Arboriculture

ACRT Institute of Arboriculture and Urban Forestry
Training for the line clearing, tree care and urban forestry industry.
http://www.acrtinc.com/iaufmain.html

Arboricultural Association
Promotes care and knowledge of trees in the UK. Details of activities, members, and journal.
http://www.trees.org.uk/

Arboricultural Information Exchange.
The AIE site (UK) has news, links and collections of resources for arboriculture.
http://www.aie.org.uk

Arborist Site Discussion Group
A loose affiliation of volunteer tree working professionals that discuss the needs of tree care within the industry and answer questions for the general public.
http://www.arboristsite.com/

Asia Tree Preservation Ltd
ATP provides arboriculture training and vegetation management consulting in the south, southeast and eastern parts of Asia.
http://www.asiatreepreservation.com

The California Arborists Association
Membership information, details and timetables of activities and workshops.
http://www.cal-arb-association.com

European Arboricultural Council
A forum for arboricultural organizations in Europe to liaise on research and education in tree establishment and improvement of working practices.
http://www.eac-arboriculture.com/

Great Southern Tree Conference
Educational event devoted to tree selection, landscape, production, marketing and management issues in the Southern United States.
http://www.fngla.org/gstree/gen-info.asp

Homeowner’s Guide to Safer Trees
Copiously illustrated account of how to examine trees for safety, what symptoms to look for, evaluating the findings and information on finding an arborist. [PDF]
http://www.aces.edu/pubs/docs/A/ANR-1255/ANR-1255.pdf

How to Hire an Arborist
Provides guidance on selecting a consulting arborist, who offers advice, or a full-service professional who possesses skills in planting, transplanting, pruning, fertilizing, pest management, disease diagnosis, tree removal and stump grinding.
http://ohioline.osu.edu/hyg-fact/1000/1032.html

International Society of Arboriculture
Arboriculture On-line was developed to assist tree care professionals in developing and maintaining effective plant health care programs. Includes an extensive collection of urban forestry links.
http://www.isa-arbor.com/

Mid-Atlantic Chapter, International Society of Arboriculture
information and links on trees and their care (arboriculture); resources for arborists
http://www.mac-isa.org/

Peter Sterken
Provides calculation models for assessing the stability of trees and palms. These methods are backed up by their corresponding scientific and technical publications.
http://www.sterken.be/2_Peter_Sterken/0_start/start.html

Shigo on Tree Systems
A set of articles by Dr. Shigo on arboriculture, and on the growth of garden trees.
http://home.ccil.org/~treeman/shigo/

Tree Care Industry Association
TCIA is a nonprofit trade association of companies in the tree care industry, formerly the National Arborist Association.
http://www.treecareindustry.org

Tree World
Provides an international arborist’s forum for discussion and information about trees with industry experts. Questions answered, participation for registered users.
http://www.treeworld.info

Wildtrees
Includes views on conservation of native trees for the environment.
http://www.wildtrees.co.uk