Table 3. Model coefficients with standard errors in parentheses for variables retained in final models (Table 2) for abundance, occupancy, and reproductive activity of Bobolink, Savannah Sparrow, and Nelson’s Sharp-tailed Sparrow in Nova Scotia. Model notation follows Table 1.
| |
| |
|
Model for |
Variables retained in best model |
β (SE) |
| |
|
|
|
|
|
Bobolink
|
|
|
|
abundance (♂ + ♀) |
HD |
0.34 (0.19) |
|
|
HEMI |
0.03 (0.02) |
|
|
ORTHO |
0.71 (0.98) |
|
abundance (♂) |
COV |
0.34 (0.15) |
|
|
ALF |
-0.36 (0.19) |
|
abundance (♀) |
HD |
0.17 (0.08) |
|
|
HEMI |
0.02 (0.01) |
|
occupancy |
HD
|
0.68 (0.25) |
|
|
FORB
|
-0.19 (0.08) |
|
reproductive activity |
HD |
1.14 (0.39) |
|
|
ARA |
0.69 (0.20) |
|
|
DIP |
0.07 (0.02) |
|
|
ODO |
0.09 (0.03) |
|
|
|
|
| Savannah Sparrow |
|
|
|
abundance |
DIP |
0.02 (0.01) |
|
|
CHIL |
-0.65 (0.38) |
|
|
HD |
-0.37 (0.15) |
|
occupancy |
COLP |
0.51 (0.21) |
|
|
FORB |
-0.04 (0.02) |
|
|
HD |
-1.12 (0.45) |
|
reproductive activity |
OPIL |
1.87 (0.52) |
|
|
FORB |
-0.19 (0.08) |
|
|
|
|
| Nelson’s Sparrow |
|
|
|
abundance |
DIT |
3.22 (0.93) |
|
|
ORTHO |
0.05 (0.02) |
|
|
ALF |
-0.14 (0.05) |
|
occupancy |
DIT |
7.12 (10.89) |
|
|
ARA |
0.06 (0.03) |
|
|
LHL |
0.26 (0.12) |
|
reproductive activity |
HD |
0.19 (0.06) |
|
|
ARA |
0.03 (0.01) |
|
|
ALF |
-0.49 (0.23) |
|
| |
|