Soil biogeochemical properties of Angren industrial area, Uzbekistan

Background, aim, and scope The present study examined air pollution effects on soil health applying microbiological parameters. It was carried out near the Angren heavy industry complex in a semiarid region of Uzbekistan. This area was selected in order to establish a national monitoring program for...

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Bibliographic Details
Published in:Journal of soils and sediments 2009-06, Vol.9 (3), p.206-215
Main Authors: Shukurov, Nosir, Pen-Mouratov, Stanislav, Steinberger, Yosef, Kersten, Michael
Format: Article
Language:English
Subjects:
Air pollution
Air pollution effects
Anthropogenic factors
Arid zones
Atomic absorption spectroscopy
Bioavailability
Biogeochemistry
Bioindicators
Biota
Earth and Environmental Science
Environment
Environmental assessment
Environmental conditions
Environmental monitoring
Environmental Physics
Heavy metals
Industrial areas
Industrial emissions
Land use
Microbiology
Nematoda
Nitrogen
Power plants
Sec 2 • Environmental Risk Assessment • Research Article
Semiarid lands
Soil pollution
Soil Science & Conservation
Soils
Spectral analysis
Spectrometry
Stack emissions
Studies
Water analysis
Wind
X-ray fluorescence
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Summary:Background, aim, and scope The present study examined air pollution effects on soil health applying microbiological parameters. It was carried out near the Angren heavy industry complex in a semiarid region of Uzbekistan. This area was selected in order to establish a national monitoring program for assessing environmental condition of areas remote but downwind from greater emission sources. Moreover, little information exists about how air pollution affects microbiological functioning of soils in semiarid and arid regions of the world, and especially those of Central Asia. Materials and methods Soil samples were collected in May 2005 along a 20-km NE-SW river valley transect downwind from the industrial complex. Soil chemical analyses included electrical conductivity, pH, water soluble Na, Ca, and K, total soluble nitrogen, and mineralizable nitrogen content upon a 1:2 digestion by deionized water. Major elements and heavy metal inventory in solids was measured by X-ray fluorescence and atomic absorption spectrometry. Microbiological ecosystem properties were assessed by biological indicators such as basal respiration (R B), microbial biomass related C and N contents, and microbial community functioning coefficients like the metabolic quotient qCO₂. Results There was a significant spatial dependence and differences for all soil chemical and microbiological parameters tested. The highest contents were found for the relatively volatile metals Zn (
ISSN:1439-0108
1614-7480
DOI:10.1007/s11368-009-0079-8