546 
Journal oj Agricultural Research 
Vol. XXX, No. 6 
Table IX .—Radial increment in millimeters in d. b. h. from 1903 to 1912, in¬ 
clusive, and mortality in trees of plots of Table VIII a 
Plot No. 
Balsam, increment 
Red spruce 
, increment 
White spruce, increment 
All spruce 
Dead 
Liv¬ 
ing 
Dead 
All 
Dead 
Liv¬ 
ing 
Dead 
All 
Dead 
Liv¬ 
ing 
Dead 
All 
Dead 
In- 
j ere- 
ment„ 
all 
P. ct. 
Mm. 
Mm. 
Mm. 
P.ct. 
Mm. 
Mm. 
Mm. 
P. ct. 
Mm. 
Mm. 
Mm. 
P.ct. 
Mm. 
18_ 
0 
15.1 
15.1 
0 
9.4 
9.4 
0 
9. 7 
9.7 
0 
9.6 
7b_ 
64.2 
11.7 
7.8 
8.9 
3.8 
9.1 
13.0 
9.3 
33.3 
12.7 
2.0 
9.8 
4.8 
9. 2 
17a_ 
0 
5.0 
11.9 
13.3 
11.9 
14.3 
6.2 
4. 5 
6.0 
7.4 
8. O' 
16_ 
77.0 
10. 6 
10.6 
16. 6 
10.6 
7. 8 
10.1 
29.0 
7.1 
3.1 
5.9 
25.2 
7.2: 
17_ 
91.7 
9.1 
9.1 
43.7 
6.3 
7.1 
6.0 
30.8 
8.1 
4.6 
7.0 
35.7 
6.9* 
15_ 
100.0 
6.1 
6.1 
28.6 
7.0 
7.2 
7.1 
45.8 
9.2 
4.8 
7.2 
39.5 
7.1 
7. 
91.4 
7.0 
7.0 
40.0 
7.2 
7.6 
7.3 
60.0 
5.0 
2.0 
3.3 
41.5 
7. O' 
7a_ 
97.1 
9. 7 
9. 7 
52.3 
6.9 
6.6 
6.7 
50.0 
5.0 
2.5 
3. 7 
52.0 
6. a 
14a_ 
100.0 
6.2 
6.2 
50.9 
7.6 
6.3 
6.9 
65.6 
5.0 
3.4 
4.0 
56.2 
6.0 
13_ 
61.1 
7.7 
7.7 
50.0 
10.7 
8.5 
9.6 
75.3 
6.8 
4.3 
4.9 
73.2 
; 5.3: 
14_ 
100.0 
— 
6.2 
6.2 
71.4 
80.4 
6.6 
5.3 
5.4 
79.2 
| 5.4 
Average 
13.5 
7.4 
8.3 
8.9 
7. 5 
8.3 
7.5 
4.2 
5. 9 
(ID 
(68) 
(91) 
(55) 
(68) 
(61) 
' f 
° Figures in parentheses refer to number of measurements. 
Table X .—Composition of plots, Metis Lake, Quebec a 
Balsam 
Dead 
balsam 
Red 
spruce 
Dead 
red 
spruce 
White 
spruce 
Dead 
white 
spruce 
Hard¬ 
woods 
Aver¬ 
age 
number 
trees 
per plot 
Aver¬ 
age 
diam¬ 
eter 
Aver¬ 
age 
basal 
area 
Aver¬ 
age 
height 
Aver¬ 
age 
age, in* 
years 
Per cent 
79.1 
Per cent 
39.1 
Per cent 
5.3 
Per cent 
0 
| 
i Per cent 
: i5.6 
Per cent 
11.6 
Per cent 
5.7 
88.8 
Inches 
6.7 
Sq. in. 
21.14 
Feet 
60 
76 
a Based on 33 plots. 
Table XI .—Radial increment in millimeters from 1903 to 1912, inclusive, and 
mortality of trees in plots of Table X. Plots averaged by groups in percentage 
classes a 
Red 
Balsam, increment 
White spruce, increment 
spruce, * 
incre¬ 
Dead 
ment 
Living 
Dead 
All 
Living 
Dead 
All 
Living 
Per cent 
Mm. 
Mm. 
Mm. 
Mm. 
Mm. 
Mm. 
Mm. 
0 to 5._.. 
12.4 
2.0 
12.3 
11.8 
3.2 
11.1 
5 to 15_ . _ 
10.6 
5. 0 
10.4 
10.6 
5.3 
10.0 
15 to 25_ _ .. 
10.2 
5. 0 
9. 2 
11. 2 
5.8 
10.0 
25 to 35 
9. 5 
5. 3 
8. 0 
9.3 
3.5 
7.6 
35 to 45 .. 
8.3 
5. 0 
6.9 
45 to 55.- _ 
8.8 
4.4 
6. 7 
7. 5 
2.5 
5.0 
55 to 65_ 
8. 1 
5.2 
6.3 
7.5 
3.5 
5.1 
65 to 75 
7.8 
4.4 
5.2 
Average_ _ 
9.0 
5.0 
7.4 
9.6 
4.3 
8.8 
8.4 
(507) 
(335) 
(220) 
(43) 
(77) 
° Figures in parentheses refer to number of measurements. 
b Too few trees per plot to be considered. 
