Sherri Johnson talks about aquatic insects

Stan Gregory talks about fish and streams

Stan Gregory talks about fish and streams

Don Henshaw talks about information management

Don Henshaw talks about information management

Chris Daly talks about the climate program

Julia Jones presents at HJA Day

River Continuum Site

Barbara Bond presents findings from WS01 research

Willamette National Forest Science Liason, Cheryl Friesen, talks about research-management partnership

Tom Spies presents to HJA Day attendees

Tom Spies presents to HJA Day attendees

River Continuum Site

Graduate Student Sarah Frey talks about birds

Watershed 1

tagged trees and sample plots in the Andrews Forest

Ivan Arismendi at the climate station in WS02 of the Andrews Forest

high meadow flowers

Researcher Linda Ashkenas inspects vine maple for insects

Watershed 03

visitors from South Korea (left) and Andrews Forest researcher Andy Moldenke (right)

Andy Moldenke (left) and Hoonbok Yi from South Korea (right)

Rubus spectabilis (Salmonberry) flower

ferns

Researchers Ashley Pacelli (left) and Linda Ashkenas (right) collect data on plant phenology and insects

Researcher Linda Ashkenas inspects vine maple for insects

Researcher Linda Ashkenas inspects vine maple for insects

Ivan Arismendi and Sherri Johnson at the climate station in WS02 of the Andrews Forest

Ivan Arismendi at the climate station in WS02 of the Andrews Forest

Data collection sheet and western hemlock (Tsuga heterophylla) branch

Researchers review site maps and plans

site maps and reference sheets

site maps and reference sheets

reviewing site maps and reference sheets

Andy Moldenke talks with Hoonbok Yi from South Korea

Researchers review site maps and plans

moss and lichen covered stone with western sword fern

Vanilla leaf (Achlys triphylla)

False Solomon's Seal flower (Maianthemum racemosum)

Data collection sheet and western hemlock (Tsuga heterophylla) branch

Understory view in WS03

climate station at WS02 in the Andrews Forest LTER

climate station at WS02 in the Andrews Forest LTER

access road in the HJ Andrews Experimental Forest LTER site

exposed culvert pipe from previous logging road in WS02

USFS Researcher Sherri Johnson in front of old-growth cedar

Leaves of vine maple (Acer circinatum)

Researcher Ivan Arismendi inspects understory plants for phenolgy stage and insects

Researcher Sherri Johnson inspects understory plants for phenolgy stage and insects

Data collection sheet and vine maple (Acer circinatum) branch

tagged plant for phenology study at the Andrews Forest

Hobo air temperature station associated with a phenology study site

Adiantum pedatum (Northern Maidenhair Fern)

Vine maple (Acer circinatum) leaves

decomposing wood and cones from western hemlock

old-growth forest in the HJ Andrews Experimental Forest LTER site

bark detail

old-growth forest in the HJ Andrews Experimental Forest LTER site

tagged tree

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

bark detail

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

Bigleaf maple (Acer macrophyllum) leaves

Aphids on red huckleberry (Vaccinium parvifolium)

Aphids on red huckleberry (Vaccinium parvifolium)

Understory view in WS03

Understory view in WS03

Calypso orchid (Calypso bulbosa)

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

bark detail and evidence of fire

Vanilla leaf (Achlys triphylla)

the colorful bark of pacific yew (Taxus brevifolia)

decomposing wood and oregon grape plants

USFS Researcher Sherri Johnson in front of large nurse log at the Andrews Forest

Fallen log and understory at the Andrews Forest

banana slug and millipede (Harpaphe haydeniana)

large snapped bole. See researcher on left and another far down along the bole to the right

Tree bole with woodpecker holes

wood detail showing patterns of bark borers

USFS Researcher Sherri Johnson under large native rhododendrons

small seep at the Andrews Forest

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

old-growth forest in the HJ Andrews Experimental Forest LTER site

Vine maple (Acer circinatum) leaves

tip up root mound

moss on a downed log in the HJ Andrews Experimental Forest LTER

moss on a downed log in the HJ Andrews Experimental Forest LTER

old-growth forest in the HJ Andrews Experimental Forest LTER site

moss covered growth rings

bark detail

standing wood and bark from fallen tree

Malaise trap for flying insects

tagged plant for phenology study at the Andrews Forest

Researchers Linda Ashkenas and Ashley Pacelli collect data on plant phenology and insects

tagged plant for phenology study at the Andrews Forest

Researchers Ashley Pacelli (left) and Linda Ashkenas (right) collect data on plant phenology and insects

Researcher Linda Ashkenas inspects vine maple for insects

Inspecting Acer circinatum for leaf-out stage and insects

old-growth forest in the HJ Andrews Experimental Forest LTER site

Researcher Ivan Arismendi inspects a specimen collected as part of the Andrews Forest phenology study

decomposing stump in the Andrews Forest

Rubus spectabilis (Salmonberry) flower

Collecting an insect from vine maple leaf

Undergraduate researcher Ashley Pacelli with an insect specimen

Undergraduate researcher Ashley Pacelli with an insect specimen

Collecting an insect

beetle on the tip of an understory Douglas fir

weathered wood

Hobo air temperature station associated with a phenology study site

Malaise trap for flying insects

ladder to ease stream access in WS02

insect leaf damage to vine maple (Acer circinatum)

Stream in Watershed 2

Sherri Johnson and Ivan Arismendi inspect emergence insect traps in WS02

Sherri Johnson and Ivan Arismendi inspect emergence insect traps in WS02

emergence traps for aquatic insect placed along a stream in the HJ Andrews Experimental Forest LTER site

emergence traps for aquatic insect placed along a stream in the HJ Andrews Experimental Forest LTER site

emergence traps for aquatic insect placed along a stream in the HJ Andrews Experimental Forest LTER site

vine maple (Acer circinatum) over a small stream

Researchers Ivan Arismendi and Sherri Johnson

Researchers Ivan Arismendi and Sherri Johnson

Researcher Ivan Arismendi inspects understory plants for phenolgy stage and insects

an old snag

Understory view

Pacific Bleeding Heart (Dicentra formosa) flower

decomposing wood in the forest

using a hand lens to inspect insect feeding patterns on vine maple (Acer circinatum)

Undergraduate researcher Ashley Pacelli inspects understory plant for insects

Inspecting Acer circinatum for leaf-out stage and insects

Linda Ashkenas records data for the phenology project

Inspecting Acer circinatum for leaf-out stage and insects

Vine maple (Acer circinatum) leaf and flower, with a fly

Western Hemlock (Tsuga heterophylla)

Undergraduate researcher Ashley Pacelli inspects understory plant for insects

using a hand lens to inspect aphids on vine maple (Acer circinatum)

using a hand lens to inspect aphids on vine maple (Acer circinatum)

Aphids on vine maple (Acer circinatum)

moss and lichen

moss

Researchers Linda Ashkenas and Ashley Pacelli collect data on plant phenology and insects

decomposing wood in the forest