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Andrews Forest has over 50 galleries that reflect the history, place, people, and research of the HJ Andrews Experimental Forest Long-Term Ecological Research Program.

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Holiday Farm Fire 2020 aeu_075.jpg

Watershed 9 gage house with tree fallen on it, steps and footbridge damaged by fire.

Holiday Farm Fire 2020 aeu_060.jpg

Remains of steps and electrical conduit in Watershed 1

Holiday Farm Fire 2020 aeu_059.jpg

WS1 trail on north-facing slope

Holiday Farm Fire 2020 aeu_058.jpg

North-facing slope of Watershed 1

Holiday Farm Fire 2020 aeu_057.jpg

Looking up to the north-facing slope of Watershed 1. Note smoldering areas. Many of the trees on the ground came down in the 2019 snowdown event. Large stump is visible in historic photos of WS1 post-logging

Holiday Farm Fire 2020 aeu_056.jpg

Looking down Watershed 1 towards gaging station from tower site. The fire burned on both slopes but did not burn the moist riparian area. Destroyed WS1 tower pieces in foreground.

Holiday Farm Fire 2020 aeu_055.jpg

Looking up Watershed 1. The fire burned on both slopes but did not burn the moist riparian area

Holiday Farm Fire 2020 aeu_054.jpg

Charred, south-facing slope of Watershed 1

Holiday Farm Fire 2020 aeu_053.jpg

Looking down into Watershed 1, over the charred remains of the wooden steps and railing. The WS1 tower is in pieces. Hillside of south-facing slope is charred.

Holiday Farm Fire 2020 aeu_052.jpg

smoldering log, slope along road to Watershed 1 landing

Holiday Farm Fire 2020 aeu_051.jpg

burned area, base of slope at road entrance to Watershed 1 landings

Holiday Farm Fire 2020 aeu_050.jpg

Andrews Forest information kiosk at the junction of the 15 and 1506 roads, with burned slope

Holiday Farm Fire 2020 aeu_106.jpg

Looking across the McKenzie River from the 15 Road - HWY 126 junction

Holiday Farm Fire 2020 aeu_066.jpg

Phenology Core Site 1, on the north-facing slope of Watershed 1. Tree tags and dendrometer bands in the background.

Holiday Farm Fire 2020 aeu_061.jpg

Watershed 1 gage house. Fire burned right up to its base.

Holiday Farm Fire 2020 aeu_062.jpg

Watershed 1 gage house and weir in background, charred conduit on hillslope in foreground

Holiday Farm Fire 2020 aeu_094.jpg

Smoke from hot spots of fire in Watershed 2

Holiday Farm Fire 2020 aeu_074.jpg

Photo of the north-facing slope of Watershed 1

Holiday Farm Fire 2020 aeu_073.jpg

Trail in WS1, north-facing slope. Burned area described as having "ash up to the ankles"

Holiday Farm Fire 2020 aeu_072.jpg

Melted tree label, intact aluminum tree tag, and dendrometer band. PC01

Holiday Farm Fire 2020 aeu_104.jpg

Area of high severity fire, along the 15 road (outside of the Andrews Forest), close to the junction with HWY126

Holiday Farm Fire 2020 aeu_070.jpg

Phenology Core Site 1, on the north-facing slope of Watershed 1. Tree tags and dendrometer bands in the background.

Holiday Farm Fire 2020 aeu_069.jpg

Patchy burns in Phenology Core Site 1 (PC01)

Holiday Farm Fire 2020 aeu_068.jpg

Patchy burns in Phenology Core Site 1 (PC01), Marked VAPA plant was top killed by heat but not burned over

Holiday Farm Fire 2020 aeu_067.jpg

Melted tree label, intact aluminum tree tag, and dendrometer band. PC01

Holiday Farm Fire 2020 aeu_065.jpg

Looking down into the base of Watershed 1, from the north-facing hillslope

Holiday Farm Fire 2020 aeu_064.jpg

Melted remains of what was a fiberglass pole with a hobo temperature sensor on top, one of the 186 distributed temperature stations across the HJA

Holiday Farm Fire 2020 aeu_063.jpg

Charred remains of the powerline from the landing to the Watershed 1 gage house.

