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David Paul Bayles (right) shares his photography of the Andrews Forest with HJA Day attendees
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Zheng Dong (OSU, far left) and David Bell (USFS PNW, left) discuss how climate change might affect forests in the Pacific Northwest
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David Bell (USFS PNW) holds a tree corer, an instrument used to take cores from trees. Tree cores can show scientists growth patterns of a tree over time.
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HJA Day attendees look at LIDAR images (top) and an older technology, landsat images (right)
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David Bell (USFS PNW) talks about remote sensing and what scientists can learn about looking at changes over the long term
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David Shaw (OSU, center) shows attendees a Western hemlock branch with dwarf mistletoe fruiting bodies
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David Shaw (OSU, center) points out a Western hemlock tree infested with dwarf mistletoe.
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Zheng Dong (OSU) shares information on modeling and the value of long-term data in trying to see ahead
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Anniversary cake for the 70th anniversary of the establishment of the HJ Andrews Experimental Forest
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Graduate student Sarah Kelly shares her work on the Discovery Trail at HJA Day 2018.
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The Pacific Northwest Permanent Sample Plot Program (PSP) reviews a map of the day's sample plot. The map was first created in 1979.
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Rob Pabst shares a map of the day's study site
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details of a 1979 map of the study sit, with stems diagrammed and mapped by hand
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David Shaw, Principal Investigator, OSU
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Rob Pabst, project coordinator
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David Bell, Research Forester, Pacific Northwest Research Station
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field crew reviews aerial images of the day's study site
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Rob Pabst, project coordinator, shares data on trends in tree mortality over four decades
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David Bell shares LIDAR images and tree height data of the day's sample plot
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David Shaw measures tree diameter with a DBH tape
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old growth forest near Mack Creek
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the field crew measures an old-growth tree
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the field crew measures an old-growth tree
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the field crew measures an old-growth tree