Table 5.

Correlation of contaminant levels in glaucous-winged gull feathers and eggs from the Aleutians (all islands combined)

	Arsenic	Cadmium	Chromium	Lead	Manganese	Mercury	Selenium
Feathers
Arsenic	*********	NS	−0.2 (0.03)	NS	NS	0.2 (0.01)	NS
Cadmium	NS	*********	0.2 (0.05)	0.2 (0.05)	0.3 (0.003)	NS	NS
Chromium	NS	NS	*********	0.3 (0.003)	0.3 (0.0007)	NS	NS
Lead	NS	NS	NS	*********	0.2 (0.01)	NS	NS
Manganese	NS	NS	0.3 (0.02)	NS	*********	−0.2 (0.03)	NS
Mercury	0.2 (0.05)	NS	NS	0.3 (0.02)	NS	*********	0.3 (0.004)
Selenium	NS	NS	NS	NS	NS	NS	*********
Eggs
Arsenic	*********	0.3 (0.03)	NS	−0.4 (0.02)	NS	NS	NS
Cadmium		*********	NS	−0.6 (0.001)	0.3 (0.08)	NS	NS
Chromium			*********	0.4 (0.03)	NS	NS	NS
Lead				*********	NS	0.3 (0.09)	NS
Manganese					*********	NS	NS
Mercury						*********	0.4 (0.01)
Selenium							*********

Given are Kendall tau correlations. Correlations for adults are above the diagonal and chicks below. NS=not significant