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2 Polish Journal of Soil Science

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Reclamation and Development of Geomechanically Transformed Land in the Konin-Turek Coal Basin

100%

Mocek-Płóciniak A.

This overview article presents major forms of reclamation and development of external and internal spoil tips, which are formed during brown coal mining and from bottom ash dumped near open-pit mines and power stations. In the late 1970s, a new form of agricultural and forest recultivation was developed – the PAN model. According to the concept, crops and forest-forming plant species should be introduced to post-mining grounds immediately after the end of technical recultivation. Vegetation is a particularly reliable indicator of habitat properties and small changes taking place in nature undergoing recovery. Other bioindicators of the quality and health of newly formed soil include the biomass of microorganisms, their count, composition and enzymatic activity. In many countries the assessment of the influence of anthropogenic stress factors on the count of soil microorganisms has become one of key elements of obligatory inspection under environmental monitoring. In consequence of revitalisation of anthropogenically changed areas, biological life is restored within the period of at least 20–30 years. It is manifested by the development of microbial population and soil fauna.

Enzymatic Activity and Content of Polycyclic Aromatic Hydrocarbons (PAHs) in Soils under Low-Stack Emission in Lublin

38%

Futa B. , Bielińska E. J. , Ligęza S. , Chmielewski S. , Wesołowska S. , Patkowski K. , Mocek-Płóciniak A.

2017

tom 50

nr 1

Soils from the Lublin area exposed to low-stack emission from home heating and transport were investigated. Changes in soil enzymatic activity and polycyclic aromatic hydrocarbons (PAHs) content were analysed. Soil samples were collected in July and November 2016 and January 2017. Results of the study show that enzymatic activity and PAHs content depended on types of buildings, study period (intensification of pollutant emission from household heating), traffic volume and atmospheric air movement. Low enzymatic activities and high PAHs contents in the soils were observed in the autumn-winter period in the areas with dense single-family housing and located in the vicinity of streets with intense road traffic.