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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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afx_020.jpg Biological Diversity, Vegetation

forest and landscape burned in the Lookout Fire

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Researchers in an area burned the prior year in the 2023 Lookout Fire

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a Douglas Fir seedling begins the regreening of the forest

Barred Owl afw_017.jpg Biological Diversity

Barred Owl looking through the leaves with one eye closed. Taken on the 1506

Barred Owl afw_018.jpg Biological Diversity

Barred Owl looking at camera with one eye closed. Taken on the 1506

Wilson's Warbler afw_012.jpg Biological Diversity

Wilson's Warbler in mid-flight. Taken on the 1507

Wilson's Warbler afw_013.jpg Biological Diversity

Wilson's Warbler in a bush looking towards the left. Taken on the 1507

Wilson's Warbler afw_014.jpg Biological Diversity

Wilson's Warbler in a bush looking towards the right. Taken on the 1507

Wilson's Warbler afw_015.jpg Biological Diversity

Wilson's Warbler with insect in mouth. Taken on the 1507

Wilson's Warbler afw_016.jpg Biological Diversity

Wilson's Warbler with insect in mouth. Taken on the 1507

American Dipper Family afw_008.jpg Biological Diversity

American Dipper feeding young on a log. Taken over stream next to HQ

American Dipper Family afw_009.jpg Biological Diversity

American Dipper feeding young on a log. Taken over stream next to HQ

American Dipper afw_010.jpg Biological Diversity

Dipper on a rock in a stream. Taken next to HQ

Violet-green Swallow afw_011.jpg Biological Diversity

Violet Green Swallow on bridge railing. Taken on road to HQ

Brown Creeper afw_007.jpg Biological Diversity

Brown Creeper on tree, taken near Point 80 off of the 1506

Ore Fire afw_026.JPG

Smoke from the Ore Fire as seen from Headquarters, soon before the site was evacuated

afx_005.jpg Biological Diversity, Vegetation

burned soil, on the left, lost its top organic layer, in contrast to the unburned soil on the right

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many different types of fungi are colonizing areas that burned in the Lookout Fire

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this hole was created when a trunk of a tree burned away

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research plots, market out by PVC corner posts, had to be reestablished after the fire

afx_009.jpg Biological Diversity, Vegetation

forest and landscape burned in the Lookout Fire

afx_010.jpg Biological Diversity, Vegetation

forest and landscape burned in the Lookout Fire

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forest and landscape burned in the Lookout Fire

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forest and landscape burned in the Lookout Fire

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the old mass of tree roots burned away

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Rhododendrons are sprouting from the ground, where roos survived the fire

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area of burn with small hints of green regrowth beginning

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this piece of obsidian, knapped, indicates prior presence of Indigenous people. This artifact was left in place, as is required by law.

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burned tree root mass

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An unburned area and root mass

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researchers noted that morel mushrooms were abundant in areas of the forest that burned the prior year

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The Lookout Fire burned in patches of severity, where some areas were blackened and adjacent areas remained green

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The Lookout Fire burned in patches of severity, where some areas were blackened and adjacent areas remained green

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plot markers of PVC pipe didn't fare well in the fire and had to be replaced

Pyrogenic Carbon Sampling Spring 2024 aft_010.jpg

Yuzhe Wang, a visiting scholar to OSU and Associate Professor at the Fujian Agriculture and Forestry University in Fuzhou, China, measures a tree within a mixed burn severity area from the 2023 Lookout Fire

Pyrogenic Carbon Sampling Spring 2024 aft_011.jpg

Jacob Bukoski records data as part of a research project on pyrogenic carbon production from the Lookout Fire at HJA

Pyrogenic Carbon Sampling Spring 2024 aft_012.jpg

Yuzhe Wang, a visiting scholar to OSU and Associate Professor at the Fujian Agriculture and Forestry University in Fuzhou, China, measures tree diameter within a mixed burn severity area from the 2023 Lookout Fire

