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. 2022 Dec 6;12:21044. doi: 10.1038/s41598-022-25310-2

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Satellite images of the study region from which samples were obtained, from Google Earth (https://www.google.com.br/maps/) Version 9.174.0.2 based on data from SIO, NOAA and U.S. Navy. (a) Antarctica, with the Antarctic Peninsula indicated within the yellow rectangle, (b) South Shetland Islands indicated within yellow rectangle, (c) sampling locations at Walker Bay (Livingston Island), Whalers Bay (Deception Island) and English Strait. Satellite images a and b obtained from Google Earth Pro, 2019 (https://earth.google.com).