Agenda Package - City of Vernon

4-
standards for tree management (selection, planting, and maintenance), long and
short{erm management plans, tree replacement policies, tree inventory, lntegrated
Pest Management (lPM), heritage, memorial and commemorative trees.
2. Value of Urban Trees
The value of trees to the community as a whole is outlined in the Kelowna's Urban
Forest: Urban Forest Effect (UFORE) Analysis report of October 2007. The
following economic benefits have been modeled and demonstrated:
The results of 150 randomly located plots, assessed by a ground crew to characterize the structure of
Kelowna's urban
ummer
Feature
Measure
Major tree species, by 7o canopy cover DouglasJir (33%)
Ponderosa pine (24%)
. Apple (19%)
Estimated number of trees in Kelowna
Total replacement value of Kelowna's known
trees
Total carbon stored in Kelowna's trees
Carbon sequestered annually by Kelowna's
urban forest
Susceptibility to exotic and native pests
(% susceptible host by leaf area)
Pollution removed annually by urban forest and
value of removal
Volatile Organic Compounds (VOC's) produced
annuallv bv trees
Ozone index score"
Average vegetation cover, plantable space and
impervious sudaces
. Other e4%)
3.3 million
$ 1.1 billion
126.900 metric tonnes
7,500 metric tonnes
Asian longhorned beetle (34%)
Pine beetle (24%)
Gypsy moth (23%)
. Dutch elm disease (a%)
. Emerald ash borer (1.6%)
195 tonnes ($ 1 .1 million)
43 tonnes
$ 19.3 million / 1,800 tonnes carbon
. Trees - 12.8%
. Shrubs -9j%
. Grass - 42.3 %
. Plantable Space - 27.3%
o Buildinos. imoervious - 12o/o
all snecies have the maximum effect on
*A perfect score of 100 represents forest composition where all species
reducing ozone (lowest possible VOC emissions).
The value of trees to property values, both residentÍal and commercial, is outlined
in the UFORE Analysis report of Octobet 2OOT as follows:
of Research on )rice lncreases Due to Trees and Landscaping
Price lncrease Gondition
2% Sinqle mature vard tree (>9" diameter)
3-5% Trees in front vard landscaping
4.9% Multi{amilv unit with view of forested open spaces
7"/" Rental rates for properties with quality landscaping
8% House with a park view
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