An Experimental Study of Vertical Habitat Use and Habitat Shifts in ...

Notropis
Cyprinella
60
Tank 1 (Rep 1)
60
Tank 1 (Rep 1)
40
40
20
20
0
0
60
40
20
Tank 2 (Rep 1)
80
60
40
20
Tank 2 (Rep 1)
0
0
60
Tank 3 (Rep 1)
40
Tank 3 (Rep 1)
40
20
20
0
0
Total Number of Occurrences
80
60
40
20
0
60
40
20
0
60
40
20
0
Tank 1 (Rep 2)
Tank 2 (Rep 2)
Tank 3 (Rep 2)
60
40
20
0
40
20
0
40
20
0
Tank 1 (Rep 2)
Tank 2 (Rep 2)
Tank 3 (Rep 2)
60
Tank 1 (Rep 3)
40
Tank 1 (Rep 3)
40
20
20
0
0
60
40
20
0
60
40
20
Tank 2 (Rep 3)
Tank 3 (Rep 3)
60 Tank 2 (Rep 3)
40
20
0
40 Tank 3 (Rep 3)
20
0
1 2 3 4 5 6 1 2 3 4 5 6
0
Vertical Position Categories
Figure 2. Relationship between vertical placements of Notropis and Cyprinella congeners
during all syntopic trials and tank replications. Gray bars represent native species while
hollow bars represent non-native species. P values of all trials are displayed in Tables 1 and 2.
49