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Davey Bulletin November-December 2021

The Davey Tree Expert Company provides residential and commercial tree service and landscape service throughout North America. Read our Flipbooks for helpful tips and information on proper tree and lawn care.

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28 THE DAVEY BULLETIN | November/December 2021 EXPERTISE SAVING LIVES WITH URBAN TREE COVER Dr. Satoshi Hirabayashi, environmental modeler for the Davey Institute, co-authored a peer-reviewed paper titled, "Modeling lives saved from extreme heat by urban tree cover." The research, conducted over three years, focuses on two important areas: how many lives can be saved and lost due to temperature changes and how temperatures can be reduced from tree canopy cover. The paper studied Baltimore, Maryland's temperatures during warm seasons compared to annual premature mortality from extreme heat. The findings will be incorporated into i-Tree Landscape for consumer use. This paper covers the first trial of research on this topic, and a second paper will be published soon that applies this research and i-Tree technology to 10 U.S. cities. "The overall goal of the paper is to bridge the gap between separate stories: how many people can die or be saved because of temperature change, and how much temperatures can be reduced or affected because of the existence of trees," said Hirabayashi. "We need to somehow change people's mindset towards trees." To view the paper, go to www.nrs.fs.fed.us/pubs/62532. TREE MOVED INDOORS FOR GIE+ EXPO A green ash tree 45 feet tall took up temporary residency inside Louisville, Kentucky's Freedom Hall for the GIE+Expo. The tree served as a classroom of sorts, hosting the Women's Tree Climbing Workshop during the three-day conference. Davey employees Alex Julius, Emmett Shutts and Matt Salvator oversaw the removal of the tree from nearby Cave Hill Cemetery, from where it was transported by truck to the hall and erected inside the expo. Herb Landmann, project manager, National Business Development Team, said the indoor climbing tree installation offers a unique opportunity to expose other green industry professionals attending the expo to arboriculture. "Projects like this are important because we are able to recycle a tree and use it to help educate other tree care professionals," he said. Davey oversaw installation of this green ash tree for climbing instruction at the GIE+Expo in late October.

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