HomeMy WebLinkAboutMAP UNIT DESCRIPTIONSCustom Soil Reso
Report
Map Unit Legend
GGANNE
By
St Lude.Cavf
. I
Map Unit Symbol
Map Unit Name
I Acres in AOI
Percent of AOI
32
Pineda sand, 0 to 2 percent
slopes
I 0.3
48.3%
37
Riviera sand, frequently
ponded, 0 to 1 percent slopes
0.3
51.7%
Totals for Area of Interest
0.7
100.0%
Map Unit Description
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the surv4 area. The map unit descriptions, along
with the maps, can be used to determine j he composition and properties of a unit.
A map unit delineation on a soil map rE
major kinds of soil or miscellaneous ar
according to the taxonomic classificati(
class there are precisely defined limits
landscape, however, the soils are natu
characteristic variability of all natural pl
observed properties may extend beyor
Areas of soils of a single taxonomic cic
including areas of other taxonomic cla,,
up of the soils or miscellaneous areas
components that belong to taxonomic
)resents an area dominated by one or more
as. A map unit is identified and named
�� of the dominant soils. Within a taxonomic
1)r the properties of the soils. On the
it phenomena, and they have the
�nomena. Thus, the range of some
I the limits defined for a taxonomic class.
s rarely, if ever, can be mapped without
;es. Consequently, every map unit is made
)r which it is named and some minor
asses other than those of the major soils.
Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they do not affect I se and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
landform segments that have similar use and management requirements. The
delineation of such segments on 'the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
9
Custom Soil Resource Report
onsite investigation is needed to define and
areas.
An identifying symbol precedes the map unit r
Each description includes general facts about
properties and qualities.
Soils that have profiles that are almost alike n
differences in texture of the surface layer, all t
horizons that are similar in composition, thickr
Soils of one series can differ in texture of the
salinity, degree of erosion, and other characte
basis of such differences, a soil series is divil
shown on the detailed soil maps are phases c
commonly indicates a feature that affects use;
silt loam, 0 to 2 percent slopes, is a phase of11
the soils and miscellaneous
ne in the map unit descriptions.
e unit and gives important soil
ike up a soil series. Except for
e soils of a series have major
.ss, and arrangement.
urface layer, slope, stoniness,
ristics that affect their use. On the
ed into soil phases. Most of the -areas
,f soil series. The name of a soil phase
or management. For example, Alpha
:he Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or r
pattern or in such small areas that they canr
The pattern and proportion of the soils or mi
in all areas. Alpha -Beta complex, 0 to 6 per(
;ellaneous areas in such an intricate
be shown separately on the maps.
,Ilaneous areas are somewhat similar
t slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or mliscellaneous areas separately. The
pattern and relative proportion of the soils o'r miscellaneous areas are somewhat
similar. Alpha -Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of h
that -could be mapped individually, but are
I nterpretations can be made for use and r
of the soils or miscellaneous areas in a m
be made up of only one of the major soils
up of all of them. Alpha and Beta,soils, 01
Some surveys include miscellaneous
material and support little or no veget
or more soils or miscellaneous areas
apped as one unit because similar
inagement. The pattern and proportion
)ped area are not uniform. An area can
r miscellaneous areas, or it can be made
2 percent slopes, is an example.
. Such areas have little or no soil
Rock outcrop is an example.
Custom Soil Resource Report
St. Lucie County, Florida
32—Pineda sand, 0 to 2 percent slopes
Map Unit Setting
National map unit symbol: 2x1 nb
Elevation: 0 to 100 feet
Mean annual precipitation: 47 to 5
Mean annual air temperature: 70 t
Frost -free period: 355 to 365 days
Farmland classification: Farmland!
inches
77 degrees F
of unique importance
Map Unit Composition
Pineda and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observation.
Description of Pineda
descriptions, and transects of the mapunit.
