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An REU student extracts a core from a tree using a tree ring borer. In the picture the outermost part of the core (the bark) is being extracted.
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The tree core is slipped into a plastic straw for safe storage. It will be labeled and taken to a laboratory for further study.
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Two labeled tree core samples (left) were extracted per tree, and the coring tool (blue borer).
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Two labeled tree core samples (left) and the coring tool (blue borer).
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Research Experience for Undergraduates (REU) student Aaron Evans reviews the study plot map on his smartphone using a GPS app. Sampled trees show up as points on the map.
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Research Experience for Undergraduate (REU) students April Hersey (left) and Aaron Evans (right) at the HJ Andrews Experimental Forest.
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Dr. Catalina Segura (left), Aaron Evans (middle), and April Hersey (right).
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Researchers survey trees in Reference Stand 2 as they plan for a dendroecology study
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Researcher Dr. Andres Holz with a tagged tree in Reference Stand 2
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Left to right: PhD student Paola Arroyo Vargas and undergraduate researchers April Hersey, Desmond Willson, and Aaron Evans after a day of field work in the burned area at the HJ Andrews Experimental...
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OSU Faculty Research Assistant Bill Gerth in Watershed 1 with a Surber sampler, used to collect stream invertebrates
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OSU Undergraduate student Meagan White rinses aquatic insects from a sieve, after straining out the water from the Surber sample
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OSU Undergraduate student Meagan White displays a preserved sample of aquatic insects collected with a Surber sampler
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OSU Undergraduate student Meagan White closing a sample of aquatic insects collected with a Surber sampler
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Close up of the netting of the Surber sampler, which collects insects from the stream water
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Samples from the Surber sample cup are collected in a sieve
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Samples are put into a whirlpack bag where the aquatic insects will be preserved
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A tiny aquatic snail on the top left corner of the leaf
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A tiny crayfish, at the base of the spoon, is part of the aquatic invertebrate sample
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Researchers use a Surber sampler to collect aquatic invertebrates
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Researchers use a Surber sampler to collect aquatic invertebrates
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A Surber sampler is used to collect stream invertebrates
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The Surber sample cup is rinsed through a sieve to capture any small aquatic invertebrates