Ecological Archives
M071-005-A11
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 A11. Two-way
ANOVA tables with repeated measures for mean per capita demographic
variables (in situ recruitment, mortality, immigration, and emigration)
of prairie vole populations in manipulated habitat patches (Fig.
12). 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) used as a third
factor, but not in tables because it had no significant effects.
Estimates of mean demographic values repeated early (weeks 8-14)
and late (weeks 16-22) in the season.
In situ
recruitment
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
0.007 |
1.80 |
0.204 |
|
Cover |
1 |
0.008 |
1.98 |
0.185 |
|
F X C |
1 |
0.0001 |
0.027 |
0.872 |
|
Subjects (groups) |
12 |
0.048 |
|
|
|
Season |
1 |
0.098 |
14.7 |
0.002 |
|
F X S |
1 |
0.018 |
2.67 |
0.128 |
|
C X S |
1 |
0.009 |
1.33 |
0.271 |
|
F X C X S |
1 |
0.002 |
0.290 |
0.600 |
|
Season X subjects
(groups) |
12 |
0.080 |
|
|
|
Total |
31 |
0.269 |
|
|
Mortality
(transformed)
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
14.5 |
0.823 |
0.382 |
|
Cover |
1 |
54.5 |
3.09 |
0.104 |
|
F X C |
1 |
43.0 |
2.44 |
0.144 |
|
Subjects (groups) |
12 |
212 |
|
|
|
Season |
1 |
139 |
15.3 |
0.002 |
|
F X S |
1 |
13.1 |
1.44 |
0.254 |
|
C X S |
1 |
5.52 |
0.605 |
0.452 |
|
F X C X S |
1 |
0.036 |
0.004 |
0.951 |
|
Season X subjects
(groups) |
12 |
109 |
|
|
|
Total |
31 |
591 |
|
|
Immigration
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
0.021 |
4.39 |
0.058 |
|
Cover |
1 |
0.009 |
1.84 |
0.200 |
|
F X C |
1 |
0.008 |
1.59 |
0.231 |
|
Subjects (groups) |
12 |
0.057 |
|
|
|
Season |
1 |
0.058 |
11.8 |
0.005 |
|
F X S |
1 |
0.006 |
1.27 |
0.281 |
|
C X S |
1 |
0.013 |
2.73 |
0.124 |
|
F X C X S |
1 |
0.023 |
4.63 |
0.052 |
|
Season X subjects
(groups) |
12 |
0.059 |
|
|
|
Total |
31 |
0.253 |
|
|
Emigration
(transformed)
|
Source |
d. f. |
Sum of squares |
F-ratio |
P |
|
Food |
1 |
29.3 |
3.75 |
0.077 |
|
Cover |
1 |
956 |
122 |
<0.0001 |
|
F X C |
1 |
9.99 |
1.28 |
0.280 |
|
Subjects (groups) |
12 |
93.8 |
|
|
|
Season |
1 |
251 |
20.4 |
0.0007 |
|
F X S |
1 |
8.71 |
0.707 |
0.417 |
|
C X S |
1 |
57.7 |
4.68 |
0.051 |
|
F X C X S |
1 |
3.04 |
0.247 |
0.628 |
|
Season X subjects
(groups) |
12 |
148 |
|
|
|
Total |
31 |
1558 |
|
|
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