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OSU graduate student Allison Swartz and OSU undergraduate student Cedar Mackaness measure specific conductivty and nutrient concentrations in a stream in the Andrews Forest
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A section of the eastern tributary to McRae Creek that is part of a study to assess the affect of light from canopy gaps on streams ecosystems.
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OSU undergraduate student, Cedar Mackaness, and OSU graduate student, Allison Swartz, measure gross primary production in stream metabolism chambers in a Andrews Forest stream
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OSU undergraduate student, Cedar Mackaness, and OSU graduate student, Allison Swartz, measure gross primary production in stream metabolism chambers in a Andrews Forest stream
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Lookout Creek in the HJ Andrews Experimental Forest LTER site
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Lookout Creek in the HJ Andrews Experimental Forest LTER site
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Lookout Creek in the HJ Andrews Experimental Forest LTER site
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Ferns along Lookout Creek in the HJ Andrews Experimental Forest LTER site
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soil measurement in a ring-corer which is a standard volume; Hatten removing excess soil from a bulk density core
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OSU graduate student Adrian Gallo takes a sample from a soil pit
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OSU graduate student Karla Jarecke samples soil in a soil pit
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OSU graduate student Karla Jarecke samples soil in a soil pit
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OSU graduate student Adrian Gallo studies soils, and tries not to fall down the hill
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soil sample; Jarecke packs soil sample for lab analysis
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A 1-meter deep soil pit, with a depth measurement tape
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Hatten beginning the process of decribing soil color with a Munsell book
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Hatten beginning the process of decribing soil color with a Munsell book, many soil colors from temperate enviroments land on this page
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From left to right: Lauren Matosziuk, Karla Jarecke, Jeff Hatten, and Adrian Gallo standing in one of the many precisely measured soil pits in HJA
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Jeff Hatten's trusty shovel, gifted to him from fellow graduate students when he finished his dissertation at UW
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Hatten cleaning off a soil pit so it can be sampled and photographed
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Beginning the process of refilling the soil pits after they have been analyzed
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Carefully backfilling all the material that came out of the soil pit with a heavy canvas tarp
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Karla Jarecke carefully filling voids of a soil pit and trying to mimic the previous bulk density of the soil prior to excavation