Setting
Landform: Drainageways on marine terraces, flats on marine terraces
Landform position (three-dimensional): Tread, dip, talf
Down -slope shape: Linear '
Across -slope shape: Linear, concave
Parent material: Sandy and loamy marine deposits
Typical profile
A - 0 to 5 inches: sand
E - 5 to 99 inches: sand
Bw - 99 to 35 inches: sand
Btg/E - 35 to 38 inches: sandy loam
Big - 38 to 60 inches: sandy, loam
Cg - 60 to 80 inches: loamyI , sand
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: I More than 80 inches
Natural drainage class: Poorly drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 0 to 12 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 4 percent
Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0
mmhos/cm)
Sodium adsorption ratio, maximum in profile: 4.0
Available water storage in. profile: Low (about 4.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3w
Hydrologic Soil Group: C/D
10
Custom Soil Resource Report
Forage suitability group: Sandy olver loamy soils on flats of hydric or mesic
lowlands (G155XB241 FL)
Other vegetative classification: Slough (R155XY011 FL)
Hydric soil rating: Yes
Minor Components
Malabar
Percent of map unit: 6 percent
Landform: — error in exists on i—
Landform position (three-dimensional): Tread, dip, talf
Down -slope shape: Linear, concave
Across -slope shape: Linear, concave
Ecological site: Slough (R155XY011 FL)
Other vegetative classification: (Slough (R155XY011 FL)
Hydric soil rating: Yes I
Wabasso I
Percent of map unit. 5 percent
Landform: Flatwoods on marine terraces
Landform position (three-dimensional) - Tread, talf
Down -slope shape: Linear
Across -slope shape: Linear
Other vegetative classification:* South Florida Flatwoods (R155XY003FL)
Hydric soil rating: No ;
Valkaria
Percent of map unit: 2 percent
Landform: Drainageways on'flatwoods on marine terraces
Landform position (three-dimensional): Tread, dip, talf
Down -slope shape: Linear
Across -slope shape: Linear, concave
Other vegetative classification: Slough (R155XY011 FL)
Hydric soil rating: Yes
Hallandale
Percent of map unit. 2 percent
Landform: Flatwoods on marine terraces
Landform position (three-dimensional): Tread, talf
Down -slope shape: Linear I
Across -slope shape: Linear
Other vegetative classification: South Florida Flatwoods (R155XY003FL)
Hydric soil rating: Yes
37—Riviera sand, frequently;ponded, 0 to 1 percent slopes
Map Unit Setting
National map unit symbol. 2tzwm
Elevation: 0 to 70 feet
Mean annual precipitation: 46 to 58 inches
Mean annual air temperature: 68 to 77 degrees F
Custom Soil Resource Report
Frost -free period. 350 to 365 days
Farmland classification: Farmland of unique importance
I
Map Unit Composition
Riviera and similar soils: 85 perce It
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Riviera
Setting
Landform: Depressions on marine terraces
Landform position (three-dimensional): Tread, dip
Down -slope shape: Concave
Across -slope shape: Concave
Parent material. Sandy and loamy marine deposits
Typical profile
A - 0 to 0 inches: sand
E - 0 to 22 inches: sand
Btg/E - 22 to 31 inches: sandy loam
Btg1 - 31 to 42 inches: sandy;loam
Btg2 - 42 to 80 inches: sandylclay loam
Properties and qualities
Slope: 0 to 1 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Very poorly drained
Runoff class: Negligible
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to
moderately high (0.06 to'0.20 in/hr)
Depth to water table: About 0 inches
Frequency of flooding: None
Frequency of ponding: Frequent
Calcium carbonate, maximum in profile: 4 percent
Salinity, maximum in profile.i Nonsaline to very slightly saline (0.0 to 2.0
mmhos/cm)
Sodium adsorption ratio, maximum in profile: -4.0
Available water storage in profile: Moderate (about 6.7 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 7w
Hydrologic Soil Group: C/D
Forage suitability group: Sandy over loamy soils on stream terraces, flood plains,
or in depressions (G155XB245FL)
