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Table 1 Difference in movement and habitat use between male and female Atlantic sturgeon in two rivers

From: Spatiotemporal patterns in habitat use of natal and non-natal adult Atlantic sturgeon in two spawning rivers

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

  1. Within each river, the effect of sex on each parameter was explored using linear mixed effect models. Estimates appearing in italics were not significant at the level of p = 0.05