Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Certain aspects of the respiration rate of the cirratulid polychaete, Cirriformia spirabrancha (Moore, 1904)
Student Author(s): Gladfelter, Elizabeth
Pages: 17
Location: Final Papers Biology 175H
Date: June 1968
Keywords: Polychaete worm
Abstract: 1. the respiration rate of Cirriformia spirabrancha (Moore, 1904) is dependent on size and temperature. 2. C. spirabrancha acclimates at 21 degrees Celsius, but respiration rate becomes depressed at 7 C. 3. In a sealed chamber, the respiration rate decreases and then increases to initial value as the oxygen tension decreases from 100% to 0%. This indicates the possibility that C. spirabrancha can regulated its oxygen consumption. 4. The three techniques (Warburg, O2 analyser, Winkler) used to measure respiration rate yielded slightly different results, perhaps due to the excited state of the worm during the experiments. 5. An activity pattern was observed, but its cycle was not determined.