2018 veg PSP crew: David Shaw, Principal Investigator, OSU; Bryan Sipe, crew member, OSU; Rob Pabst, project coordinator, OSU; David Bell, Research Forester, PNW Research Station; Jessie Hild, crew member, OSU; Amanda Brackett, crew leader, OSU

2018 PNW PSP crew. L to R: Bryan Sipe, crew member, OSU; David Bell, Research Forester, PNW Research Station; Amanda Brackett, crew leader, OSU; Jessie Hild, crew member, OSU; Rob Pabst, project coordinator, OSU; David Shaw, Principal Investigator, OSU

The veg PSP crew prepares for field work. L to R: Jessie Hild, crew member, OSU; Amanda Brackett, crew leader, OSU; David Shaw, Principal Investigator, OSU; Bryan Sipe, crew member, OSU; David Bell, Research Forester, Pacific Northwest Research Station

Rob Pabst, recording data in the field

Rob Pabst, recording data in the field

field crew members Amanda Brackett and Jessie Hild measuring DBH (diameter breast height)

signs of Armillaria root rot in a dead tree in the sample plot

Rob Pabst, project coordinator

David Bell, Research Forester, Pacific Northwest Research Station, USFS, shares a LIDAR image of canopy height in the day's field plot

Amanda Brackett and an old western red cedar

an old tree tag, perhaps one of the originals from the 1960s

an old tree tag, perhaps one of the originals from the 1960s

Jessie Hild, reading a tree tag

Jessie Hild, noting tree health

Mack Creek gage house

Mack Creek flume

Mack Creek flume

Jessie Hild treats a wasp sting

The field crew moves through a study plot, being careful to watch for wasp nests!

Bryan Sipe, field crew member, navigates over large, downed trees

Rob Pabst, recording data in the field

Rob Pabst shares a map of the day's study site

details of a 1979 map of the study sit, with stems diagrammed and mapped by hand

field crew heading toward the field site

field crew heading toward the field site

field crew heading toward the field site

forest canopy

gear for field work. Flagging, data sheets, and a hammer, to adjust tree tags in the field

field data documents

details of a 1979 map of the study sit, with stems diagrammed and mapped by hand

Rob Pabst shares a map of the day's study site

details of a 1979 map of the study site, with stems diagrammed and mapped by hand

details of a 1979 map of the study sit, with stems diagrammed and mapped by hand

Rob Pabst shares a map of the day's study site

Bryan Sipe, field crew member, navigates over large, downed trees

Bryan Sipe, field crew member, navigates over large, downed trees

compass and map orientation

Dave Bell (left) and Rob Pabst (right) record data on tree mortality

a tagged tree in a sample plot of the Pacific Northwest Permanent Sample Plot Program (PSP)

Rob Pabst, project coordinator of the Pacific Northwest Permanent Sample Plot Program (PSP)

Rob Pabst, project coordinator of the Pacific Northwest Permanent Sample Plot Program (PSP)

signs of Armillaria root rot from a dead tree in the sample plot

field crew boots, and a cut away section of tree bark, exposing signs of armillaria root rot in a dead tree in the study site

Dave Shaw shares signs of Armillaria root rot in a dead tree in the sample plot

Dave Shaw shares signs of Armillaria root rot in a dead tree in the sample plot

Dave Shaw shares signs of Armillaria root rot in a dead tree in the sample plot

Dave Shaw shares signs of Armillaria root rot in a dead tree in the sample plot

compass and map orientation

recording data in the field

a tagged tree

old growth forest near Mack Creek

Rob Pabst, project coordinator of the Pacific Northwest Permanent Sample Plot Program (PSP)

A detailed view of a DBH tape around a large douglas fir tree. Its diameter was 209 centimeters (82 inches)

field crew members Amanda Brackett and Jessie Hild measuring DBH (diameter breast height) of a large douglas fir tree

field crew members Amanda Brackett and Jessie Hild measuring DBH (diameter breast height) of a large douglas fir tree

field crew members Amanda Brackett and Jessie Hild measuring DBH (diameter breast height) of a large douglas fir tree

A tagged tree in a vegetation study plot along Mack Creek

Rob Pabst (left) and Jessie Hild (right) stretch a DBH tape around a large western red cedar tree

Mack Creek

Mack Creek

Bryan Sipe, field crew member, and a tagged tree

signs of Armillaria root rot in a dead tree in the sample plot

forest canopy

strands of Armillaria root rot from a dead tree in the sample plot

the field crew measures an old-growth tree

the field crew measures an old-growth tree

the field crew measures an old-growth tree

old growth forest near Mack Creek

David Shaw measures tree diameter with a DBH tape

David Bell shares LIDAR images and tree height data of the day's sample plot

Rob Pabst, project coordinator, shares data on trends in tree mortality over four decades

field crew reviews aerial images of the day's study site

David Bell, Research Forester, Pacific Northwest Research Station

Rob Pabst, project coordinator

David Shaw, Principal Investigator, OSU

the field crew measures an old-growth tree

old growth forest near Mack Creek

the field crew talks with Ian Vorster, Editor of OSU's research magazine, Terra

Dave Shaw shares signs of Armillaria root rot in a dead tree in the sample plot

Dave Shaw looks at strands of Armillaria root rot in a dead tree in the sample plot

