RT Journal Article SR Electronic T1 Arboricultural Abstracts JF Arboriculture & Urban Forestry (AUF) FD International Society of Arboriculture SP 300 OP 301 DO 10.48044/jauf.2007.33.4.300 VO 33 IS 4 YR 2007 UL http://auf.isa-arbor.com/content/33/4/300.abstract AB