๐”– Bobbio Scriptorium
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Recent ecological changes in the Nile System in the Sudan

โœ Scribed by A. I. El Moghraby; M. Tag el Seed; F. Sinada; O. M. Ali


Publisher
Springer Netherlands
Year
1986
Tongue
English
Weight
287 KB
Volume
13
Category
Article
ISSN
0343-2521

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Young of Tilapia nilotica L. were subjected to acidic and alkaline media of different pH over 24 h periods. Dilute hydrochloric acid was used to lower the hydrogen ion concentration of the test medium. A pH lower than 2.9 resulted in immediate mortality, whereas a pH of 3.5 and above produced no mor