Richard Harris, Professor Emeritus,
Department of Environmental Horticulture
UC Davis

Martha Ozonoff, Director
California ReLeaf

David Burger, Professor
Department of Environmental Horticulture
UC Davis

Robert Crudup, Vice President
Valley Crest Tree Company

Barrie D. Coate
Arbor/Hort Consultant, ASCA

Larry Costello
Environmental Horticulture Advisor
UC Cooperative Extension

Brian Kempf, Director
Urban Tree Foundation

Bruce Hagen, Urban Forester
California Department of Forestry

Bob Ludekens, President
LE Cooke Nursery

Jim Geiger, USDA Forest Service, PSW
c/o Dept. of Environmental Horticulture
UC Davis

Ed Perry, Farm Advisor
UC Cooperative Extension
Stanislaus County

Markio Roberts, Senior Landscape Architect, Caltrans

Jerry Koch, Urban Forester
City of Berkeley

Illustrations:

Front page, c) temporary branches C. Trunk Taper Illustration by Edward F. Gilman, Professor, Environmental Horticulture Department, IFAS, University of Florida.
All other Illustrations adapted from Integrated Management of Landscape Trees, Shrubs and Vines, Fourth Edition, 2003, Harris, Clark, Matheny.
Photos: Brian Kempf
For more information contact Brian Kempf 559-713-0631 or brian@urbantree.org