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In the foreground, student researcher April Hersey climbs a steep slope to reach trees in the study plot. In the background, student researcher Aaron Evans assesses the diameter at breast height (DBH...
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Dr. Catalina Segura at the HJ Andrews Experimental Forest.
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Research Experience for Undergraduate (REU) students April Hersey (left) and Aaron Evans (right) identify trees to be cored and studied. The trees are part of a study on vegetation dynamics and the...
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Undergraduate researcher April Hersey records the species and tag number of the tree that she is about to core. The tag number will allow the researchers to look up additional data about these trees...
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Research Experience for Undergraduates (REU) student April Hersey cores a tree in the HJ Andrews Experimental Forest.
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Research Experience for Undergraduates (REU) student April Hersey cores a tree in the HJ Andrews Experimental Forest.
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Research Experience for Undergraduates (REU) student Aaron Evans cores a tagged tree within an extended reference stand plot in the HJ Andrews Experimental Forest.
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In the field, tree cores are temporarily stored in plastic straws and labeled with location, year, stand number, tree species, and a unique ID for the tree.
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Research Experience for Undergraduates (REU) student Aaron Evans looks at potential trees to core at the HJ Andrews Experimental Forest.
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Research Experience for Undergraduates (REU) student April Hersey prepares herself to core a tree in the HJ Andrews Experimental Forest.
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Research Experience for Undergraduates (REU) student Aaron Evans cores a tree in the HJ Andrews Experimental Forest. The borer (0.5cm in diameter) extract a small section of wood from tree trunk: the...
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Research Experience for Undergraduates (REU) student Aaron Evans cores a tree in the HJ Andrews Experimental Forest. The borer (0.5cm in diameter) extract a small section of wood from tree trunk: the...
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Research Experience for Undergraduates (REU) student Aaron Evans cores a tree in the HJ Andrews Experimental Forest. The borer (0.5cm in diameter) extract a small section of wood from tree trunk: the...
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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...