Hiring an Arborist

An arborist is a specialist in the care of trees. Arborists are trained and equipped to provide trees with proper maintenance and care at all stages of life. Proper investment in an arborist can bring substantial returns, while improving aesthetic. For more information about when and how to hire an Arborist, see the links below:

How to Hire an Arborist

http://www.canopy.org/howto/Arborist%20List%202007.pdf

ISA – Why Hire and Arborist http://www.treesaregood.org/treecare/Hire_Arborist.aspx

International Society of Arborists (ISA)

http://www.isa-arbor.com/

American Society of Consulting Arborists

http://www.asca-consultants.org/

Tree Care and Selection

Tree Care Tips

http://www.treesaregood.com/treecare/treecareinfo.aspx

SelecTree Tree Selection Guide

http://selectree.calpoly.edu/attribute_search.lasso

Oregon State University Department of Horticulture Landscape Plants

http://oregonstate.edu/dept/ldplants/

Tree fact sheets, University of Florida

http://hort.ifas.ufl.edu/trees/taxon.htm

Right Tree, Right Place

http://www.arborday.org/trees/rightTreeAndPlace/

More on Right Tree, Right Place

http://www.tlcfortrees.info/right_tree.htm

Common Pests and Diseases

http://canopy.org/howto/pestdisease.html

Advice for watering mature trees

http://canopy.org/howto/maturewatering.html

Hazard Tree Prevention Webpage

http://www.pnwisa.org/htp/index.html

Regional, State and National Urban Forestry Organizations

Oregon Department of Forestry Urban and Community Forestry

http://www.oregon.gov/ODF/URBAN_FORESTS/urban_forests.shtml

City of Portland Urban Forestry Division http://www.portlandonline.com/parks/index.cfm?c=38294

Urban and Community Forestry USDA

http://www.fs.fed.us/ucf/

American Forests

http://www.amfor.org/

Friends of Trees

http://www.friendsoftrees.org/home/index.php

Arbor Day Foundation

http://www.arborday.org/

Urban Forestry Research and Informational Networks

Urban Forestry Ecosystems Institute

http://www.ufei.calpoly.edu/

TreeLink

http://www.treelink.org/

Center for Urban Forest Research

http://www.fs.fed.us/psw/programs/cufr/

Tree Canopy Studies

Regional Ecosystem Analysis for the Willamette/Lower Columbia Region of Northwestern Oregon and Southwestern Washington State

http://www.americanforests.org/downloads/rea/AF_Portland.pdf

Urban Forestry Canopy Cover in Portland, Oregon, 1972-2002 http://web.pdx.edu/~poracskj/Cart%20Center/psucc200404-047.pdf

Tree Benefits Studies

Western Washington and Oregon Community Tree Guide: Benefits, Costs and Strategic Planting http://www.fs.fed.us/psw/programs/cufr/products/5/cufr_164.pdf

Human Environment Research Lab – University of Illinois

http://www.lhhl.uiuc.edu/

Human Dimensions of Urban Forestry – University of Washington -http://www.cfr.washington.edu/research.envmind/

Landscapes and Human Health Laboratory

http://www.lhhl.uiuc.edu/

Tree Link search results on benefits

http://www.treelink.org/linx/?navSubCatRef=56