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Fig. 9. Drag coefficient versus crown angle for representative
Chondrus at low to intermediate water velocities (0.2 to 1.0 m
s1). Reconfiguration was inversely related to crown angle
such that maximal reconfiguration approaches 0°. The thin lines are linear
regressions for each individual. The thick broken line was for a rigid cone of
variable shape, where the cone's crown angle was equal to the angle of the
peak of the cone (Hoerner,
1965). The angles above the x-axis represent cone of
equal frontal area but spire angles of 30, 90 and 150°, respectively.