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6 roads trails_english_072118

Indicator 6. Roads and Trails

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Ukraine Polyana Workshop July 2018
Michael D. Owen, Aquatic Ecologist, Monongahela National Forest, USDA Forest Service
Indicator 6: Roads & Trails
Indicator 6: Roads & Trails
WATERSHED CONDITION INDICATORS
(12 Indicator Model)
5. RIPARIAN VEGETATION
1. Vegetation Condition
AQUATIC
PHYSICAL
(Weight = 30%)
12. FOREST HEALTH
1. Insects and Disease
2. Ozone
11. TERRESTRIAL
INVASIVE SPECIES
1. Extent & Rate of Spread
AQUATIC
BIOLOGICAL
(Weight = 30%)
TERRESTRIAL
PHYSICAL
(Weight = 30%)
TERRESTRIAL
BIOLOGICAL
(Weight = 10%)
4. AQUATIC BIOTA
1. Life Form Presence
2. Native Species
3. Exotic and/or Invasive
Species
6. ROADS & TRAILS
1. Open Road Density
2. Road Maintenance
3. Proximity to Water
4. Mass Wasting
9. FOREST COVER
1. Loss of Forest Cover
7. SOILS
1. Soil Productivity
2. Soil Erosion
3. Soil Contamination
1. WATER QUALITY
1. Impaired Waters
(303d Listed)
2. Water Quality Problems
(Not Listed)
2. WATER QUANTITY
1. Flow Characteristics
10. RANGELAND
VEGETATION
1. Vegetation Condition
8. FIRE REGIME or
WILDFIRE
1. Fire Condition Class
OR
2. Wildfire Effects
3. AQUATIC HABITAT
1. Habitat Fragmentation
2. Large Woody Debris
3. Channel Shape and
Function
Purpose:
This indicator addresses changes
to the hydrologic and sediment
regimes because of the density,
location, distribution, and
maintenance of the road and trail
network.
Rationale:
Roads and other linear
features can alter various
watershed processes and
conditions that influence the
health and sustainability of
aquatic ecosystems.
Indicator 6: Roads & Trails
For the Watershed Condition Classification process, all linear
features on the landscape that are used as a travel route, especially
if they may affect watershed processes and conditions in a manner
similar to roads that are commonly recognized.
Includes:
• authorized permanent roads and trails (paved and non-paved)
• temporary roads and trails (such as skid roads/trails) that
continue to affect watershed conditions
• unauthorized user-created roads/trails that continue to affect
watershed conditions
Definition: Roads and Trails
Indicator 6: Roads & Trails
Science dealing with the occurrence, circulation, distribution, and
properties of the waters of the earth and its atmosphere.
Definition: Hydrology
Indicator 6: Roads & Trails
Definition: Sediment
Naturally occurring material that is broken down by processes of
weathering and may subsequently be transported by the action of
wind, water, ice, and/or solely by the force of gravity acting on the
particles.
• sediment particles can be of any size.
Particle Size
fines boulders
Indicator 6: Roads & Trails
• Increase soil erosion
• Increase stream
sedimentation
• Reduce vegetation
cover
• Reduce site productivity
• Disrupt groundwater
flows
• Accelerate water run-
off
Potential Effects to Hydrology and Sediment
Ad

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6 roads trails_english_072118

  • 1. Ukraine Polyana Workshop July 2018 Michael D. Owen, Aquatic Ecologist, Monongahela National Forest, USDA Forest Service Indicator 6: Roads & Trails
  • 2. Indicator 6: Roads & Trails WATERSHED CONDITION INDICATORS (12 Indicator Model) 5. RIPARIAN VEGETATION 1. Vegetation Condition AQUATIC PHYSICAL (Weight = 30%) 12. FOREST HEALTH 1. Insects and Disease 2. Ozone 11. TERRESTRIAL INVASIVE SPECIES 1. Extent & Rate of Spread AQUATIC BIOLOGICAL (Weight = 30%) TERRESTRIAL PHYSICAL (Weight = 30%) TERRESTRIAL BIOLOGICAL (Weight = 10%) 4. AQUATIC BIOTA 1. Life Form Presence 2. Native Species 3. Exotic and/or Invasive Species 6. ROADS & TRAILS 1. Open Road Density 2. Road Maintenance 3. Proximity to Water 4. Mass Wasting 9. FOREST COVER 1. Loss of Forest Cover 7. SOILS 1. Soil Productivity 2. Soil Erosion 3. Soil Contamination 1. WATER QUALITY 1. Impaired Waters (303d Listed) 2. Water Quality Problems (Not Listed) 2. WATER QUANTITY 1. Flow Characteristics 10. RANGELAND VEGETATION 1. Vegetation Condition 8. FIRE REGIME or WILDFIRE 1. Fire Condition Class OR 2. Wildfire Effects 3. AQUATIC HABITAT 1. Habitat Fragmentation 2. Large Woody Debris 3. Channel Shape and Function Purpose: This indicator addresses changes to the hydrologic and sediment regimes because of the density, location, distribution, and maintenance of the road and trail network. Rationale: Roads and other linear features can alter various watershed processes and conditions that influence the health and sustainability of aquatic ecosystems.