Pyrogenic Carbon Sampling Spring 2024 aft_013.jpg

Jacob Bukoski (left) and Yuzhe Wang (right) discuss burn patterns and take measurements as part of a project on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_014.jpg

Jacob Bukoski (left) and Yuzhe Wang (right) discuss burn patterns and take measurements as part of a project on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_015.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_016.jpg

Jacob Bukoski (left) and Yuzhe Wang (right) take samples of biochar on a tree trunk as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_017.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_018.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_019.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_020.jpg

Jacob Bukoski, Assistant Professor, College of Forestry, OSU, takes measurements of biochar as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_021.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_022.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_023.jpg

Yuzhe Wang (left) and Jacob Bukoski (right) take measurements as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_024.jpg

Jacob Bukoski, Assistant Professor, College of Forestry, OSU, takes samples of biochar as part of a study on pyrogenic carbon production from wildfire

Pyrogenic Carbon Sampling Spring 2024 aft_025.jpg

Jacob Bukoski, Assistant Professor, College of Forestry, OSU, takes samples of biochar as part of a study on pyrogenic carbon production from wildfire

Golden-crowned Kinglet afw_001.jpg Biological Diversity

Golden-crowned Kinglet with food in beak, taken near point 271 on Carpenter Mountain Trail

Dark-eyed Junco afw_002.jpg Biological Diversity

"Oregon" form Dark-eyed Junco, looking towards the left, taken on Carpenter Mountain Trail

Dark-eyed Junco afw_003.jpg Biological Diversity

"Oregon" form Dark-eyed Junco, on top of tree, taken on Carpenter Mountain Trail

Townsend's Warbler afw_004.jpg Biological Diversity

Female Townsend's Warbler, taken on top of Carpenter Mountain Trail

Hairy Woodpecker afw_005.jpg Biological Diversity

Hairy Woodpecker on tree, taken on Carpenter Mountain Trail

Chestnut-backed Chickadee afw_006.jpg Biological Diversity

Chestnut-backed Chickadee on branch looking towards up and to the right. Taken on Carpenter Mountain Trail

Andrews Landscape afw_025.jpg Biological Diversity

Landscape, looking towards Lookout Mountain, taken from Carpenter Mountain

Conducting Point Count afw_021.JPG

Steve Mooney conducting point count. Taken on Route 7

Walking on 1507 afw_019.JPG

Julia Miller and Lucy Heflin walking on 1507 after conducting point counts.

Conducting Point Count afw_020.JPG

Lucy Heflin conducting point count. Point count tree, HOBO, and song meter visible. Taken on Route 6

Checking hobo sensor afw_029.jpg Biological Diversity

Field technician Aiden Place checks on a hobo sensor used to measure microclimate in the forest

Checking hobo sensor afw_030.jpg Biological Diversity

Field technician Aiden Place checks on a hobo sensor used to measure microclimate in the forest

Navigating the forest afw_031.jpg Biological Diversity

Field technician Aiden Place navigates past large downed trees along the sampling route for birds

Burned area afw_032.jpg Biological Diversity, Disturbance

Field technician Aiden Place in an area along FSR 1507 that burned in 2023

point count afw_033.jpg Biological Diversity

Checking the hobo sensor at a bird pointcount site

Mack Creek burn afw_034.jpg Biological Diversity, Disturbance

Field technician Aiden Place along a bird pointcount route in the Mack Creek watershed, which burned in 2023

roots and crown afw_035.jpg Biological Diversity

This tree and its massive root system burned in the 2023 Lookout Fire

burn and moss afw_036.jpg Biological Diversity, Disturbance

This slope burned in the 2023 Lookout Fire. Note the dead tree crowns in the background and the returning moss in the foreground

