Managing Urban Forests During Severe Drought
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Mandy Burgess
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Managing Urban Forests During Severe Drought
- 1. SantaBarbaraCA.gov/ParksAndRec PARKS AND RECREATION DEPARTMENT MANAGING URBAN FORESTS DURING SEVERE DROUGHT Partners in Community Forestry Conference November 19, 2015
- 2. SantaBarbaraCA.gov/ParksAndRec Learning Objectives โข How to develop strategic drought response plans โข Policy considerations โข Tools to achieve tree management efficiencies โข Community outreach methods โข Opportunities to raise funds to support tree preservation
- 5. SantaBarbaraCA.gov/ParksAndRec Santa Barbaraโs Urban Forest of the Past Circa 1800
- 7. SantaBarbaraCA.gov/ParksAndRec Species Diversity Introduced Early Photo circa 1900s
- 9. SantaBarbaraCA.gov/ParksAndRec Todayโs Urban Forest โข 23,000 street trees โข 10,000 park trees โข Native forests โข 456 different species โข Trees on private land โข Estimated 320,000 trees in urban forest
- 10. SantaBarbaraCA.gov/ParksAndRec Benefits of Trees โข Shade โข Habitat โข Air Quality โข Water Quality โข Color โข Neighborhood and street character โข Horticulture โข Culture & History โข Food Source โข Property Values โข Aesthetics โข Recreation โข Health & Well-being
- 11. SantaBarbaraCA.gov/ParksAndRec Urban Forest Management โข Parks and Recreation Department โข Forestry Program โข 8 staff โข Urban Forest Superintendent โข Street Tree Supervisor โข 6 field staff โข Operate on <$1 M budget
- 13. SantaBarbaraCA.gov/ParksAndRec Urban Forest Action โข โDevelop strategies to manage sensitive parkway trees during drought conditionsโ
- 14. SantaBarbaraCA.gov/ParksAndRec MANAGING SANTA BARBARAโS URBAN FOREST DURING A SEVERE DROUGHT
- 15. SantaBarbaraCA.gov/ParksAndRec Drought Declarations โข Stage I- February 2014 โข Voluntary 20% conservation โข Stage II- May 2014 โข Drought Strategy Plan โข Required 20% conservation โข Stage III- May 2015 โข 2013/2014 4th driest year on record โข 25% mandatory water conservation
- 16. SantaBarbaraCA.gov/ParksAndRec Strategic Drought Response Plan โข Assess the Departments tree assets and resources โข Short-term and longer-term impacts of reduced water โข Need to protect historic resources โข Programmatic changes which could conserve water use โข Modifications to irrigation practices
- 17. SantaBarbaraCA.gov/ParksAndRec Prioritize what trees get water โข Young trees- still establishing root system โข Historic trees and Notable specimens โข Rare trees โข Species drought intolerant โข Eucalyptus โข Pines โข Sycamores, Willows
- 18. SantaBarbaraCA.gov/ParksAndRec Actions to conserve water โข Postpone new plantings โข Change pruning practices โข Reduce removal of live tissue โข Focus on dead tissue โข Monitor trees in historically significant parks โข Develop Historic and Specimen Tree Action Plan
- 19. SantaBarbaraCA.gov/ParksAndRec Actions to conserve water โข Slow watering devices โข Gator Bags โข Irricades โข Mulch to reduce evaporation โข Implement water tracking โข Water meters installed on trucks and trailer
- 20. SantaBarbaraCA.gov/ParksAndRec Historic and Specimen Drought Action Plan
- 21. SantaBarbaraCA.gov/ParksAndRec TOOLS TO ACHIEVE TREE MANAGEMENT EFFICIENCIES What do you achieve with the resources you have?
- 22. SantaBarbaraCA.gov/ParksAndRec Monitor to Manage โข June 2014- Institute aggressive monitoring โข Tree watering โข Tree maintenance โข Installed water meters on truck/trailer
- 24. SantaBarbaraCA.gov/ParksAndRec Results were Shocking โข 35 minutes to water young trees โข 2+ hours to water mature historic trees Reaction: โข Install slow watering devices โข Gator bags on young trees โข Irricades on historic and mature trees
- 25. SantaBarbaraCA.gov/ParksAndRec Time Reduced, More trees watered 0 5 10 15 20 25 30 35 40 JUL AUG SEP OCT NOV JAN FEB MAR APR MAY JUN (min.) Tree Gator Bag Installation Time increase reflects staff reduced use of side sprayer and hose and increase in probe
- 26. SantaBarbaraCA.gov/ParksAndRec Time Reduced, More trees watered 0 50 100 150 200 250 JUL AUG SEP OCT NOV JAN FEB MAR APR MAY JUN (min) Irricade Installation Start watering Stone Pines by hand Average time now 13 min.
- 28. SantaBarbaraCA.gov/ParksAndRec What do you need? โข Financial support โข Purchase equipment โข Perform specialized treatments โข Volunteer support โข Adopt a street tree โข Bucket brigade
- 30. SantaBarbaraCA.gov/ParksAndRec THANK YOU! Mandy Burgess Administrative Analyst City of Santa Barbara Parks and Recreation Deptartment aburgess@santabarbaraca.gov 805-564-5436