Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Overview of the Virginia Big Tree Program

Overview of the Virginia Big Tree Program

Webinar presentation for the Virginia Association of Adult 4-H Volunteer Leader's Conference. March 20, 2021.

8ad198c00b09abbe4c4e31c0e7d361dc?s=128

Eric Wiseman

March 20, 2021
Tweet

Transcript

  1. OVERVIEW OF THE VIRGINIA BIG TREE PROGRAM VA Assoc. of

    Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar P. Eric Wiseman, Ph.D. Associate Professor of Urban Forestry Dept. of Forest Resources and Environmental Conservation Virginia Tech arborist@vt.edu @vtarborist urbanforestry.frec.vt.edu 1  25 Chesapeake City 116’ 54’ 206” 336 pts. Nyssa biflora**
  2. PRESENTATION OUTLINE o Mission and history of the Virginia Big

    Tree Program o Quick tour of the Virginia Big Tree Register o Measuring and scoring big trees o Reporting big trees o Hunting big trees 2  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar Chesapeake City 100’ 83’’ 390” 511 pts. Liriodendron tulipifera**
  3. MISSION STATEMENT OF THE VIRGINIA BIG TREE PROGRAM To promote

    the care and appreciation of trees – big and small Document the largest specimens in the state and provide resources to aid in their protection and care Maclura pomifera** Charlotte Co. 65’ 93’ 328” 416 pts. Photo credit: A. Cassell 3  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  4. HISTORY OF THE VIRGINIA BIG TREE PROGRAM 4  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  5. HISTORY OF THE VIRGINIA BIG TREE PROGRAM 5  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  6. HISTORY OF THE VIRGINIA BIG TREE PROGRAM 6  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  7. Big Tree Interns Big Tree Volunteers Quercus laurifolia** Chesapeake City

    86’ 89’ 317” 425 pts. LIFE BLOOD OF THE VIRGINIA BIG TREE PROGRAM 7  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  8. TOUR OF THE VIRGINIA BIG TREE REGISTER 8  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  9. TOUR OF THE VIRGINIA BIG TREE REGISTER 9  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  10. TOUR OF THE VIRGINIA BIG TREE REGISTER 10  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  11. Aesculus flava** Alleghany Co. 81’ 56’ 295” 390 pts. o

    Register comprises a searchable online database plus an historical record archive o Currently 1,539 living specimens across 474 species are curated in the register o Currently curate the top-three* specimens of any native or non-native tree species (and verifiable sub-species and varieties) o Minimum eligible tree size: ≥ 13’ height and ≥ 9.5” trunk circumference TOUR OF THE VIRGINIA BIG TREE REGISTER 11  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  12. o 116 counties and independent cities have 1 or more

    big trees in the register o Trees must be re-certified every ten years to remain active in the register o Only 115 living trees are outdated at this time (last certified prior to 2011) *not all trees shown due to privacy policy TOUR OF THE VIRGINIA BIG TREE REGISTER 12  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  13. o 101 national champions and co-champions reside in Virginia as

    of 2020 records o 2nd place nationally (Florida #1) o Measurement and scoring overseen by the National Cadre of Tree Measurers *not all trees shown due to privacy policy TOUR OF THE VIRGINIA BIG TREE REGISTER 13  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  14. MEASURING AND SCORING BIG TREES 14  25 VA Assoc.

    of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  15. www.americanforests.org/get-involved/ americas-biggest-trees/nominate-a-tree MEASURING AND SCORING BIG TREES Maclura pomifera** Charlotte

    Co. 65’ 93’ 328” 416 pts. 15  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  16. MEASURING AND SCORING BIG TREES 16  25 VA Assoc.

    of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar Trunk Circumference Composite circumference measurement on multi-trunk form when it is atypical for the species
  17. Tree Height MEASURING AND SCORING BIG TREES 17  25

    VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar The tree height equals your horizontal distance (HD) from the tree plus your height (HT).
  18. MEASURING AND SCORING BIG TREES 18  25 VA Assoc.

    of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar 45° 5’ 75’ 85’ 90’ 80’ Tree Height
  19. MEASURING AND SCORING BIG TREES 19  25 VA Assoc.

    of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar Average Crown Spread
  20. o Is it an eligible tree? ≥13’ height and ≥9.5”

    trunk circumference o Measure trunk circumference at 4.5’ above ground line*: ____(inches) o Measure tree height from ground line to highest branch: ____(feet) o Measure average crown spread (1st max. ⊥ 2nd max.): ____(feet) Measurements Circumference (1 point per inch) + Height (1 point per foot) + Crown spread (¼ point per foot) Big Tree Score Total 150 100 80 150 points 100 points 20 points 270 points MEASURING AND SCORING BIG TREES Score Calculation 20  25 (90, 70) VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  21. NOMINATING AND REPORTING BIG TREES 21  25 VA Assoc.

    of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  22. NOMINATING AND REPORTING BIG TREES 22  25 VA Assoc.

    of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar
  23. HUNTING BIG TREES 23  25 VA Assoc. of Adult

    4-H Volunteer Leader’s Conference  March 20, 2021  Webinar WHERE TO LOOK FOR BIG TREES • Parks • Golf Courses • Cemeteries • Campuses • Nature Preserves • Estates
  24. HUNTING BIG TREES 24  25 VA Assoc. of Adult

    4-H Volunteer Leader’s Conference  March 20, 2021  Webinar WHAT TO TAKE WITH YOU o Existing information about the property and the tree o Reel tape o Pin flags o Plumb bob o Yard stick, clinometer, or laser hypsometer o GPS unit and camera
  25. o Virginia has a vibrant history of big trees from

    the Chesapeake Bay to the Cumberland Gap o The Virginia Big Tree Program aims to document the state’s largest trees and educate the public about their conservation o There is a network of dedicated staff and volunteers who can help you locate, measure, and report big trees o Spread the word about these Arboreal Giants - maybe there is one in your neck of the woods Smyth Co. 69’ 47’ 113” 194 pts. Amelanchier laevis** TAKE HOME MESSAGES 25  25 VA Assoc. of Adult 4-H Volunteer Leader’s Conference  March 20, 2021  Webinar