Breeding Bird Relationships to Landscape Metrics in Coastal Plain Georgia
Table 1
Avian models with AICc value for modeling routes, prediction rate for validation routes, and statistic for all selected partial Breeding Bird Survey routes in Coastal Plain Georgia during 1995–1999.
Species
Buffer (km)
Best model(s)ab
AICc
Prediction rate
c Statistic
Acadian flycatcher
2
(+) HH-COHESION (−) CL-ED (+) MF-AREA
37.74
11/15
0.84
Blue jay
4
(−) HH-COHESION (−) CL-IJI (+) PH-ED (−) SH-ED
32.55
11/15
0.92
Brown-headed cowbird
4
(−) HH-ED (−) PH-AREA (+) LP-ED (−) LP-COHESION
41.51
11/15
0.83
Downy woodpecker
4
(+) CL-AREA (+) PH-ED (−) MF-IJI (+) SH-IJI
35.04
12/15
0.88
Field sparrow
0.5
(+) HW-IJI (−) CL-IJI (−) PH-ED (+) SH-IJI
32.53
12/15
0.93
Field sparrow
0.5
(+) HW-IJI (−) CL-IJI (+) SH-CORE (+) SH-IJI
33.04
12/15
0.91
Field sparrow
0.5
(+) HW-IJI (+) HH-IJI (−) CL-IJI (+) SH-CORE
33.60
12/15
0.89
Field sparrow
0.5
(+) HW-IJI (−) CL-IJI (−) PH-ED (+) SH-CORE
33.87
12/15
0.91
Northern parula
0.5
(+) HH-ED (+) MF-AREA (−) SH-IJI
38.18
11/15
0.87
Northern parula
1
(+) HH-ED (+) CL-AREA (+) MF-AREA
40.67
12/15
0.86
Northern parula
2
(−) HW-AREA (+) HH-ED (+) CL-AREA (+) MF-AREA
34.29
13/15
0.91
Northern parula
2
(+) HH-ED (−) HH-AREA (+) CL-AREA (+) MF-AREA
36.24
13/15
0.91
Orchard oriole
1
(−) HW-IJI (+) HH-AREA (+) PH-ED (+) LP-CORE
29.15
12/15
0.88
Orchard oriole
4
(+) HH-ED (−) CL-IJI (+) PH-ED (+) PH-IJI
38.23
12/15
0.87
Pine warbler
1
(−) HH-IJI (−) HH-COHESION (−) MF-IJI (+) SH-IJI
42.45
11/15
0.83
Prairie warbler
0.5
(+) HH-AREA (−) MF-IJI (+) SH-ED
25.31
12/15
0.82
Red-bellied woodpecker
4
(−) CL-IJI (+) MF-IJI (+) LP-ED
45.76
12/15
0.80
Summer tanager
1
(−) CL-COHESION (+) PH-ED (+) LP-AREA (−) SH-IJI
40.99
11/15
0.86
Summer tanager
2
(−) HH-IJI (+) PH-ED (+) LP-AREA (−) LP-IJI
33.52
11/15
0.92
aHW: hardwood forests; HH: hydric hardwoods; CL: clearcuts; PH: pasture/hay; MF: mixed forest; MP: managed pine; LP: longleaf pine; SH: shrub.
bAREA: mean patch area; COHESION: connectivity; CORE: mean core area; ED: edge length density; IJI: class type intermixing.