Florida Forestry Information

Special Management Zones  Site Management Recommendations

 

Below is a Site Sensitivity Class (SSC) index showing the SSC associated with soil erodibility conditions and percent slope.  Click on the site sensitivity classifications in the table to view the site management recommendations associated with them.  Links to further information about soil erodibility and slope estimation are also provided on the index.  This information is from the Florida Department of Agriculture and Consumer Services Division of Forestry's Silviculture Best Management Practices, 2000 edition.

 

Site Sensitivity Classification (SSC) Index

 

Soil Erodibility	K-Factor*	Slope= 0-2%	Slope= 3-7%	Slope= 8-12%	Slope= 13-17%	Slope= 18-22%	Slope= 22% +
Low	<0.20	A1	A2	A3	A4	A5	A6
Moderate	0.21-0.27	B1	B2	B3	B4	B5	B6
High	>0.28	C1	C2	C3	C4	C5	C6

 

* K-Factor: an index representing the potential erodibility of a soil by water based on soil texture.

 

Soil Erodibility Guide

Slope Estimation Guide

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Site Management Recommendations SSC A1

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	35	35
Perennial (0-20 ft.)	35	None	35
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	35	35
Perennial	35	None	35
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	35	35
Perennial	35	None	35

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	None 200 none
Temp. Roads/Skid Trails	0-300	Water Bars	250
Firelines	0-300	Water Bars	250

 

SSC Index

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Site Management Recommendations SSC A2

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	45	45
Perennial (0-20 ft.)	35	10	45
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	45	45
Perennial	35	10	45
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	45	45
Perennial	35	10	45

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	200 120 180
Temp. Roads/Skid Trails	0-300	Water Bars	135
Firelines	0-300	Water Bars	135

 

SSC Index

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Site Management Recommendations SSC A3

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	60	60
Perennial (0-20 ft.)	35	25	60
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	60	60
Perennial	35	25	60
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	60	60
Perennial	35	25	35

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	150 100 140
Temp. Roads/Skid Trails	0-300	Water Bars	80
Firelines	0-300	Water Bars	80

 

SSC Index

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Site Management Recommendations SSC A4

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	125 75 125
Temp. Roads/Skid Trails	0-300	Water Bars	60
Firelines	0-300	Water Bars	60

 

SSC Index

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Site Management Recommendations SSC A5

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	100 50 120
Temp. Roads/Skid Trails	0-300	Water Bars	45
Firelines	0-300	Water Bars	45

 

SSC Index

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Site Management Recommendations SSC A6

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	75 40 110
Temp. Roads/Skid Trails	0-300	Water Bars	30
Firelines	0-300	Water Bars	30

 

SSC Index

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Site Management Recommendations SSC B1

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	35	35
Perennial (0-20 ft.)	35	None	35
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	35	35
Perennial	35	None	35
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	35	35
Perennial	35	None	35

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	None 150 None
Temp. Roads/Skid Trails	0-300	Water Bars	250
Firelines	0-300	Water Bars	250

 

SSC Index

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Site Management Recommendations SSC B2

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	60	60
Perennial (0-20 ft.)	35	25	60
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	60	60
Perennial	35	25	60
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	60	60
Perennial	35	25	60

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	200 120 180
Temp. Roads/Skid Trails	0-300	Water Bars	135
Firelines	0-300	Water Bars	135

 

SSC Index

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Site Management Recommendations SSC B3

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	75	75
Perennial (0-20 ft.)	35	40	75
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	75	75
Perennial	35	40	75
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	75	75
Perennial	35	40	75

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	150 100 140
Temp. Roads/Skid Trails	0-300	Water Bars	80
Firelines	0-300	Water Bars	80

 

SSC Index

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Site Management Recommendations SSC B4

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	125 75 125
Temp. Roads/Skid Trails	0-300	Water Bars	60
Firelines	0-300	Water Bars	60

 

SSC Index

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BMP Menu

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Site Management Recommendations SSC B5

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	100 50 120
Temp. Roads/Skid Trails	0-300	Water Bars	45
Firelines	0-300	Water Bars	45

 

SSC Index

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Site Management Recommendations SSC B6

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	75 40 110
Temp. Roads/Skid Trails	0-300	Water Bars	30
Firelines	0-300	Water Bars	30

 

SSC Index

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Site Management Recommendations SSC C1

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	35	35
Perennial (0-20 ft.)	35	None	35
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	35	35
Perennial	35	None	35
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	35	35
Perennial	35	None	35

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	None 150 None
Temp. Roads/Skid Trails	0-300	Water Bars	250
Firelines	0-300	Water Bars	250

 

SSC Index

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BMP Menu

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Site Management Recommendations SSC C2

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	60	60
Perennial (0-20 ft.)	35	25	60
Perennial (21-40 ft.)	75	None	75
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	60	60
Perennial	35	25	60
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	60	60
Perennial	35	25	60

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	200 120 180
Temp. Roads/Skid Trails	0-300	Water Bars	135
Firelines	0-300	Water Bars	135

 

SSC Index

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BMP Menu

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Site Management Recommendations SSC C3

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	80	80
Perennial (0-20 ft.)	35	45	80
Perennial (21-40 ft.)	75	5	80
Perennial (40+ft.)	200	None	200
OFW, ONRW, Class I Waters	200	None	200

LAKES

Intermittent	Stringer	80	80
Perennial	35	45	80
OFW, ONRW, Class I Waters	200	None	200

SINKHOLES

Intermittent	Stringer	80	80
Perennial	35	45	80

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	150 100 140
Temp. Roads/Skid Trails	0-300	Water Bars	80
Firelines	0-300	Water Bars	80

 

SSC Index

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BMP Menu

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Site Management Recommendations SSC C4

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

   ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	125 75 125
Temp. Roads/Skid Trails	0-300	Water Bars	60
Firelines	0-300	Water Bars	60

 

SSC Index

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BMP Menu

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Site Management Recommendations SSC C5

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	100 50 120
Temp. Roads/Skid Trails	0-300	Water Bars	45
Firelines	0-300	Water Bars	45

 

SSC Index

Special Management Zones Menu

BMP Menu

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Site Management Recommendations SSC C6

  SPECIAL MANAGEMENT ZONES (each side of water body)

Stream Class

Primary Zone (ft.)

Secondary Zone (ft.)

Total SMZ (ft.)

STREAMS

Intermittent (all)	Stringer	300	300
Perennial (0-20 ft.)	35	265	300
Perennial (21-40 ft.)	75	225	300
Perennial (40+ft.)	200	100	300
OFW, ONRW, Class I Waters	200	100	300

LAKES

Intermittent	Stringer	300	300
Perennial	35	265	300
OFW, ONRW, Class I Waters	200	100	300

SINKHOLES

Intermittent	Stringer	300	300
Perennial	35	265	300

  ROAD CONSTRUCTION And DRAINAGE RECOMMENDATIONS

Structure	Zone Width (ft.)	Treatments Allowed	Spacing (ft.)
Permanent Roads	0-300	Culvert or Cross Ditch Water Turnouts Broad-base Dips	75 40 110
Temp. Roads/Skid Trails	0-300	Water Bars	30
Firelines	0-300	Water Bars	30

 

SSC Index

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