Betula and Fraxinus increase but Alnus always the main taxon ,
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 ,
The decline of some ligneous ,
Plantago and other ruderal plants attain their maximum frequencies ,
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 ,