OSU undergraduate student, Cedar Mackaness, and OSU graduate student, Allison Swartz, measure gross primary production in stream metabolism chambers in a Andrews Forest stream

OSU undergraduate student, Cedar Mackaness, and OSU graduate student, Allison Swartz, measure gross primary production in stream metabolism chambers in a Andrews Forest stream

OSU graduate student Karla Jarecke digs into soil for sampling

REU student Lauren Roof labelling bags for soil samples

OSU undergraduate student, Cedar Mackaness, and OSU graduate student, Allison Swartz, sample SF6 and nutrient and nutrient concentrations for a stream tracer release in McRae tributary-east Andrews Forest stream

OSU graduate student Allison Swartz collects water sample for nutrient analysis.

OSU undergraduate student, Cedar Mackaness, writes down data about stream nutrient tracer experiment.

OSU graduate student Allison Swartz collects water sample to measure nitrate, phosphate, and chloride concentrations.

Stream sampling equipment used to measure stream gas exchange and nutrient demand.

OSU graduate student Allison Swartz prepares samples to measure gas exchange from the stream.

Eastern tributary to McRae Creek at the Andrews Forest

YSI water quality sonde used to measure temperature, specific conductivity and dissolved oxygen in a stream.

depth measurement of soil pit used for sampling, measuring, and describing soil

depth measurement of soil pit used for sampling, measuring, and describing soil

OSU graduate student Karla Jarecke digs into soil for sampling

OSU undergraduate student, Cedar Mackaness, and OSU graduate student, Allison Swartz, sample SF6 and nutrient and nutrient concentrations for a stream tracer release in McRae tributary-east Andrews Forest stream

a stream in the old-growth forest

old-growth forest

a stream in the old-growth forest

Matthew Betts presents on birds and how they may be affected by the forest microclimate

a tree tag within a vegetative measurements plot

Old-growth stand in the Andrews Forest

Dave Shaw presents on long-term vegetation studies

Dave Bell presents on long-term vegetation studies

Jeff Hatten (right) presents on soils and carbon

Dave Shaw presents on long-term vegetation studies

OSU graduate student Satish Serchan presents on his work in the stream mesocosm

Catalina Segura presents on hydrology and isotope analyses

Sherri Johnson presents on long-term measurements of stream and precipitation chemistry

Steve Wondzell and Sherri Johnson present on hydrology and stream chemistry

Adam Kennedy presents on the wireless sensor network

Chris Daly presents on climate and cold air pooling

a stream in the old-growth forest

Old-growth stand in the H.J. Andrews Experimental Forest

Old-growth stand in the H.J. Andrews Experimental Forest

Ivan Arismendi presents on the long-term study of vertebrates in Mack Creek

Sherri Johnson and Ivan Arismendi

OSU LTER Information Manager Suzanne Remillard

OSU graduate student Emily Heaston

USFS scientist Brooke Penaluna

old-growth forest

old-growth forest

evergreen huckleberry

old-growth forest

old-growth forest

old-growth forest

old-growth forest

midterm review presentation in a stand of old-growth forest

Experimental Forest signage

Aralia californica, or elk clover. The only member of the ginseng family native to California and SW oregon.

OSU graduate student Emily Heaston displays a pacific giant salamander

Chris Still presents on canopy ecology and thermal images of the canopy

OSU graduate student Sarah Kelly presented on the Discovery Trail education program

looking up through the canopy of an old-growth forest

old-growth forest

old-growth forest

old-growth forest

old-growth forest

Matthew Betts in a stand of old-growth forest

USFS PNW Information Manager Don Henshaw in a stand of old-growth forest

old-growth forest

old-growth forest

old-growth forest

OSU graduate students attended the review and met with the NSF panel

Hannah Gosnell presents on social science

Brooke Penaluna presents on the SCALER project and stream ecology models

old-growth forest

old-growth forest

USFS PNW Information Manager Don Henshaw in a stand of old-growth forest

USFS scientist Brooke Penaluna

OSU assistant professor Dana Warren presents on stream ecology and light in streams

USFS scientist Brooke Penaluna

a juvenile pacific giant salamander

OSU graduate student Emily Heaston presents on her work on light in streams

OSU assistant professor Dana Warren

OSU assistant professor Dana Warren presents on stream ecology and light in streams

USFS PNW hydrologist Steve Wondzell in a stand of old-growth forest

Experimental Forest signage

Mack Creek

Mack Creek gaging station

tagged log in the Wood in Streams study

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Ivan Arismendi and Stan Gregory

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

moss on a log

Mack Creek stream vertebrates study crew

Ivan Arismendi and Mauricio Arismendi

Mack Creek Cutthroat Trout

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Ivan Arismendi and Randy Wildman

syringes with new PIT tags

Stan Gregory

Mack Creek stream vertebrates study crew

Randy Wildman and Stan Gregory

Randy Wildman and Stan Gregory

Mack Creek stream vertebrates study crew

pacific giant salamander

Mack Creek stream vertebrates study crew

Michael Paul Nelson writing in Mack Creek

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

scanning a fish for a PIT tag

a PIT tag reader and a needle used to insert a new PIT tag

inserting a PIT tag, a non-lethal procedure

measuring the length of a cutthroat trout (and later releasing the fish)

Randy Wildman scanning a fish for a PIT tag

pacific giant salamander

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates study crew

Ivan Arismendi

Mack Creek stream vertebrates study -- nets to catch fish and salamanders

Mack Creek Cutthroat Trout

Mack Creek stream vertebrates study crew

Mack Creek stream vertebrates field gear

Mack Creek stream vertebrates field gear

Mack Creek stream vertebrates field gear

Mack Creek stream vertebrates field gear

maidenhair fern "Adiantum pedatum"

maidenhair fern "Adiantum pedatum"

moss on a log

maidenhair fern "Adiantum pedatum"

Mack Creek stream vertebrates study -- nets to catch fish and salamanders

LTER Network's Marty Downs and Frank Davis at the Andrews Forest with Mark Schulze

Devil's Club "Oplopanax horridus"

Log Decomposition experiment -- log with sample removed

Log Decomposition experiment -- log with sample removed

decomposing wood

Log Decomposition Experiment

Log Decomposition Experiment

Log Decomposition Experiment

Mark Harmon inspects a log in his 200-year-long log decomposition study

Log Decomposition Experiment

Mark Harmon speaks about wood decomposition

Mark Harmon

Marty Downs from the LTER Network Communications Office

Ivan Arismendi and Brooke Penaluna

Ivan Arismendi in McRae Creek

Suzanne Remillard and Michael Paul Nelson

touring Watershed 1 with Marty Down and Frank Davis from the LTER Network Office

Forest understory

Michael Paul Nelson, Marty Downs, Frank Davis view art installation by Leah Wilson

instrumentation in Watershed 1