Johnson_Erin_PIE_Villanova_cat1_5 – Erin Johnson
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A burn scar at the Bonanza Creek LTER.
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Dr. Sarah Power taking field notes in front of a snow patch. You can see dark biocrust growing along the edge of the snowpack.
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Meredith Snyder (left) and Dr. Jesse Jorna (right) having fun while sampling in the Fryxell Basin.
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Dr. Sarah Power (right) and Meredith Snyder (left) sampling in the Dry Valleys. This photo shows the microtopography of the dry valleys. The polygon cracks (bottom left) accumulate salt and moisture.
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Photo of biocrust in the Dry Valleys. The biocrust is the dark grey/black colored material on top of lighter soil.
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Map of Antarctica. The Dry Valleys are circled in red on the map of Antarctica. The Fryxell Basin, where Dr. Power’s study was conducted, is shown in the image on the right.
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Photo of “fall” (mid-August) in the Arctic.
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Amelia Harris spreading fertilizer in a long-term fertilization experimental site.
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