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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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afv_015.jpg Stream Ecology, Education

A sieve holds a sample of rocks and stream invertebrates

afv_016.jpg Stream Ecology, Education

researchers pause to look at a small salamander

afv_017.jpg Stream Ecology, Education

Undergraduate Mercedes Allen with a small pacific giant salamander

afv_018.jpg Stream Ecology, Education

student and teacher researchers use a serber sampler to collect stream invertebrates

afv_019.jpg Stream Ecology, Education

RET Matt Retterath collects stream invertebrate samples into a bag

afv_020.jpg Stream Ecology, Education

Graduate student Tatiana Latorre inspects sticky traps set out to capture insects that fly along and across the streambed

afv_021.jpg Stream Ecology, Education

Graduate student Tatiana Latorre inspects sticky traps set out to capture insects that fly along and across the streambed

afv_022.jpg Stream Ecology, Education

Graduate student Tatiana Latorre inspects sticky traps set out to capture insects that fly along and across the streambed

afv_024.jpg Stream Ecology, Education

RET Ryan Herlands with a serber sampler

afv_023.jpg Stream Ecology, Education

Graduate student Tatiana Latorre inspects sticky traps set out to capture insects that fly along and across the streambed

afv_025.jpg Stream Ecology, Education

Teachers examine stream invertebrates

afv_026.jpg Stream Ecology, Education

This tree's tag number identifies it as part of a long-term study on tree growth and mortality

afv_027.jpg Stream Ecology, Education

Graduate student Tatiana Latorre moves through her sample plots at the HJ Andrews Experimental Forest

afv_028.jpg Stream Ecology, Education

Undergraduate and teacher researchers pause to pose with a small salamander

afv_029.jpg Stream Ecology, Education

Graduate student Tatiana Latorre, undergrad Mercedes Allen, and teacher pose with a small salamander

afv_030.jpg Stream Ecology, Education

The whole crew stops for a picture

afv_031.jpg Stream Ecology, Education

The whole crew stops for a picture

afv_032.jpg Stream Ecology, Education

Graduate student Tatiana Latorre and undergraduate student Mercedes Allen stop for a picture

afv_033.jpg Stream Ecology, Education

The whole crew stops for a picture with all of their field equipment.

afr_002.jpg Biological Diversity

Researchers set out a grid and prepare the area for transplants of moss

afr_003.jpg Biological Diversity

Researchers set out a grid and prepare the area for transplants of moss

afr_004.jpg Biological Diversity

Research for Undergraduates (REU) student Meghan Lake prepares an area for moss transplant and study

afr_005.jpg Biological Diversity

Researchers set out a grid and prepare the area for transplants of moss

afr_006.jpg Biological Diversity

Matts of moss are cut with clippers to a standard size, outlined by a post-it note

afr_007.jpg Biological Diversity

A square of moss ready to be transplanted

afr_008.jpg Biological Diversity

A stand in the H.J. Andrews Experimental Forest

afr_009.jpg Biological Diversity

A square of moss ready to be transplanted

afr_010.jpg Biological Diversity

Research for Undergraduates (REU) student Meghan Lake assesses the grid and protocol for the study

afr_011.jpg Biological Diversity

Research for Undergraduates (REU) student Meghan Lake assesses the grid and protocol for the study

afr_012.jpg Biological Diversity

Researcher readies moss for transplant

afr_013.jpg Biological Diversity

A square of moss ready to be transplanted

afr_014.jpg Biological Diversity

Research for Undergraduates (REU) student Meghan Lake assesses the grid and protocol for the study

afr_015.jpg Biological Diversity

Research for Undergraduates (REU) student Meghan Lake assesses the grid and protocol for the study

afr_016.jpg Biological Diversity

Researchers set out a grid and prepare the area for transplants of moss

afr_017.jpg Biological Diversity

Researchers set out a grid and prepare the area for transplants of moss

afr_018.jpg Biological Diversity

Moss laid out in the transplant plot

afr_019.jpg Biological Diversity

Moss collection for reciprical transplant project

afr_020.jpg Biological Diversity

A square of moss ready to be transplanted

afr_021.jpg Biological Diversity

Moss laid out in the transplant plot and grid

afr_022.jpg Biological Diversity

A magification loupe assists with moss identification

afr_023.jpg Biological Diversity

A stand in the H.J. Andrews Experimental Forest

afr_024.jpg Biological Diversity

Researchers Meaghan Lake and Sofia Green

afr_025.jpg Biological Diversity

Researchers in a plot selected for a moss transplant study

afr_001.jpg Biological Diversity

Researchers Meghan Lake and Sofia Green set out a grid and prepare the area for transplants of moss

Drought Experiment 2023 afo_001.jpg

Undergraduate student Hailey Bond collects samples from the insect emergence traps.

