IDENTIFIERS

Current Taxon Name (Soil Name): Fiedler

OSD

Series Extent

User Site ID: 09CA600212

User Pedon ID: 09CA600212

Vegetation Plot ID: 09CA600212

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - NSSL

Lab Pedon # - 10N0668

NCSS Pedon Lab Data NASIS Record ID - 43220

Print Date: 11/24/2024

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: 40.5365278

Std. Longitude: -125.0273333

Datum: WGS84

Township: 2n

Range: 1E

Section: 23

Location Description: Humboldt County, California; Located approximately 3.4 mi off Rt 36 on C1000 before C1400. In the Van Duzen River Watershed.

Map Unit: 341—Fiedler-Petellen-Nanningcreek complex, 30 to 50 percent slopes

State: California

County: CA023—Humboldt

MLRA: 4B—Coastal Redwood Belt

Non-MLRA Soil Survey Area: CA600—Humboldt County, Central Part, California

7.5 Minute USGS Quad: 40124-E1—Hydesville, California

PEDON

Describers Name: Aszman, Sue

Current Taxonomic Class: Fine-loamy, mixed, active, isomesic Mollic Hapludalfs

Current Taxon Kind: series

Pedon Type: representative pedon for component

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 665

Correlated Information:

Soil Name - Fiedler

PSC - 55 to 105 cm.

Classificaton Date - 3/5/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Fiedler

Classificaton Date - 4/29/2009

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: colluvium derivied from conglomerate, or residum weathered from conglomerate

Landscape: mountains

Landform: mountain slope

Geomorphic Component Mountains: mountainflank, lower third

Hill Slope Profile: backslope

Slope Position: lower third

Slope Complexity: complex

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: high

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Bedrock: conglomerate, unspecified

Geology: Wildcat Undifferentiated member of the Carlotta formation in the Wildcat Group group.

Surface Fragments: 0.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 4/29/2009 (actual site observation date)

Air Photo ID: 6246-139

Surface Water Kind: none observed

Plant Association Name: Redwood-Douglas fir Forest

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - conifers

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
PSME SESE3 BAPI COSE4 RUDI2 2FA	Pseudotsuga menziesii Sequoia sempervirens Baccharis pilularis Cortaderia selloana Rubus discolor —	Douglas-fir redwood coyotebrush Uruguayan pampas grass Himalayan blackberry Forb, annual	— — — — — —	— — — — — —	— — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon	0—28 28—200	—28— —172—

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
38	—	—	178	—	210	1520	—	285	11	—	—	—	—	—	—	—	—	—	—

A—0 to 28 centimeters (0.0 to 11.0 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 5/3) broken face, dry; silt loam; 16 percent clay; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 8.0 very fine roots throughout and 2.0 fine roots throughout; 7.0 very fine irregular pores; 5 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter mixed fragments; slightly acid, pH 6.4, chlorophenol red; clear smooth boundary.; dry when described; observed in pit, small

ABt—28 to 55 centimeters (11.0 to 21.7 inches); dark yellowish brown (10YR 3/4) broken face, brown (10YR 5/3) broken face, dry; silt loam; 16 percent clay; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 8.0 very fine roots throughout and 2.0 medium roots throughout and 2.0 fine roots throughout and 2.0 coarse roots throughout; 7.0 very fine irregular pores; 5 percent faint clay films on surfaces along pores and 5 percent faint clay films on surfaces along root channels; 10 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter mixed fragments; slightly acid, pH 6.2, chlorophenol red; clear smooth boundary.; dry when described; observed in pit, small

Bt1—55 to 117 centimeters (21.7 to 46.1 inches); dark yellowish brown (10YR 4/4) broken face, light yellowish brown (10YR 6/4) broken face, dry; silt loam; 17 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 5.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 5.0 very fine tubular and 1.0 fine irregular pores; 5 percent faint clay films on surfaces along root channels and 5 percent faint clay films on surfaces along pores; 2 percent by volume nonflat angular weakly coherent cemented 2-39-75 millimeter sandstone, unspecified fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter mixed fragments; moderately acid, pH 6.0, chlorophenol red; gradual smooth boundary.; dry when described; observed in pit, small

Bt2—117 to 140 centimeters (46.1 to 55.1 inches); 60 percent yellowish brown (10YR 5/4) broken face and 40 percent yellowish brown (10YR 5/6) broken face, 60 percent very pale brown (10YR 7/4) broken face and 40 percent yellow (10YR 7/6) broken face, dry; silt loam; 17 percent clay; weak medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; moderately slow permeability; moderate excavation difficulty; 1.0 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 3.0 very fine irregular and 1.0 fine irregular pores; 15 percent faint clay films on surfaces along root channels and 15 percent faint clay films on surfaces along pores; 10 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter mixed fragments; moderately acid, pH 5.8, chlorophenol red; gradual smooth boundary.; dry when described; observed in pit, small

Bt3—140 to 200 centimeters (55.1 to 78.7 inches); 60 percent yellowish brown (10YR 5/4) broken face and 40 percent yellowish brown (10YR 5/6) broken face, 60 percent very pale brown (10YR 7/4) broken face and 40 percent yellow (10YR 7/6) broken face, dry; clay loam; 30 percent clay; weak medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; moderate excavation difficulty; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine irregular pores; 15 percent faint clay films on surfaces along root channels and 15 percent faint clay films on surfaces along pores; 14 percent by volume nonflat subrounded strongly coherent cemented 2-39-75 millimeter mixed fragments; moderately acid, pH 5.8, chlorophenol red.; dry when described; observed in pit, small