Heritage District Tree Survey

8/14/2019 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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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



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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



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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



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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



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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



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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


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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Heritage District Tree Survey

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