Conducting Point Count afw_022.JPG

Steve Mooney conducting point count. Taken on Old Growth Trail

Conducting Point Count afw_028.JPG

Lucy Heflin conducting point count. Taken on Old Growth Trail

Eerie Fog afw_027.JPG

Eerie fog in burnt forest. Taken below 1507

Stream Ecology Spring 2024 afu_035.jpg

OSU graduate student, Meagan White, rinsing off decomposition strips with ethanol to halt decomposition after the two week incubation period

Stream Ecology Spring 2024 afu_044.jpg

OSU Faculty Research Assistant, Emilee Mowlds, sets up a wildlife cam to record how wildlife use a large log laying over the stream as a passageway

Stream Ecology Spring 2024 afu_045.jpg

OSU Faculty Research Assistant, Emilee Mowlds, measures the size of a large log laying across the stream as part of a study on wildlife use of downed wood as passageways

Stream Ecology Spring 2024 afu_025.jpg

A Surber sampler and sieve are used to collect stream invertebrates

Stream Ecology Spring 2024 afu_026.jpg

A Surber sampler is used to collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_027.jpg

A Surber sampler is used to collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_028.jpg

Undergraduate research technician Ashley Weissenfels (left), and OSU Faculty Research Assistant Emilee Mowlds (right) collect stream invertebrates using a Surber sampler

Stream Ecology Spring 2024 afu_029.jpg

Undergraduate research technician Ashley Weissenfels (left), and OSU Faculty Research Assistant Emilee Mowlds (right) collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_030.jpg

Undergraduate research technician Ashley Weissenfels (left), and OSU Faculty Research Assistant Emilee Mowlds (right) collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_031.jpg

Undergraduate research technician Ashley Weissenfels (left), and OSU Faculty Research Assistant Emilee Mowlds (right) collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_032.jpg

Emilee Mowlds holds a Pacific giant salamander

Stream Ecology Spring 2024 afu_033.jpg

Researchers at the edge of Lookout Creek, processing decomposition strips after a two week incubation period

Stream Ecology Spring 2024 afu_034.jpg

OSU graduate student, Meagan White, holds a small Pacific giant salamander

Stream Ecology Spring 2024 afu_043.jpg

OSU Faculty Research Assistant, Emilee Mowlds, uses a BenthoTorch to measure green algae, cyanobacteria, and diatoms in Lookout Creek

Stream Ecology Spring 2024 afu_023.jpg

Cotton strips are placed into blackout containers and incubated in the stream for two hours. Dissolved oxygen readings are then taken as a metric to measure metabolism in the tubes

Stream Ecology Spring 2024 afu_024.jpg

A range finder is used to measure the distance between large logs crossing the stream

Stream Ecology Spring 2024 afu_037.jpg

OSU graduate student, Meagan White, deploys cotton strips to measure decomposition rates in the stream

Stream Ecology Spring 2024 afu_038.jpg

OSU graduate student, Meagan White, rinsing off a decomposition strip with ethanol to halt decomposition after a two week incubation period

Stream Ecology Spring 2024 afu_039.jpg

OSU graduate student, Meagan White, measures dissolved oxygen consumed by microbes on a decomposition strip.

Stream Ecology Spring 2024 afu_040.jpg

Researchers measures dissolved oxygen consumed by microbes on a decomposition strip and collect stream invertebrates with a Surber sampler.

Stream Ecology Spring 2024 afu_041.jpg

Researchers rinse off a decomposition strip with ethanol to halt decomposition and collect stream invertebrates with a Surber sampler.

Stream Ecology Spring 2024 afu_042.jpg

OSU graduate student, Meagan White, measures dissolved oxygen consumed by microbes on a decomposition strip.

