The effect of light on strobilation in the Chesapeake Bay Sea Nettle Chrysaora quinquecirrha |
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Authors: | M. J. Loeb |
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Affiliation: | (1) Ocean Sciences Division, Naval Research Laboratory, Washington, D.C., USA |
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Abstract: | Previous work (Loeb, 1972) showed that strobílation could be induced in Chrysaora quinquecirrha (Desor) by subjecting polyps to a period of chilling followed by warming. It is shown here, that the onset of strobilation and the rate at which this process occurs in a population of C. quinquecirrha polyps is positively related to the amount of light received during chilling and in the period following warming. The absence of light during either period delays the onset of strobilation. The intensity of coloration of C. quinquecirrha polyps before strobilation appears to be correlated with the amount of light to which they have been exposed during chilling. |
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