  • 3. Indicator 6: Roads & Trails For the Watershed Condition Classification process, all linear features on the landscape that are used as a travel route, especially if they may affect watershed processes and conditions in a manner similar to roads that are commonly recognized. Includes: • authorized permanent roads and trails (paved and non-paved) • temporary roads and trails (such as skid roads/trails) that continue to affect watershed conditions • unauthorized user-created roads/trails that continue to affect watershed conditions Definition: Roads and Trails
  • 4. Indicator 6: Roads & Trails Science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere. Definition: Hydrology
  • 5. Indicator 6: Roads & Trails Definition: Sediment Naturally occurring material that is broken down by processes of weathering and may subsequently be transported by the action of wind, water, ice, and/or solely by the force of gravity acting on the particles. • sediment particles can be of any size. Particle Size fines boulders
  • 6. Indicator 6: Roads & Trails • Increase soil erosion • Increase stream sedimentation • Reduce vegetation cover • Reduce site productivity • Disrupt groundwater flows • Accelerate water run- off Potential Effects to Hydrology and Sediment
  • 7. Indicator 6: Roads & Trails • Increase soil erosion Potential Effects to Hydrology and Sediment
  • 8. Indicator 6: Roads & Trails • Increase stream sedimentation Potential Effects to Hydrology and Sediment
  • 9. Indicator 6: Roads & Trails • Reduce vegetation cover • Reduce site productivity Potential Effects to Hydrology and Sediment
  • 10. Indicator 6: Roads & Trails • Disrupt groundwater flows Potential Effects to Hydrology and Sediment Exposed micro- pores that naturally convey shallow groundwater
  • 11. Indicator 6: Roads & Trails • Accelerate water run-off Potential Effects to Hydrology and Sediment soil compaction on road surfaces reduces water infiltration and increases run-off Water that would naturally move more slowly as shallow groundwater through the soil profile is more efficiently transported downslope as surface flows by road ditches and compacted road surfaces.
  • 12. Indicator 6: Roads & Trails Increase soil erosion Increase stream sedimentation Reduce vegetation cover Reduce site productivity Disrupt groundwater flows Accelerate water run-off Potential Effects to Hydrology and Sediment How is this road potentially affecting watershed conditions?
  • 13. Indicator 6: Roads & Trails Increase soil erosion Increase stream sedimentation Reduce vegetation cover Reduce site productivity Disrupt groundwater flows Accelerate water run-off Potential Effects to Hydrology and Sediment How is this road potentially affecting watershed conditions?
  • 14. Indicator 6: Roads & Trails Increase soil erosion Increase stream sedimentation Reduce vegetation cover Reduce site productivity Disrupt groundwater flows Accelerate water run-off Potential Effects to Hydrology and Sediment How is this road potentially affecting watershed conditions?
  • 15. Indicator 6: Roads & Trails Increase soil erosion Increase stream sedimentation Reduce vegetation cover Reduce site productivity Disrupt groundwater flows Accelerate water run-off Potential Effects to Hydrology and Sediment How is this road potentially affecting watershed conditions?
  • 16. Indicator 6: Roads & Trails Increase soil erosion Increase stream sedimentation Reduce vegetation cover Reduce site productivity Disrupt groundwater flows Accelerate water run-off Potential Effects to Hydrology and Sediment How is this road potentially affecting watershed conditions?