Northern Lights afw_023.jpg Biological Diversity

The Northern Lights. Taken at HQ, near the bottom of USGS debris flow fume

Northern Lights afw_024.jpg Biological Diversity

The Northern Lights. Taken at HQ, near the bottom of USGS debris flow fume

Pyrogenic Carbon Sampling Spring 2024 aft_001.jpg

Georgia Seyfried, Assistant Professor, College of Forestry, OSU, examines a tree trunk within the burned area of the 2023 Lookout Fire

Pyrogenic Carbon Sampling Spring 2024 aft_002.jpg

Jacob Bukoski, Assistant Professor, College of Forestry, OSU, and Georgia Seyfried examine a thick organic horizon within an unburned area of the HJA

Pyrogenic Carbon Sampling Spring 2024 aft_003.jpg

Jacob Bukoski and Georgia Seyfried examine a thick organic horizon within an unburned area of the HJA

Pyrogenic Carbon Sampling Spring 2024 aft_004.jpg

Jacob Bukoski and Georgia Seyfried next to the burned trunk of a western red cedar tree. Note the mixed severity burn pattern from the 2023 Lookout Fire, where some areas of the forest are burned and others are still green

Pyrogenic Carbon Sampling Spring 2024 aft_005.jpg

Jacob Bukoski within an area that was burned in the 2023 Lookout Fire

Pyrogenic Carbon Sampling Spring 2024 aft_006.jpg

Jacob Bukoski and Georgia Seyfried examine differences between burned and unburned soils in a stand that experienced mixed severity fire at the HJA

Pyrogenic Carbon Sampling Spring 2024 aft_007.jpg

Jacob Bukoski and Georgia Seyfried examine soil within a burned area of the HJA

Pyrogenic Carbon Sampling Spring 2024 aft_008.jpg

Georgia Seyfried examines soil within a burned area of the HJA

Pyrogenic Carbon Sampling Spring 2024 aft_009.jpg

Jacob Bukoski and Georgia Seyfried examine soil within a burned area of the HJA

Stream Ecology Spring 2024 afu_017.jpg

Researchers measure water quality in Lookout Creek (left) and attach a wildlife cam (right). The wildlife cam will be used to track use of the downed log as a passage way for animals crossing the creek

Stream Ecology Spring 2024 afu_004.jpg

Meagan White uses a flow meter to measure the velocity of the water in Lookout Creek

Stream Ecology Spring 2024 afu_005.jpg

A range finder is used to measure the wetted width of the streambed in Lookout Creek

Stream Ecology Spring 2024 afu_006.jpg

Researchers measure stream velocity, while placing decomposition strips

Stream Ecology Spring 2024 afu_007.jpg

Researchers measure stream velocity, while placing decomposition strips

Stream Ecology Spring 2024 afu_008.jpg

Researchers measure stream pH, conductivity, turbidity, and dissolved oxygen using a multi-parameter water quality meter

Stream Ecology Spring 2024 afu_009.jpg

A strand of cotton strips is buried under the leaf litter at the edge of the stream and will be used to measure riparian soil decomposition rates

Stream Ecology Spring 2024 afu_010.jpg

Researchers measure and record riparian soil humidity

Stream Ecology Spring 2024 afu_011.jpg

Researchers measure and record water quality in Lookout Creek

Stream Ecology Spring 2024 afu_012.jpg

OSU graduate student Meagan White (left) and OSU Faculty Research Assistant Emilee Mowlds (right) at Lookout Creek

Stream Ecology Spring 2024 afu_013.jpg

OSU graduate student, Meagan White, deploys cotton strips to measure decomposition and anchors in a temperature sensor used to measure stream temperatures over time

Stream Ecology Spring 2024 afu_014.jpg

OSU Faculty Research Assistant Emilee Mowlds(left) and graduate student Meagan White (right) on the Lookout Creek Old Growth trail after the 2023 Lookout Fire

Stream Ecology Spring 2024 afu_015.jpg

OSU Faculty Research Assistant Emilee Mowlds(left) and graduate student Meagan White (right) on the Lookout Creek Old Growth trail after the 2023 Lookout Fire

Stream Ecology Spring 2024 afu_016.jpg

OSU graduate student, Meagan White, in Lookout Creek just below the LO Trail bridge

