bioRxiv preprint doi: https://doi.org/10.1101/2020.11.16.384065; this version posted November 17, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. 1 Holocene plant diversity revealed by ancient DNA from 10 lakes in northern 2 Fennoscandia 3 Dilli P. Rijal1,2*, Peter D. Heintzman1*, Youri Lammers1, Nigel G. Yoccoz2, Kelsey E. 4 Lorberau2, Iva Pitelkova1, Tomasz Goslar3, Francisco Javier Ancin Murguzur2, J. Sakari 5 Salonen4, Karin F. Helmens5,6, Jostein Bakke7, Mary E. Edwards1,8, Torbjørn Alm1, Kari 6 Anne Bråthen2, Antony G. Brown1,8, Inger G. Alsos1 7 1 The Arctic University Museum of Norway, UiT - The Arctic University of Norway, Tromsø, 8 Norway; 2 Department of Arctic and Marine Biology, UiT - The Arctic University of Norway, 9 Tromsø, Norway; 3 Faculty of Physics, Adam Mickiewicz University, Poznań, Poland; 4 10 Department of Geosciences and Geography, University of Helsinki, Finland; 5Swedish 11 Museum of Natural History, P.O. Box 50007, 10405 Stockholm, Sweden; 6 Värriö Research 12 Station, Institute for Atmospheric and Earth System Research INAR/Physics, P.O. Box 64, 13 00014 University of Helsinki, Finland; 7 Department of Earth Science, University of Bergen, 14 Norway; 8 School of Geography and Environmental Science, University of Southampton, UK 15 Southampton 16 Authors for correspondence: Dilli P. Rijal (
[email protected], Tel: +47 77620786), 17 Peter D. Heintzman (
[email protected], Tel: +47 77620741) and Inger G.