. Author manuscript; available in PMC: 2015 Jan 20.

Published in final edited form as: Arch Environ Contam Toxicol. 2008 Aug 20;56(3):596–606. doi: 10.1007/s00244-008-9207-5

Table 3.

Comparison of metal levels in adult tufted puffin feathers from Milrow area and Long Shot area

Feathers	Milrow (n = 4)	Long Shot–Cannikin (n = 18)	Kruskal–Wallis χ² (p)
Arsenic	131 ± 77.7 19.2	166 ± 49.1 18.8	0.05 (NS)
Cadmium	82.8 ± 54.2 37.9	107 ± 23.4 73.9	0.8 (NS)
Chromium	1780 ± 452 1610	2130 ± 432 1590	0.07 (NS)
Lead	510 ± 220 37	1080 ± 543 45.6	0.07 (NS)
Manganese	365 ± 81.2 342	786 ± 96 695	5.4 (0.02)
Mercury	3250 ± 401 3170	2450 ± 358 1780	0.8 (NS)
Selenium	5670 ± 711 5510	6780 ± 654 5970	1.1 (NS)
Weight	754 ± 41.5	806 ± 18.3	1.4 (NS)

Note: The rirst row provides the arithmatic mean ± standard error. The second row provides the geometric mean. Comparison by Kruskal–Wallis nonparametric one-way ANOVA yielding the chi square statistic