This dataset provides absolute counts of botanical and zoological macro-remains obtained from the MIS-5a sediment sequence retrieved from Sokli (Finland) in 2010. Counts per taxon are presented against sediment depth (m). The macroremain dataset consists of a total of 29 samples and provides information on terrestrial and aquatic ecosystem dynamics (Helmens et al., 2021). Macrofossil samples were prepared from subsamples of mainly ca. 10 ml³. The sediment was sieved using a 100 μm mesh under running water and the residue examined using stereo- and high-magnification light microscopes. The analyses were performed in the laboratories of the University of Helsinki, Finland.

Further funding was provided by SKB (Swedish Nuclear Fuel and Waste Management Company) and the Bolin Centre for Climate Research.