. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. METABOLISM OF A BATHYPELAGIC MYSID 191 squares linear regression of the increase in oxygen consumption (R, in micromoles OVh) on the increase in ammonia excretion (E, in micromoles NH3/h) is R =: + (r == , n == 20). DISCUSSION The data obtained for individuals starved for 35 days indicate that the respiration rates of previously well-fed individuals are stable for several weeks of food depri- vation before beginning to decrease. This suggests that activity levels of animals which have fed frequently prior to
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. METABOLISM OF A BATHYPELAGIC MYSID 191 squares linear regression of the increase in oxygen consumption (R, in micromoles OVh) on the increase in ammonia excretion (E, in micromoles NH3/h) is R =: + (r == , n == 20). DISCUSSION The data obtained for individuals starved for 35 days indicate that the respiration rates of previously well-fed individuals are stable for several weeks of food depri- vation before beginning to decrease. This suggests that activity levels of animals which have fed frequently prior to food deprivation may also be maintained during this period. A similar transient "plateau" in respiration rate, followed by a rate decrease, has previously been observed for two benthic, shallow water crustacean species during starvation (Wallace, 1973; Regnault, 1981). The stable mean respi- ration rate of the IX/mo animals suggests that the respiration rates of the 6x/mo individuals would have stabilized at a lower level. i- o 6x/mo A 1x/mo 0 2x/mo LLJ rr O X 111 Z O LLJ C/) < LU cc O Z. 150 200 250 MEAL SIZE (ash-free dry weight, mg) FIGURE 4. Postfeeding increase in ammonia excretion rate as a function of meal size. Shrimp were used for all meals. The increase in excretion rate is the difference between the rate measured 12 hours after feeding and the average of the rates measured before and 3-4 days after feeding. The regression is constrained to pass through the origin, y = Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biol
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