Tree Study A Catalyst for Stewardship
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Transcript of Tree Study A Catalyst for Stewardship
Tree Study:A Catalyst for Stewardship
Virginia Association of Science Teachers
Mary Van Dykeand
Luzdary Chamorro
2013
Our Story
Introduction
• History• Site, Goals, and Logistics• Day 1 – Build Relationships• Day 2 – Our Tree• Day 3 – Trees in the Ecosystem• Stewardship and STEM Extensions • Resources: http://goo.gl/GuX5f
History
• Jeff Kirwan• Project Learning Tree• i-Tree
Gunston Middle School
Why?• Reinforces
curriculum
• Uses technology
• Problem-based
learning
• Project-based
learning
• Social perspective
• Value, risks, benefits
• Multi-disciplinary
• Tree biology
• Ecology
• Economics
• Classification
• Quantitative skills
• Stewardship
Goals for Tree Study
• Engage students in qualitative and quantitative observations• Catalyze design process and stewardship
Trees Give Us Many Things
By Rudy Wendelin, Courtesy of US Forest Service
Community Partners
LogisticsCosts and Materials Minimal Investment• Tree ID books• Tapes• Cameras• Computers
Class Time• 3 Sessions
for Initial Study
When• Late March to October
Tools
Risk and Plan B
Accessibility
Language
Day 1- Build Relationships
• Introduce Community Partners
• My Favorite Tree
• Goods From the Woods
• Tree Biology
My Favorite Tree
Goods from the Woods
Tree Functions
How Does a Tree Work?
Every Log Tells a Story…
Ecosystems
Day 2 – Our Tree• Choose and identify a Tree
• Tree Health Assessment
• Use i-Tree Designhttp://www.itreetools.org/design.php
• Monetize the Tree’sEcosystem Services
Tree Benefitso Stormwater Runoff Reduction
o Energy Consumption
o Air Quality
o CO2 Sequestration
o Wildlife Habitat Value
o Social Value
o Property Value
o Timber Value
$$ Tree Benefits
Trees at Gunston Middle School2700 S Lang Street Arlington 22207
Tree Benefits calculated using i-Tree Design Team: Gunston Middle School 6th GradeDate: September 2013
Tree # Species
Circumference at Breast Height, inches
ConditionExcellent, Good, Fair, Poor , Dead or Dying
$$ Overall Annual Benefit calculated byi-Tree Design
1Cherry Tree, Kwanzaan 34 Poor $7.80
2Loblolly Pine on bank 64 Good $61.30
3White Pine on median 49 Excellent $37.44
4 Oak #1 73 Fair $74.29
Comparisons
Cherry, Kwanzan
Cherry, Kwanzan
Pine, Eastern White
Pine, Eastern White
Condition Poor Excellent Excellent Excellent
Circumference 34” 34” 34” 49”
Diameter 10.8” 10.8” 10.8” 15.6”
Total Benefits $ 7.80 $ 13.12 $ 18.55 $ 37.44
Stormwater Intercepted
525 gallons 807 gallons 1232 gallons 2582 gallons
CO2 reduction 115 pounds 230 pounds 213 pounds 399 pounds
Day 3 – Ecosystems
• Appreciation• Design• Stewardship
Day 3 - APS GreenScene Video
http://bcove.me/knbdlll8
Stewardship
STEM Extensions
Animation of tree growth
Earth Force/Caring For Our Watersheds - Process
MAP
BUILD CommunityFunding, Outreach and Media
PULL Invasives
PROPOSE a NO IVY DAY
PLANT for Pollinators
PICK UP Litter
MAKE Tree Tags
The BIG Picture
Resources: http://goo.gl/GuX5fIncludes Gunston Middle School Project: Planning Documents and Spanish/English Worksheets http://goo.gl/qNsr5a
Thanks!• Arlington Public Schools
• Gunston Middle School• Virginia Cooperative Extension
• 4-H• Master Gardeners• Arlington Regional Master Naturalists• Tree Stewards Arlington Alexandria
• Arlington County• Casey Trees• Earth Force