HJA Day is a field gathering at the HJ Andrews Experimental Forest. Activities include field trips to sites in the forest and presentations from researchers and managers. Everyone is welcome to attend - from OSU, the Forest Service, other institutions and organizations, and the local community. HJA Day is hosted by the Andrews Forest LTER Program.
HJA Day 2012 2013 2014
HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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HJA Day 2012
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Watershed 01 presentation with smoke bomb
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Watershed 01 presentation with smoke bomb
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Dean Thomas Manness and Zak Hansen
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Hydrology presentation by Steve Wondzell
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Hydrology presentation by Alba Argerich
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flint knapping demonstration
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Introduction by Steve Wondzell, USFS PNW
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Introduction by Cheryl Friesen, USFS WNF
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Spotted Owl presentation
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Spotted Owl presentation
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Ellie's Log presentation by Judy Li
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Ellie's Log presentation by Judy Li
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HJA Day participant
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Streams presentation by Dana Warren
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HJA Day participant
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Streams presentation
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Streams presentation
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Streams presentation
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Streams presentation
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Spotted Owl presentation
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GREEN House presentation
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GREEN House presentation
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Watershed 01 presentation
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Watershed 01 presentation by Christoph Thomas
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Welcome in the pavilion
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Watershed 01 presentation
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Introduction by Michael Nelson, OSU
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Watershed 01 presentation with smoke bomb
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Poet Charles Goodrich presents the Long Term Ecological Reflections program
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Julie Pett-Ridge and Jeff Hatten present on soil
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Historians Anita Guerrini and Sam Schmieding present the Andrews Forest History Project
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soil pit used for demonstration at HJA Day
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Attendees place their birthdate on an 800-year-old tree cookie
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Rob Pabst (left) and Tom Spies (right) present on long-term vegetation and big trees
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Julia Jones and Michael Nelson discuss long term research
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Tom Spies shows tree core samples
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HJA Day attendees
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tree core samples
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Tom Spies (right) presents to attendees
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Rob Pabst presents about long-term vegetation resesarch
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Tom Spies discusses vegetation research
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Graduate student Kevin Briggs presents on phenology
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attendee views tree core sample
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leaves and dew
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attendees view tree core sample
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Graduate student Kevin Briggs presents on phenology
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Chris Daly (left) and John Moreau (right) view climate data box
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Graduate student Kevin Briggs presents on phenology
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Chris Daly points out climate sensors
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Jeff Hatten presents on soil
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Chris Daly (left) and John Moreau (right)
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Jeff Hatten presents on soil
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truffle, in situ, shown by mycologist Dan Luoma
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Michael Nelson gives welcoming remarks
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Sherri Johnson presents information about the Forest
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Chris Thomas (right) discusses airshed with the aid of a smoke machine
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smoke machine shows air movement
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Chris Thomas shares graphics from climate data
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Kyle Jones demonstrates the octocoptor
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Matt Betts and Adam Hadley present on hummingbirds
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HJA Day attendees get their hands dirty examining soil samples
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Adam Hadley presents on pollinators
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Julie Pett-Ridge and Jeff Hatten present on soil
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Matt Betts and Adam Hadley present on hummingbirds
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Julie Pett-Ridge demonstrates soil ribbon
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Artist Bob Keefer works on a piece during HJA Day
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HJA Day attendees get their hands dirty examining soil samples
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Fred Swanson introduces exhibits
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Julie Pett-Ridge presents soil survey methods
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Attendees view posters and digital exhibits
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HJA Day attendees view soil sample
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Attendee views live webcams of a river and an osprey nest
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HJA Day attendees view soil sample
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historical maps of the HJ Andrews site
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standard soil sample reference for assessing soil color
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historical documents were presented
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Julie Pett-Ridge shares soil color charts
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Artist Bob Keefer discusses his work
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Attendees grade their soil samples for color
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Attendees views live webcams of a river and an osprey nest
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Attendees grade their soil samples for color
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Attendees test digital codes as part of the discovery trail
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Attendees grade their soil samples for color
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Artist Leah Wilson shares her artwork
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Jeff Hatten presents on soil
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