Holiday Farm Fire 2020 aeu_049.jpg

Watershed 2 gage house. Fire was in upper Watershed 2 but the fire had not reached the gage house

Holiday Farm Fire 2020 aeu_029.jpg

Weir and gage house of Watershed 1

Holiday Farm Fire 2020 aeu_008.jpg

Looking up toward the Watershed 1 landing with burned area upslope

Holiday Farm Fire 2020 aeu_020.jpg

Fire in slope of Watershed 1, along access road

Holiday Farm Fire 2020 aeu_021.jpg

Fire in slope of Watershed 1, along access road

Holiday Farm Fire 2020 aeu_024.jpg

Fire on slope of Watershed 1

Holiday Farm Fire 2020 aeu_025.jpg

Looking up slope from the Watershed 1 gage house, fire damage on south slope to the right

Holiday Farm Fire 2020 aeu_026.jpg

Fire damage next to the gage house of Watershed 1, mesocosm insulation intact

Holiday Farm Fire 2020 aeu_027.jpg

Active fire on south slope of Watershed 1 with sediment basin in bottom right view

Holiday Farm Fire 2020 aeu_028.jpg

Gage house of Watershed 1 with fire activity on adjacent slope

Holiday Farm Fire 2020 aeu_023.jpg

Fire on slope of Watershed 1

Holiday Farm Fire 2020 aeu_030.jpg

Gage house of Watershed 1 with fire activity on adjacent slope

Holiday Farm Fire 2020 aeu_006.jpg

Fire line and sprinker set up behind apartment buildings at headquarters

Holiday Farm Fire 2020 aeu_019.jpg

Fire in slope of Watershed 1, along access road

Holiday Farm Fire 2020 aeu_018.jpg

Fire resource advisors in Watershed 1 landing area

Holiday Farm Fire 2020 aeu_010.jpg

Propane tank at Watershed 1 landing, with fire damage

Holiday Farm Fire 2020 aeu_011.jpg

Propane tank at Watershed 1 landing, with fire damage

Holiday Farm Fire 2020 aeu_012.jpg

Fire in Watershed 1 landing area

Holiday Farm Fire 2020 aeu_013.jpg

Fire resource advisors in Watershed 1 landing area

Holiday Farm Fire 2020 aeu_014.jpg

Fire resource advisors in Watershed 1 landing area

Holiday Farm Fire 2020 aeu_015.jpg

Fire resource advisors in Watershed 1 landing area

Holiday Farm Fire 2020 aeu_016.jpg

Fire resource advisors in Watershed 1 landing area

Holiday Farm Fire 2020 aeu_007.jpg

Fire line and sprinker set up behind apartment buildings at headquarters

Holiday Farm Fire 2020 aeu_009.jpg

Propane tank at Watershed 1 landing, with fire damage

Holiday Farm Fire 2020 aeu_017.jpg

Looking down into Watershed 1, from the top of the (once) wooden stairs leading down to the tower shed, now covered in blue tarp. Both the north and south slopes burned.

Holiday Farm Fire 2020 aeu_031.jpg

Gage house of Watershed 1 with fire activity on adjacent slope

Holiday Farm Fire 2020 aeu_032.jpg

Panoramic view of Watershed 1 sediment basin with active fire on south/far slope

Holiday Farm Fire 2020 aeu_043.jpg

Active fire and burned sediment basin dam in Watershed 9

Holiday Farm Fire 2020 aeu_044.jpg

Burned dam in the sediment basin of Watershed 9

Holiday Farm Fire 2020 aeu_045.jpg

Burned dam in the sediment basin of Watershed 9, with gage house in background

Holiday Farm Fire 2020 aeu_046.jpg

Charred tree stump and exposed soil, Watershed 9

Holiday Farm Fire 2020 aeu_047.jpg

Charred tree stump and exposed soil, Watershed 9

Holiday Farm Fire 2020 aeu_048.jpg

Watershed 10 gage house, not in fire boundary

Holiday Farm Fire 2020 aeu_004.jpg

Fire line around PRIMET station

Holiday Farm Fire 2020 aeu_003.jpg

Andrews Forest Headquarters

Holiday Farm Fire 2020 aeu_002.jpg

Looking west across the Mona Bridge, over Blue River

Holiday Farm Fire 2020 aeu_001.jpg

Smoke above the Blue River Reservoir, looking south

Holiday Farm Fire 2020 aeu_022.jpg Disturbance

Fire along slope of Watershed 1

Holiday Farm Fire 2020 aeu_042.jpg

Greg Downing collects a water sample from the Watershed 9 weir

Holiday Farm Fire 2020 aeu_037.jpg

Active fire in Watershed 1

Holiday Farm Fire 2020 aeu_005.jpg

Fire hose and fire line at Headquarters

Holiday Farm Fire 2020 aeu_033.jpg

closer view of damaged bypass hose between gage house and sediment basin of Watershed 1

Holiday Farm Fire 2020 aeu_034.jpg

Panoramic view of Watershed 1 sediment basin with active fire on south/far slope

Holiday Farm Fire 2020 aeu_035.jpg

View of Watershed 1 sediment basin with active fire on south/far slope

Holiday Farm Fire 2020 aeu_036.jpg

Active fire in Watershed 1

Holiday Farm Fire 2020 aeu_038.jpg

Active fire in Watershed 1

Holiday Farm Fire 2020 aeu_039.jpg

Watershed 9 gage house with fire damage and downed tree over gage house

Holiday Farm Fire 2020 aeu_040.jpg

Watershed 9 gage house with fire damage to footbridge and downed tree over gage house. Fire activity just adjacent.

