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Fig. 6. Fibre diameter as a function of bell height. Data are plotted for the
inter- (IR), ad- (AR) and per- (PR) radius regions. Regressions for all
regions of diameter against bell height were significantly different from
zero, but there was no difference between the slopes for the three regions.
Data are therefore pooled and a single regression is plotted, along with its
95% confidence intervals (broken lines). The slope of the line is
df=1.35+0.05h (µm). For the `standard'
jellyfish of 20 mm bell height, the predicted fibre diameter is
2.86±1.03 µm.