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ISA Arborist Chapter 13 Question and answers already passed 2023
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ISA Arborist Chapter 13
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ISA Arborist Chapter 13Name 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
True/False - Evaluating suitability of individual trees or stands for preservation is one of
the most important tasks for the arborist. - correct answer true
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