Table 1 Sample sizes for each sampling session at each site.
Date | AM | CE | CU | DY | NG |
|---|---|---|---|---|---|
Autumn 2014 | 26 (0.08) | 31 (0.39) | 0 | 0 | 0 |
Spring 2015 | 31 (0.48) | 36 (0.69)* | 37 (0.54)* | 31 (0.52) | 34 (0.56) |
Autumn 2015 | 37 (0.57)* | 37 (0.51)* | 35 (0.23) | 30 (0.43) | 36 (0.44) |
Spring 2016 | 30 (0.33) | 31 (0.55) | 37 (0.43) | 32 (0.47) | 32 (0.56) |
Autumn 2016 | 33 (0.36) | 33 (0.33) | 33 (0.52) | 37 (0.3)* | 30 (0.57) |
Spring 2017 | 4 (0.5) | 14 (0.64) | 1 (1) | 22 (0.5) | 11 (0.36)* |
Autumn 2017 | 7 (0.43) | 34 (0.5) | 9 (0.56) | 16 (0.31) | 5 (0.2) |
Spring 2018 | 2 (1) | 4 (0.5) | 1 (1) | 5 (0.4) | 5 (0.8) |