Selected properties of reclaimed mine soils in the area of a former gravel mine in north-eastern Poland

Smólczyński, Sławomir; Orzechowski, Mirosław; Kalisz, Barbara; Krupiński, Krzysztof

doi:10.37501/soilsa/121493

Cited by 3 publications

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“…This is common and related to the washing of labile compounds to lower parts of the soil profile. Furthermore, we also noted that the HWC concentration was lower in silted murshes than in the values reported for unsilted ones [23,44,45]. Therefore, we assumed that the concentration of HWC is not only related to TOC or washing but also to the siltation process.…”

Section: Discussionmentioning

confidence: 90%

Effect of Peatland Siltation on Total and Labile C, N, P and K

et al. 2021

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Large areas of peatlands, in addition to the effect of drainage, were subjected to erosional process and were silted. The objective of the study was to verify whether siltation of peatlands hampers mineralization of remaining peat and alters labile C, N, P and K. Total C and N were measured on a CN analyzer, and total P and K on an ICP spectrometer after microwave digestion. The labile fractions of C, N, P and K were extracted with hot water and measured on the CN analyzer and ICP spectrometer. We noted that labile C, N, P and K concentrations in silted topsoil were lower than the values reported in unsilted topsoil. Higher concentration of labile compounds in peats is a signal of higher biological activity and mineralization of organic matter. A TOC/TP < 300 and TOC/TN of approximately 8 in topsoil suggested diminished mineralization and supported our hypothesis that siltation hampered mineralization of organic matter. The TOC/TK ratio proved to be a fine indicator of the state of organic soils siltation, which enabled the separation of unsilted peats from silted topsoil (on the base of value of 177). It can be assumed that the mineralization of peat layers is hampered by the above lying silted topsoil, which is less biologically active, having less oxygen, and therefore conserving underlying peats against oxidation.

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Section: Discussionmentioning

confidence: 90%

Effect of Peatland Siltation on Total and Labile C, N, P and K

et al. 2021

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“…The first symptoms of soil-forming processes and the transformation of technogenic soil properties during the natural succession and reclamation in an opencast sand quarries in southern Poland were investigated by Kowalik and Wójcik (2005), Pietrzykowski and Krzaklewski (2007), and Pietrzykowski et al (2017). Similar studies were also conducted in northern Poland (Orzechowski et al, 2008;Smólczyński and Orzechowski 2010;Smólczyński et al, 2020). The studies showed that during technical reclamation, humus horizon was restored, as well as soil properties and soil production potential became similar to soil properties prior to exploitation.…”

Section: Technogenic Soils In Industrial and Mining Areasmentioning

confidence: 91%

Studies of technogenic soils in Poland: past, present, and future perspectives

Uzarowicz¹,

Charzyński²,

Greinert³

et al. 2021

Soil Sci. Ann.

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For a long time, the soils covering areas strongly transformed by human were ignored in scientifi c discourse. Also, practice did not care much about these soils because of their unproductivity. Only the large post-mining areas reclaimed and transformed into a forest or agricultural land were more interesting both for science and practice. In the case of post-mining areas the term "soilless land" was used for a long time, especially in relation to areas which were not reclaimed. In this paper, the past studies (until the end of 20 th century) of technogenic soils in Poland were described. Technogenic soils of urban and industrial areas appeared in scientifi c considerations in Poland in the second half of the 20 th century. In those times, soil properties on disposal sites were mainly investigated as a basic information for further design of technical and biological reclamation on disposal sites. Two Polish scientists should be emphasised as the world pioneers in concepts and studies of technogenic soils: (1) Michał Strzemski, who proposed a classifi cation scheme for soils in urban and industrial areas, as well as listed the tasks for future studies of these soils, and (2) Tadeusz Skawina, who focused on the dynamic and directions of the soil-forming processes on the mine spoils in the context of their reclamation. Moreover, studies of technogenic soils in the last two decades were also shown in the paper. From the beginning of the 21 st century the scientifi c research gained momentum. Nowadays, Polish researchers have great achievements in studying technogenic soils, including investigation of their properties, genesis, evolution, classifi cation, biological features etc. Furthermore, we drew some outlines for future studies of Technosols.

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Water Retention Potential in Novel Terrestrial Ecosystems Restored on Post-Mine Sites: A Review

Singh

Klamerus‐Iwan

Pietrzykowski

2022

Forests

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Many activities are conducted with the view of reducing CO2 emission from fossil fuels, but mining extraction will continue to be important for energy sources, mineral and metal ores, and the general economy. This activity has negative environmental consequences such as habitat loss, water scarcity, and soil degradation in novel ecosystems. Additionally, climate change, drought, and desertification accelerate important problems with water retention. From one point of view, identifying and conserving critical regions for ecological sustainability are issues of fundamental importance, but on the other hand, post-mine sites could provide additional carbon sinks and improve regional water retention (WR). This review paper analyses different studies focusing on the impact of the reclamation of mining sites on the water retention properties of soil. Water retention in reclaimed mining soil (RMS) increased considerably after various restoration efforts were implemented. The amount of water holding capacity in RMS was mostly affected by reclamation methods, soil properties, soil biota, restoration duration, and vegetation type. The major conclusions from the analysis were that (i) the bulk density of reclaimed mining soil ranges from 1.35 to 1.50 g/cm3 and decreases with restoration duration; (ii) Soil fauna increases soil water storage capacity and plant litter and earthworms convert litter to fecal pellets, which increases water field capacity; and (iii) water holding capacity increases with duration of reclaimed sites and type of plants, i.e., afforestation and tree communities have higher WR than younger grasslands. Therefore, identification of the suitable reclamation method, restoration duration, vegetation type, and soil fauna are important factors for increasing water retention capacity at a regional scale.

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Selected properties of reclaimed mine soils in the area of a former gravel mine in north-eastern Poland

Cited by 3 publications

References 0 publications

Effect of Peatland Siltation on Total and Labile C, N, P and K

Effect of Peatland Siltation on Total and Labile C, N, P and K

Studies of technogenic soils in Poland: past, present, and future perspectives

Water Retention Potential in Novel Terrestrial Ecosystems Restored on Post-Mine Sites: A Review

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