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The use of microbial parameters in monitoring soil pollution by heavy metals

The use of microbial parameters in monitoring soil pollution by heavy metals,10.1007/BF00336094,Biology and Fertility of Soils,P. C. Brookes

The use of microbial parameters in monitoring soil pollution by heavy metals   (Citations: 289)
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Microbial parameters appear very useful in monitoring soil pollution by heavy metals, but no single microbial parameter can be used universally. Microbial activities such as respiration, C and N mineralization, biological N2 fixation, and some soil enzymes can be measured, as can the total soil microbial biomass. Combining microbial activity and population measurements (e.g., biomass specific respiration) appears to provide more sensitive indications of soil pollution by heavy metals than either activity or population measurements alone. Parameters that have some form of “internal control”, e.g., biomass as a percentage of soil organic matter, are also advantageous. By using such approaches it might be possible to determine whether the natural ecosystem is being altered by pollutants without recource to expensive and long-running field experiments. However, more data are needed before this will be possible. Finally, new applications of molecular biology to soil pollution studies (e.g., genetic fingerprinting) which may also have value in the future are considered.
Journal: Biology and Fertility of Soils - BIOL FERT SOILS , vol. 19, no. 4, pp. 269-279, 1995
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    • ...Various parameters were applied to characterize the soils in microbiological terms, namely basal respiration (BR), microbial biomass carbon (MBC), metabolic quotient (qCO2), ratio of MBC to total organic carbon (TOC), arginine ammonification, and dehydrogenase activity (Baath 1989; Anderson and Domsch 1990; Dick 1994; Wardle and Ghani 1995; Brookes 1995; Giller, Witter, and McGrath 1998; Mabuhay, Nakagoshi, and Horikoshi 2003; Zhang Xu et al...

    N. Cañizales-Paredeset al. Evaluation of the Effects of Soil Depth on Microbial Activity in Three...

    • ...It is also frequently used as an early indicator of changes in soil chemical and physical properties resulting from soil management and environmental stresses in agricultural ecosystems (Brookes 1995; Jordan et al...

    Bibhuti B. Daset al. Organic Amendment Effects on Microbial Population and Microbial Biomas...

    • ...As a result of heavy metal contamination, decreased CO2 evolution, decreased turnover rate of soil organic matter (SOM), and damaging effects to the microbial population were reported so that the microorganisms act as ideal monitors of soil pollution (Brookes 1995)...
    • ...Biosolids containing organic matter and nutrients are often contaminated with elevated concentrations of heavy metals (McLaughlin et al. 2006; Brookes 1995)...
    • ...Hence, heavy metals accumulate with repeated additions of biosolids (Brookes 1995; McLaughlin et al. 2006; McGrath et al. 1995)...
    • ...This is in agreement with Brookes (1995) who reports on heavy metals decreasing the turnover rate of organic matter, presumably because of inhibitory effects on the microorganisms...
    • ...But in contrast, our results show that the inhibitory effects of heavy metals on the microbial biomass as observed by Brookes (1995) are abolished by the addition of easily available organic substrates...

    Heike Ohmet al. Respiration and priming effects after fructose and alanine additions i...

    • ...Soil microorganisms are involved in almost all of the biochemical reactions, and it can sensitively reflect the degree of soil pollution and changes in soil health [1]...
    • ...Soil microbial biomass carbon (Cmic) and soil respiration are usually used as important biological indicators for identifying the heavy metals and other pollutants which affect the soil microbial activity [1]...

    Xianghua Xuet al. Ecological effects of single and combined pollution of cadmium and phe...

    • ...The problem is being exacerbated by increasing anthropogenic activity and improper use of industrial effluents, sewage sludge and inorganic fertilizers containing heavy metals (Brookes, 1995)...

    Fanrong Zenget al. GENOTYPIC DIFFERENCES IN NUTRIENT UPTAKE AND ACCUMULATION IN RICE UNDE...

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