Sharon Lilly, Director of Educational Goods and Services at the International Society of Arboriculture, is a past president of ISA and former chair of the ISA Certification Board. She has more than 25 years experience in the commercial sector as a climber and tree […]
Since founding Terra Erosion Control Ltd. in 1996, Pierre Raymond has focused on soil bioengineering, biotechnical slope stabilization, using native deciduous trees and shrubs often combined with conventional engineered structures or erosion control on steep slopes, , and riparian habitat restoration. His expertise has […]
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 presented […]