Decomposition of Meadow and Forest Plant Roots in the Ash Substrate of Power Plant Dumps: A Laboratory Experiment

Бетехтина, А. А.; Nekrasova, Olga; Dergacheva, M. I.; Radchenko, T. A.; Bolshakov, V. N.

doi:10.1134/s1062359020010033

Cited by 4 publications

(2 citation statements)

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“…Particularly gradual maturation of the seeds made it possible to colonise the areas in slightly shallower parts at the water's edge. Betekhtina et al [29] analysing changes in the species composition in ash dump subjected 50 years plant natural succession, indicated permanent cover among others by Poa pratensis. This species achieved the highest C/N values (42.5), which testified to the low biological activity of the soils in this habitat, and at the same time about the wide ecological tolerance of this species.…”

Section: Discussionmentioning

confidence: 99%

“…Betekhtina et al [ 29 ] analyzing the species composition in the ash dump, subjected to over 50 years of natural succession, indicated the predominance of grasses from meadow habitats (including, for example, Poa pratensis ) and nitrophilous grassy ( Calamagrostis epigeios with a small share of herbs: Meadow ( Molinio-Arrhenatheretea class: Pimpinella saxifraga L., Achillea millefolium L.), forest fringe ( Trifolio-Geranietea sanquinei Th. Müller 1962: Silene nutans L.) or dry grassland ( Festuco-Brometea Br.-Bl.…”

Section: Discussionmentioning

confidence: 99%

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Morphological Features of Plants on Ash Settling Ponds. Case Study

Gamrat

Stankowski

Jaroszewska

2021

Plants

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Owing to variable water conditions, chemical conditions of water or ash substrate, ash settling ponds belong to anthropogenic objects which do not easily undergo plant succession. However, there are plants exhibiting biological traits allowing colonisation of a substrate characterised by variability in terms of acidity and heavy metal content. The aim of the study was to determine differences in morphology of plants colonising spontaneous surfaces of ash settling ponds with variability moisture level. We identified also differences in morphology of the plants. Identified: Agrostis stolonifera, Atriplex patula, Juncus bufonius, Phragmites australis, Poa pratensis and Ranunculus sceleratus. The obtained results broaden the knowledge on the bioremediation of degraded areas, indicate species that inhabit the surface of ash settlers. Lower water level in ash settling pond I created more favourable conditions for growth of the aboveground parts of plants, and higher waterlevel in ash settling pond II contributed to a more intensive development of the root part of plants. Considering the generative factors and measurement values of the aboveground part of plants, the best adapted species were Juncus bufonius and Atriplex patula. Due to changing water level in ash settling ponds, the species to be monitored is Phragmites australis—most deeply colonising the surface of ash settling ponds.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%