DBPapers
DOI: 10.5593/sgem2011/s20.168

THE ASSESSMENT OF FLOODED MINE SUBSIDENCE RECLAMATIONS IN THE UPPER SILESIA THROUGH THE FYTO AND ZOOCENOSIS

AUTHOR/S: L. PIERZCHALA, K. KASOVSKA, B. STALMACHOVA
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 3, 661-668 pp

ABSTRACT

The northeaster part of the Czech Republic is since the early 19th century associated
with underground coal mining. This activity brings economic benefit in addition to
changes in the landscape – soil depression followed by habitat destruction. Flooded
mine subsidences are an example of such degradation of native plant and animal
communities, biodiversity decline and wetland and aquatic ecosystems establishment.
For a long time, these ecosystems were considered worthless and unproductive [10].
The aim of the various reclaim methods was to restore the function; some flooded
subsidences were on the contrary left to the process of spontaneous development. The
present research was focused on comparing the effectiveness of biotechnical
reclamation methods to the directed succession and to the spontaneous development of
ecosystem. The main criterion was the malacocoenosis and phytocoenosis
characteristics. It was found that the reclamation method has a significant influence on
the emerging ecosystems. The vegetation characteristic assessment according to the
phytosociological classes share confirmed the usability of the method in assessing
reclamation efficiency. Data obtained on the basis of molluscs (terrestrial and aquatic
species) research are more difficult to assess. The reclamation controlled by managed
succession seems to be a suitable alternative to biotechnical reclamation, but the
concrete used methods must be further clarified in order to achieve higher efficiency in
this type of restoration.

Keywords: reclamation of postmining landscape, spontaneous succession, managed succession, wetland, Mollusca

PAPER 2011/s20.168: THE ASSESSMENT OF FLOODED MINE SUBSIDENCE RECLAMATIONS IN THE UPPER SILESIA THROUGH THE FYTO AND ZOOCENOSIS

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