Forest Fuel Appraisal Photoseries

Yellowstone National Park

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Junction Butte


FactorEnglish ValueUnitsMetric ValueUnits
Series Name: YELL 3 Andesitic Douglas-fir and Mixed Conifer
Plot: Junction Butte
Cover Type: DF2
Overstory composition: Douglas-fir 100%
Shrub composition: Snowberry 31%, Ribes sp. 3%, Spiraea 0.5%
Herbaceous composition: Grass 53%, Pinegrass 8%, Arnica latifolia 3%
Aspect: 16°T
Slope: 19%
Elevation: 6,286ft1,916m
UTME: 547706
UTMN: 4973543
Fuel load, One-hour: 0.778t/ac0.174kg/m2
Fuel load, Ten-hour: 0.051t/ac0.011kg/m2
Fuel load, Hundred-hour: 0.173t/ac0.039kg/m2
Fuel load, Thousand-hour Solid: 3.020t/ac0.677kg/m2
Fuel load, Thousand-hour Rotten: 2.920t/ac0.655kg/m2
Fuel load, Litter: 6.66t/ac1.493kg/m2
Fuel load, Duff: 22.33t/ac5.006kg/m2
Fuel load, Live herbaceous: 0.121t/ac0.027kg/m2
Fuel load, Live woody: 0.122t/ac0.027kg/m2
Fuel Bed Depth, Dead: 0.39ft12.0cm
Fuel Bed Depth, Herbaceous: 0.88ft26.88cm
Depth, Litter: 1.0in2.5cm
Depth, Duff: 1.3in3.3cm
Overstory live trees: 237stems/ac586stems/ha
Overstory snags: 210stems/ac519stems/ha
Seedling live trees: 6,119stems/ac519stems/ha
Seedling dead trees: 322stems/ac519stems/ha
Seedling height: 0.08ft0.02m
Canopy closure: 56%
Crown ratio: 35%
Basal area: 161.7ft2/ha37.1m2/ha
Codominant height: 79.2ft24.2m
Canopy base height: 45.0ft13.7m
Canopy ceiling height: 95.0ft29.0m
Canopy length: ftm
Crown base height: 50.8ft15.5m
Crown depth: 27.8ft8.5m
Canopy fuel load: 5.28t/ac1.18kg/m2
Canopy bulk density, Segmental: 0.00890lbs/ft3142.6g/m3
Canopy bulk density, Volumetric: 0.00870lbs/ft3139.4g/m3
Remarks: Last burned in the 1880s?

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