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8 fire regimewildfire_english_072418

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Indicator 8. Fire regime or wildfire

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8 fire regimewildfire_english_072418

  1. 1. Ukraine Polyana Workshop July 2018 Michael D. Owen, Aquatic Ecologist, Monongahela National Forest, USDA Forest Service Indicator 8: Fire Regime or Wildfire
  2. 2. Indicator 8: Fire Regime or Wildfire 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: To address the potential for altered hydrologic and sediment regimes because of departures from historical ranges of variability in vegetation, fuel composition, fire frequency, fire severity, and fire pattern. Rationale: Fire is an agent of disturbance that can alter vegetation and soil properties and result in changed hydrologic and geomorphic processes.
  3. 3. Indicator 8: Fire Regime or Wildfire Attributes: 8.1 Fire Regime Condition Class (FRCC) >>> OR <<< 8.2 Wildfire Effects Additional Guidance: • The Fire Regime Condition Class or Wildfire Condition Indicator is unique in that it is an either/or proposition in which either Fire Regime Condition Class or Wildfire Effects is rated. • Fire Regime Condition Class: While the use of national FRCC map products is encouraged, Forests may refine FRCC as appropriate to fit their local situations
  4. 4. Indicator 8: Fire Regime or Wildfire Condition Rating Functioning Properly (1) Functioning at Risk (2) Impaired Function (3) Indicator 8 Fire Regime or Wildfire Low likelihood of losing defining ecosystem components because of the presence or absence of fire. Moderate likelihood of losing defining ecosystem components because of the presence or absence of fire. High likelihood of losing defining ecosystem components because of the presence or absence of fire. 8.1 Fire Regime Condition Class (FRCC) FRCC 1: A predominate percentage of the watershed is within the natural (historical) range of variability (“reference fire regime”) for vegetation, fuels, and fire characteristics. FRCC 2: A predominate percentage of the watershed has a moderate departure from the reference fire regime for vegetation, fuels, and fire characteristics. FRCC 3: A predominate percentage of the watershed has a high departure from the reference fire regime for vegetation, fuels, and fire characteristics. 8.2 Wildfire Effects Effects to soil and ground cover conditions following a significant wildfire are expected to recover within 1 to 2 years. Effects to soil and ground cover conditions following a significant wildfire are expected to persist for 2 to 5 years. A significant wildfire would cause considerable post-fire runoff, erosion, and flooding threats to watershed condition integrity for more than 5 years. Rule Sets for Ratings
  5. 5. Indicator 8: Fire Regime or Wildfire Attribute 8.1 - Fire Regime Condition Class (FRCC) • The potential for watershed impacts generally increases as the departure from natural conditions increases for vegetation, fuels, and fires • This attribute is never rated when the attribute for “Wildfire Effects” is rated • Information was available from a Nationally derived FRCC • The Monongahela National Forest used a locally derived FRCC data (Thomas-Van Gundy and Nowacki 2013)
  6. 6. Indicator 8: Fire Regime or Wildfire Attribute 8.2 - Wildfire Effects • The potential for watershed impacts increases as the severity of wildfire effects on soil and vegetation increases • This is never rated for a watershed when the attribute for “Fire Regime Condition Class” is rated • This must be rated when more than 50 percent of a watershed is being affected by a significant wildfire • This may be rated when less than 50% of a watershed is being affected by a significant wildfire
  7. 7. Indicator 8: Fire Regime or Wildfire Condition Rating Functioning Properly (1) Functioning at Risk (2) Impaired Function (3) Indicator 8 Fire Regime or Wildfire Low likelihood of losing defining ecosystem components because of the presence or absence of fire. Moderate likelihood of losing defining ecosystem components because of the presence or absence of fire. High likelihood of losing defining ecosystem components because of the presence or absence of fire. 8.1 Fire Regime Condition Class (FRCC) FRCC 1: A predominate percentage of the watershed is within the natural (historical) range of variability (“reference fire regime”) for vegetation, fuels, and fire characteristics. FRCC 2: A predominate percentage of the watershed has a moderate departure from the reference fire regime for vegetation, fuels, and fire characteristics. FRCC 3: A predominate percentage of the watershed has a high departure from the reference fire regime for vegetation, fuels, and fire characteristics. 8.2 Wildfire Effects Effects to soil and ground cover conditions following a significant wildfire are expected to recover within 1 to 2 years. Effects to soil and ground cover conditions following a significant wildfire are expected to persist for 2 to 5 years. A significant wildfire would cause considerable post-fire runoff, erosion, and flooding threats to watershed condition integrity for more than 5 years. Rule Sets for Ratings

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