Effect of Growing Miscanthus x giganteus on Soil Microbial Communities in Post-Military Soil

Diana Nebeská, Josef Trögl, Valentina Pidlisnyuk, Jan Popelka, Petra Veronesi Dáňová, Sergej Usťak and Roman Honzík
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Diana Nebeská: Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Králova Výšina 3132/7, 400 96 Ústí nad Labem, Czech Republic
Josef Trögl: Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Králova Výšina 3132/7, 400 96 Ústí nad Labem, Czech Republic
Valentina Pidlisnyuk: Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Králova Výšina 3132/7, 400 96 Ústí nad Labem, Czech Republic
Jan Popelka: Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Králova Výšina 3132/7, 400 96 Ústí nad Labem, Czech Republic
Petra Veronesi Dáňová: Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Králova Výšina 3132/7, 400 96 Ústí nad Labem, Czech Republic
Sergej Usťak: Crop Research Institute, Drnovská 507/73, 161 06 Praha 6 Ruzyně, Czech Republic
Roman Honzík: Crop Research Institute, Drnovská 507/73, 161 06 Praha 6 Ruzyně, Czech Republic

Sustainability, 2018, vol. 10, issue 11, 1-12

Abstract: Growing a second generation energetic plant Miscanthus x giganteus ( Mxg ) in former military sites appears to be a promising way to use such areas with synergic phytoremediation of contaminants (organic pollutants, potential toxic metals). Effect of Mxg growth on soil microbial communities during a two-year pot experiment with real post-military soil (Sliač, Slovakia) and the effect of potential toxic metal concentration was studied by analyses of microbial activities and phospholipid fatty acids (PLFA). Year-on-year positive changes in microbial community structure and state were detected (higher ratios of G+/G− bacteria and fungal/bacterial PLFA, and a decrease of stress indicators trans / cis and cy / pre PLFA). Portion of gram-positive bacteria correlated negatively with potential toxic metal concentrations; however, the concentration of potential toxic metals was not identified as the main stress factor—the access to bioavailable nutrients was more important. Overall, Mxg growth generally exhibited a positive effect on soil microorganisms.

Keywords: soil microbial communities; phytoremediation; Miscanthus x giganteus; post-military site; phospholipid fatty acids; extracellular enzyme activities (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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