How far a limb flexes with or without leaves can be of great concern when those limbs overhang powerlines. Does an early snow or ice storm pose a more serious threat if it hits before a tree drops its leaves and enters its dormant stage? Gregory Dahle, Aaron Carpenter, David DeVallance, and Mo Zhou investigate. (A, U, Bs)
ISA's scientific journal Arboriculture & Urban Forestry (AUF) helps disseminate new research findings about the management of trees in urban environments. This quiz highlights an article from an issue of AUF with the objective of bridging the gap between scientific research and practical application. Learn about the latest arboricultural research happening around the world while also earning your CEUs.
CEUs for this quiz may be earned only once during the life of your certification.