc: 285224
Other: 1312/S 36045
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Title: Limnologica
Source Genre: Journal
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Pages: - Volume / Issue: 22 (1) Sequence Number: - Start / End Page: 43 - 50 Identifier: ISSN: 0075-9511