Drought Experiment 2023 afo_002.jpg

Researchers process fish and salamanders captured during a 3-pass depeletion electrofishing survey in a tributary of McRae Creek.

Drought Experiment 2023 afo_003.jpg

Coastal giant salamanders in a recovery tank before they are released back into the stream.

Drought Experiment 2023 afo_004.jpg

Cutthroat trout being measured at the proccessing station before being released back into the stream.

Drought Experiment 2023 afo_005.jpg

Researchers process fish and salamanders captured during a 3-pass depeletion electrofishing survey in a tributary of McRae Creek.

Drought Experiment 2023 afo_006.jpg Stream Ecology

Researchers process fish and salamanders captured during a 3-pass depeletion electrofishing survey in a tributary of McRae Creek.

Drought Experiment 2023 afo_007.jpg

PIT tag and elastomer tag gear used at a processing station to measure growth.

Drought Experiment 2023 afo_008.jpg

Hailey Bond (left), Madelyn Maffia (center), and Dana Warren (right) electrofish a small pool in a tributary of McRae Creek.

Drought Experiment 2023 afo_009.jpg

Coastal giant salmanders from a tributary of McRae Creek.

Drought Experiment 2023 afo_010.jpg

Upper section of the low-flow reach prior to diverting half of the flow.

Drought Experiment 2023 afo_011.jpg

Middle section of the low-flow reach prior to diverting half of the flow.

Drought Experiment 2023 afo_012.jpg

Middle section of the low-flow reach prior to diverting half of the flow.

Drought Experiment 2023 afo_013.jpg

Middle section of the low-flow reach prior to diverting half of the flow.

Drought Experiment 2023 afo_014.jpg

Lower section of the low-flow reach prior to diverting half of the flow.

Drought Experiment 2023 afo_015.jpg

Empty lines running along the bank of the low-flow reach prior to the start of the experimental setup.

Drought Experiment 2023 afo_016.jpg

Structurally complex pool habitat in the low-flow reach.

Drought Experiment 2023 afo_017.jpg

Empty lines running along the bank of the low-flow reach prior to the start of the experimental setup.

Drought Experiment 2023 afo_018.jpg

Section of the low-flow reach prior to the set up of the flow diversion.

Drought Experiment 2023 afo_019.jpg

Bottom of the fishing section in the low flow reach prior to the start of the experimental setup.

Drought Experiment 2023 afo_020.jpg

Coil system used to passively warm diverted water before it re-enters the increased temperature reach.

Drought Experiment 2023 afo_021.jpg

Researchers set up the flow diversion that diverts approximately 50% of the streamflow and creates the reduced flow (low-flow) reach.

Drought Experiment 2023 afo_022.jpg

Researchers set up the flow diversion that diverts approximately 50% of the streamflow and creates the reduced flow (low-flow) reach.

Drought Experiment 2023 afo_023.jpg

Water travels through black tubing that is exposed to the sunlight to passively warm it and then re-enters the stream in the experimentally warmed (+Temp) reach.

Drought Experiment 2023 afo_024.jpg

Sampling fish and salamanders in a tributary of McRae Creek.

Drought Experiment 2023 afo_025.jpg

Graduate student Maddie Maffia and Professor Dana Warren attempt to electrofish under a deep undercut bank.

Drought Experiment 2023 afo_026.jpg

An upstream net that closes the system during electrofishing prevents the movement of fish and salmanders into and out of the system.

Drought Experiment 2023 afo_027.jpg

A terrestrial coastal giant salamanders.

Drought Experiment 2023 afo_028.jpg

Sampling fish and salamanders in a tributary of McRae Creek.

