Major and trace element distribution in the peat from ombrotrophic bogs in Latvia

Silamiķele, Inese; Kļaviņš, Māris; Nikodemus, Oļģerts

doi:10.1080/10934529.2011.572005

Cited by 14 publications

(6 citation statements)

References 18 publications

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“…There are relatively slight differences between concentrations of these metals in three peat bogs and between bogs and mineral soils (Figs 1-2). This supports the conclusions drawn by Silamiķele et al [26] -on the basis of analysis of peat samples taken in 44 representative raised bogs in Latvia -that these two metals are evidently of natural origin.…”

Section: Discussionsupporting

confidence: 80%

See 1 more Smart Citation

Heavy Metals Accumulation in Soil and Plants of Polish Peat Bogs

Borgulat¹,

Mętrak²,

Staszewski³

et al. 2018

Pol. J. Environ. Stud.

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Our study was carried out on three peat bogs that since the 1960s have been subjected to different degrees of anthropopression. The main objective of the research was assessment of heavy metal accumulation potential in peat bogs and in leaves of species growing on these peat bogs, namely Scots pine (Pinus sylvestris L.), birch (Betula pendula Roth), and wild rosemary (Ledum palustre L.). The concentrations of lead and cadmium in peat of Bagno Bruch (the Upper Silesian Industrial Region) exceeded the permissible levels for soils of protected natural areas. Heavy metal concentrations in plants growing in all analyzed sites show no toxic levels. Among the examined species, birch showed the highest ability to accumulate cadmium and zinc.

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Section: Discussionsupporting

confidence: 80%

“…Concentrations of iron and manganese found in peat bogs of the three analyzed sites are similar to the values obtained in the raised peat bogs in northern Europe [25][26]. There are relatively slight differences between concentrations of these metals in three peat bogs and between bogs and mineral soils (Figs 1-2).…”

Section: Discussionsupporting

confidence: 66%

Heavy Metals Accumulation in Soil and Plants of Polish Peat Bogs

Borgulat¹,

Mętrak²,

Staszewski³

et al. 2018

Pol. J. Environ. Stud.

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“…Several lists of criteria have been formulated to discriminate between abiotic and biotic structures [21-23]. Most of these criteria have been formulated from the study of microfossils in sedimentary rocks but Ivarsson [24] proposed a list of criteria adjusted to suit samples of crystalline rocks: (1) Is the geologic context compatible with life?…”

Section: Discussionmentioning

confidence: 99%

Chromite oxidation by manganese oxides in subseafloor basalts and the presence of putative fossilized microorganisms

2011

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Chromite is a mineral with low solubility and is thus resistant to dissolution. The exception is when manganese oxides are available, since they are the only known naturally occurring oxidants for chromite. In the presence of Mn(IV) oxides, Cr(III) will oxidise to Cr(VI), which is more soluble than Cr(III), and thus easier to be removed. Here we report of chromite phenocrysts that are replaced by rhodochrosite (Mn(II) carbonate) in subseafloor basalts from the Koko Seamount, Pacific Ocean, that were drilled and collected during the Ocean Drilling Program (ODP) Leg 197. The mineral succession chromite-rhodochrosite-saponite in the phenocrysts is interpreted as the result of chromite oxidation by manganese oxides. Putative fossilized microorganisms are abundant in the rhodochrosite and we suggest that the oxidation of chromite has been mediated by microbial activity. It has previously been shown in soils and in laboratory experiments that chromium oxidation is indirectly mediated by microbial formation of manganese oxides. Here we suggest a similar process in subseafloor basalts.

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“…Air pollution from metallurgical industries and coal combustion in Eastern Europe, e.g., the Soviet Union (SU), Poland, and the Czech Republic, caused widespread damage on the environment and human health (for example, see refs and ). However, no long-term assessment of heavy metal emissions other than Pb for this region exists so far, except a few heavy metal concentration records with low temporal resolution from sediment and peat bogs in Eastern Europe (see, for example, refs and ). In these studies actual emissions were not quantified.…”

Section: Introductionmentioning

confidence: 99%

Ice-Core Based Assessment of Historical Anthropogenic Heavy Metal (Cd, Cu, Sb, Zn) Emissions in the Soviet Union

Eichler

Tobler

Eyrikh

et al. 2014

Environ. Sci. Technol.

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The development of strategies and policies aiming at the reduction of environmental exposure to air pollution requires the assessment of historical emissions. Although anthropogenic emissions from the extended territory of the Soviet Union (SU) considerably influenced concentrations of heavy metals in the Northern Hemisphere, Pb is the only metal with long-term historical emission estimates for this region available, whereas for selected other metals only single values exist. Here we present the first study assessing long-term Cd, Cu, Sb, and Zn emissions in the SU during the period 1935-1991 based on ice-core concentration records from Belukha glacier in the Siberian Altai and emission data from 12 regions in the SU for the year 1980. We show that Zn primarily emitted from the Zn production in Ust-Kamenogorsk (East Kazakhstan) dominated the SU heavy metal emission. Cd, Sb, Zn (Cu) emissions increased between 1935 and the 1970s (1980s) due to expanded non-ferrous metal production. Emissions of the four metals in the beginning of the 1990s were as low as in the 1950s, which we attribute to the economic downturn in industry, changes in technology for an increasing metal recovery from ores, the replacement of coal and oil by gas, and air pollution control.

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Major and trace element distribution in the peat from ombrotrophic bogs in Latvia

Cited by 14 publications

References 18 publications

Heavy Metals Accumulation in Soil and Plants of Polish Peat Bogs

Heavy Metals Accumulation in Soil and Plants of Polish Peat Bogs

Chromite oxidation by manganese oxides in subseafloor basalts and the presence of putative fossilized microorganisms

Ice-Core Based Assessment of Historical Anthropogenic Heavy Metal (Cd, Cu, Sb, Zn) Emissions in the Soviet Union

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