EFFECT OF GRAZING UPON ASPEN REPRODUCTION. 
19 
per acre (Plate V, fig. 1 ) . The condition of the sprouts before and after 
grazing was noted on a transect 2h feet wide and 40 feet long running 
across the plot. The results are given in Table 8. 
Table 8. — Character and extent of sheep browsing on clear-cut aspen plot and height at 
which injuries were inflicted. 
Sprout No. 
Height 
of sprout. 
Height 
browsed. 
Condi- 
tion of 
sprout. 1 
Character of injuries. 
1 
Inches. 
53.0 
44.5 
47.5 
38.0 
39.0 
36.0 
42.0 
55.0 
47.0 
33.0 
29.0 
37.0 
59.0 
49.5 
31.0 
32.0 
40.0 
48.0 
61.0 
55.5 
43.5 
40.5 
54.0 
50.0 
55.0 
36.0 
32.0 
50.0 
51.0 
31.0 
39.0 
48.0 
21.0 
32.0 
49.0 
39.0 
69.0 
40.0 
29.0 
59.5 
71.0 
72.0 
43.0 
39.5 
45.0 
62.5 
43.0 
69.5 
45.0 
51.5 
58.0 
54.0 
47.0 
58! 
70.0 
73.0 
61.5 
70.0 
54.5 
66.0 
39.0 
61.0 
55.0 
71.0 
71.0 
57.0 
40.5 
52.0 
Inches. 
43.0 
39.0 
41.0 
38.0 
35.0 
32.0 
35.0 
36.0 
36.0 
26.0 
29.0 
37.0 
40.0 
37.0 
31.0 
32.0 
40.0 
36.0 
36.0 
40.0 
43.5 
38.0 
40.0 
40.0 
38.0 
36.0 
32.0 
38.0 
41.0 
31.0 
33.0 
42.0 
21.0 
32.0 
38.0 
39.0 
40.0 
40.0 
29.0 
45.0 
40.0 
41.0 
43.0 
37.0 
39.0 
39.0 
43.0 
38.0 
45.0 
40.0 
41.0 
44.0 
47.0 
44.0 
45.0 
45.0 
43.0 
36.0 
40.0 
42.0 
40.0 
39.0 
40.0 
38.0 
42.0 
45.0 
32.0 
34.0 
35.0 
V 
V 
V 
V 
V 
V 
V 
V 
V 
w 
V 
V 
V 
V 
V 
w 
V 
V 
V 
V 
V 
V 
V 
V 
V 
V 
V 
V 
V 
w 
V 
V 
w 
V 
V 
V 
V 
V 
w 
V 
V 
V 
w 
V 
V 
V 
V 
V 
V 
V 
V 
V 
w 
V 
V 
V 
V 
V 
V 
V 
V 
w 
V 
V 
V 
V 
V 
V 
V 
Laterals grazed. 
2 
Do. 
3 
Do. 
4 
Laterals and terminal grazed. 
5 
Laterals grazed. 
6 
Do. 
7 
Do. 
8 
Do. 
9 
Do. 
10 
Do. 
11 
Laterals and terminal grazed. 
12 
Do. 
13.. 
Laterals grazed. 
14 
Do. 
15 
Laterals and terminal grazed. 
Do. 
16 
17 
- Do. 
18 
Laterals grazed. 
Do. 
19 
20 
Do. 
21 
Laterals and terminal grazed. 
22 
Laterals grazed. 
Do. 
23 
24 . 
Do. 
25 
Do. 
27 '. 
Do. 
Laterals grazed. 
Do. 
29 . 
31 
Laterals grazed. 
Do. 
33 . 
Laterals and terminal grazed. 
Do. 
35 
Laterals grazed.. 
Laterals and terminal grazed. 
Laterals grazed. 
Laterals and terminal grazed. 
Do. 
37.. 
39.. 
40 
Laterals grazed. 
Do. 
41 
Do. 
43 
Laterals and terminal grazed. 
Laterals grazed. 
Do. 
45 
Do. 
47 
Laterals and terminal grazed. 
Laterals grazed. 
Laterals and terminal grazed. 
Laterals grazed. 
Do. 
49.. 
51.. 
Do. 
53 
Laterals and terminal grazed. 
Laterals grazed. 
Do. 
55 
56.. .. „ 
Do. 
57 
Do. 
58 
Do. 
59 
Do. 
60 
Do. 
61 
Do. 
Laterals and terminal grazed. 
Laterals grazed. 
Do. 
63 
64 
65... 
Do. 
Do. 
67 
68.... 
Do. 
Do. 
69 
Do. 
1 V indicates that the sprout was in vigorous and normal condition after grazing. W signifies that it 
was weak and likely subsequently to die from the injuries caused by browsing. 
