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Nina Ferrari and Mark Schulze pack up equipment at a tree instrumented for bird surveys at the Andrew’s Forest. Nina’s graduate student work has trees instrumented across the forest, many of which burned in the Lookout Fire.

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Aerial photo showing part of the Andrews Forest after the Lookout Fire. The mixed severity burn is fairly representative of the historical fire regime in the area.

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From left to right: Cole Doolittle, PhD Candidate; Arianna Dreschler, REU student, and Mark Schulze, HJ Andrews Experimental Forest Director work together to resurvey understory vegetation in the second year after a mixed-severity wildfire.

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An Oregon grape seedling, tagged, sprouts in the first year after the fire.

Andrews RETs Ivan’s RETs 2

2016 RET Leilagh Boyle co-leading field investigation lesson for the Numbers in Nature Math on the Mountain project

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Fig.4 Karla takes a traditional bulk density sample at 100 cm.

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Fig.4 Karla takes a traditional bulk density sample at 100 cm.

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Fig.3 Chris So separates large rocks from soil and root material.

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Fig.2 Soil profiles from three different watersheds with increasing rock content from 15% to >35% from left to right.