Late Vistulian and Holocene changes in the Ner river valley in light of geological and palaeoecological data from the Ner-Zawada peatland

Abstract

Th e Ner-Zawada peatland is located in the valley of the Ner River in Central Poland. It is a small fen peatland that was formed in the Allerod Period. In the Younger Dryas, it was transformed into a lake and became a peatland again in the Holocene. Within the peatland and around it, geological and archaeological research was carried out. A sediment core collected in the central part of the peatland was subjected to the analysis of pollen, fossil Cladocera, and absolute dating. Th is study allows a reconstruction of palaeoecological changes in the peatland and drawing conclusions about the palaeogeography of the middle section of the Ner River valley during the past 13 000 years.