![Publications & Research Papers](/features/2400/rotator_image/main/publications_2.png)
Dr. Alex L. Shigo authored and co-authored over 300 scientific and technology transfer publications. View some of them online.Read More
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![Meet a Leading Voice in Modern Arboriculture](/features/2253/rotator_image/main/feature-shigo.png)
Dr. Alex Shigo’s study of tree biology led to a broadened understanding of compartmentalization of decay in trees.Read More
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![View Dr. Shigo's Wood Samples in 3d](/features/2252/rotator_image/main/3d-images-collage2.png)
We've photographed all of Dr. Shigo's wood samples and placed them online for you to rotate, zoom and view in detail.Read More
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Dr. Shigo's study of tree biology and ideas eventually led to many changes and additions to commercial tree care practices and the now accepted way to prune a tree. This site, sponsored by The Davey Tree Company, Southern Chapter of International Society of Arboriculture and the USDA Forest Service is a collection of his photos, wood samples and publications.
More About the Shigo Collection![](/siteflow_shigo/images/site-logo.jpg)
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