. Age-class structure of old growth ponderosa pine/Douglas-fir stands and its relationship to fire history. Ponderosa pine Montana; Douglas fir Montana; Old growth forests Montana; Forest fires Montana. Table 3—Understory trees (> feet tall, established after 1900) density and species composition for all detailed plots. Percent composition by species Most recent Plot Trees/acre PP DF LP WL GF SAF fire year L-1 175 35 65 1953 L-2 340 47 53 1919 1 Q L O inn 1RQ7 B-1 164 11 89 1889 B-2 1099 10 90 1889 B-3 524 34 66 1889 F-1 525 12 82 6 1850 F-2 361 3 88 6 3 1889 B-4 265 3 58 1 23 15 1
. Age-class structure of old growth ponderosa pine/Douglas-fir stands and its relationship to fire history. Ponderosa pine Montana; Douglas fir Montana; Old growth forests Montana; Forest fires Montana. Table 3—Understory trees (> feet tall, established after 1900) density and species composition for all detailed plots. Percent composition by species Most recent Plot Trees/acre PP DF LP WL GF SAF fire year L-1 175 35 65 1953 L-2 340 47 53 1919 1 Q L O inn 1RQ7 B-1 164 11 89 1889 B-2 1099 10 90 1889 B-3 524 34 66 1889 F-1 525 12 82 6 1850 F-2 361 3 88 6 3 1889 B-4 265 3 58 1 23 15 1908 Lolo 1 1900 10 a}4 Ponderoso pine Douglas-fir. 1—I—I—r 1 3 5 7 9 1113 15 17 19 2123 25 27 29 3133 35 37 39 414345 Diameter—Class Midpoint (inches) Lolo 1 12 10 o to 5. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Arno, Stephen F; Scott, Joe H; Hartwell, Michael G; Intermountain Research Station (Ogden, Utah). Ogden, UT : U. S. Dept. of Agriculture, Forest Service, Intermountain Research Station
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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber20
