TOXIC EFFECT OF PB, CD, NI AND ZN ON AZOLLA FILICULOIDES IN THE INTERNATIONAL ANZALI WETLAND

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KHOSRAVI M.; TAGHI GANJI M.; RAKHSHAEE R.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2005 | Volume:2 | Issue:1 Page(s): 35-40

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Title

TOXIC EFFECT OF PB, CD, NI AND ZN ON AZOLLA FILICULOIDES IN THE INTERNATIONAL ANZALI WETLAND

Author(s)

KHOSRAVI M. | TAGHI GANJI M. | RAKHSHAEE R. | Issue Writer Certificate

Keywords

AZOLLA FILICULOIDES

BIOACCUMULATION

LIVING BIOMASS

HEAVY METALS

Abstract

The limitation of plant growth in the polluted mediums can be used as a factor to determine of plant tolerance and the toxic effect of these mediums. In this work, the effect of Pb2+, Cd2+, Ni2+ and Zn2+ (individually) on AZOLLA FILICULOIDES growth in the aqueous solution and using this method to water post treatment were studied. During 15 days the biomass the fresh Azolla with initial mass of 20 g was grown on the nutrient solution containing these metal ions, each in a concentration 4 mg/l. The presence of these ions, caused about 25%, 42%, 31% and 17% inhibition of biomass growth, respectively, in comparison to Azolla control weight which had not HEAVY METALS. The water salinity of 1, 2 and 4 g. NaCl/l decreased the removal of these HEAVY METALS about 4-7%, 20-24% and 40-55%, respectively. The addition of total dissolved solids (TDS) from 50 to 300 ppm. (as CaCO3) into the samples of containing HEAVY METALS increased Azolla growth, but decreased the control Azolla growth.

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APA: Copy

KHOSRAVI, M., TAGHI GANJI, M., & RAKHSHAEE, R.. (2005). TOXIC EFFECT OF PB, CD, NI AND ZN ON AZOLLA FILICULOIDES IN THE INTERNATIONAL ANZALI WETLAND. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 2(1), 35-40. SID. https://sid.ir/paper/284891/en

Vancouver: Copy

KHOSRAVI M., TAGHI GANJI M., RAKHSHAEE R.. TOXIC EFFECT OF PB, CD, NI AND ZN ON AZOLLA FILICULOIDES IN THE INTERNATIONAL ANZALI WETLAND. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2005;2(1):35-40. Available from: https://sid.ir/paper/284891/en

IEEE: Copy

M. KHOSRAVI, M. TAGHI GANJI, and R. RAKHSHAEE, “TOXIC EFFECT OF PB, CD, NI AND ZN ON AZOLLA FILICULOIDES IN THE INTERNATIONAL ANZALI WETLAND,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 2, no. 1, pp. 35–40, 2005, [Online]. Available: https://sid.ir/paper/284891/en

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