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Tag: heavy metals

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anas

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Impact of the water quality of El-Rahawy Drain on so...

Created: 2020-07-22 10:32:45

Credits: anas

License: Creative Commons Attribution-Share Alike 3.0 Unported License

The present study aims to evaluate the water quality of two locations in Rosetta Branch of River Nile and its histopathological and genetic adverse effects on Nile tilapia (Oreochromis niloticus). Water and fish samples were collected from up and downstream of El-Rahawy Drain discharge point (location I and II, respectively) during the summer and winter seasons. The water quality, liver histopathology and DNA alteration of fish was examined. ISSR-PCR technique wa...

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William Senior

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Heavy metals concentration in the bivalves Anadara t...

Created: 2017-12-12 15:20:07

Credits: William Senior

License: Creative Commons Attribution-Share Alike 3.0 Unported License

The concentrations of heavy metals in the bivalve molluscs Anadara similis and A. tuberculosa are determined. The specimens were collected at 2 km from the mouth of Estero Huaylá, El Oro Province, Ecuador, in November 2013. The length and weight of each species were determined in the laboratory, with two length ranges being established for A. similis and four for A. tuberculosa. The meat of the organisms was extracted, washed and dried in an oven at 60 ° C for 72 h, then digested w...

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