Table S6.
Decadal trends in phenology | Decadal trends in mean abundance | |||
Increase | No change | Decrease | Total | |
Earlier | 7 (7.84) | 8 (8.24) | 5 (3.92) | 20 |
No change | 11 (8.63) | 8 (9.06) | 3 (4.31) | 22 |
Later | 2 (3.53) | 5 (3.71) | 2 (1.76) | 9 |
Total | 20 | 21 | 10 | 51 |
Test results: χ2 = 2.7; df = 4; P = 0.62 |
The number of fish phenophases observed in each category is shown above. Numbers in parentheses indicate expected values if phenophases were randomly assigned to each category. The χ2 test of independence was performed using the N − 1 adjustment for small sample size (88).