M. and =. Salix, Betula and Fraxinus increase but Alnus always the main taxon

J. Appearance, Small rise of Betula Regressive tendency of the herbaceous vegetation apart from Cerealia. Decline of ferns MQB 6a = slight enhancement of Ulmus, Fraxinus, Carpinus and shrubs. Small renewal of Cannabis

C. Appearance, The decline of some ligneous

. Cerealia, Plantago and other ruderal plants attain their maximum frequencies

U. Rise, First appearance of Tilia and Fraxinus. Alnus becomes sub-continuous. Salix disappears. Slight development of Asteraceae. Appearance of Cerealia and Plantago. Diversification towards water plants