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Title: Role of soil algae on the initial stages of soil formation in sandy polluted areas
Other Titles: Rola glonów glebowych w inicjalnych etapach rozwoju gleby na zanieczyszczonych obszarach piaszczystych
Authors: Rahmonov, Oimahmad
Cabala, Jerzy
Bednarek, Renata
Rozek, Dorota
Florkiewicz, Adam
Keywords: heavy metals; organic compounds; soil algae; soil development; soil-algal crust
Issue Date: 2015
Citation: Ecological Chemistry and Engineering S, 2015, no. 4, s. 675-690
Abstract: Research to evaluate the role of the soil algae in the initiation of pedogenesis in sandy areas and to establish the mineral, chemical and organic composition of soil-algal crusts was done. The investigations area is located in southern Poland in a landscape of drift sand (Bledowska Desert) formed as a result of medieval deforestation related to Ag, Pb and Fe mining activities. Fifteen species of algae (Cyanophyta, Chlorophyta and Heterokontophyta) were identified. In the soil-algal crusts, Corg contents ranged from 0.35-2.23%, Pavail from 9-34 mg · kg–1 and Nt was variable. In investigated area the ground on which soil algae developed was acidic (pH 4.4-5.7 in KCl). Among mineral components in the crust, phases rich in Fe and K dominated (776.5(±2.3) - 2803(±31) mg · kg–1 and 230.5(±3.7) - 696(±22) mg · kg–1, respectively) and elevated concentrations of Zn, Mn and Pb occurred. Soil-crust organic matter includes aliphatic and aromatic compounds, carbohydrate derivatives, phenols, furan and pyrene structures. N compounds have significant contribution in composition of soil-algal crusts - the algae are main source of organic matter in this stage of soil formation. It could accelerate the regeneration of disturbed ecological systems.
DOI: 10.1515/eces-2015-0041
Appears in Collections:Artykuły (WNP)

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