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RET James Stoe climbed a Douglas Fir tree to take measurements as part of her Research Experience for Teachers program at the Andrews Forest
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The Andrews Forest primary data catalog is hosted by the Oregon State University College of Forestry. Some of these datasets are also available in the EDI repository. This page filters all of...
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A tablet displays the study plot with the stem map of all the tagged trees in Reference Stand 38, a site within a regional long-term study on vegetation
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Field crew leader Andy Bluhm reviews the study plot map
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Field technician Sean Marcum records data on tree size and tree health
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Andy Bluhm locates a tagged tree, part of a long-term study on vegetation
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Andy Bluhm measures the diameter of a pacific yew tree that has a trunk growing parallel to the ground
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Field technician Sean Marcum records data on tree size and tree health as crew members measure and call out their data for recording
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Moving through the research plots can be a challenge due to large logs and steep slopes
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A tagged tree in the long-term vegetation permanent study plot study
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Field technician Sean Marcum records data on tree size and tree health
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Taking the diameter of a tagged tree, just above the nail. This tree is about 17cm diameter.
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Recording the tag number and diameter of a tree in the long-term vegetation study
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Researchers find and measure every tree in the study plot and mark each one off as they go. All tagged trees are tracked from year to year, over decades.
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Sometimes a tag comes off a tree and needs to be replaced
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Recording the tag number and diameter of a tree in the long-term vegetation study
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Comparing leaves of western hemlock (left) and Pacific yew (right)
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Comparing leaves of western hemlock (left) and Pacific yew (right)
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Andy Bluhm measures the diameter of a large Douglas fir tree in the HJ Andrews Experimental Forest
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Andy Bluhm measures the diameter of a large Douglas fir tree in the HJ Andrews Experimental Forest