Arborist Training
Mark you calendars and plan to attend! Register today. 2026 Arborist Chainsaw Training
ISA Certified Tree Climber
Attention all hotshot tree climbers! This certification is for climbers with 18 months experience or more. There are a lot of unknowns associated with the CTC process but each ISA Chapter is required to promote this certification and offer this exam. We intend to comply. We are confident that with your cooperation and contribution we will soon have …
Volunteer at the ISA 2025 NATCC!
Call For Volunteers #NATCC2025 Texas, USA | 21-23 March 2025 Volunteers Needed Join us in New Braunfels, Texas, USA for the ISA 2025 NATCC The International Society of Arboriculture (ISA) is excited to announce that the North American Tree Climbing Championship (NATCC) is coming to the heart of Texas! Mark your calendars for March 21-23, 2025, as New Braunfels, TX, gets …
Iowa Big Tree Report: January-June 2024
SUBMITTED BY MARK ROUW, IOWA BIG TREE FIELD REPRESENTATIVE I had some medical issues during this six months of tree measuring, but despite the setbacks, I was able to make good use of the time I had, and some significant trees were documented. January 5th I can’t say the first tree I measured in 2024 was a new find. In …
Outgoing President’s Message 2025 – Bill Reese
Well, we are into a new year. This time of year it seems we all reflect back to review our past and analyze what our future might be and it is amazing how we have evolved. With our IAA elections coming up I have taken a look at what my part has been in the past years with the Iowa …
Book Review: Arboricultural Practices – A Science-Based Approach
Arboricultural Practices A Science-Based Approach, by Lindsey Purcell Soft cover, 362 pages. Available now at www.lpconsultinggroup.org As readers of TCI Magazine, we should all recognize the name Lindsey Purcell. Among the many articles he has authored in this magazine, his book first came to light when an excerpt entitled “Planting Protocols for Challenging Urban Sites” was published in the November 2023 …
Mark Rouw Iowa BIG Tree: Report Jul-Dec 2023
IOWA BIG TREE REPORT FOR JULY THROUGH DECEMBER OF 2023 BY MARK ROUW, IOWA BIG TREE FIELD REPRESENTATIVE, February 20, 2024 This will be a shorter report than the previous ones since I was unable to get out to do tree work until quite late in the year. Despite fewer measured trees there were some significant trees found and …
Mark Rouw BIG Tree: Updated Report Jan-Jun 2023
Iowa Big Tree Report for January Through June of 2023 Submitted By Mark Rouw, Iowa Big Tree Field Representative Although several different species of trees were measured, I would describe the first half of 2023 as the half- year of the cottonwoods. I don’t remember ever measuring so many cottonwoods over such a short time! January 2nd For many years …
Mark Rouw BIG Tree: Updated Report
Iowa Big Tree Report for July Through December of 2022 Submitted By Mark Rouw, Iowa Big Tree Field Representative The second half of 2022 may not have been as productive as the first half of the year, but there were some significant finds which are described in this report. I’m hoping this account will not be as detailed and time …
TREE Press February 2023
If in doubt, take a smaller piece By Dr. Brian Kane, ISA Certified Arborist Massachusetts Arborists Association Professor University of Massachusetts- Amherst Rigging is one of the most hazardous tasks a climbing arborist does. It involves working aloft, cutting with a chainsaw, and large pieces of wood moving rapidly—sometimes, very close to the arborist. To avoid injuries and property damage, …