Quaternary environmental history of the Čejčské Lake (S. Moravia, Czech Republic)

Bulletin of geosciences

Břízová E¹ 

关键词: palynology;    palaeoalgology;    biostratigraphy;    lakes;    palaeoclimatology;    palaeoenvironment;    Quaternary;    Late Glacial;    Holocene;    S. Moravia;    Czech Republic;   

DOI  :  

来源: Czech Geological Survey

【 摘 要 】

ThewholeterritoryofBohemiaandMoraviawithonlytwoexceptionswaslocatedintheperiglacialregionduringtheQuaternaryglacialperiods.TheseexceptionswerethenorthernmostpartofBohemiaandthemouthoftheMoravianGatethroughwhichthecontinentalglacierinthepastpenetratedthiscountryandlefttracesintheformofmorainesandinMoraviaalsosedimentsintheoldestCzechlake,Stonava.Onthebasisofpollenanalysis,theorganicsedimentsrecoveredthereweredatedtotheHolsteinianInterglacial(Mindel/Riss).NaturallakesarerareintheCzechRepublic(Černé,Čertovo,Prášilské,Plešné,Laka,Stonava,Komořany,Chrást,StaráBoleslav,Polabskéčernavy,Soos,Měňany,Švarcenberk,andVelanskácesta),sincemostofitsterritoryhasneverbeenglaciated.Asindicatedbynewpalynologicalresearch,thisstatementdoesnotfullyapplytosouthernMoravia,whereanumberoflakesexistedinthepast,e.g.theformerlakesVracov,Čejčské,Kobylské,VacenoviceandVlkoš.ThedepositionoflakesedimentsoccurredmainlyintheHolocene.AccordingtothepresentresearchontheČejčskéLake,thevegetationassemblagesconsistofspecieswithvariousecologicalrequirements.Duetofavorablecircumstances,thissitehasbeenputforwardforprotectionanddesignatedaNaturalMonument.

【 授权许可】

Unknown