II-1. WATERBIRD UTILIZATION OF EAGLE RIVER FLATS
17
Table II-1-4. Percent use of ERF study areas and major habi-
tat types by ducks in fall 1997 2000. Habitat types within
study areas used by ≤1% of ducks are not listed.
Percent Use
Area/Habitat
1997
1998
1999
2000
Coastal West
9.9
17.6
18.8
7.9
Ponds
5.6
9.1
10.9
5.8
Knik Shoreline
4.3
7.6
6.6
1.8
A
14.6
5.6
14.9
23.5
Ponds
14.5
5
11.5
16.7
B
25.0
19.2
20.1
19.0
Ponds
19.2
18.2
16.1
17.8
Eagle River
5.8
1
1.4
1.2
Racine Island
0.6
1.1
1.5
0.7
C
17.9
4.8
4.8
10.0
Ponds
2.4
4.7
1.0
4.6
Eagle River
15.5
0.1
1.0
4.8
CD
11.4
15.3
8.5
9
Ponds
11.4
15.3
3.7
5.7
Bread Truck
1.3
1.9
2.3
3.7
Ponds
1.3
1.9
1.1
1.5
Coastal East
9.1
21.1
9.1
6.6
Ponds
2.8
9.3
5.0
4.5
Knik Shoreline
6.3
11.7
0.9
1.4
D
10.7
13.4
20.0
19.7
Ponds
10.7
13.4
13.3
19.6
e r n sandpiper (C. mauri) , dowitchers
from spring to mid-September (Table II-1-1).
(Limnodromus spp.), and greater and lesser
No breeding sandhill cranes were observed
yellowlegs (Tringa spp.).
on ERF in 2000.
Gulls and Terns
Gull species were combined for aerial sur-
REFERENCES
veys (Table II-1-1). They include mew gulls
(Larus canus), glaucous-winged gulls (L.
Racine, C.H., and D.W. Cate (Ed.) (1996) In-
glaucescens), and herring gulls (L. argentatus).
teragency expanded site investigation: Evalu-
Arctic terns (Sterna paradisaea) were common
ation of white phosphorus contamination and
into July. The mew gull colony, formerly in
potential treatability at Eagle River Flats,
Area D, now consists of just a few pairs.
Alaska. FY 95 Final Report. U.S. Army Cold
Regions Research and Engineering Labora-
Sandhill Cranes
tory. Contract Report to U.S. Army, Alaska,
Sandhill cranes (Grus canadensis) were ob-
Directorate of Public Works, Ft. Richardson,
served on ERF in small numbers sporadically
Eagle River, Alaska.
Previous Page
