Powerpoint- Everyone needs trees

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EVERYONE NEEDS TREES
Day 1
Trees… time to think!
 1. Draw a tree on the
space provide in your
guided notes (make it
extra pretty)
 2. Label as many parts
of the tree that you
know (not your
neighbor).
 3. Lets see how you did!
Above-ground biomass
Parts of a Tree
 Roots
 an anchor for the above-ground biomass
 absorbs water and nutrients from the soil
 Trunk
 main structure of a tree covered in bark
 supports the branches
 supported by and attached to the roots
 Branches
 woody structure
 connected to the central trunk of a tree
 Twigs
 small thin terminal branch
 Leaves:
 an above ground organ specialized for
photosynthesis
 usually flat and thin
1.
2.
3.
4.
5.
VOCAB:
Biomass
Structure
Woody
Terminal
Organ
Thinking back to our
opening exercise…
what are some
products that you
know come from
these parts of a tree?
Products Made from Trees
 fuel
 cosmetics
 lumber
 carpeting
 paper products
Can you think of any
 Soap
more? What part of
 sugar & syrup
the tree do you think
these products come
 Gum
from?
 Crayons
 suntan lotion
 Fruits
 furniture
 plywood
 cinnamon
 nuts
Products come from all parts of the tree
What
would
your
life
be
 Wood:
 Bark:
like without allofCinnamon
these
 Fuel
 lumber for houses products?
 Sap:
 Furniture
 Cosmetics
 Plywood
 Soap
 Cellulose is the major
component of wood
which makes paper and
paper products:
 Carpeting
 Suntan lotion
 Sugar & Spice
 Crayons
 Fruit, Leaves & Seed:
 Fruits
 Nuts
Value of Trees
What are some observations
you can make about this
landscape?
What are some observations
you can make to compare
this landscape from the last?
Benefits of Trees
 Social
 Communal
 Environmental
 Economic
Social Benefits
 Make life more pleasant
 Become personally attached
 Frequently planted as living memorials
 Resistance of residents to remove trees
 Feel peaceful, restful and secure around trees
 Trees foster safer, more sociable neighborhood
environments (Sullivan and Kuo, 1996).
 Trees absorb high-frequency noise which is the most
distressing for humans (Miller, 1997).
 Hospital patients that see trees need less medication
and have faster recovery times (Ulrich, 1985).
Communal Benefits
privacy
recreation
emphasize views
direct pedestrian traffic
reduce glare and reflection
provide background to and soften, complement or
enhance architecture
 cast shade in the evenings that encourages residents to
come out and enjoy walks and bike rides
 slows drivers as trees make them feel enclosed in the
tree tunnels
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Environmental Benefits
 Moderate climate
 moderate the effects of sun, wind and rain
 temperature in the vicinity of trees is cooler
 Improve air quality
 leaves filter the air by removing dust, smoke and particulates
 leaves absorb carbon dioxide and give off oxygen
 absorb air pollutants such as ozone, carbon monoxide and sulfur
dioxide
 Conserve water
 trees intercept water, store it and reduce storm runoff and flooding
 help keep water clean and drinkable
 tree roots can trap and filter out contaminants before entering the
water supply
 Harbor wildlife
 provide shelter and food for a variety of birds and small animals
Economic Benefits: Direct
 The savings in energy costs and
the increase in property value
directly benefit homeowners.
 Energy costs
 air-conditioning costs are lower in a
tree-shaded homes
 heating costs are reduced when a
home has a windbreak
 Increase in property value
 trees increase in value as they mature
 landscaped homes are more valuable
Value of Trees - Example
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