Drought Experiment 2023 afo_029.jpg

Sampling fish and salamanders in a tributary of McRae Creek.

Drought Experiment 2023 afo_030.jpg

Sampling fish and salamanders in a tributary of McRae Creek.

Drought Experiment 2023 afo_031.jpg

A young pacific giant salamander in the a tupperwear before being weighed.

Drought Experiment 2023 afo_032.jpg

Hailey Bond collects length measurements of a salmander.

Drought Experiment 2023 afo_033.jpg

Dana Warren collects the weight of a salamander.

Drought Experiment 2023 afo_034.jpg

Undergraduate student Adrian Puga records data as fish and salmanders are processed.

Drought Experiment 2023 afo_035.jpg

Undergraduate student Hailey Bond with an electofishing backpack.

Drought Experiment 2023 afo_036.jpg

Diverted water being carried through a large plastic line in the low-flow reach.

Lookout Mountain from the canopy afq_007.JPEG

Outcrop on Lookout Mountain from 50 meters up in old-growth Douglas Fir

Calochortus afq_005.JPEG

Mariposa Lily (Calochortus) on Frissell Ridge

Sisters at dusk afq_006.JPEG

Dusk light looking east from Frissell Ridge

Towering canopy afq_029.JPEG

View of old-growth Douglas Fir from neighboring tree

Canopy Sunrise afq_004.JPEG

Sunrise over a ridge from 80 meters in the canopy of an old-growth Douglas Fir.

Morning light on Carpenter Mountain Trail. afq_003.JPEG

Sunight beaming into the forest along the Carpenter Mountain Trail.

Lookout Valley from 1507 road afq_001.JPEG

View of Lookout Valley, looking NE from 1507 road

Bird Banding Spring 2023 afm_001.jpg

Research Experience for Undergraduates (REU) intern Adlai Herrera sets up a mist net

Bird Banding Spring 2023 afm_002.jpg

Graduate student Madison Sutton (left) sets up a mist net

Bird Banding Spring 2023 afm_003.jpg

Checking GPS coordinates for the net location

Bird Banding Spring 2023 afm_004.jpg

Setting up for data recording

Bird Banding Spring 2023 afm_005.jpg

Recording data on location, date, setting for the net set up

Bird Banding Spring 2023 afm_006.jpg

Setting a bird decoy in a tree

Bird Banding Spring 2023 afm_007.jpg

A bird decoy, at center

Bird Banding Spring 2023 afm_008.jpg

Waiting, quietly, for a bird to fly into the net

Bird Banding Spring 2023 afm_009.jpg

REU intern Adlai Herrera carefully removes a Swainson's Thrush from the mist net

Bird Banding Spring 2023 afm_010.jpg

Rhododendron in bloom

Bird Banding Spring 2023 afm_011.jpg

Recording data on the captured bird

Bird Banding Spring 2023 afm_012.jpg

Recording data on the captured bird

Bird Banding Spring 2023 afm_013.jpg

Madison Sutton readies a metal band which she will place around the bird's leg, like a bracelet

Bird Banding Spring 2023 afm_014.jpg

Carefully crimping the metal band, which has a unique identifying number

Bird Banding Spring 2023 afm_015.jpg

Measuring wing length

Bird Banding Spring 2023 afm_016.jpg

Using a caliper to measure the leg length

Bird Banding Spring 2023 afm_017.jpg

Assessing bird age using molt and feather wear patterns, with book reference

Bird Banding Spring 2023 afm_018.jpg

Blowing away the feathers reveals the chest, where fat deposits can be seen to assess fitness

Bird Banding Spring 2023 afm_019.jpg

The captured Swainson's Thrush, with its new bracelet

Bird Banding Spring 2023 afm_020.jpg

Assessing bird age using molt and feather wear patterns, with book reference

Bird Banding Spring 2023 afm_021.jpg

Evaluating the molt and weat patterns on the feathers assists the researchers in aging the bird

Bird Banding Spring 2023 afm_022.jpg

Evaluating the molt and weat patterns on the feathers assists the researchers in aging the bird

Bird Banding Spring 2023 afm_023.jpg

A Swainson's Thrush, and graduate student Madison Sutton

Bird Banding Spring 2023 afm_024.jpg

The bird is placed into a bag for two minutes so a poop sample may be collected and later analyzed to learn about what the bird ate

