A lacustrine palynological record from Long Lake/King George

  1. Luiz Antonio Costa Rodrigues
  2. Cláudia Barbieri Ferreira Mendonça
  3. Heitor Evangelista
  4. Sergei Verkulich
  5. Flavia Alves Tavares
  6. Vania Gonçalves-Esteves
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Abstract

A palynological analysis of a sediment core collected from Long Lake, Fildes Peninsula/King George Island/Antarctic Peninsula, revealed regional changes in depositional processes over the Late Holocene. The results revealed a record of pollen grains, spores, arthropod fragments, and fungi at top core layers, as well as intact individuals of Drepanocladus longifolius in deeper sections. Overall, pollen grains accompanied sedimentary laminated structures suggesting shrinkage of the climate at the pro-glacial environment, as well as an atmospheric connection between South America and the Northern Antarctic Peninsula modulated by the westerly winds.

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  1. Version published to 10.21203/rs.3.rs-7520482/v1 on Research Square