ISA Arborist Chapter 13 (2024/2025) 100% Pass

ISA Arborist Chapter 13 (2024/2025) 100% Pass Name five ways that trees can be adversely affected by construction. - 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. - Answer ️️ - pore space The phases of land development are... - 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. - Answer ️️ - lowered raised A technique used to reduce soil compaction around tees on a construction site is to spread a temporary, thick layer of _______. - Answer ️️ -mulch True/False - The overriding objective of an arborist involved in a development project is to save every tree on the site. - 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. - 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. - Answer ️️ -fences/barriers True/False - The largest, most mature trees are not always the best candidates for preservation. - 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. - Answer ️️ -false