Table 5.
Contaminant levels in Halibut collected from from the Aleutian Islands during the summer of 2004. Given are means±SE and geometric means below. Comparisons are made with Kruskal-Wallis 1-Way ANOVA, yielding an X2 statistic. All values are in ng/g (ppb wet weight).
| Halibut | Total Length (cm) | Standard Length (cm) | Weight (g) | Arsenic | Cadmium | Lead | Mercury | Selenium | |
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| N | |||||||||
| Amchitka Island | |||||||||
| Long Shot | 2 | 149 ± 13.0 | 134 ± 11.5 | 26310 ± 19100 | 513 ± 309 | 0.19 ± 0.18 | 10.5 ± 1.63 | 662 ± 267 | 302 ± 71.3 |
| 148 | 133 | 18100 | 409 | 0.06 | 10.4 | 605 | 294 | ||
| Milrow | 5 | 91.4 ± 9.9 | 81.0 ± 7.5 | 9780 ± 3107 | 316 ± 97.4 | 6.80 ± 3.40 | 34.9 ± 15.9 | 189 ± 121 | 274 ± 36.7 |
| 91.6 | 73.6 | 6640 | 235 | 2.40 | 10.3 | 39.0 | 284 | ||
|
| |||||||||
| Intra-island Kruskal-Wallis | 3.8 (0.05) | 3.8 (0.05) | 1.3 (NS) | 0.6 (NS) | 2.4 (NS) | 0.2 (NS) | 2.4 (NS) | 0.6 (NS) | |
| Amchitka (Totals) | 7 | 108 ± 12.9 | 96.0 ± 11.3 | 14500 ± 5580 | 372 ± 102 | 4.91 ± 2.65 | 27.9 ± 11.8 | 324 ± 134 | 282 ± 30.2 |
| 103 | 92.3 | 10500 | 285 | 1.13 | 8.9 | 128 | 272 | ||
|
| |||||||||
| Rat Island | 6 | 51.0 ± 11.1 | 43.8 ± 9.90 | 3010 ± 2400 | 566 ± 133 | 32.4 ± 11.0 | 1.29 ± 1.22 | 78.3 ± 1.38 | 552 ± 56.5 |
| 46.9 | 40.1 | 1020 | 418 | 20.1 | 0.20 | 78.3 | 537 | ||
| Kiska Island | 11 | 69.5 ± 7.7 | 62.0 ± 7.4 | 9770 ± 2450 | 842 ± 235 | 1.82 ± 0.49 | 43.5 ± 19.1 | 95.1 ± 13.1 | 332 ± 25.6 |
| 64.9 | 57.3 | 3630 | 505 | 1.00 | 14.9 | 84.7 | 322 | ||
|
| |||||||||
| X 2 | 9.6 (0.02) | 9.7 (0.02) | 6.8 (0.08) | 2.3 (NS) | 13.2 (0.004) | 9.8 (0.02) | 6.0 (NS) | 11.8 (0.008) | |