Table 1. Biological data from harvested ringed seals collected in Hudson Bay, Canada.
| Year | Body condition (% fat) | Ovulation (%) | Young of year (%) | RIA cortisol (ng/g) |
|---|---|---|---|---|
| 2003 | 39.1 (115) | 0.07 ± 0.01 (72) | ||
| 2004 | 55.4 ± 1.0 (45) | 30.4 (56) | 0.10 ± 0.02 (32) | |
| 2005 | 52.8 ± 0.9 (71) | 40.9 (88) | 0.10 ± 0.01 (120) | |
| 2006 | 49.7 ± 0.7 (80) | 42.7 (82) | 0.14 ± 0.05 (40) | |
| 2007 | 46.9 ± 0.6 (123) | 85.7 (7) | 52.4 (126) | 0.32 ± 0.10 (27) |
| 2008 | 47.5 ± 0.8 (102) | 100.0 (5) | 48.6 (105) | 0.24 ± 0.04 (56) |
| 2009 | 45.2 ± 1.2 (41) | 88.9 (9) | 38.1 (42) | 0.28 ± 0.04 (51) |
| 2010 | 43.9 ± 0.9 (90) | 66.7 (18) | 28.1 (96) | 0.86 ± 0.27 (46) |
| 2011 | 46.4 ± 0.8 (97) | 56.3 (16) | 20.6 (97) | 0.51 ± 0.12 (30) |
| 2012 | 40.3 ± 1.2 (65) | 83.3 (12) | 10.8 (65) | 0.43 ± 0.07 (34) |
| 2013 | 48.1 ± 1.4 (42) | 100.0 (6) | 20.0 (45) |
Note:
Mean ± standard error (sample size).