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STRATUM:

STRATUM:. Running a STRATUM Analysis. Creating a STRATUM Project. Define. Objectives. Install STRATUM. Choose. Use Existing. Perform Full. Perform Sample. Inventory. Inventory Method. Inventory. Inventory. Format/. Draw Random. Quality Check/. Sample. Convert Data to Access.

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STRATUM:

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  1. STRATUM: Running a STRATUM Analysis

  2. Creating a STRATUM Project

  3. Define Objectives Install STRATUM Choose Use Existing Perform Full Perform Sample Inventory Inventory Method Inventory Inventory Format/ Draw Random Quality Check/ Sample Convert Data to Access Map Sample Import Access Database to STRATUM Install i-Tree Start STRATUM PDA (Desktop and Project Configure PDA Define Data Inputs Quality Check Report Results Collect Data Interpret Results Transfer Data to Desktop Community Forest Management Plan OR OR

  4. Process Overview • Creating a new STRATUM project: • Formatting your inventory database • i-Tree Inventory PDA Utility • Other inventories • Converting Excel inventories to Access format • STRATUM formatted spreadsheet • Create Access table for STRATUM import • Import Access database into STRATUM • Define Unmatched Species Codes • Define Inventory

  5. i-Tree PDA Utility Do not require formatting Shared database w/MCTI A STRATUM-compatible Access table is automatically produced Step 1: Formatting the Inventory Database

  6. Other Inventories • STRATUM can only run after a STRATUM-formatted MS Access inventory table has been imported. • Formatting requirements: • MS Access (.mdb) table named “STRATUM_Inventory” • Must have STRATUM field headings • 17 field names: order, spelling, case sensitive • Format (i.e., numeric vs. alpha-numeric; null value)

  7. Step 2: Converting Excel inventories into Access Tables for STRATUM • Convert data to STRATUM format • Create metadata sheet • Create Access database and import inventory

  8. Step 3: Import Access Database into STRATUM • Launch STRATUM application • Define inventory type (sample vs. full) • Import STRATUM-formatted .mdb file • Establish DBH value and Management Zones • Select Climate Region

  9. Step 4: Define Unmatched Species Codes • STRATUM Limited to known predominant species by climate zone • National Tree Database Codes • ~22 species modeled per Climate Zone • Species Value Assignments • Tree Types • Non-tree Species Codes • Used for stocking reports • Won’t be counted as trees in reports • E.g., AVPSM = Available Planting Space for Medium tree

  10. Step 5: Define Inventory • Data fields • Default or Custom • Units (DBH only) • Tree Inventory by Record • Edit existing records • Insert new trees • Define Sample Data • Total number of Street Segments (Citywide or by Zone) • Change numbered zones to area name

  11. Define City Data

  12. Define Cost Data

  13. Define Benefit Price Data

  14. Benefit Price Data • Energy • Heating and Cooling • Air Pollution Emissions • Transaction costs • Wang & Santini • Carbon Dioxide • eCO2.com • Stormwater Runoff Reduction • Detention/Retention • Program Expenditures • Sanitary Water Treatment • Aesthetic and Other Benefits • Median Home Sales Price

  15. STRATUM: Reporting & Interpretation

  16. Define Objectives Install STRATUM Choose Use Existing Perform Full Perform Sample Inventory Inventory Method Inventory Inventory Format/ Draw Random Quality Check/ Sample Convert Data to Access Map Sample Import Access Database to STRATUM Install i-Tree Start STRATUM PDA (Desktop and Project Configure PDA Define Data Inputs Quality Check Report Results Collect Data Interpret Results Transfer Data to Desktop Community Forest Management Plan Generating & Interpreting Reports OR OR

  17. Interpret Results Report Results Resource Structure Analysis Benefit Cost Analysis Community Forest Management Plan

  18. Population Summary Species Distribution Relative Age Distribution Importance Values Condition Relative Performance Index (RPI) Stocking Level Maintenance Recommendation Maintenance Task Land Use Location Conflicts Canopy Cover Other Replacement Values Resource Structure Analysis: 15 Basic Reports

