Ecological Archives
M071-005-A1
Y.
K. Lin and G. O. Batzli. 2001. The influence of habitat quality
on dispersal, demography, and population dynamics of voles. Ecological
Monographs 71:245-275.
Table A1. Three-way
ANOVA tables with repeated measures for composition of vegetational
biomass (live monocots, live dicots, litter, total live and dead,
and high quality forage) in manipulated habitat patches for 1995
(Figs. 2 and 3). Experimental manipulations included mowing (cover)
and supplemental feeding (food) in a 2 X 2 factorial design with
4 replicates. Elevation (2 replicates upslope and 2 downslope)
was used as a third factor, and sampling of vegetation was repeated
in late June and early October (season).
Live
monocots
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
0.194 |
0.005 |
0.946 |
|
Cover |
1 |
828 |
21.3 |
0.002 |
|
F X C |
1 |
9.36 |
0.241 |
0.637 |
|
Elevation |
1 |
726 |
18.6 |
0.003 |
|
F X E |
1 |
11.6 |
0.298 |
0.600 |
|
C X E |
1 |
40.7 |
1.05 |
0.336 |
|
F X C X E |
1 |
3.84 |
0.099 |
0.761 |
|
Subjects (groups) |
8 |
311 |
|
|
|
Season |
1 |
347 |
76.7 |
<0.0001 |
|
F X S |
1 |
24.8 |
5.47 |
0.047 |
|
C X S |
1 |
30.4 |
6.72 |
0.032 |
|
F X C X S |
1 |
2.07 |
0.456 |
0.518 |
|
E X S |
1 |
22.0 |
4.85 |
0.059 |
|
F X E X S |
1 |
3.06 |
0.675 |
0.435 |
|
C X E X S |
1 |
11.7 |
2.59 |
0.146 |
|
F X C X E X S |
1 |
6.73 |
1.48 |
0.258 |
|
Season X subjects
(groups) |
8 |
36.2 |
|
|
|
Total |
31 |
2415 |
|
|
Live
dicots
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
14.9 |
0.106 |
0.753 |
|
Cover |
1 |
1092 |
7.76 |
0.024 |
|
F X C |
1 |
2.33 |
0.017 |
0.901 |
|
Elevation |
1 |
1324 |
9.42 |
0.015 |
|
F X E |
1 |
56.7 |
0.404 |
0.543 |
|
C X E |
1 |
467 |
3.32 |
0.106 |
|
F X C X E |
1 |
42.4 |
0.302 |
0.598 |
|
Subjects (groups) |
8 |
1125 |
|
|
|
Season |
1 |
44.0 |
13.4 |
0.006 |
|
F X S |
1 |
0.086 |
0.026 |
0.877 |
|
C X S |
1 |
12.3 |
3.74 |
0.089 |
|
F X C X S |
1 |
9.46 |
2.87 |
0.129 |
|
E X S |
1 |
14.4 |
4.37 |
0.070 |
|
F X E X S |
1 |
2.69 |
0.817 |
0.392 |
|
C X E X S |
1 |
11.4 |
3.47 |
0.100 |
|
F X C X E X S |
1 |
11.2 |
3.40 |
0.102 |
|
Season X subjects
(groups) |
8 |
26.4 |
|
|
|
Total |
31 |
4255 |
|
|
Litter
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
25.3 |
0.217 |
0.653 |
|
Cover |
1 |
2600 |
22.4 |
0.002 |
|
F X C |
1 |
79.5 |
0.683 |
0.432 |
|
Elevation |
1 |
10.4 |
0.089 |
0.772 |
|
F X E |
1 |
1.17 |
0.010 |
0.922 |
|
C X E |
1 |
3.56 |
0.031 |
0.866 |
|
F X C X E |
1 |
10.3 |
0.089 |
0.773 |
|
Subjects (groups) |
8 |
930 |
|
|
|
Season |
1 |
6333 |
73.3 |
<0.0001 |
|
F X S |
1 |
77.2 |
0.894 |
0.372 |
|
C X S |
1 |
436 |
5.05 |
0.055 |
|
F X C X S |
1 |
18.8 |
0.217 |
0.654 |
|
E X S |
1 |
282 |
3.27 |
0.108 |
|
F X E X S |
1 |
84.8 |
0.982 |
0.351 |
|
C X E X S |
1 |
113 |
1.31 |
0.285 |
|
F X C X E X S |
1 |
24.2 |
0.281 |
0.611 |
|
Season X subjects
(groups) |
8 |
691 |
|
|
|
Total |
31 |
11722 |
|
|
Total
live and dead
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
1.05 |
0.003 |
0.955 |
|
Cover |
1 |
13396 |
42.8 |
0.0002 |
|
F X C |
1 |
142 |
0.455 |
0.519 |
|
Elevation |
1 |
131 |
0.418 |
0.536 |
|
F X E |
1 |
21.9 |
0.070 |
0.798 |
|
C X E |
1 |
218 |
0.697 |
0.428 |
|
F X C X E |
1 |
37.2 |
0.119 |
0.739 |
|
Subjects (groups) |
8 |
2503 |
|
|
|
Season |
1 |
2840 |
41.5 |
0.0002 |
|
F X S |
1 |
11.6 |
0.169 |
0.692 |
|
C X S |
1 |
1006 |
14.7 |
0.005 |
|
F X C X S |
1 |
102 |
1.50 |
0.256 |
|
E X S |
1 |
271 |
3.95 |
0.082 |
|
F X E X S |
1 |
85.4 |
1.25 |
0.296 |
|
C X E X S |
1 |
147 |
2.15 |
0.180 |
|
F X C X E X S |
1 |
146 |
2.13 |
0.182 |
|
Season X subjects
(groups) |
8 |
548 |
|
|
|
Total |
31 |
21608 |
|
|
High
quality forage
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
6.39 |
0.403 |
0.544 |
|
Cover |
1 |
92.2 |
5.81 |
0.042 |
|
F X C |
1 |
4.77 |
0.301 |
0.598 |
|
Elevation |
1 |
189 |
11.9 |
0.009 |
|
F X E |
1 |
0.562 |
0.035 |
0.855 |
|
C X E |
1 |
15.2 |
0.959 |
0.356 |
|
F X C X E |
1 |
3.70 |
0.233 |
0.642 |
|
Subjects (groups) |
8 |
127 |
|
|
|
Season |
1 |
3828 |
277 |
<0.0001 |
|
F X S |
1 |
3.84 |
0.278 |
0.612 |
|
C X S |
1 |
133 |
9.60 |
0.015 |
|
F X C X S |
1 |
4.89 |
0.354 |
0.568 |
|
E X S |
1 |
249 |
18.0 |
0.003 |
|
F X E X S |
1 |
0.255 |
0.018 |
0.895 |
|
C X E X S |
1 |
2.84 |
0.206 |
0.662 |
|
F X C X E X S |
1 |
5.83 |
0.422 |
0.534 |
|
Season X subjects
(groups) |
8 |
111 |
|
|
|
Total |
31 |
4776 |
|
|
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