Estimating Additional Water Yield from Changes in Management

• File Number: 8461.250
• Description: Water Issues
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 5/12/2000
• Author: Charles A. Troendle, James M. Nankervis
• Title: Estimating Additional Water Yield from Changes in Management
• Water Supply Pro - Doc Type: Report/Study

species. The relationships for lodgepole pine, spruce.-fir, and aspen, th.e three
most prevalent species, are pre:sented in figures 12a -- 12c.
? Lodi3epote Forests I
I ?
180
E I
i 160 = 1.2148x+ 9.0996 • ?
I 2
m 140 R = 0.9494 - -•-
? 120 - I
i
i oo ?y I
°•' 80
< I
q 60
I
N ?
I m 40 . . ?
? p
j 0 SQ 100 150 200
? Age
Figure 12a: Relationship benveen basal area (Y) and age (X) for :Lodgepole Pine.
? Spruce-Fir Forests
I
? 180
?so Y=o.7sssx+1o.o7
x = o.szas ? •
d 140
.
? 120 '
i •
?
100
t q
a 80
i ? 60
a ?
m 40 • •
20 ?
0 .
0 50 100 150 200 250
Age
Figure 12b: Relationship between basal area (Y) and age (7C) for Spruce-Fir.
A:spen Forests
160
r= 1.084lx.20.329
140 =
120 0.8943
•
? -
u •
.? 100
m 80
q 60 ? 7-
A
N 40
a ?
j 20
0
? 0 20 40 60 80 100 120
I Age I
Figure 12c: Relationship betweeri basal area (Y) and age (X) for Aspen.
?.
\.
25