Contaminant Exposure in Juvenile Salmon: Table 5

U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications

NOAA Tech Memo NMFS NWFSC-8: Contaminant Exposure in Juvenile Salmon (cont): Table 5

Table 5.
Length and weight of juvenile fall chinook at three hatcheries and three estuaries in 1990. Tissues were composited for use in measuring exposure to contaminants.

Site
Sample Size

(n)
Length (mm)
Weight

(g)
Percent Salmon

Tagged
Green River System
Green River Hatchery
234
92 ± 11*
6.7±2.1*
5.1%
Duwamish Waterway
282
95 ± 12
7.2±5.8
6.4%

Nisqually River System
Kalama Creek Hatchery
191
97 ± 6
7.8±5.5
17.8%
Nisqually River estuary
200
105 ± 8
8.9±2.1
10.5%

Puyallup River System
Puyallup Hatchery
190
98 ± 6
8.4±1.7
0%
Puyallup River estuary
336
102 ± 18
8.7±5.6
16.7%
* values represent the mean ± standard deviation.

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