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23 Cards in this Set

  • Front
  • Back
Name five ways that trees can be adversely affected by construction
a. root injury
b. soil compaction
c. injury to trunk or branches
d. grade change
e. excavation/ severing root system
When soil is compacted, the (blank) (blank) between soil particles is reduced.
pore space
the phases of land development are
a. site clearing and demolition
b. rough grading
c. utility installation and grading
d. construction
e. final grading and landscape installation
if the soil grade on a construction site is (blank), a large percentage of a tree's root system might be removed. if the grade is (blank), the trees roots might be suffocated.
Lowered, raised
a technique used to reduce soil compaction around trees on a construction site is to spread temporary, thick layer of (blank)
True/ False-- The overriding objective of an arborist involved in development project is to save every tree on the site.
True/ False-- It is better to tunnel directly under a tree than to cut directly across the root system of a tree when excavating for utility lines
An important action that should be taken at the start of a construction project is to erect (blank) around all of the trees that are to remain.
fences/ Barriers
True/ False-- The largest, most mature trees are not always the best candidates for preservation.
True/ False-- There is far more that an arborist can do to treat trees that have been damaged by construction that to prevent the damage.
True/ False-- Evaluating suitability of individual trees or stands for preservation is one of the most important tasks for the arborist.
Written (blank) should detail exactly what can and cannot be done to and around the trees.
use of an (blank)(blank) has proven effective for soil aeration and radial trenching, causing much less root injury than mechanical excavation equipment.
aer excavator
the (blank)(blank)(blank) is the area around the tree or groups of trees in which no grading, excavation, or construction activity is to occur.
tree protection zone
sometimes the single (blank)(blank) established to limit traffic on the site can later serve as the route for utility wires, water lines, the driveway, or other paved surfaces.
access route
write a sample set of specifications to preserve trees on a construction site. include specifications for protecting trees before during construction, as well as maintenance instructions to help preserve the health and vitality of trees.
fill in the blank
what actions can be taken if a tree is damaged by construction in violation of the written specifications?
fill in the blank
why may tree death and decline due to construction occur several years after construction is complete? what are some of the signs and symptoms of construction damage that an arborist can look for following construction?
fill in the blank
When soils are compacted by construction equipment, trees usually decline because
a. oxygen availability
b. the ability of the roots to absorb water and minerals decreases
c. root growth and expansion may be diminished
d. all of the above
d. all of the above
arborists should be involved early in the construction planning process because:
a. tree preservation measures should be in the specifications
b. once construction has begun, it may be too late to save the trees
c. There is often little arborists can do to treat construction damage
d. all of the above
d. all of the above
A measure that can be taken to minimize compaction on a construction site is:
a. watering the site thoroughly before equipment is brought in
b. permanently raising the soil grade to protect tree roots
c. spreading a temporary, thick layer of mulch over the site
d. root pruning the trees in advance
c. spreading a temporary, thick layer of mulch over the site
If a significant portion of a trees root system has been removed during building construction, a step that will help preserve the tree is:
a. pruning one-third of the crown to compensate for root loss
b. a surface application of a high rate of soluble nitrogen
c. construction of a tree well
d. none of the above
d. none of the above
Digging or air-excavating trenches in a wheel-spoke pattern and backfilling with organic matter or a more porous soil is called:
a. radial aeration
b. tunnel aeration
c. soil fracturing
d. vertical radiation
a. radial aeration