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I'rucnefle/Nankervis/Port h Page 9 $/22/2003 <br />12 <br />o g <br />0 <br />0 <br />? <br />x 6 <br />H <br />d <br />L <br />V <br />a 3 <br />0 <br />1860 1880 1900 1920 1940 1960 1980 1997 2017 <br />1 N Non 0 Seed/Sap 0 Pole 0 Saw 13 Water Yield ! <br />9 <br />7:* <br />? <br />? <br />5? <br />O <br />n <br />7 <br />3 <br />1 <br />Figure 7. Sirnulated watcr yield tor the pxriod I860 to 2017 fcom the Uuuglas fir fbrest type oiz <br />Forest Service lands in the Narth I'latte River fiasin. Also shown is the estimated <br />clistrihuticin of timhe:r size classes, hy 20-year interval. <br />6 <br />0 5 <br />0 <br />0 4 <br />0 <br />? <br />x 3 <br />? <br />? <br />m 2 <br />u <br />Q <br />1 <br />0 <br />N Non 0 Seed/Sap 0 Pole ¦ Saw 0 Water Yield <br />13 <br />12 <br />11 d <br />A <br />, <br />10? <br />a <br />9 = <br />B <br />7 <br />Figurr 8. Simulated watcr yield tor the pxriod 1860 to 2017 fium the Aspen t'orrst tvpr un <br />Forest Service lands in the North Nlatte River f3asin. Also shuwn is the cstimatrel <br />distrihution ul'limhc;r size classc:s, hy 20-year intcrval. <br />In rither event, the assumption that the spruce-tir stands originatcd on a non-stackcd site is <br />pn?bably invalid as would he thr simulation of the historic water vield tTom whal are nuw slands <br />ut'spruce-tir saw timher. Simulatiuns uf stand ron(iguration ancl water yicld tior thr uthcr furest <br />1860 1880 1900 1920 1940 1960 1980 1997 2017