Jim Clark explains the Tree Risk Assessment Form in the field.
November 20-22, 2009
Friday, November 20th
Location: BP International House Scouts Center – Kowloon
Morning
Tree Assessment & Tree Preservation of Mature Trees with Nelda Matheny & James R. Clark
• What is Risk and How Do We Manage It?
• How to Work with the Uncertainty of Risk Assessment.
• Realistic Expectations in Objective Tree Assessment.
• Preparing Specifications for Tree Preservation.
• Identify Trees Suitable for Preservation.
Afternoon
• Hong Kong Tree Care Management; History and Challenges for Arboriculture Development (Lawrence Chau)
• Management Techniques of Veteran Trees – Francesco Ferrini
• Tree Risk Assessment and Management in Hong Kong – Ken So
• Assessing Wind Loads Acting On Solitary Trees – Andreas Detter
• Temperate Experience / Tropical Experience – The Interrelationship – William Fountain
• Recent Experience in Tree Assessment & Real Work in Hong Kong – Don Picker
Attendees of the IASHK 2009 Conference
Saturday, November 21st
Location: Suen Douh Camp – Fanling, NT
Lecture and Workshop Topics included: (attendees were split into groups and each group attended all of these topics in turn.)
- Tree Hazard Risk Assessment using the method they developed in the book, A Photographic Guide to the Evaluation of Hazard Trees in Urban Areas (4 hours, Lecture & Field Training with Nelda Matheny and James R. Clark)
- Tree Crown Support with Modern Synthetic Systems (2 hours, Lecture & Field Training with Andreas Detter)
- Pollarding Methods, the History and Present Practice (30 minutes, Lecture with Francesco Ferrini)
- Resistograph for Measuring Wood Density; and Introduction Frank Rinn (1 hour)
- European and American perspectives on ISA global development (30 minutes, William Fountain, Francesco Ferrini and Frank Rinn)
Andreas Detter trains in tree biomechanics and the elasto-inclino method.
Sunday, November 22nd
Location: Suen Douh Camp – Fanling, NT
Tree Statics and the Pulling Tests Method with Andreas Detter– with new devices and evaluation software.
Frank Rinn of Rinntech – The Resistograph for tree investigation.
![[Frank Rinn demonstrates sonic tomography.]](http://ias.hk/wp-content/uploads/2016/03/CIMG0080.jpg)
[Frank Rinn demonstrates sonic tomography.]
Keynote Speakers
Nelda Matheny
Nelda is coauthor of five books including A Photographic Guide to the Evaluation of Hazard Trees in Urban Areas (2nd Ed., 1992, International Society of Arboriculture), and Arboriculture: Integrated Management of Landscape Trees, Shrubs and Vines (4th Ed., 2004, Prentice Hall). She has published many technical articles in Arboriculture & Urban Forestry (formerly, Journal of Arboriculture), Arborist News, Tree Care Industry, and she has presented lectures and training programs arboriculture, horticulture and urban forestry throughout the U.S., Canada Europe and Australia.
Nelda is a Board Certified Master Arborist (WE-0195B) and Registered Consulting Arborist (#243). She has received the Alex Shigo Award for Arboricultural Education, Author’s Citation and Award of Merit from the International Society of Arboriculture, the Award of Merit from the ISA United Kingdom & Ireland Chapter and the Western Chapter; as well as the President’s Award and the Research Award from the Western Chapter ISA.
James R. Clark
Jim is coauthor of four books including A Photographic Guide to the Evaluation of Hazard Trees in Urban Areas (2nd Ed., 1992, International Society of Arboriculture), and Arboriculture: Integrated Management of Landscape Trees, Shrubs and Vines (4th Ed., 2004, Prentice Hall). He has published over 30 articles in referred journals including Arboriculture & Urban Forestry (formerly, Journal of Arboriculture), Journal of the American Society of Horticultural Science, HortScience, Arboricultural Journal and Journal of Environmental Horticulture, and has presented lectures in arboriculture and urban forestry throughout the U.S., Canada, Brazil, Europe and Australia.
Jim received the Alex Shigo Award for Arboricultural Education and the Author’s Citation from the International Society of Arboriculture, the Award of Merit from the ISA United Kingdom & Ireland Chapter, Pacific Northwest Chapter, and the Western Chapter; President’s Award from the Pacific Northwest Chapter and the Western Chapter, Research Award and Award of Achievement from the Western Chapter.