Eifel dry maar total carbon record of MIS3 is identical to Greenland ice δ18O.
Interstadial maar sediments show increase in diatoms and birch pollen.
General Eifel Landscape Evolution is however independent from interstadials.
Modern humans spread into central Europe at transition boreal forest to steppe.
Spruce forest developed in the early MIS3 in parts of central Europe.