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Overview of iTree Software Tools Michael Knapp Director, Urban Forest Management Division Fairfax County, Virginia michael.knapp@fairfaxcounty.gov 703-324-1729
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Overview of Overview iTree Software Suite UFORE MCTI SDAP On-line Resources
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UFORE Urban Forest Effects Model Developed by USDA Forest Service's Northeastern Research Station Calculates: structure environmental effects values
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UFORE Allows users to collect data an urban forest And to estimate ecosystem services that resource provides
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Hmmm…sounds like STRATUM! Similarities Similar outcomes Structure, function, value Implications for management Similar goals Advocates for management/conservation Differences Different tree populations STRATUM: focus on street trees UFORE: focus on the whole urban forest
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UFORE – What can it be used for? Benchmark structure species composition number of trees tree density tree health, etc analyzed by land-use type Quantify air quality benefits Hourly VOC emissions Impact on ozone/CO formation Carbon storage/sequestration Effects of trees on building energy use and consequent effects on CO 2 emissions from power plants.
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UFORE – What can it be used for? Compensatory values $$$ air pollution removal carbon storage and sequestration Tree pollen allergenicity index Potential impact of forest pests Gypsy moth Emerald ash borer Asian longhorn beetle
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UFORE - application Can be used on complete populations Statistically based sampling and data collection protocols for large areas
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UFORE - data collection and process More complex than STRATUM structural / health components Limits use of volunteers Data collection more suited to professionals Customizable PDA Utility can be used to collect plot data Merged with local weather and air pollution concentration data. Data transferred through “shell” to US Forest Service for processing Customized reports returned to user
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MCTI Mobile Community Tree Inventory David V. Bloniarz, USDA Forest Service Designed as a basic tree inventory application Allows communities to conduct tree inventories and to produce summary reports at various levels of detail and effort Not meant as substitute for more robust commercial products
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MCTI Three-tiered inventory system enables users to select a level of use that matches their needs and comfort level: paper inventory tally sheet desktop application for inputting collected data fully computerized system incorporating desktop software and i-Tree's PDA Utility
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MCTI Paper tally sheet template
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MCTI PC Desktop Application and PDA Utility
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Variable inventory protocols Maintenance Risk tree Utility work PDA Utility data can populate STRUTUM Easy to use… ideal for volunteers Inexpensive! MCTI
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Profile species composition of urban forest Analyze condition of individual trees and of the entire forest Record information about significant trees Monitor planting success rates ID high-risk/hazard trees Identify budget needs Build public support for protecting and expanding urban forests STRATUM MCTI –Inventories and Uses
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Storm Damage Assessment Protocol Standardized method to assess widespread damage immediately after a sever storm FEMA funding Easy and accurate estimate of: Tree storm damage Costs for recovery SDAP
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SDAPProcess Overview Start with Emergency Planning Tree Emergency Plan Worksheet Pre-storm setup Create random sample segments Measure tree density and size class within and 50 feet outside of ROW Finalize Pre-storm report Store for future storms
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Reference data Tiger Line Data can be used for generating random segment samples 2% of blocksides Trees 10 minimum, 30 maximum per block Recommended that data collection be conducted by professional foresters/arborists
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SDAPData Processing Data collection Paper forms PDA Desktop Interface Manage Users Community Values Reference Data ROW Info Export Data
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Post Storm
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Post-storm work Revisit sample segments Debris: choose estimation method Indirect by average crown loss class Direct as Cubic Yards of debris Trees within ROW Hazard pruning by size class Hazard removal by size class Enter data, report results Check in mail!
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SDAP Validity Tested for ice storms Low variance 2% sample got within 5% of true value in field test Not tested for wind storms Larger variance May affect required sample size
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www.itreetools.org Resource/Learning Center Support E-mail support info@itreetools.org info@itreetools.org Phone # (877) 574-8733 (toll-free): Customer service staff is available Monday through Friday between: 08:30 AM to 12:00 PM (EST) 1:00 PM to 4:30 PM (EST) User Forum = great place to get answers
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www.itreetools.org
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