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Comparison of Střezovská rokle natural monument with similar brown caol post-mining sites developing under the spontaneous succession
Drozenová, Veronika ; Hendrychová, Markéta (advisor) ; Jan, Jan (referee)
Minerals resources mining leads to soil degradation in the area of north Czech. Extensive dumps form because of brown coal mining. Unnecessary material of mining place imposes there.
These areas are rehabilitated due to recovery of landscape. Natural of renewe procedures are more valuable biologically spontaneous ekological succession especially.These successional areas have been compared with similar protected territory. Its name is Střezovská Rokle. To compare I have used sample group of Aculeata Hymenoptera. In ravine six areas have been compared with six dumps with active primary succession (dump Radvesická, Obránců míru, Velebudická and Vršanská). All of these are situated to Severočeská hnědouhelná pánev.
Acuelata insect is from three salvages (may, june, july). I have used technique traps of Moerick.
Overall 176 kinds of Acuelta hymenoptera insect have been found out in both locations.They have classified according to taxanomic inclusion. There are three menials (apoidea, vespoidea, chrysidoidea). Some detected kinds of insect have been significant types which have been determined by Red List.
Altogether 45 kinds of insect have been registred in both locations. 8 types have been registred in Střezovská Rokle and 37 kinds at dumps. They are compartmentalized to few categories by vulnerability. The biggest prevailing menial is Crabronidae. It reaches the biggest abundance in Střezovská Rokle (6 kinds) and in dumps as well.
Occurrence of significant kinds at dumbs surpasses protected territory Střezovská Rokle positively.
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Postindustrial sites in the Czech republic
Decheťová, Kristína ; Hendrychová, Markéta (advisor) ; Martin, Martin (referee)
Mining destroys ecosystems and creates degraded lands all over the Czech Republic. After mining are post-industrial sites created, which are likely to be an irreplaceable area for endangered plant and animal species. In the Czech Republic exist a lot of places, which are affected by mining and energetic industries. For these kinds of sites, early successional stages are characteristic. By the times that are not destroyed by technical restoration, these sites are later beginning a refuge for competitively weak species. Although researches in our country are highlighting the restoration ecology for a few decades like a suitable and cheap way to recovery, technical restorations are not decreasing. In the Jihočeský and Ústecký regions focused on sites, on which the mining was finished. These sites are going under succession and they are potentially suitable sites for many endangered species. Furthermore, in this work are outlines about active extractions presented, which were by raw mining material statistically evaluated from the size and their interference to SPA point of view within Czech Republic.
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Possibilities of use brown coal settling lagoons for nature protection.
Chládek, Jiří ; Hendrychová, Markéta (advisor) ; Růžička, Jan (referee)
Six study plots of different age and management located on brown coal combustion by-products from Ledvice power plant were chosen for aculea (wasps and bees) investigation. Data were collected by Moericky pan traps from May to August 2015. In total, 283 individuals of 70 species belonging to 9 families were determined. Ten species listed in Red list (3 species critical endangered, 3 species endangered, 4 species vulnerable). Strictly on reclaimed area was preferred by 8 species (52 individuals), strictly on succession area was found 23 species (132 individuals) and in total on non reclaimed areas (succession areas + areas without vegetation) was found 62 species (231 individuals).
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