|
12
<br />10
<br />°0 8
<br />0
<br />x 6
<br />N
<br />m
<br />v 4
<br />a
<br />2
<br />0
<br />Historic Water Yield for Limber Pine Stand Composition
<br />USFS North Platte Basin
<br />1860 1880 1900 1920 1940 1960 1980 2000
<br />Figure 21: Historic water yield and stand composition, Limber Pine.
<br />6
<br />5
<br />io
<br />i° 4
<br />0
<br />0
<br />x 3
<br />N
<br />2
<br />a
<br />1
<br />0
<br />Historic Water Yield for Aspen Stand Composition
<br />USFS North Platte Basin
<br />1860 1880 1900 1920 1940 1960 1980 2000
<br />Figure 22: Historic water yield and stand composition, Aspen.
<br />12
<br />11
<br />10
<br />W
<br />9
<br />a
<br />8 --
<br />3
<br />7
<br />6
<br />12.0
<br />11.5
<br />11.0
<br />10.5
<br />a
<br />10.0 ..
<br />v
<br />9.5
<br />9.0
<br />Table 4:- Historical trend in stand composition and water yield, all
<br />species.
<br />Acres by Timber Size and Year
<br />Date
<br />Water
<br />Yield
<br />Non-
<br />stocked
<br />Seedling/
<br />Sapling
<br />Pole
<br />Sawtimber
<br />Total
<br />1860
<br />14.8
<br />397,930
<br />378,594
<br />297,357
<br />33,712
<br />1,107,593
<br />1880
<br />13.5
<br />55,385
<br />697,522
<br />92,137
<br />262,548
<br />1,107,593
<br />1900
<br />14.4
<br />285,731
<br />654,913
<br />156,462
<br />10,488
<br />1,107,593
<br />1920
<br />13.4
<br />35,860
<br />833,308
<br />238,424
<br />1,107,593
<br />1940
<br />12.1
<br />365,292
<br />709,189
<br />33,111
<br />1,107,593
<br />1960
<br />11.9
<br />33,057
<br />193,146
<br />789,152
<br />92,238
<br />1,107,593
<br />1980
<br />12.1
<br />133,461
<br />132
<br />952,339
<br />21,661
<br />1,107,593
<br />2000
<br />11.8
<br />015,5671
<br />133,5931
<br />339,430
<br />619,002
<br />1,107,593
<br />34
<br />
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