Sand-gravel Pits

often serve as suitable secondary habitats for endangered plant and animal species that occur on or prefer sandy habitats. These open and dry habitats with patches of bare sand are missing in the surrounding landscape.

Piskovna Cep IIKlára Řehounková focuses her research on gravel and sand pits and their subsequent restoration. In her dissertation thesis she addressed all aspects of spontaneous restoration of sand pits, for instance the direct effect of the surrounding vegetation of the sand pit, colonisation with target and undiserable species etc. She promotes ecological restoration also among practitioners from mining companies and officials by organizing various workshops and seminars or publishing useful guides and anthologies (often in collabotation with nonprofit organization Calla).

Collaboration with one of our biggest mining companies HeidelbergCement Czech Republic resulted in 2012 in the participation of Klára's team in an international contest QuarryLife Award. Biological survey of the Cep II sand pit was conducted during that year with particular focus not only on vegetation but also on target groups of insect and partly also on fungi. Klára and her team won first place in the national and also international contest with their project "Cep II - sand pit for biodiversity". The output also contains a proposal for further near-natural restoration of the sand pit which is currently being successfully implemented (see News).

Spontaneous succession at the Cep II sand-gravel pit near the bank line, followed by rows of planted pine trees - forest reclamationLenka Šebelíková compares forestry reclamation and near-natural restoration in sand pits on different spatial scales in her dissertaion thesis. In her master thesis (in Czech) she addressed the same issue but in a small area (Třeboňsko region, South Bohemia).

Establishing of permanent plots Cep II - chessboardMonitoring of permanent plots Cep II - influence of microrelief on successionPermanent plots on the locality Cep IIDispersion of the dry-grassland biomass on the experimental plots in Cep IICep II - pernament plotsCep II - pernament plots: vegetation survey.Cep II - pernament plots: the effect of relief on successionExperimental grazing on sand-gravel pit.GeocachingGeocaching as an assist to maintaining open character of the pit (locality Lžín).Monotonous rows of pine trees: forestry-driven reclamationSheep being transported to the island by an tugboat.Recreational activities often help to maintain an open character.Stráž nad Nežárkou: forestry-driven reclamation