Science of Arboriculture

Jeremy Barrell talks about legal implications for duty holders when a tree fails and causes harm. Learn about how the court could look at tree failures and how negligence and liability could be assigned.

Discover the diversity of over 900 eucalypt species by listening to Dean Nicolle’s talk on this episode of Science of Arboriculture. Dean Nicolle describes the cultivars, regeneration strategies, variety of uses, and economical importance of this dominant flora that is native to Australia but planted in landscapes across the world.

David Cashman divulges the depths of London’s soil by discussing the subterranean development and how it is related to city property and growth. Learn how engineers, designers, and arborists can work together to preserve trees in heavily disturbed construction sites.

Francesco Ferrini presents the results of a long-term project that investigates the impacts of mulch, compost, and fertilization on physical, chemical, and biological soil properties and resulting tree growth. Find out the most effective soil amendments and their potential to improve tree health and longevity.

In this month’s episode, Laura Mendiburu talks about the riveting results revealed by a comprehensive tree inventory conducted in Madrid, Spain. Learn how the inventory helped guide the strategic planning for tree care and maintenance in this European city.

How do porous pavements affect tree growth? Find out on this podcast as Dr. Justin Morgenroth shares the results of his experiment where he measured the impact of porous and impervious pavements on root abundance, soil moisture, aeration, pH, and nutrient availability around trees.

Do you know how long it takes on average to train a young tree? What about how much it costs? Learn from Dr. Gregory Moore and Cameron Ryder on how formative pruning can be an effective strategy in reducing long-term tree maintenance costs.

Want to catch-up on the most recent literature on tree risk assessment? Listen to this podcast to hear Nelda Matheny talk about her analysis of over 700 research papers focused on biomechanics, wind in trees, soils, wood decay, and other topics related to tree risk assessment.

Dr. Kim Coder, professor at the University of Georgia’s Warnell School of Forestry and Natural Resources in Athens, Georgia, United States, delves deep into the complex world of atoms, elements, and trees. He discusses the process for diagnosis of element deficiencies in trees, as well as the impact of different combinations of elements. Don’t miss this episode where you can learn more about the complex interactions of soil elements and trees!

Kelaine Vargas, studied ecology and landscape architecture and has pursued research in these fields as a Fulbright Scholar in Berlin and with the U.S. Forest Service. In this talk, she discusses the history of the Urban Forest Map Project as well as some of its applications and the partnerships that they have developed. Listen to this episode to learn about this exciting collaboration of government, non-profit organizations, and private companies to map trees in San Francisco. This presentation was given at the ISA 2011 Annual Conference in Australia.