Vine maple (Acer circinatum) leaves

exposed culvert pipe from previous logging road in WS02

Researcher Linda Ashkenas inspects vine maple for insects

Aphids on vine maple (Acer circinatum)

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

USFS Researcher Sherri Johnson in front of old-growth cedar

understory flower

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

Aphids on vine maple (Acer circinatum)

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

Leaves of vine maple (Acer circinatum)

new leaves on western hemlock (Tsuga heterophylla)

tagged plant for phenology study at the Andrews Forest

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

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

Researcher Ivan Arismendi inspects understory plants for phenolgy stage and insects

Oxalis and wood

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

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

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

Researcher Sherri Johnson inspects understory plants for phenolgy stage and insects

Aphids on red huckleberry (Vaccinium parvifolium)

tagged plant for phenology study at the Andrews Forest

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

moss covered growth rings

Data collection sheet and vine maple (Acer circinatum) branch

Aphids on red huckleberry (Vaccinium parvifolium)

beetle on the tip of an understory Douglas fir

Undergraduate researcher Ashley Pacelli inspects understory plant for insects

weathered wood

Inspecting Acer circinatum for leaf-out stage and insects

bark detail

tagged plant for phenology study at the Andrews Forest

Understory view in WS03

Understory view in WS03

Hobo air temperature station associated with a phenology study site

Linda Ashkenas records data for the phenology project

small seep at the Andrews Forest

Understory view in WS03

Calypso orchid (Calypso bulbosa)

an old snag

Inspecting Acer circinatum for leaf-out stage and insects

USFS Researcher Sherri Johnson under large native rhododendrons

Data collection sheet and western hemlock (Tsuga heterophylla) branch

tip up root mound

Researcher Ivan Arismendi inspects understory plants for phenolgy stage and insects

flagged understory plants for sampling and hobo air temperature station

bark detail and evidence of fire

Data collection sheet and western hemlock (Tsuga heterophylla) branch

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

Researchers Ivan Arismendi and Sherri Johnson

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

Vanilla leaf (Achlys triphylla)

Researchers review site maps and plans

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

Researchers Ivan Arismendi and Sherri Johnson

Western Hemlock (Tsuga heterophylla)

the colorful bark of pacific yew (Taxus brevifolia)

site maps and reference sheets

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

vine maple (Acer circinatum) over a small stream

Oregon-grape (Mahonia aquifolium) leaf and flower

decomposing wood and oregon grape plants

site maps and reference sheets

old-growth forest 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

Oregon-grape (Mahonia aquifolium) leaf and flower

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

reviewing site maps and reference sheets

old-growth forest 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

Oregon-grape (Mahonia aquifolium) leaf and flower

Fallen log and understory at the Andrews Forest

Andy Moldenke talks with Hoonbok Yi from South Korea

Bigleaf maple (Acer macrophyllum) leaves

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

fern, lichen, moss

banana slug and millipede (Harpaphe haydeniana)

Researchers review site maps and plans

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

Sherri Johnson and Ivan Arismendi inspect emergence insect traps in WS02

fern, lichen, moss

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

moss and lichen covered stone with western sword fern

Vine maple (Acer circinatum) leaves

Sherri Johnson and Ivan Arismendi inspect emergence insect traps in WS02

Hand lens and vine maple

Tree bole with woodpecker holes

Vanilla leaf (Achlys triphylla)

decomposing wood and cones from western hemlock

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

Hand lens and vine maple

wood detail showing patterns of bark borers

False Solomon's Seal flower (Maianthemum racemosum)

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

Stream in Watershed 2

Hand lens and vine maple

standing wood and bark from fallen tree

Hobo air temperature station associated with a phenology study site

bark detail

insect leaf damage to vine maple (Acer circinatum)

Fallen log and understory at the Andrews Forest

Watershed 03

recording data

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

ladder to ease stream access in WS02

Pacific Bleeding Heart (Dicentra formosa) flower

high meadow flowers

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

tagged tree

Malaise trap for flying insects

Understory view

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

Undergraduate researcher Ashley Pacelli inspects understory plant for insects

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

Malaise trap for flying insects

Collecting an insect

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

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

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

decomposing stump in the Andrews Forest

Undergraduate researcher Ashley Pacelli with an insect specimen

Rubus spectabilis (Salmonberry) flower

decomposing wood in the forest

bark detail

tagged trees and sample plots in the Andrews Forest

Undergraduate researcher Ashley Pacelli with an insect specimen

ferns

moss and lichen

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

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

Collecting an insect from vine maple leaf

Adiantum pedatum (Northern Maidenhair Fern)

moss

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

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

Rubus spectabilis (Salmonberry) flower

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

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

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

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

Researcher Linda Ashkenas inspects vine maple for insects

decomposing wood in the forest

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

climate station at WS02 in the Andrews Forest LTER

Researcher Linda Ashkenas inspects vine maple for insects

decomposing wood in the forest

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

climate station at WS02 in the Andrews Forest LTER

Researcher Linda Ashkenas inspects vine maple for insects

Undergraduate researcher Ashley Pacelli inspects understory plant for insects

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

access road in the HJ Andrews Experimental Forest LTER site

Inspecting Acer circinatum for leaf-out stage and insects

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