R. Gamrat, T. Tomaszewicz, M. Wróbel, Tymoteusz Miller, J. Chudecka, S. Stankowski
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引用次数: 0
Abstract
ABSTRACT The model reclamation process of the studied fly ash deposits has been started in 2003 by formation of five different experimental surface layers containing fly ash and organic matter in various combinations. Then, grass mixture was sown on these surface layers. In 2015, selected properties of plant communities growing on different variants of surface layers applied in the reclamation process were assessed. It was assumed that the type of mineral and organic substrates used in the process and their quality were the main factors affecting the long term plant diversity present on different variants of restored surfaces. The aim of this analysis was the assessment of the effectiveness of ash waste reclamation (carried out on five different types of the surface layer) after 12 years since its initiation. The long term results of the reclamation process showed that the applied surface layers allowed for an effective reclamation of ashes since all variants of experimental surfaces were totally covered by dense vegetation. The predominance of plant species from ruderal and segetal habitats indicated that the soil of the experimental habitats was fertile with neutral and slightly alkaline pH, and texture of sandy loams. The experimental surface layers with a texture of sand of favourable C:N ratio, neutral or slightly alkaline did not limit the plant development. The use of organic waste markedly contributed to the floristic diversity of the spontaneously developed vegetation. Coniferous bark used in some experimental variants had a marked effect on their floristic distinctiveness due to the presence of species preferring habitats of lower pH values.
期刊介绍:
POLISH JOURNAL OF ECOLOGY (formerly Ekologia polska) publishes original scientific research papers dealing with all aspects of ecology: both fundamental and applied, physiological ecology, evolutionary ecology, ecology of population, community, ecosystem, landscape as well as global ecology. There is no bias regarding taxons, ecosystems or geographical regions.