Bird Banding Spring 2023 afm_025.jpg

Bird poop samples -- new eDNA analyses can tell scientists what the bird ate

Bird Banding Spring 2023 afm_026.jpg

A Swainson's Thrush, and graduate student Madison Sutton

Bird Banding Spring 2023 afm_027.jpg

A Swainson's Thrush, and graduate student Madison Sutton

Bird Banding Spring 2023 afm_028.jpg

Matthew Betts (left), and graduate student Madison Sutton

Bird Banding Spring 2023 afm_029.jpg

Matthew Betts

Bird Banding Spring 2023 afm_030.jpg

REU student Adlai Herrera readies to release the bird

Bird Banding Spring 2023 afm_031.jpg

releasing the bird

Bird Banding Spring 2023 afm_032.jpg

Samples of bird poop, soaked into the paper, are collected for analysis

Bird Banding Spring 2023 afm_033.jpg

recording data

Bird Banding Spring 2023 afm_034.jpg

recording data

Bird Banding Spring 2023 afm_035.jpg

bird banding tools

Bird Banding Spring 2023 afm_036.jpg

Matt Betts takes down the mist net

Bird Banding Spring 2023 afm_037.jpg

Graduate student Madison Sutton, sporting a collar of bird decoys

Bird Banding Spring 2023 afm_038.jpg

Madison Sutton, Adlai Herrera, and Matthew Betts

Midterm Review 2023 afl_051.jpg

Dana Warren presents about the interactions of stream temperature, light, and drought

Midterm Review 2023 afl_052.jpg

Dana Warren presents about the interactions of stream temperature, light, and drought

Midterm Review 2023 afl_053.jpg

Dana Warren presents about the interactions of stream temperature, light, and drought

Midterm Review 2023 afl_054.jpg

Dana Warren presents about the interactions of stream temperature, light, and drought

Midterm Review 2023 afl_055.jpg

Tatiana Latorre, Ivan Arismendi, Brooke Penaluna, Zach Perry, Dana Warren

Midterm Review 2023 afl_028.jpg

Presentations in the forest, about species interactions

Midterm Review 2023 afl_029.jpg

Graduate student Abbey Neat presents about a tree seedling study

Midterm Review 2023 afl_030.jpg

Graduate student Madison Sutton presents about bird interaction studies

Midterm Review 2023 afl_031.jpg

Old-growth forest

Midterm Review 2023 afl_032.jpg

Jeff Diez presents about a moss component of the species interaction study

Midterm Review 2023 afl_033.jpg

Posy Busby, Jeff Diez, Abbey Neat, Madison Sutton present on the reciprocal transplant experiment

Midterm Review 2023 afl_034.jpg

Joe LaManna, Matt Betts, Marie Tosa review a handout

Midterm Review 2023 afl_035.jpg

Matt Betts, Suzanne Remillard, Marie Tosa review a handout

Midterm Review 2023 afl_036.jpg

Presentations in the forest, about species interactions

Midterm Review 2023 afl_037.jpg

Jeff Diez presents about a moss component of the species interaction study.Note moss transplant plot.

Midterm Review 2023 afl_038.jpg

Jeff Diez presents about a moss component of the species interaction study

Midterm Review 2023 afl_039.jpg

Jeff Diez presents about a moss component of the species interaction study

Midterm Review 2023 afl_040.jpg

Matt Betts

Midterm Review 2023 afl_041.jpg

Brooke Penaluna with a rough skinned newt

Midterm Review 2023 afl_042.jpg

Presentations along Lookout Creek

Midterm Review 2023 afl_045.jpg

Ivan Arismendi presents on long-term studies on fish and salamanders

Midterm Review 2023 afl_046.jpg

Presentations along Lookout Creek

Midterm Review 2023 afl_047.jpg

Graduate student Tatiana Latorre demonstrates a trap used to sample aquatic insects

Midterm Review 2023 afl_048.jpg

Graduate student Tatiana Latorre shows aquatic insects to a panelist

Midterm Review 2023 afl_049.jpg

Graduate student Zachary Perry speaks about hyrology and flow paths of water