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ESTABLISHED TREES WATERING
WORKING GROUP
Reconsidering Watering Practices in Times of Water Insecurity and Climate Change
Do you water established trees? They can lose stability because of wrong watering practices. The devil is called
shallow rooting, caused by a small amount of water with high frequency! Typically when the turfs are irrigated by sprinklers.
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Reconsidering Watering Practices in Times of Water Insecurity and Climate Change
PLEASE USE RECOMMENDED CITATION:
Nielson Lynsey, Tuser Martin: Reconsidering Watering Practices in Times of Water Insecurity and Climate Change. Conference presentation, The ISA Annual Conference 2024. https://www.treeib.com/isa-atl
Join us in exploring the problem of shallow rooting and how watering trees can bring good!
We want to build further on our findings to add innovations and improvements to tree care.
Join us on our journey! Please register and provide relevant information. We will then contact you soon.
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Please share and start a discussion about improving watering practices with your colleagues, friends, and teachers.
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Suggest a research project or establish a pilot project.
Suggest to your customers or city to consider watering as an option to make trees thrive.
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Addional resources
Water movement in the soil VIDEO
Baibay Amelia, Machiels Yves: A video inspired by Gardner W.H and Hsieh J.C., Water Movement in Soils (vidéo), Washington State University, 1959.
Rhizomorph: The Coordinated Function of Shoots and Roots (SIGGRAPH 2023) VIDEO
Li, Bosheng, Klein, Jonathan, Michels Dominik L., Benes Bedrich, Sören Pirk, Pałubicki, Wojtek. Rhizomorph: The Coordinated Function of Shoots and Roots. Association for Computing Machinery. August 2023. ISSN 0730-0301. Doi 10.1145/3592145.
Project Page:https://storage.googleapis.com/pirk.io/projects/rhizomorph/index.html
How long do roots live?
80% die up to 400 days
Huo, C., and Cheng, W.. 2019. Improved root turnover assessment using field scanning rhizotrons with branch order analysis. Ecosphere 10( 8):e02793. 10.1002/ecs2.2793
Ideal watering zone for mature trees
How deep do fine roots grow?
The highest density of tree fine roots is in the first 20 cm /8 inches of topsoil due to easy access to water, oxygen, and nutrients.
Meinen, Catharina & Leuschner, Christoph & Ryan, Nicholas & Hertel, Dietrich. (2009). No evidence of spatial root system segregation and elevated fine root biomass in multi-species temperate broad-leaved forests. Trees. 23. 10.1007/s00468-009-0336-x.
WE CAN BE BETTER
REWIND THE AA WEBINAR
Other great resources
Reshaping Arboriculture in Times of Climate Change
Download the presentation by Martin Tušer and Prof. William Moomaw from the Annual ISA Conference in Abuquerque.
An interesting insight of what is going on in planting activities which are now taking place are opinions of a person, who stands at the beginning of tree planting all over the world: Prof. Dr. Thomas Crowther. Now he admits, although he and his team never intended, the communication mistakes of their work from 2016 resulted damages, because planting trees became a simple solution to beat the climate change. I recommend listening to the TED video from 2020
A follow up podcast of Prof. Dr. Thomas Crowther from 2021 on the same topic.
How the planting initiatives started
A series od podcasts from Scientists Warning Europe. It gives an overview of the needs today in combating climate change. Expertly and professionally done podcasts by the world’s top scientists