  19. Annual Benefits Energy Stormwater Air Quality Carbon Dioxide Aesthetic/other All Management Costs Net Annual Benefits Benefit-Cost Analysis Reports

  20. STRATUM Reports • Global Exports to Excel Spreadsheets • Can interface with graphs and change them • Manipulate data and select your own format type • Screen Prints to PDF, Word and RTF files • As viewed on screen - ready for reports, publications • Fixed formatting on some reports

  21. 2. Select Resource Structural Analysis 1. Go to Report 3. Select Report Type – Population Generating Reports

  22. Toggle Group Tree Tabs Search Zoom GoTo Page Page selection Report Format Selections Refresh screen (changing between report formats) Screen export Print shortcut Screen Tools for Viewing Reports

  23. Define Objectives Install STRATUM Choose Use Existing Perform Full Perform Sample Inventory Inventory Method Inventory Inventory Format/ Draw Random Quality Check/ Sample Convert Data to Access Map Sample Import Access Database to STRATUM Install i-Tree Start STRATUM PDA) (Desktop and Project Configure PDA Define Data Inputs Quality Check Report Results Collect Data Interpret Results Transfer Data to Desktop Community Forest Management Plan OR OR

  24. Management Considerations • The average tree provides over $125 in annual benefits. • Davis’s street trees return $5 for every $1 spent on their management. Can Davis’s trees sustain this level of benefits?

  25. Management Issues Needs to achieve: • Adequate structural complexity • Adequate canopy cover • Adequate pruning & maintenance

  26. Structural Complexity Goal: • Achieve adequate structural complexity focused on long-term benefits How?: • Plant species that are well adapted and long-lived • Reduce over reliance on too few species • Rejuvenation of areas where even, old-aged stands predominate

  27. Stable Canopy Cover Goal: • Maximize Canopy Cover to offset detrimental effects of hardscape How?: • Perpetuate current canopy cover • Selective removal and replacement where even, old-aged stands predominate • Promote additional coverage • Fill empty spaces • Plant large-stature trees where feasible • Select well adapted and long-lived species

  28. Pruning & Maintenance • Improve young tree care • Adjust pruning cycle: 8 yrs to 4-5 yrs • Target species in the poorest health Goal: • Improve tree condition to increase benefits provided while reducing liability and long-term maintenance costs How?:

  29. Conclusion • Davis has approx. 24,000 street trees. • Citywide, the publicly managed trees produce $3.1 million in annual benefits for a total cost of $560,000. • Continuing this level of benefits will take strategic program planning: • Adequate young tree care. • More frequent inspection and pruning. • Rejuvenating aging populations. • Planting areas void of trees.

  30. STRATUM in Practice • Municipal BCA • Municipal Tree Resource Assessments/State of the Urban Forest • Community Forest Management Plans • City of Davis • Program Advocacy • City of N. Vancouver

  31. Street Tree Resource Analysis/State of the Urban Forest Report • Executive Summary • The Tree Resource • Management Costs • Annual Benefits • Management Implications • Resource complexity • Resource extent • Maintenance needs • Appendices

  32. Davis Community Forest Management Plan • Overview • Context: Existing Conditions • History of Tree Management • Administration and Management • State of the Community Forest • Community Forest Goals, Policies, Standards and Actions • Glossary • Appendices • http://www.cityofdavis.org/pcs/trees/cfmp.cfm

  33. STRATUM & Street Tree Master Plans • Provide the best SERVICE possible • Most efficient use of resources • Maximize net benefits of trees • Increase customer Satisfaction • Cornerstone of compelling case for program funding

  34. Level of Service Analysis • Quantifiable measures of capacity or work performed • Identify measures for each program area • Tree planting (% full stocking) • Young tree care (cycle) • Large tree care (cycle) • Hazard tree abatement (% dead or dying) • Administration ($/tree) • Compare Current LOS with Standard and Optimal LOS

  35. Identify Funding Sources • Tree planting grants • Public awareness and volunteer training grants • Local measures • Assessment districts • Parcel tax • Other revenue sources • Carbon dioxide emission reduction credits • Shade tree programs for energy conservation • Stormwater management • Air pollution mitigation

  36. Advocacy

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