tree classes Flashcards
ages 0-80
Younger Immature (YI) 0-60 for Pl
ages 81-120
Older Immature (OI)
ages 121-250+
Mature (veteran) (M)
TC1
OI
No path indicators
RESIDUAL
TC2
OI
one or more path indicator
SUSPECT
TC3
OI
standing or down
at least 50% solid wood
DEAD POTENTIAL
TC4
3m tall
DEAD USELESS
TC5
Mature (veteran)
TC6
Only 1 or 2 live branches
tallied for snag count only
LIVE USELESS
TC7
mature(vet)
standing or down
at least 50% solid wood
VET DEAD POTENTIAL
TC8
YI (IMMATURE)
TC9
YI
Standing or down
at least 50% solid wood
IMMATURE DEAD POTENTIAL
cedar and cypress TC6 specs
must be almost completely hollow with just thin shell of solid wood remaining
low proportion of sound wood must be obvious
Hemlock, balsalm, fir, pine, spruce TC6 specs
must be broken off in lower or middle thirds
at least top third must be missing
only a few live branches remaining