Millennial-scale variations in Arctic sea ice are recorded in sedimentary ancient DNA of the microalga Polarella glacialis

Harðardóttir, Sara; S. Haile, James; Louise Ray, Jessica; Limoges, Audrey; Van Nieuwenhove, Nicolas; Lalande, Catherine; Grondin, Pierre-Luc; Jackson, Rebecca; Sandnes Skaar, Katrine; Heikkilä, Maija; Berge, Jørgen; Lundholm, Nina; Massé, Guillaume; Rysgaard, Søren; Seidenkrantz, Marit-Solveig; De Schepper, Stijn; D. Lorenzen, Eline; Lovejoy, Connie; Ribeiro, Sofia

doi:10.1038/s43247-023-01179-5

Public

Millennial-scale variations in Arctic sea ice are recorded in sedimentary ancient DNA of the microalga Polarella glacialis

Shared by NobleBlocks on Jan 9, 2024 • 12:00 AM UTC

Authors:

Sara Harðardóttir

James S. Haile

Jessica Louise Ray

Abstract

Abstract Sea ice is a critical component of the Earth’s Climate System and a unique habitat. Sea-ice changes prior to the satellite era are poorly documented, and proxy methods are needed to constrain its past variability. Here, we demonstrate the potential of sedimentary DNA from Polarella glaciali...

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