Bulletin of geosciences | |
Quaternary environmental history of the ÄŒejÄské Lake (S. Moravia, Czech Republic) | |
BÅ™Ãzová 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(ÄŒerné,ÄŒertovo,Prášilské,PleÅ¡né,Laka,Stonava,KomoÅ™any,Chrást,StaráBoleslav,PolabskéÄernavy,Soos,Měňany,Å varcenberk,andVelanskácesta),sincemostofitsterritoryhasneverbeenglaciated.Asindicatedbynewpalynologicalresearch,thisstatementdoesnotfullyapplytosouthernMoravia,whereanumberoflakesexistedinthepast,e.g.theformerlakesVracov,ÄŒejÄské,Kobylské,VacenoviceandVlkoÅ¡.ThedepositionoflakesedimentsoccurredmainlyintheHolocene.AccordingtothepresentresearchontheÄŒejÄskéLake,thevegetationassemblagesconsistofspecieswithvariousecologicalrequirements.Duetofavorablecircumstances,thissitehasbeenputforwardforprotectionanddesignatedaNaturalMonument.
【 授权许可】
Unknown
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