The impact of the Almalyk Industrial Complex on soil chemical and biological properties

Nosir Shukurov; Stanislav Pen-Mouratov; Yosef Steinberger

doi:10.1016/j.envpol.2004.12.007

The impact of the Almalyk Industrial Complex on soil chemical and biological properties

Nosir Shukurov, Stanislav Pen-Mouratov, Yosef Steinberger

The Mina and Everard Goodman Faculty of Life Sciences

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

The effect of heavy metals on soil free-living nematodes, microbial biomass (C_mic) and basal respiration (BR) was studied along a 15 km downwind deposition gradient, originating at the Almalyk Industrial Complex. Soil samples from 0-10 and 10-20 cm layers were collected at 5 km intervals. A significant decrease in heavy metal deposition was found going from the source in the downwind direction and with depth. The soil microbial biomass, basal respiration and derived microbial indices for soil samples from the Almalyk industrial area were analysed. The lowest soil microbial biomass and total number of free-living nematodes were found in soil samples near the industrial complex, with a high heavy metal and weak total organic carbon (C_org) content. The highest C_mic was found in the soil samples collected 15 km from the pollution source. BR displayed similar results. The derived indices, metabolic quotient (qCO₂) and microbial ratio (C _mic/C_org), revealed significant differences with distance, confirming environmental stress in the first and second locations. The present study elucidates the importance of soil nematode and microbial populations as suitable tools for bio-monitoring the effect of heavy metals on soil systems.

Original language	English
Pages (from-to)	331-340
Number of pages	10
Journal	Environmental Pollution
Volume	136
Issue number	2
DOIs	https://doi.org/10.1016/j.envpol.2004.12.007
State	Published - Jul 2005

Bibliographical note

Funding Information:
This project was supported by a UNESCO/ISRAEL co-sponsored fellowship for post-doctoral studies in science and technology to Nosir Shukurov. The authors wish to express their appreciation to Ms. Ginetta Barness, Ms. Einav Mayzlish, and Mr. Evgeny Klimanov, for useful comments during the study and for technical assistance. We also appreciate the helpful comments of an anonymous reviewer.

Funding

This project was supported by a UNESCO/ISRAEL co-sponsored fellowship for post-doctoral studies in science and technology to Nosir Shukurov. The authors wish to express their appreciation to Ms. Ginetta Barness, Ms. Einav Mayzlish, and Mr. Evgeny Klimanov, for useful comments during the study and for technical assistance. We also appreciate the helpful comments of an anonymous reviewer.

Funders	Funder number
UNESCO/ISRAEL

Keywords

Bioindicators
Contamination
Heavy metals
Soil

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10.1016/j.envpol.2004.12.007

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abstract = "The effect of heavy metals on soil free-living nematodes, microbial biomass (Cmic) and basal respiration (BR) was studied along a 15 km downwind deposition gradient, originating at the Almalyk Industrial Complex. Soil samples from 0-10 and 10-20 cm layers were collected at 5 km intervals. A significant decrease in heavy metal deposition was found going from the source in the downwind direction and with depth. The soil microbial biomass, basal respiration and derived microbial indices for soil samples from the Almalyk industrial area were analysed. The lowest soil microbial biomass and total number of free-living nematodes were found in soil samples near the industrial complex, with a high heavy metal and weak total organic carbon (Corg) content. The highest Cmic was found in the soil samples collected 15 km from the pollution source. BR displayed similar results. The derived indices, metabolic quotient (qCO2) and microbial ratio (C mic/Corg), revealed significant differences with distance, confirming environmental stress in the first and second locations. The present study elucidates the importance of soil nematode and microbial populations as suitable tools for bio-monitoring the effect of heavy metals on soil systems.",

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The impact of the Almalyk Industrial Complex on soil chemical and biological properties

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Keywords

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