Search for Oregon's Tallest Trees: Ongoing project partnered with DOGAMI and the aid of LiDAR

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Brian French and Will Koomjian love to climb trees. They do it professionally, recreationally and in service to science. Their group “Ascending the Giants” started up about 10 years ago with a mission to scale and document Oregon’s tallest, oldest and biggest trees.


Review of rope-based access methods for the forest canopy: safe and unsafe practices in published information sources and a summary of current methods

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Summary

  1. The availability of reliable information on tree climbing methods is critical for the development of canopy science and for the safety of workers accessing the forest canopy.
  2. To assess the breadth and quality of information contained in published climbing information, we performed searches in Web of Science and Google Scholar and evaluated 54 published sources on 10 predetermined criteria related to safety.
  3. We found a high incidence of unsafe recommendations that, if followed, could result in serious injury or death. Common errors included recommendations for equipment not suitable for tree climbing, advocating methods suitable for rock climbing but that can result in falls and trauma in tree climbing, and outdated information that no longer reflects best practices.
  4. We conclude by providing safety recommendations and a short review of tree climbing methods. This article thus serves as a guide for finding and interpreting best sources of methods for canopy access.