Intertidal section | Time relative to low tide | Total # surveya | Where any shorebird was present in the beach segmentb | Where red knots were present in the beach segmentb | ||||
n | Mean + SE | Max | n | Mean + SE | Max | |||
0 to 100 m | 1 to 2 hours before | 22 | 16 | 138.9 ± 107.1 | 1700 | 5 | 444.6 ± 321.9 | 1700 |
0 to 1 hour before | 28 | 19 | 57.7 ± 31.5 | 425 | 7 | 156.6 ± 74 | 425 | |
0 to 1 hour after | 37 | 26 | 76.8 ± 27.1 | 420 | 10 | 199.8 ± 50.8 | 420 | |
1 to 2 hours after | 22 | 14 | 52.8 ± 29.1 | 360 | 9 | 82.2 ± 43 | 360 | |
101 to 200 m | 1 to 2 hours before | 22 | 19 | 110 ± 52.3 | 850 | 9 | 232.2 ± 97.1 | 850 |
0 to 1 hour before | 28 | 23 | 199.7 ± 71.6 | 1200 | 13 | 353.4 ± 110.1 | 1200 | |
0 to 1 hour after | 37 | 29 | 193.5 ± 92.5 | 2040 | 12 | 467.7 ± 202.4 | 2040 | |
1 to 2 hours after | 22 | 16 | 99.1 ± 46.5 | 540 | 9 | 176.2 ± 74.3 | 540 | |
201 to 300 mc | 1 to 2 hours before | 22 | 8 | 2.1 ± 1.9 | 15 | 2 | 8.3 ± 6.8 | 15 |
0 to 1 hour before | 28 | 14 | 29.5 ± 16.1 | 210 | 7 | 59.1 ± 29 | 210 | |
0 to 1 hour after | 37 | 19 | 57.1 ± 27.3 | 412.5 | 9 | 120.6 ± 50.8 | 412.5 | |
1 to 2 hours after | 22 | 4 | 375 ± 375 | 1500 | 1 | 1500 | 1500 |