Heritage District Tree Survey
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Transcript of Heritage District Tree Survey
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Micah Pace, M.S.Micah Pace, M.S.
Regional Urban ForesterRegional Urban ForesterTexas Forest ServiceTexas Forest Service
Lorraine TaylorLorraine Taylor
Irving Heritage DistrictIrving Heritage DistrictNeighborhoodNeighborhood
AssociationAssociation
May 27, 2009
City of Irving
Key Findings and Recommendations
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Executive Summary of Irvings Heritage District Street Tree Survey
Overview
Trees provide real economic benefits
Trees provide ecological services
Post Oaks are important to our heritage
An urban forest within Heritage Crossing gives an authenticquality and will position the City of Irving as a leader in visionary
Trees are critical to our quality of life
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Executive Summary of Irvings Heritage District Street Tree Survey
WHAT?
A public street tree survey was conducted on Saturday, March 21, 2009 Data collected using peer-reviewed methodology developed by U.S. Forest Service
WHERE?
Area of study was 1 square mile and 4.6 linear miles of public streets/rights-of-way
Bounded by South Britain Rd, South OConnor Rd, Rock Island Rd, and Sixth Street
GOALS:1. Protect trees within the Irving Heritage District as it is redeveloped
2. Strengthen tree preservation provisions of the Heritage Crossing Design Guidelines
3. Demonstrate the value of our community forest resources
4. Identify strategies for long-term resource management
5. Establish an urban forestry program for the City of Irving
WHO?
Heritage District Neighborhood Association
Texas Forest Service
Irvings Green Advisory Committee
Project Description
Texas Master Naturalists
Arborilogical Services, Inc.
Tree Artistry Tree Services
50+ Volunteers
Local businesses
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653 street trees were identified with a total replacementvalue of$5.6 Million
Total Gross Annual Benefits for all trees across all benefit categories is $76,000
Size does matter - Post Oaks represent 29% of all street trees and provide50% of all benefits
Crapemyrtles represent 23% of street trees but provide 6% of the benefits
Street trees represent a canopy coverage of 34% of total street/sidewalk area
63% of all trees were evaluated are in Good condition and 23% are Fair
42% of the street trees have a caliper of 24 or more
2.5% of all street trees are of critical concern and represent a public safetyconcern while 3.6% of all street trees require immediate removal
Key Findings
Executive Summary of Irvings Heritage District Street Tree Survey
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DefineObjectives
Perform FullInventory
Perform SampleInventory
Draw RandomSample
Map Sample
Install i-Tree
PDA Utility
Configure PDA
Quality Check
Collect Data
Transfer Data toDesktop
Community Forest
Management Plan
OR OR
Interpret Results
Report Results
Define DataInputs
Import AccessDatabase to STRATUM
Start STRATUMProject
Install STRATUM
ChooseInventory Method
Format/Quality Check/
Convert Data to Access
Use ExistingInventory
STRATUM Process
Executive Summary of Irvings Heritage District Street Tree Survey
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DefinObjectiv
PerformInvento
PerformInvento
DrawSampl
Map
Install i-
(Desktop PDA
Configur PDA
Quality
Collect
Transfer DataDeskto
Community
Management
OR OR
Interpret
Report
DefineInput
Import
Database to
StartProjec
Install
ChoosInventory
FormaQuality
Convert Data to
UseInvento
Generating &
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Interpret
Report Results
ResourceStructure
Benefit Cost
CommunityManagement
Executive Summary of Irvings Heritage District Street Tree Survey
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Amend the Heritage Crossing Design Guidelines before adoptionto include following provisions:
4. Require developments to follow construction guidelines set by an arborist that areconducive to preserving relic and other mature trees
6. Require water permeable pavement within 6 feet of the drip line of relic and other maturetrees (note that interlocking and decorative pavement is already included in theguidelines)
8. Identify lots with Post and Blackjack Oaks that could be made into pocket parks inHeritage Crossing
Recommendation to Council
Executive Summary of Irvings Heritage District Street Tree Survey
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Create and/or maintain adequate structural complexity withinthe community forest resource
1. Plant and favor native, well adapted and long-lived species
2. Reduce over-reliance on too few species
3. Rejuvenate areas where even, old-aged stands exist
Increase and/or maintain the canopy coverage to maximize tree benefits
1. Selective removal and replacement of old and/or damaged trees
Recommendations to Management
Executive Summary of Irvings Heritage District Street Tree Survey
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Establish sustainable pruning and maintenance program toincrease tree health and thus benefits
1. Improve young tree care
2. Establish a pruning cycle wherein each tree is visited every 3-5 years
3. Set pruning priorities to improve management efficiency and effectiveness
Follow the four required steps to become a Tree City U.S.A.
1. Hire professional forester/arborist and/or establish an urban forestry board
2. Adopt a tree care ordinance
3. Establish community forestry program with an annual budget of $2 per capita
4. Develop an Arbor Day festival with proclamation
Executive Summary of Irvings Heritage District Street Tree Survey
Recommendations to Management
Establish a Formal Urban Forestry Program
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This tree began growing ca 1823
Historical Events of 1823:
3. Jan 3rd - Stephen F. Austinreceives a grant of land inTexas from the government ofMexico
5. May 10th - 1st steamboat tonavigate the Mississippi Riverarrives at Fort Snelling
7. Dec 2nd - President JamesMonroe declares his "MonroeDoctrine"
91 yrs old at the 1914Incorporation of Irving
185 yr old Post Oak inHeritage Park on Main Street
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Executive Summary of Irvings Heritage District Street Tree Survey
Questions?