Trapper Creek Wilderness Air Quality Report
Wilderness ID: 242
Wilderness Name: Trapper Creek Wilderness
Trapper Creek Wilderness Air Quality Report
National Forest: Gifford Pinchot National Forest
State: WA
Counties: Skamania
General Location: Southern Washington Cascade Range
Acres: 5,969
Thursday, May 17, 2012
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Trapper Creek Wilderness Air Quality Report
Wilderness ID: 242
Wilderness Name: Trapper Creek Wilderness
Wilderness Categories
Information Specific to this Wilderness
Year Established
1984
Establishment Notes
Washington State Wilderness Act of 1984
Designation
Clean Air Act Class 2
Administrative
Gifford Pinchot National Forest
Unique Landscape Features
Trapper Creek Wilderness protects nearly all of the Trapper Creek drainage and
provides the only pristine anadromous fish habitat in the Wind River watershed.
Sparkling streams and waterfalls grace steeply dissected canyons of heavy timber.
Spotted owls, pileated woodpeckers and goshawks enjoy the tall, old-growth
Douglas-fir forests that comprise the heart of this wilderness. Soda Peaks Lake, the
area's single body of water, gleams from a cirque below Soda Peaks in the southwest
corner. Observation Peak, the site of a former fire lookout, offers sweeping views of
Mount St. Helens, Mount Rainier, Mount Adams, and Mount Hood.
Lakebed Geology Sensitivity
Medium
Lakebed Geology Composition
andesite dacite diorite phylite (7%), basalt gabbro wacke argillite undifferentiated
volcanic rocks (88%), amphibolite hornfels paragneiss undifferentiated
metamorphic roc (5%), GC 1+2 (7%), GC 1+2+3 (95%), GC 4+5+6 (2%)
Not reported in the database.
Not reported in the database.
Visitor Use
Mean Annual Precipitation
Elevation Range
Mean Max Aug Temp
Mean Min Dec Temp
Lake Acres
Pond Acres
Lake Count
Pond Count
TES Flora
TES Wildlife
TES Fish
Ozone Sensitive Plants
Air Quality Sensitive Lichens
Cultural Resources
Status/Trends: Acid Deposition:
Status/Trends: Nutrient
Enrichment:
Status/Trends: Ozone Impacts:
377 - 1374 (meters)
Not reported in the database.
Not reported in the database.
Not reported in the database.
6
Not reported in the database.
1
Penstemon wilcoxii
Not reported in the database.
Not reported in the database.
Not reported in the database.
Alectoria sarmentosa, Bryoria capillaris, Bryoria fuscescens, Cavernularia hultenii,
Cladonia ochrochlora, Hypogymnia apinnata, Hypogymnia occidentalis, Nodobryoria
oregana, Parmelia squarrosa, Parmeliopsis ambigua, Parmeliopsis hyperopta
Not reported in the database.
Not reported in the database.
Not reported in the database.
Not reported in the database.
Thursday, May 17, 2012
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Trapper Creek Wilderness Air Quality Report
Wilderness ID: 242
Wilderness Name: Trapper Creek Wilderness
AQRV's
Fauna
Fauna Priority: Medium
Fauna Receptor: Fish
Fauna Indicator: Concentration of methyl mercury
Fauna Trends: Not reported in the database.
Fauna Actions:
Consider sampling resident fish for mercury from most frequently fished lakes (people and wildlife). While on-site, collect
water quality samples.
Flora
Flora Priority: High
Flora Receptor: Lichens
Flora Indicator: Changes in community composition
Flora Trends: Not reported in the database.
Flora Priority 2: High
Flora Receptor 2: Lichens
Flora Indicator 2: Concentrations of N, S, P, Cd, Cr, Pb, Hg, Ni, Ti, V and Zn
Flora Trends 2: Not reported in the database.
Flora Priority 3: Medium
Flora Receptor 3: Ozone
Flora Indicator 3: Visible injury on ozone-sensitive plants
Flora Trends 3: Not reported in the database.
Flora Actions:
Repeat visits to lichen plots once every 10 years. Waiting for previously-collected lichen to be evaluated for trends.
Consider, while on-site, also sampling vegetation for injury from ozone.
Visibility
Visibility Priority: Low
Visibility Receptor: Scenic Views
Visibility Indicator: Regional haze
Visibility Trends: Not reported in the database.
Visibility Actions
None.
Water
Water Priority: Medium
Water Receptor: Water Chemistry
Water Indicator: ANC
Water Trends: Not reported in the database.
Water Priority 2: Medium
Water Receptor 2: Water Chemistry
Water Indicator 2: DIN: TP
Water Trends 2: Not reported in the database.
Water Priority 3: Low
Water Receptor 3: Diatoms
Thursday, May 17, 2012
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Trapper Creek Wilderness Air Quality Report
Wilderness ID: 242
Wilderness Name: Trapper Creek Wilderness
Water Indicator 3: Community Composition
Water Trends 3: Not reported in the database.
Water Actions:
Collect water samples from Soda Peaks Lake and analyze for anions, cations, and nutrients. Consider, while there,
sampling fish for mercury.
Challenge Points
Fauna Challenge Points: Not reported in the database.
Flora Challenge Points: 8
Total Plots: 2
Desired Plots: 1
Additional Plots Needed: -1
Data Type: Trends
Round 1 Visits: 1
Round 2 Visits: 1
Baseline %: 200
Trends %: 100
Visibility Challenge Points: Not reported in the database.
Water Challenge Points: Not reported in the database.
Thursday, May 17, 2012
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