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James Boyd Friday, "J. B."

Dr. J. B. Friday

Associate Specialist

Tropical Forestry & Agroforestry Extension

Office: CTAHR/ University of Hawaii

Cooperative Extension Service

875 Komohana Street

Hilo, HI 96720

Phone: (808) 969-8254

Fax: (808) 981-5211


Extension Websites

YouTube Channel: HawaiiRREA

Facebook: Hawaii Forestry Extension

Flickr Photostream:


Ph.D. 1998, University of Hawaii, Agronomy and Soil Science
M. F. 1985, Yale University School of Forestry and Environmental Studies,Timber Management and Tropical Forestry
B. A. 1982, Dartmouth College, Biology

Research/Extension Interests

  • Silviculture and management of Acacia koa
  • Agroforestry in developing countries
  • Tree-crop competition in agroforestry systems
  • Impacts of invasive tree species on native forests in Hawaii
  • Economics of forest industry in Hawaii
  • Reforestation of former agriculture lands in Hawaii
  • Management of native forests for multiple uses
  • Economics of tree farming

Department of Natural Resources and Environmental Management

1910 East-West Road

Sherman 101

Honolulu, HI 96822

Phone: (808) 956-7530

Fax: (808) 956-6539


Department Chair

Dr. Catherine Chan

Graduate Chair

Dr. Tomoaki Miura

Undergraduate Chair

Dr. Travis Idol