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. 2021 Feb 14;9(2):392. doi: 10.3390/microorganisms9020392

Figure 1.

Figure 1

Location of sampling sites in South Shetland Islands, Antarctica. Satellite photographs of Antarctic continent (A) and Antarctic Peninsula (B) with South Shetland Islands boxed (ESA copyright-CC BY-SA IGO3.0; https://creativecommons.org/licenses/by-sa/3.0/igo/). (C) Map of Deception, Livingston, Greenwich, and King George Islands indicating the studied glaciers. (D) Volcanic gradient and setting of samples collected at glaciers: 1 Rojo; 2 Macaroni; 3 Johnson; 4 Hurd; 5 Quito; 6 Traub; 7 Ecology; 8 Machu Picchu. Ash and lava embedded in glacial ice can be observed along the gradient in the lower images.