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THE STRENGTH OF OUR URBAN TREES
DIRT BUSTERS - Trees help
to settle out, trap and hold
pollutants including dust,
ash, pollen and smoke, that
can damage human lungs.
HEALING POWERS - Studies
show that post-operative
hospital stays are shortened
when patients are placed in
rooms with a view of trees
and open spaces.
BREATHE EASY - An acre of
trees produces enough
oxygen for 18 people every
day. In a year it absorbs
carbon dioxide equal to the
amount produced by driving
your car 42,000 miles.
WARMTH - Trees provide a
wind break from cold winter
winds. A conifer on the northwest
side of your home can
cut heating bills by $75 a
year.
COOLING - Air conditioning
costs are about 40% lower
in homes shaded by trees.
Pavement in the full sun is
19 celsius degrees hotter
than tree-shaded pavement.
GIMME SHELTER - Trees
help create local ecosystems
that provide habitat
and food for birds and
animals. They offer suitable
mini-climates for other
plants that could otherwise
be absent from urban areas.
POISON CONTROL -
Sulphur dioxide, nitrous
oxide and ozone are absorbed
by the stomata in leaves and
dissolved in the leaf tissue.
CLEANER WATER - Trees
intercept rainwater,either reevaporating
it or slowing
down storm runoff, thus
reducing sewer costs and
stream erosion.
DOLLARS - A single tree can
add 9% to the value of your
home. Some studies say that
well-treed properties
increase 20% in value.
LESS STRESS - Trees cut
noise pollution, reduce glare
and benefit the human spirit.
Just looking at trees can
make you feel calm and
relaxed.
TREE MAINTENANCE STILL IN BUDGET LIMBO
Although the city of Hamilton
currently has a backlog
of 6900 outstanding complaints,
councillors have
again postponed a decision
on whether to improve the
city’s tree maintenance program.
The current policy calls for
tree trimming to take place
at least once every twelve
years, and only applies to the
68,000 city-owned trees in
the old city of Hamilton.
The accepted standard for
tree maintenance is a minimum
five-year cycle, with
high use areas such as parks
recommended for maintenance
on a one to three-year
cycle.
City staffer Bryan Shynal
told councillors in late February
that it will take “roughly a million dollars to
clear the backlog and bring
us back to a 12-year cycle”.
Shynal noted that at
present “we have no preventive
trimming program for
any of the trees in our parks
system”. This may explain
why a tree inventory last
summer found that 55% of
the 150 trees in Victoria Park
are in “very poor condition”.
East Hamilton councillor
Chad Collins said “I probably
get more calls on this than
any other issue now”. Stoney
Creek representative Maria
Pearson said she is also “getting
numerous complaints
that trees are not being well
maintained” and noted that
trees in her ward were now
getting well-established so
it was important to include
Stoney Creek in any new plan.
But the cost remains the
sticking point. Mayor Di Ianni
concluded that he didn’t
know where the money might
be found but “I don’t think
the [tax] levy is how we fund
it”.
Staff are proposing a $6.8
million five-year maintenance
cycle for all 300,000
city-owned trees in the urban
area of the new city.
To make the program easier
for budget-weary councillors,
options were presented for a
two-year or a five-year
phase-in. The latter would
cost $1.4 million in 2005 and
rise gradually to the $6.8
million a year level.
There’s also a proposal for
a less expensive seven-year
cycle, but Shynal warned that
would likely mean that Hamilton
hydro will continue to
do its own trimming on its
own schedule. Hydro ended
their cooperative arrangements
with the city last year
in order to move to a five year
cycle “so we have two
tree trimming services in the
city at the same time.”
Shynal suggested that
might not be the best thing
for trees. “Hydro’s interest
is really in minimizing outages,”
he warned, “and that
may not necessarily be in
alignment with making the
best pruning choices for the
tree.”
Most councillors didn’t
commit themselves in the
lengthy budget discussion,
and they eventually postponed
a decision until they
get more precise information
on liability issues.
Article condensed from CATCH
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