DAFB
diameter above flare or buttress
dB
decibel
dbh
acronym for tree diameter at breast height. Measured at 1.4 m ( 4.5 feet) above ground in the United States. Australia (arboriculture). New Zealand. and when using the Guide for Plant Appraisal (9th ed.); at 1.3 m ( 4.3 feet) above ground in Australia (forestry). Canada. the European Union. and UK (forestry); and at 1.5 […]