SOIL MICROBIAL BIOMASS AND ENZYME ACTIVITIES RESPONSE TO COPPER AND MOLYBDENUM POLLUTION IN THE VICINITY OF ZANGEZUR COPPER AND MOLYBDENUM COMBINE, ARMENIA

Authors

  • K.A. Ghazaryan Chair of Ecology and Nature Protection, YSU, Armenia
  • H.S. Movsesyan Chair of Ecology and Nature Protection, YSU, Armenia

DOI:

https://doi.org/10.46991/PYSU:B/2020.54.3.235

Keywords:

mining activities, soil, heavy metals, microbial biomass, extracellular enzyme activity, bioindicator

Abstract

The aim of this study was to define a relationship between heavy metal (Cu, Mo) pollution of soil and various extracellular enzyme activities. Six enzymatic activities involved in cycles of carbon, nitrogen, phosphorus and sulfur (β-glucosidase, chitinase, leucine-aminopeptidase, acid phosphomonoesterase, alkaline phosphomonoesterase, and arylsulphatase) as well as microbial biomass were determined in soil samples collected in the surroundings of Zangezur Copper and Molybdenum Combine. The investigations showed that pollution of soil with copper and molybdenum led to a decrease in microbial biomass and soil enzymatic activity, which in turn had a negative impact on cycles of chemical elements, in particular C, P, N and S. This gives reason to conclude that the changes in soil microbial biomass and enzymatic activity may act as indicators of soil biological activity and quality.

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Published

2020-12-15

How to Cite

Ghazaryan, K.A., and H.S. Movsesyan. 2020. “SOIL MICROBIAL BIOMASS AND ENZYME ACTIVITIES RESPONSE TO COPPER AND MOLYBDENUM POLLUTION IN THE VICINITY OF ZANGEZUR COPPER AND MOLYBDENUM COMBINE, ARMENIA”. Proceedings of the YSU B: Chemical and Biological Sciences 54 (3 (253):235-45. https://doi.org/10.46991/PYSU:B/2020.54.3.235.

Issue

Section

Biology