  • 17. Indicator 6: Roads & Trails Increase soil erosion Increase stream sedimentation Reduce vegetation cover Reduce site productivity Disrupt groundwater flows Accelerate water run-off Potential Effects to Hydrology and Sediment How is this road potentially affecting watershed conditions?
  • 18. Indicator 6: Roads & Trails Attributes: 6.1 Open Road Density 6.2 Road and Trail Maintenance 6.3 Proximity to Water 6.4 Mass Wasting Additional Guidance: • Road is broadly defined to include all linear features that behave in an ecological context as traditionally defined roads • Rate mass wasting “Not Applicable” if it is not a significant process
  • 19. Indicator 6: Roads & Trails Rule Sets for Ratings Condition Rating Functioning Properly (1) Functioning at Risk (2) Impaired Function (3) Indicator 6 Roads & Trails hydrologic regime is substantially intact and unaltered by roads/trails moderate probability that the hydrologic regime is substantially altered higher probability that the hydrologic regime is substantially altered 6.1 Open Road Density less than 1 mi/mi2, or locally determined criteria for good conditions from 1 to 2.4 mi/mi2, or locally determined criteria for fair conditions more than 2.4 mi/mi2, or locally determined criteria for poor conditions 6.2 Road & Trail Maintenance Best Management Practices (BMPs) applied to >75% of features BMPs applied to 50% to 75% of features BMPs applied to <50% of features 6.3 Proximity to Water 10% or less are within 300 feet of water bodies or hydrologically connected to them 10% to 25% are within 300 feet of water bodies or hydrologically connected to them >25% are within 300 feet of water bodies or hydrologically connected to them 6.4 Mass Wasting features pose no danger for large quantities of debris being delivered to streams because of mass wasting features pose some danger for large quantities of debris being delivered to streams because of mass wasting Mass wasting that could deliver large quantities of debris to the stream channel is a primary concern
  • 20. Indicator 6: Roads & Trails Attribute 6.1 - Open Road Density • likelihood of watershed impacts increases with increasing road density • assessed for all open roads • Informed by road databases and GIS layers
  • 21. Indicator 6: Roads & Trails Attribute 6.2 - Road and Trail Maintenance • likelihood of watershed impacts increases with a decreasing percentage of roads maintained to standard • Example: percent maintained to standard = (95% of level 3, 4, and 5 roads) + (50% of levels 1 and 2 roads) • Informed by road databases, GIS layers, and local knowledge
  • 22. Indicator 6: Roads & Trails Attribute 6.3 - Proximity to Water • likelihood of watershed impacts increases with increasing riparian roads • Example: over-lay roads with riparian areas • Informed by road databases and GIS layers
  • 23. Indicator 6: Roads & Trails Attribute 6.4 - Mass Wasting • likelihood of watershed impacts increases where roads occur on soils with risk of mass wasting • Example: over-lay roads with soils associated with mass wasting • Informed by road databases, GIS layers, and local knowledge
  • 24. Indicator 6: Roads & Trails Rule Sets for Ratings Condition Rating Functioning Properly (1) Functioning at Risk (2) Impaired Function (3) Indicator 6 Roads & Trails hydrologic regime is substantially intact and unaltered by roads/trails moderate probability that the hydrologic regime is substantially altered higher probability that the hydrologic regime is substantially altered 6.1 Open Road Density less than 1 mi/mi2, or locally determined for good conditions from 1 to 2.4 mi/mi2, or locally determined for fair conditions more than 2.4 mi/mi2, or locally determined for poor conditions 6.2 Road & Trail Maintenance Best Management Practices (BMPs) applied to >75% of features BMPs applied to 50% to 75% of features BMPs applied to <50% of features 6.3 Proximity to Water 10% or less are within 300 feet of water bodies or hydrologically connected to them 10% to 25% are within 300 feet of water bodies or hydrologically connected to them >25% are within 300 feet of water bodies or hydrologically connected to them 6.4 Mass Wasting features pose no danger for large quantities of debris being delivered to streams because of mass wasting features pose some danger for large quantities of debris being delivered to streams because of mass wasting Mass wasting that could deliver large quantities of debris to the stream channel is a primary concern
  • 25. Indicator 6: Roads & Trails Field Applications • Rapid road assessment of existing roads