Table 1.

Summary of blubber depth measurements from beluga whales (Delphinapterus leucas) in Bristol Bay. AX = axillary; D = dorsal; L = lateral. NS = nonsignificant.

Season	Age class	N	Location	Minimum depth (cm)	Mean depth (cm)	SE (cm)	Maximum depth (cm)	Age class	Season
Fall	Adult	10	1D	4.32	5.80	0.30	6.85	*	*
Fall	Adult	10	2D	6.25	7.74	0.31	9.37	*	NS
Fall	Adult	10	3D	7.15	8.96	0.42	10.80	*	*
Fall	Adult	10	4D	6.69	8.87	0.50	11.23	*	*
Fall	Adult	10	5D	5.22	7.93	0.54	10.80	NS	*
Fall	Adult	10	1L	5.13	6.69	0.36	8.68	*	*
Fall	Adult	10	2L	5.83	6.97	0.27	8.26	*	*
Fall	Adult	10	3L	5.77	7.18	0.26	8.44	*	NS
Fall	Adult	10	4L	5.14	6.64	0.38	9.17	*	*
Fall	Adult	9	5L	4.76	5.92	0.33	7.61	*	*
Fall	Adult	10	AX	4.81	7.88	0.89	15.12	NS	*
Fall	Juvenile	2	1D	4.00	4.42	0.42	4.84	*	NS
Fall	Juvenile	2	2D	3.95	4.86	0.91	5.77	*	NS
Fall	Juvenile	2	3D	4.23	5.20	0.96	6.16	*	NS
Fall	Juvenile	2	4D	3.75	4.74	0.99	5.73	*	NS
Fall	Juvenile	2	5D	5.31	5.39	0.08	5.46	NS	NS
Fall	Juvenile	2	1L	4.63	4.99	0.36	5.34	*	NS
Fall	Juvenile	2	2L	4.64	5.99	1.35	7.34	*	NS
Fall	Juvenile	2	3L	4.74	4.83	0.09	4.92	*	NS
Fall	Juvenile	2	4L	4.52	4.87	0.35	5.21	*	NS
Fall	Juvenile	2	5L	3.31	3.81	0.50	4.31	*	NS
Fall	Juvenile	2	AX	4.04	4.22	0.18	4.39	NS	NS
Spring	Adult	4	1D	3.90	4.44	0.34	5.35	*	*
Spring	Adult	4	2D	6.25	6.94	0.33	7.65	*	NS
Spring	Adult	4	3D	6.65	7.43	0.28	8.01	*	*
Spring	Adult	4	4D	5.85	6.56	0.34	7.34	*	*
Spring	Adult	4	5D	4.34	5.43	0.71	7.44	NS	*
Spring	Adult	3	1L	4.00	5.01	0.52	6.06	*	*
Spring	Adult	4	2L	5.46	5.87	0.17	6.14	*	*
Spring	Adult	4	3L	5.34	6.29	0.92	9.05	*	NS
Spring	Adult	4	4L	4.52	4.80	0.20	5.39	*	*
Spring	Adult	4	5L	4.32	4.88	0.27	5.60	*	*
Spring	Adult	4	AX	6.02	6.24	0.16	6.70	NS	*
Spring	Juvenile	5	1D	3.28	3.67	0.20	4.26	*	NS
Spring	Juvenile	5	2D	4.79	5.50	0.24	6.13	*	NS
Spring	Juvenile	5	3D	5.17	6.37	0.45	7.98	*	NS
Spring	Juvenile	5	4D	4.89	5.73	0.30	6.73	*	NS
Spring	Juvenile	5	5D	4.48	6.07	0.58	7.86	NS	NS
Spring	Juvenile	5	1L	4.03	4.57	0.20	5.10	*	NS
Spring	Juvenile	5	2L	4.42	5.26	0.29	5.78	*	NS
Spring	Juvenile	5	3L	4.10	4.86	0.27	5.57	*	NS
Spring	Juvenile	5	4L	3.87	4.23	0.23	5.11	*	NS
Spring	Juvenile	5	5L	4.00	4.28	0.17	4.92	*	NS
Spring	Juvenile	5	AX	4.79	5.34	0.26	6.23	NS	NS

* Statistical significance at P < 0.05.