Microbial biomass and activity dynamics in restored lands in a metal contaminated region

© 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Bibliographische Detailangaben
Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 30(2021), 10 vom: 08. Dez., Seite 1957-1968
1. Verfasser: McKergow, M (VerfasserIn)
Weitere Verfasser: Narendrula-Kotha, R, Beckett, P, Nkongolo, K K
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Enzymatic activities Land reclamation Liming Metal contamination Microbial biomass Soil acidity Sudbury Soil
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245 1 0 |a Microbial biomass and activity dynamics in restored lands in a metal contaminated region 
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500 |a Date Completed 23.11.2021 
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500 |a Citation Status MEDLINE 
520 |a © 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature. 
520 |a Soil microbial communities are important for biogeochemical processes, along with the cycling of nutrients in an ecosystem. Their enzymatic activities are key indicators of their responses to stress. The objective of this research was to assess the effect of land reclamation on microbial biomass and activities in soils impacted by metal contamination. Phospholipid fatty acid analysis (PLFA) (PLFA) results revealed a significant increase in total microbial biomass, fungi, actinomycetes, and bacteria when limed soils were compared to unlimed samples. This change in microbial biomass was associated with a significant increase of pH. The overall level of the β-glucosidase (BG), cellobiohydrolase (CBH), and aryl sulfatase (AS) activities was significantly higher in the dolomitic limestone treated soils than in the untreated samples. However, the activity of glycine aminopeptidase (GAP) was significantly lower in the limed soil than in unlimed samples used as reference. No significant differences (P ≥ 0.05) were observed between the two types of lands (limed vs unlimed) for other enzymes tested, which includes β-N-acetylglucosaminidase (NAGase), acid phosphatase (AP), alkaline phosphatase (ALP), leucine aminopeptidase (LAP), and peroxidase (PER). The levels of enzymatic responses also varied among sites. Overall, this study revealed for the first time the effects of liming on soil microbial activities in recently reclaimed sites damaged by metals 
650 4 |a Journal Article 
650 4 |a Enzymatic activities 
650 4 |a Land reclamation 
650 4 |a Liming 
650 4 |a Metal contamination 
650 4 |a Microbial biomass 
650 4 |a Soil acidity 
650 4 |a Sudbury 
650 7 |a Soil  |2 NLM 
700 1 |a Narendrula-Kotha, R  |e verfasserin  |4 aut 
700 1 |a Beckett, P  |e verfasserin  |4 aut 
700 1 |a Nkongolo, K K  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Ecotoxicology (London, England)  |d 1992  |g 30(2021), 10 vom: 08. Dez., Seite 1957-1968  |w (DE-627)NLM098212214  |x 1573-3017  |7 nnns 
773 1 8 |g volume:30  |g year:2021  |g number:10  |g day:08  |g month:12  |g pages:1957-1968 
856 4 0 |u http://dx.doi.org/10.1007/s10646-021-02464-9  |3 Volltext 
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