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Response of microbial community composition in soils affected by coal mine exploitation

Authorized Users Only
2020
Authors
Hamidović, Saud
Gojgić-Cvijović, Gordana
Waisi, Hadi
Životić, Ljubomir
Janković Šoja, Svjetlana
Raičević, Vera
Lalević, Blažo
Article (Published version)
,
Springer
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Abstract
Surface mining activities, despite their benefits, lead to the deterioration of local and regional environmental quality and play a role in global ecosystem pollution. This research aimed to estimate the culturable microbial population structure at five locations near the opencast coal mine “Kakanj” (Bosnia and Herzegovina) via agar plate and phospholipid fatty acids (PLFA) method and to establish its relationship to the physical and chemical properties of soil. Using the ICP-OES method, the heavy metal pollution of all examined locations (overburden, former grass yard, forest, arable soil, and greenhouse) was observed. Substantial variations among the sites regarding the most expressed indicators of heavy metal pollution were noted; Cr, Pb, Ni, and Cu content ranged from 63.17 to 524.47, 20.57 to 349.47, 139.13 to 2785.67, and 25.97 to 458.73 mg/kg, respectively. In the overburden sample, considerable low microbial activity was detected; the bacterial count was appro...ximately 6- to 18-fold lower in comparison with the other samples. PLFA analysis showed the reduction of microbial diversity, reflected through the prevalence of normal and branched saturated fatty acids, their ratio (ranged from 0.92 to 7.13), and the absence of fungal marker 18:2ω6 fatty acid. The principal component analysis showed a strong negative impact of heavy metals Na and B on main microbial and PLFA profiles. In contrast, stock of main chemical parameters, including Ca, K, Fe, and pH, was positively correlated with the microbial community structure.

Keywords:
Coal mine exploitation / Heavy metal pollution / Microbial abundance / PFLA
Source:
Environmental Monitoring and Assessment, 2020, 192, 6, 364-
Publisher:
  • Springer Nature Switzerland AG 2020
Projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200051 (Institute of General and Physical Chemistry, Belgrade) (RS-200051)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200116 (University of Belgrade, Faculty of Agriculture) (RS-200116)

DOI: 10.1007/s10661-020-08305-2

ISSN: 0167-6369; 1573-2959

PubMed: 32409938

WoS: 000532973300001

Scopus: 2-s2.0-85084702576
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3585
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