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Northern California Fires - Geographic Context & Lands Affected

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Gathering Together: A Community Discussion on the Impacts of the Recent Wildfires

- Tom Robinson, Director of Conservation, Science, and Innovation, Bay Area Open Space Council

This presentation was given during a workshop at the Bay Area Open Space Council's November Gathering on Thursday, November 16, 2017 at the David Brower Center in Berkeley, CA. More info on the Bay Area Open Space Council's blog: http://openspacecouncil.org/2017novgathering/

Published in: Science
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Northern California Fires - Geographic Context & Lands Affected

  1. 1. 1. Multiple Northern California fires on October 9th
  2. 2. 2. North Bay fires: 244 mi2
  3. 3. Pocket Tubbs Nuns Pressley Atlas Hwy 37 Patrick, Norrbom, Adobe fires merged into Nuns ~155,000 acres or 244 mi2
  4. 4. 3. Burned for nearly 1 month Most destructive during first 48 hours
  5. 5. October 11th
  6. 6. October 16th
  7. 7. October 11th
  8. 8. October 16th
  9. 9. 4. 125,000 acres of parcelized private land
  10. 10. ~131,000 ac
  11. 11. ~23,000 ac
  12. 12. 5. A mosaic of vegetation types
  13. 13. Mixed Hardwoods (oaks, bay, madrone), 31% Mixed Montane Chaparral, 13% Grasslands, 14% Douglas Fir Forest, 7% Vineyards, 6% Rural Residential, 5% Coast Live Oak Forest / Woodland, 3% Mixed Chaparral, 3% Urban, 2% Oregon Oak Woodland, 2% Land Cover and Habitats
  14. 14. 6. Uneven burn severity
  15. 15. High Moderate Low Very Low Soil Burn Severity Nuns Fire SANTA ROSA BOYES HOT SPRINGS KENWOOD SUGARLOAF RIDGE STATE PARKANNADEL STATE PARK HOOD MTN REGIONAL PARK
  16. 16. 7. These areas have burned before
  17. 17. 2001 - Present 1981 - 2000 1961 - 1980 1941 - 1960 Fire History SANTA ROSA NAPA Geysers Fire (October 2004) Rumsey Fire (October 2004) Hanley Fire (1964)
  18. 18. Regional Fire Threat
  19. 19. Very High High Moderate No/low Fuel* *Water, agriculture Fire Threat Source: CAL FIRE
  20. 20. Upland Parks and Preserves Very High High Moderate No/low Fuel* *Water, agriculture
  21. 21. Very High (44%) High (33%) Moderate (14%) No/low Fuel* (9%) *Water, agriculture Fire Threat in Upland Parks and Preserves 77% Very High or High Fire Risk

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