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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Predikace druhového složení těžeben na základě biotopového mapování okolní krajiny: využití charakteristických druhů vyšších rostlin
 SLABA, Michal
The surrounding habitats play an important role in the spontaneous vegetation succession in disturbed sites. They serve as donor sites for species colonizing various post-mining sites from the close surrounding. This diploma thesis deals with the species composition in post-mining sites and the surrounding habitats up to the 1 km distance from the locality. The results indicate, that basalt quarries share the largest amount of species with their surrounding habitats. The studied methods have got limited capability to predict the species composition of post-mining sites using only the knowledge about habitat types occurred in the surrounding. On the other hand, species composition of the surrounding habitats, defined by a selection of the representative relevés of the Czech National Phytosociological Database (CNFD), seems to be more promising approach. It could provide more precise results applied in ecological restoration of post-mining sites in the Czech Republic.
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Využití mapování biotopů pro stanovení ochranářského potenciálu těžeben: vegetační pohled
 SLABA, Michal
A geographic information system (GIS) provided framework for gathering and analysing of large dataset comprising all available recent mining sites in the Czech Republic. Biotope mapping was used as a main tool for prediction of conservation potential of mining sites. The proportion, type (natural vs modified by human, woodland vs non-woodland) and distance of biotopes up to 1 km distance from the edge of mining site have been evaluated. The information obtained from various maps was combined with relevés from selected mining sites (at least four relevés per locality) summarized in Database of Successional Series. Participation of target (i.e. grassland, woodland, wetland), and synanthropic species in relevés was calculated for each sampled locality. The results proved that only the distance to non-woodland biotopes up to 21 m from the edge of disturbed site had significant effect on participation of target species in the mining sites. Localities, where proportion of target species exceeded 50 %, were considered as perspective for nature conservation. The effectivity of this new method was verified on another dataset (less than 4 relevés per locality) and reached almost 70 %. This new approach can help with preliminary identification of localities with conservation potential but vegetation survey should be kept as integral part of each ecological restoration as effectivity of proposed method varied also among particular post-mining sites.
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See also: similar author names
1 SLABÁ, Miroslava
6 Slaba, Martin
6 Slaba, Martin
4 Slabá, Magdalena
1 Slabá, Marie
3 Slabá, Markéta
2 Slabá, Martina
3 Slabá, Michaela
4 Slabá, Michala
5 Slabá, Monika
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