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<br />~, <br /> <br />Management Situation by Revision Topic <br /> <br />Table 111-6. Old-Growth Structural AttributesJQuality Attachments <br /> <br />:) <br /> <br />" <br /> <br /> , Forest-Cover Types <br />Standard <br />Attributes Pinyon- Spruce! Douglas-fir Lodgepole Porlderosa Aspen <br /> Juniper Fir Pine Pine <br />Uve Trees UDoer CanaDY <br />DBHIDRC , 16 18 10 18 14 12 <br />TreeslAcre 10 10 10 10 20 30 <br />Aae 200 200 lS0 160 100 200 <br />Diameter Variation X X X 0 X <br />Decadence X X X X X X <br />Multiple-Canopy Layers . X Q Q Q <br />Dead Trees - Standing <br />DBHIDRC 10 10 8 10 10 10 <br /> . 0 <br />TreeslAcre 2 2 2 2 1 <br />Dead Trees Down <br />Piecesl Acre X X X 0 0 2 <br />AdditionaVQualities Attributes <br />Slow-Growing Main Canopy . X X X X X <br />Canopy Closure USDA % Plus X <br />CanaDY Closure 35% Plus X <br />Wide Range of Vigor Q X <br />Net Growth Near Zero X Q Q <br />Patchiness X Q Q <br />Many Stages of Decomposition X Q X <br />Multiple-Tree Species Q Q <br />Distinctive Crowns Q Q <br />Distinctive Bark Q Q <br /> <br />DBH = Diameter at Breast Height. DRC = Diameter at Root Collar. Applicable only to pinyon/juniper. <br /> <br />As mentioned earlier, about 73 percent of the forested land on the RGNF is currently in the mature <br />and old category. Any of this could qualify as old growth, but unless the specific attributes that <br />describe old growth are evaluated, one can only refer to it as . potential old growth.' <br /> <br />111-25 <br /> <br />C ,,,24..)8 <br />