ISA Arborist Chapter 13 Complete Study set Questions with Elaborated Answers
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Course
ISA
Institution
ISA
ISA Arborist Chapter 13 Complete Study
set Questions with Elaborated Answers
Name five ways that trees can be adversely affected by construction. - CORRECT
ANSWER-root injury
soil compaction
injury to trunk or branches
grade change
excavation/severing root system
When soil is compacted, th...
isa arborist chapter 13 complete study set questio
name five ways that trees can be adversely affecte
when soil is compacted the betwee
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ISA Arborist Chapter 13 Complete Study
set Questions with Elaborated Answers
Name five ways that trees can be adversely affected by construction. - CORRECT
ANSWER-root injury
soil compaction
injury to trunk or branches
grade change
excavation/severing root system
When soil is compacted, the _______ _______ between soil particles is reduced. -
CORRECT ANSWER-pore space
The phases of land development are... - CORRECT ANSWER-site clearing and
demolition
rough grading
utility installation and grading
construction
final grading and landscape installation
If the soil grade on a construction site is _______, a large percentage of a tree's root
system might be removed. IF the grade is _______, the tree's roots might be suffocated.
- CORRECT ANSWER-lowered
raised
A technique used to reduce soil compaction around tees on a construction site is to
spread a temporary, thick layer of _______. - CORRECT ANSWER-mulch
True/False - The overriding objective of an arborist involved in a development project is
to save every tree on the site. - CORRECT ANSWER-false
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. - CORRECT ANSWER-true
An important action that should be taken at the start of a construction project is to erect
_______ around all of the trees that are to remain. - CORRECT ANSWER-
fences/barriers
True/False - The largest, most mature trees are not always the best candidates for
preservation. - CORRECT ANSWER-true
True/False - There is far more that an arborist can do to treat trees that have been
damaged by construction than to prevent the damage. - CORRECT ANSWER-false
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