Holiday Farm Fire 2020 aeu_041.jpg

Fire damage on slope of Watershed 9

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_043.jpg

Ivan Arismendi looks at several cutthroat trout caught in a reach of Lookout Creek.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_002.jpg Stream Ecology

Dave Leer (CreekWalker Photography) and OSU undergraduate student Rylee Rawson electroshocking to sample fish and salamanders. The animals are captured, measured, and released back into their original location.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_001.jpg Stream Ecology, Hydrology

Mainstem Lookout Creek, below the confluence with McRae Creek, in the HJ Andrews Experimental Forest

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_023.jpg Stream Ecology

This coastal giant salamander had a large fish, a sculpin, in its stomach. The fish came out during the gastric lavage procedure.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_017.jpg

Gut content of a trout included a yellow jacket, complete with stinger

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_033.jpg

Dave Leer, Rylee Rawson, and Ivan Arismendi electroshocking for fish and salamanders

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_003.jpg

Najma Ain, Rylee Rawson, and Dave Leer electroshocking in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_049.jpg

Mainstem Lookout Creek, below the confluence with McRae Creek, in the HJ Andrews Experimental Forest

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_035.jpg

Ivan Arismendi, left, and undergraduate stduent Najma Ain, catch fish in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_034.jpg

Electroshocking in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_032.jpg

Rylee Rawson, an undergraduate field technician, helps with sampling

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_031.jpg

The rocks in the stream were covered in algal growth

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_030.jpg

The pool behind this rock was home to a very large cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_029.jpg

Electroshocking in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_028.jpg

A very large cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_027.jpg

Theo Nuss recording data

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_026.jpg Stream Ecology

OSU undergraduate student Theo Nuss readies the sampling equipment

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_036.jpg

Dave Leer, Rylee Rawson, Ivan Arismendi, and Najma Ain, electroshocking for fish and salamanders

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_037.jpg

Ivan Arismendi, left, and undergraduate stduent Najma Ain, catch fish in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_038.jpg

Dave Leer, Rylee Rawson, Ivan Arismendi, and Najma Ain, electroshocking for fish and salamanders

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_048.jpg

Mainstem Lookout Creek, below the confluence with McRae Creek, in the HJ Andrews Experimental Forest. In the photo are two field technicians who are sampling gut content of fish and salamanders.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_047.jpg

Cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_046.jpg

Undergraduate student, Najma Ain, looks into a tub containing cutthroat trout of various sized. Researchers count and photograph the fish and return them to the stream.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_045.jpg

Each sample group of fish is photographed, with an identification card, and a ruler. Later, researchers use the ruler and special software to calculate the length of each fish in the photograph.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_044.jpg

Each sample group of fish is photographed, with an identification card, and a ruler. Later, researchers use the ruler and special software to calculate the length of each fish in the photograph.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_042.jpg

Undergraduate student Najma Ain, left, prepares a data card for the fish sample

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_041.jpg Stream Ecology

Ivan Arismendi (Assistant Professor, OSU) with Dave Leer (CreekWalker Photography) and OSU undergraduate students Najma Ain and Rylee Rawson electroshocking for fish and salamanders in Lookout Creek.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_040.jpg

Ivan Arismendi electroshocking for fish and salamanders in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_039.jpg

Undergraduate student Najma Ain, using a net to capture fish in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_025.jpg Stream Ecology

A coastal giant salamander being measured for length in the left bin, and the sculpin that was in the salamander's gut in the right bin

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_024.jpg Stream Ecology

Coastal giant salamander being measured for length

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_010.jpg Stream Ecology

Coastal giant salamander

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_005.jpg Stream Ecology

Dave Leer, Najma Ain, and Rylee Rawson electroshocking in Lookout Creek

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_006.jpg Stream Ecology

Fish and salamanders are collected into a temporary bin where they are measured before being released back into the stream.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_012.jpg

close up of a sample bag containing gut contents from a cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_007.jpg

Fish and salamanders are collected into a temporary bin where they are measured before being released back into the stream.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_008.jpg

