IDENTIFIERS

  • Current Taxon Name (Soil Name): Fullcurl
  • OSD
  • Series Extent
  • User Site ID: S2014AK290004
  • User Pedon ID: S2014AK290004
  • Vegetation Plot ID: S2014AK290004
  • User Site Association ID: AK685_TREE-DATA-ENTRYAK686_ALLES_F231XY055AK_datasetES_F231XY055AK_RPC_modal
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Print Date: 2/18/2026

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 65.7088530
  • Std. Longitude: -145.0481040
  • Datum: WGS84
  • State: Alaska
  • County: AK290—Yukon-Koyukuk Census Area
  • MLRA: 231—Interior Alaska Highlands
  • Non-MLRA Soil Survey Area: AK686—White Mountains Area, Alaska

    • PEDON

  • Describers Name: N. Roth, J. Paul
  • Pedon Type: classifies to current taxon name, brief description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Unnamed
  • Taxonomic Class - Loamy-skeletal, mixed, superactive Eutric Humigelepts
  • Taxon Kind - family
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/12/2015
  • Classifier - nr
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: organic material over coarse-loamy complex landslide deposits
  • Landscape: mountains
  • Landform: mountain slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/14/2014 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    2FORB

    2MOSS

    ANEMO

    ARRU

    BEGL

    CAREX

    CASC10

    CATE11

    CEIS60

    CLADO3

    CLRA60

    CLST60

    DAFR3

    DROC

    EMNI

    FEAL

    FLNI

    HEAL

    HYSP70

    JUCO6

    LEGR

    LUAR2

    PAPAV

    PEAP60

    PIGL

    PIGL

    PIGL

    PLSC70

    PYAS

    RHLA2

    SAAN3

    SARE2

    SARI4

    SAXIF

    SOLID

    VAUL

    VAVI

    ZIEL2

    —

    —

    Anemone

    Arctostaphylos rubra

    Betula glandulosa

    Carex

    Carex scirpoidea

    Cassiope tetragona

    Cetraria islandica

    Cladonia

    Cladina rangiferina

    Cladina stellaris

    Dasiphora fruticosa

    Dryas octopetala

    Empetrum nigrum

    Festuca altaica

    Flavocetraria nivalis

    Hedysarum alpinum

    Hylocomium splendens

    Juniperus communis

    Ledum groenlandicum

    Lupinus arcticus

    Papaver

    Peltigera aphthosa

    Picea glauca

    Picea glauca

    Picea glauca

    Pleurozium schreberi

    Pyrola asarifolia

    Rhododendron lapponicum

    Saussurea angustifolia

    Salix reticulata

    Salix richardsonii

    Saxifraga

    Solidago

    Vaccinium uliginosum

    Vaccinium vitis-idaea

    Zigadenus elegans

    Forb (herbaceous, not grass nor grasslike)

    Moss

    anemone

    red fruit bearberry

    resin birch

    sedge

    northern singlespike sedge

    white arctic mountain heather

    island cetraria lichen

    cup lichen

    greygreen reindeer lichen

    star reindeer lichen

    —

    eightpetal mountain-avens

    black crowberry

    Altai fescue

    —

    alpine sweetvetch

    splendid feather moss

    common juniper

    bog Labrador tea

    arctic lupine

    poppy

    felt lichen

    white spruce

    white spruce

    white spruce

    Schreber's big red stem moss

    liverleaf wintergreen

    Lapland rosebay

    narrowleaf saw-wort

    netleaf willow

    Richardson's willow

    saxifrage

    goldenrod

    bog blueberry

    lingonberry

    mountain deathcamas

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    8

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    3

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    12

    1

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    5

    1

    1

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    1

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    1

    1

    7

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    5

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    7

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    ochric epipedon

    0—23

    0—18

    —-

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    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    30

