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Analysis Study Research Paper | Environmental Biology | India | Volume 12 Issue 3, March 2023 | Popularity: 4.7 / 10

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Investigating the Effect of Heavy Metals (Mercuric Chloride, Copper Sulphate and Zinc Sulphate) Exposure on Urea Levels in Earthworm

Vaidya V. V.

Abstract: Urea excretion in Perionyx excavatus were analyzed with reference to toxic effects of heavy metals mercuric chloride, copper sulphate and zinc sulphate heavy metals for 96hour after exposure. The worms for this observation were exposed to different concentrations of heavy metals viz. The lower and higher concentration calculated were 25 and 30 mg/kg dry soil for mercuric chloride, 60 and 150 mg/kg dry soil for copper sulphate and 140 and 350 mg/kg dry soil for zinc sulphate respectively for 5 days of exposure. They were stressed after 96hour because of toxicity intolerance; decline in values of urea excreted under different stress situations was noted. Severe stress was caused by heavy metals mercuric chloride, copper sulphate and zinc sulphate toxicants. This is probably due to alterations in body metabolism; this may affect growth, water and salt balance and reproduction of this detrivore. So, conservation of worms against toxicants is suggested for maintaining the soil fertile. Mercuric chloride was found to be more toxic at its highest concentration followed by the highest concentration of combination of both metals Copper sulphate and zinc sulphate.

Keywords: heavy metals, urea, conservation

Edition: Volume 12 Issue 3, March 2023

Pages: 429 - 433

DOI: https://www.doi.org/10.21275/SR23310123405

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