Dave Leer, Najma Ain, and Rylee Rawson survey the fish and salamanders

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_009.jpg Stream Ecology

Coastal giant salamander, underside

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_011.jpg

Gwen Bury displays a sample bag containing gut contents of a cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_013.jpg

Mainstem Lookout Creek, below the confluence with McRae Creek, in the HJ Andrews Experimental Forest

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_014.jpg

Theo Nuss washes out the gut contents of a cutthroat trout by gastric lavage

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_022.jpg Stream Ecology

This coastal giant salamander had a large fish, a sculpin, in its stomach. The fish came out during the gastric lavage procedure.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_021.jpg Stream Ecology

OSU post-doc Gwen bury with a coastal giant salamander.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_020.jpg

Gut content is put through a coffee filter and the entire filter is kept to analyze all particulates later

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_019.jpg

A cutthroat trout having its gut contents washed out with a stream of water. The procedure is not harmful and the trout is released back into the stream afterwards.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_018.jpg

A cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_016.jpg

Gwen Bury records data on length of a cutthroat trout

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_015.jpg

After a gastric lavage, the gut contents are put through a coffee filter, to catch the particulates. The entire filter is saved in a sample bag for later analysis.

Lookout Creek Spatially Explicit Sampling of Aquatic Vertebrates aes_004.jpg Stream Ecology

Dave Leer, Najma Ain, and Rylee Rawson electroshocking for fish and salamanders in Lookout Creek. The bucket in the foreground has cutthtroat trout.

McRae 2019 aes_055.jpg Stream Ecology

A photo of McRae Creek, close to its confluence with larger Lookout Creek.

Lookout Creek 2019 aes_054.jpg Stream Ecology

OSU graduate students Emilee Mowlds and Francisco Pickens with undergraduate student Erik Swanson electrofishing for stream vertebrates in upper Lookout Creek.

Lower Lookout 2019 aes_053.jpg

Lower Lookout below the headquarters.

Lower Lookout 2019 aes_052.jpg

Lower Lookout below the headquarters.

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_045.jpg

Wrapping a metal identification tag around the stem of a western red cedar seedling

Emily Dewald-Wang holds a PVC pipe which is the target for the laser survey tool (total station). She calls out the species, size, and condition. The data are recorded into a tablet and then the tree's location is mapped with the total station laser. aer_055.jpg

Emily Dewald-Wang holds a PVC pipe which is the target for the laser survey tool (total station). She calls out the species, size, and condition. The data are recorded into a tablet and then the tree's location is mapped with the total station laser.

Emily Dewald-Wang holds a PVC pipe which is the target for the laser survey tool (total station). She calls out the species, size, and condition. The data are recorded into a tablet and then the tree's location is mapped with the total station laser. aer_053.jpg

Emily Dewald-Wang holds a PVC pipe which is the target for the laser survey tool (total station). She calls out the species, size, and condition. The data are recorded into a tablet and then the tree's location is mapped with the total station laser.

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_051.jpg

A 1m square plot within the larger plot FOREG31

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_005.jpg

A plant marked with one of the metal identification bands

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_006.jpg

Joseph LaManna, lead on the project, inspects plants within a 1m-square plot

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_007.jpg

Liam Engel enters data into a tablet

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_008.jpg

Matt Reala notes the measurement height on a PVC pipe that will be used with the survey tool to map trees

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_010.jpg

Maddie Sutton surveys vegetation within the plot

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_011.jpg

Joseph LaManna calibrates the laser survey tool (total station), which is used to map every stem larger than 1 cm diameter within the plot

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_012.jpg

A view within plot FOREG02, which contains Reference Stand 2.

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_013.jpg

A view within plot FOREG02, which contains Reference Stand 2.

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_014.jpg

Within each larger plot there are a series of 1m-square plots within which every stem is inventoried and recorded and within which all herbaceous plants are surveyed

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_015.jpg

Joseph LaManna (left) and Maddie Sutton (right) measure and record data on plant size and location

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_016.jpg

Matt Reala climbs through the plot and notes size, condition, and location of each stem >1cm in diameter

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_017.jpg

Joseph LaManna uses a laser survey tool (total station) to precisely map exact locations of stems within a plot

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_018.jpg

Matt Reala holds a PVC pipe with reflective target and rod level, used as the target for the laser survey tool (total station) in mapping stem distance and location

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_004.jpg

One of the numbered metal identification bands used to mark any woody plants within each 1m-square plot

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_003.jpg

Tools of the trade

Forests of Oregon Elevation Gradient (FOREG) 2019 aer_052.jpg

Joseph LaManna notes that trees can have two tags where the new FOREG plots and the old Reference Stands overlap. The two studies are planned to dovetail and complement each other (e.g. measurements will be taken at both nails in future years).