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    956

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    150

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    Oe—0 to 9 centimeters (0.0 to 3.5 inches); very dark brown (10YR 2/2) broken face moderately decomposed plant material; 1.0 very coarse roots throughout and 2.0 medium roots throughout and 1.0 coarse roots throughout; fragments; noneffervescent, by hcl, 1n, pH meter; clear smooth boundary.; moist when described; observed in pit, small
    Oa—9 to 15 centimeters (3.5 to 5.9 inches); black (10YR 2/1) broken face highly decomposed plant material; 2.0 very coarse roots throughout and 3.0 medium roots throughout and 5.0 fine roots throughout and 1.0 coarse roots throughout; fragments; noneffervescent, by hcl, 1n, pH meter; clear smooth boundary.; moist when described; observed in pit, small
    A—15 to 23 centimeters (5.9 to 9.1 inches); very dark brown (10YR 2/2) broken face gravelly silt loam; weak medium subangular blocky parts to moderate fine granular structure; 2.0 medium roots throughout and 5.0 fine roots throughout; 5 percent by volume nonflat subangular indurated 75-?-250 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 5-?-75 millimeter mixed fragments observed by visual inspection method and 10 percent by volume nonflat subangular indurated 2-?-5 millimeter mixed fragments observed by visual inspection method; noneffervescent, by hcl, 1n, pH meter; clear irregular boundary.; moist when described; observed in pit, small
    C—23 to 38 centimeters (9.1 to 15.0 inches); olive brown (2.5Y 4/3) broken face gravelly silt loam; weak thin platy structure; 1.0 medium roots throughout and 4.0 fine roots throughout; 2 percent by volume nonflat subangular indurated 75-?-250 millimeter mixed fragments observed by visual inspection method and 10 percent by volume nonflat subangular indurated 2-?-5 millimeter mixed fragments observed by visual inspection method and 15 percent by volume nonflat subangular indurated 5-?-75 millimeter mixed fragments observed by visual inspection method; slight effervescence, by hcl, 1n, pH meter; abrupt smooth boundary.; moist when described; observed in pit, small
    Ab1—38 to 45 centimeters (15.0 to 17.7 inches); black (10YR 2/1) broken face highly organic silt loam; weak thin platy, and weak fine subangular blocky structure; 1.0 medium roots throughout and 3.0 fine roots throughout; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 5-?-75 millimeter mixed fragments observed by visual inspection method; noneffervescent, by hcl, 1n, pH meter; abrupt smooth boundary.; moist when described; observed in pit, small
    Cb1—45 to 85 centimeters (17.7 to 33.5 inches); 90 percent light olive brown (2.5Y 5/3) broken face and 10 percent dark grayish brown (2.5Y 4/2) broken face very gravelly very gravelly loam, silt loam; strong medium platy, and moderate fine angular blocky structure; 1.0 fine roots throughout; 3 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; 2 percent by volume nonflat subangular indurated 75-?-250 millimeter mixed fragments observed by visual inspection method and 15 percent by volume nonflat subangular indurated 5-?-75 millimeter mixed fragments observed by visual inspection method and 20 percent by volume nonflat subangular indurated 2-?-5 millimeter mixed fragments observed by visual inspection method; very slight effervescence, by hcl, 1n, pH meter; clear smooth boundary.; moist when described; observed in pit, small
    Ab2—85 to 90 centimeters (33.5 to 35.4 inches); 70 percent 10YR 2.5/1 (10YR 2.5/1) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face highly organic silt loam; moderate thin platy structure; 1.0 fine roots throughout; 1 percent by volume nonflat subangular indurated 5-?-75 millimeter mixed fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 2-?-5 millimeter mixed fragments observed by visual inspection method; noneffervescent, by hcl, 1n, pH meter; clear smooth boundary.; moist when described; observed in pit, small
    Cb2—90 to 130 centimeters (35.4 to 51.2 inches); dark grayish brown (2.5Y 4/2) broken face extremely gravelly silt loam; structureless massive; 1.0 fine roots throughout; 20 percent by volume nonflat subangular indurated 5-25-75 millimeter mixed fragments observed by weighed method and 25 percent by volume nonflat subangular indurated 76-120-250 millimeter mixed fragments observed by visual inspection method and 25 percent by volume nonflat subangular indurated 2-3-5 millimeter mixed fragments observed by weighed method; strong effervescence, by hcl, 1n, pH meter.; moist when described; observed in pit, small