Stream Ecology Spring 2024 afu_018.jpg

Researchers in Lookout Creek, eight months after the 2023 Lookout Fire

Stream Ecology Spring 2024 afu_019.jpg

OSU Graduate student Meagan White deploys a strand of cotton strips used to measure soil microbial activity and decomposition rates

Stream Ecology Spring 2024 afu_020.jpg

Lookout Creek, just above the bridge along the Old Growth trail, eight months after the 2023 Lookout Fire

Stream Ecology Spring 2024 afu_021.jpg

Lookout Creek, just above the bridge along the Old Growth trail, eight months after the 2023 Lookout Fire

Stream Ecology Spring 2024 afu_022.jpg

A temperature sensor is anchored to a stone and will be placed in the stream to measure water temperature over time

Stream Ecology Spring 2024 afu_036.jpg

OSU Faculty Research Assistant, Emilee Mowlds, uses a flow meter to measure the velocity (speed) of the water in the stream

Stream Ecology Spring 2024 afu_001.jpg

OSU Faculty Research Assistant, Emilee Mowlds, uses a sieve to collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_002.jpg

OSU graduate student, Meagan White, uses a Surbur sampler to collect stream invertebrates in Lookout Creek

Stream Ecology Spring 2024 afu_003.jpg

OSU graduate student, Meagan White, holds up a strand of cotton strips used to measure stream decomposition rates in Lookout Creek

afy_026.jpg Disturbance

A western chorus frog in a mossy area, after the fire

afy_027.jpg Disturbance

Burned area of the H.J. Andrews Experimental Forest after the 2023 Lookout Fire

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Unburned soil on the left and burned soil on the right, with much of its organic layer removed

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Researchers inspect a burned area of the forest that is part of a long-term study

afy_036.jpg Disturbance

Burned area of the H.J. Andrews Experimental Forest after the 2023 Lookout Fire

afy_037.jpg Disturbance

Forest Director Mark Schulze moves through an area of the HJA that burned in the Lookout Fire

afy_038.jpg Disturbance

OSU's Joy Jensen looks over a charred stump

afy_039.jpg Disturbance

These charred sections of wood are part of the 200-year Log Decomposition study. Even after the fire they have information to provide on decomposition rates and carbon.

afy_040.jpg Disturbance

Forest Director Mark Schulze looks over an area of the HJA that burned in the Lookout Fire

afy_041.jpg Disturbance

These charred sections of wood are part of the 200-year Log Decomposition study. Even after the fire they have information to provide on decomposition rates and carbon.

afy_042.jpg Disturbance

Researchers move through an area of forest that burned in the Lookout Fire

afy_043.jpg Disturbance

The fire created deep holes where roots and rotted looks burned away

afy_044.jpg Disturbance

Researchers Mark Harmon and Georgia Seyfried scan the forest for remnants of the Log Decomposition study

afy_045.jpg Disturbance

Researchers Jacob Bukoski and Georgia Seyfried inspect a charred tag that is part of the Log Decompositon study

afy_046.jpg Disturbance

Researcher Mark Harmon, who started the 200-year Log Decompostion study, finds an identification tag from one of the study's logs

afy_047.jpg Disturbance

A tag and log, charred, as part of the 200-year Log Decomposition study

afy_048.jpg Disturbance

Burned area of the H.J. Andrews Experimental Forest after the 2023 Lookout Fire

afy_049.jpg Disturbance

Photographer Nancy Floyd captures information through her lens and practiced eye

afy_050.jpg Disturbance

Researcher Fred Swanson and photographer David Paul Bayles have worked together on describing the forest after wildfire

afy_051.jpg Disturbance

A trip participant sketches the landscape of charred standing snags

afy_052.jpg Disturbance

Trip participants within an area of the forest that had high severity burn in the Lookout Fire

afy_053.jpg Disturbance

This tagged tree is part of the long-term vegetation study that has been tracking tree growth and mortality for decades

afy_054.jpg Disturbance

This tagged tree is part of the long-term vegetation study that has been tracking tree growth and mortality for decades