Amanda Brackett, field crew leader, recording data in the field on tree mortality

Jessie Hild, field crew member, measuring DBH (diameter breast height)

Jessie Hild, field crew member, measuring DBH (diameter breast height)

Bryan Sipe, field crew member, measuring DBH (diameter breast height) with a tape

Bryan Sipe, field crew member, measuring DBH (diameter breast height) with a tape

field crew measuring size, in diameter, of trees within their plot

bark of pacific yew (Taxus brevifolia)

Blue huckleberry (Vaccinium deliciosum)

Rob Pabst checks a tagged tree

details of a 1979 map of the study sit, with stems diagrammed and mapped by hand

Rob Pabst shares a map of the day's study site

Rob Pabst records field data

Jessie Hild and Amanda Brackett measure and record tree diameter of a large douglas fir tree

Jessie Hild and Amanda Brackett measure and record tree diameter of a large douglas fir tree

the field crew measures an old-growth tree

David Shaw measures tree diameter with a DBH tape

old-growth forest stand

David Bell (center), Research Forester, Pacific Northwest Research Station, USFS, shares a LIDAR image of canopy height in the day's field plot

Lina DiGregorio, LTER Program Coordinator

Rob Pabst shares data on tree mortality

forest canopy in an old-growth stand

David Bell, Research Forester, Pacific Northwest Research Station, USFS, shares a LIDAR image of canopy height in the day's field plot

Jessie Hild and Amanda Brackett measure and record tree diameter of a large douglas fir tree

Amanda Brackett

field crew of the Pacific Northwest Permanent Sample Plot Program (PSP)

The Pacific Northwest Permanent Sample Plot Program (PSP) reviews a map of the day's sample plot. The map was first created in 1979.

Dave Shaw shares signs of Armillaria root rot in a dead tree in the sample plot

Bryan Sipe, field crew member, in the study plot

Amanda Brackett, field crew member, in the study plot

Jessie Hild measures DBH and assesses tree health

field gear: a hammer to adjust tree tags in the field, vest and notebook, a DBH tape, and a hard hat

a hammer, used to adjust tree tags in the field

measuring DBH (diameter breast height) with a DBH tape

Jessie Hild and Bryan Sipe measure DBH

Jessie Hild and Bryan Sipe measure DBH

forest rivulet at the Andrews Forest

Jessie Hild, Amanda Brackett, Brian Sipe review maps and images of the day's field site

Frissell RP2 Meadow, plot unknown (FRP2M?)

Frissell M2 Meadow, plot 5

Frissell RP2 Meadow, plot 2(FRP2M2)

Frissell M2 Meadow, plot 5

Frissell M2, plot unknown (FM2?)

Frissell RP2 Meadow, plot 2(FRP2M2)

Frissell RP2 Meadow, plot 2(FRP2M2)

Lookout Steep Meadow, plot unknown (LSM?)

Lookout Steep Meadow, plot 5

Lookout Main Meadow, plot unknown (LOM?)

Lookout Bog Meadow, plot unknown (LOB?)

Lookout Main Meadow, plot 3 (LOM3)

Lookout Main Meadow, plot 5 (LOM5)

Lookout Main Meadow, plot unknown (LOM?)

Lookout Main Meadow, plot unknown (LOM?)

Lookout Bog Meadow, plot unknown (LOB?)

Lookout Bog Meadow, plot unknown (LOB?)

Lookout Bog Meadow, plot 3 (LOB3)

Lookout Bog Meadow, plot 3 (LOB3)

Lookout Bog Meadow, plot unknown (LOB?)

Lookout Bog Meadow, plot unknown (LOB?)

Lookout Main Meadow, plot unknown (LOM?)

Frissell RP1 Meadow, plot unknown (RP1?)

Frissell RP1 Meadow, plot unknown (RP1?)

Frissell RP2 Meadow, plot 6(FRP1M6)

Frissell RP1 Meadow, plot unknown (RP1?)

Frissell RP1 Meadow, plot unknown (RP1?)

Frissell RP1 Meadow, plot unknown (RP1?)

Frissell RP1 Meadow, plot unknown (RP1?)

Lookout Steep Meadow, plot 9 (LOS9)

Lookout Steep Meadow, plot 9 (LOS9)

Lookout Outcrop Meadow, plot unknown (LOO?)

Lookout Outcrop Meadow, plot unknown (LOO?)