Response variable | Delaware river | Hudson river | ||
---|---|---|---|---|
Male | Female | Male | Female | |
Date of first detection in the river | 14 May | 20 May | 17 May | 26 May |
Date of first detection in the primary spawning reach | 17 May | 21 May | 31 May | 10 June |
Cumulative number of days spent in the primary spawning reach | 6.4 | 6.1 | 9.4 | 3.8 |
Maximum upstream migration distance (km) | 111.0 | 62.4 | 149.1 | 126.6 |
Date of outmigration | 5 June | 30 May | 29 June | 27 June |
Total number of days in the river | 21.4 | 10.4 | 42.2 | 31.9 |
Shannon longitudinal entropy | 0.47 | 0.41 | 0.55 | 0.42 |
Number of years between consecutive detections | 1.1 | 2.0 | 1.2 | 1.8 |