Other vegetative classification: Freshwater Marshes and Ponds (RI 55XY010FL)
Hydric soil rating: Yes
Minor Components
Chobee
Percent of map unit. 5 percent
Landform: Depressions on marine terraces
Landform position (three dimensional): Tread, dip
Down -slope shape: Concave
Across -slope shape: Concave
12
Custom Soil Resourc,'e Report
Ecological site: Freshwater Mars lies and Ponds (R155XY010FL)
Other vegetative classification: Freshwater Marshes and Ponds (R155XY010FL)
Hydric soil rating: Yes
Wabasso
Percent of map unit: 4 percent
Landform: Flatwoods on marine terraces
Landform position (three-dimensional): Tread, talf
Down -slope shape: Linear I
Across -slope shape: Linear
Other vegetative classification: South Florida Flatwoods (R155XY003FL)
Hydric soil rating: No
Malabar
Percent of map unit: ' 3 percent
Landform: Depressions on marine terraces
Landform position (three-dimensional): Tread, dip
Down -slope shape: Concave, Ilinear
Across -slope shape: Concave, linear
Ecological site: Slough (R155�Y011 FL)
Other vegetative classification: South Florida Flatwoods (R155XY003FL)
'Hydric soil rating: Yes I
Hallandale
Percent of map unit: 3 percent
Landform: Flatwoods on marine terraces
Landform position (three-dimensional): Tread, talf
Down -slope shape: Linear
Across -slope shape: Linear
Other vegetative classification: South Florida Flatwoods (R155XY003FL)
Hydric soil rating: Yes
I13
27' 31' 51" N
27° 31' 50" N
3
0
Custom Soil Resource Report
Soil Map
557602 557611 557620 557629 557638
3
o
N Map Scale: 1:388 if printed on A landscape (11" x 8.5D sheet
$ Metes
N
0 5 10 20 30
Feet
0 15 30 60 90
Map projection: Web Mercator Comer coordinates: WGS84 Edge tics: UTM Zone 17N WGS84
6
557647 5576% 557665 557674
557683
3
N
t7° 31'51"N '
27° 31' 50" N
Custom Soil Resource Report
MAP LEGEND
MAP INFORMATION
Area of Interest (Aol)
g
Spoil Area
The soil surveys that comprise your AOI were mapped at
F7
Area of Interest (AOI)
Stony Spot
1:24,000.
Soils
a
Soil Map Unit Polygons
Very Stony Spot
Warning:Soil Ma not be valid at this scale.
p may
Wet Spot
,—fte
Soil Map Unit Lines
Enlargement of maps beyond the scale of mapping can cause
0
Soil Map Unit Points
Other
misunderstanding of the detail of mapping and accuracy of soil
9 PP 9 Y
.-.
Special Line Features
line placement. The maps do not show the small areas of
Special
Point Features
contrasting soils that could have been shown at a more detailed
Uo
Blowout
Water Features
scale.
Streams and Canals
Borrow Pit
Transportation
Please rely on the bar scale on each map sheet for map
Clay Spot
i-1-fr
Rails
measurements.
Q
Closed Depression
Interstate Highways
Source of Map: Natural Resources Conservation Service
Gravel Pit
US Routes
Web Soil Survey URL:
Gravelly Spot
Coordinate System: Web Mercator (EPSG:3857)
Major Roads
Landfill
Local Roads - - - - --
__ _ __Maps from the Web Soil Survey are based on the Web Mercator
A.
Lava Flow
projection, which preserves direction -and -shape -but -distorts _
Background
distance and area. A projection that preserves area, such as the
Marsh or swamp
®
Aerial Photography
Albers equal-area conic projection, should be used if more
a
Mine or quarry
accurate calculations of distance or area are required.
®
Miscellaneous Water
This product is generated from the USDA-NRCS certified data as
0
Perennial Water
of the version date(s) listed below.
,J
Rock outcrop
Soil Survey Area: St. Lucie County, Florida
+
Saline Spot
Survey Area Data: Version 10, Oct 6, 2017
e
Sandy Spot
Soil map units are labeled (as space allows) for map scales
Severely Eroded Spot
1:50,000 or larger.
Sinkhole
Date(s) aerial images were photographed: Dec 31, 2009—Mar
Slide or Slip
20, 2017
oa
sodic Spot
The orthophoto or other base map on which the soil lines were .
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident.
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------------
ARFA TABULATION r
AREA !UNDER AR: I 1,259 SF
GARAGE AREA; 446 5F
COVERED ENTRY AREA: 87 5F
TOTAL AREA UNDER ROOF: 1,792 SF