. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 332 S. McCORKLE AND T. H. DIETZ TABLE VI A comparison of the net NH* flux in mM Na^SOt and deionized water baths and net H flux in mM Na-iSOt of pondwater-acclimated and salt-depleted Corbicula fluminea. Data appear as mean =t SEM (** P < ). Means that are not significantly different are indicated by Treatment dry tissue-hr) in Na2SO4 JnNH« in deionized H2() T H Jn in Na2SO< Pondwater Salt-depleted ± (N = 6) ± (N = 14) ± ** (N = 7) ± (N = 14) ± (N =
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 332 S. McCORKLE AND T. H. DIETZ TABLE VI A comparison of the net NH* flux in mM Na^SOt and deionized water baths and net H flux in mM Na-iSOt of pondwater-acclimated and salt-depleted Corbicula fluminea. Data appear as mean =t SEM (** P < ). Means that are not significantly different are indicated by Treatment dry tissue-hr) in Na2SO4 JnNH« in deionized H2() T H Jn in Na2SO< Pondwater Salt-depleted ± (N = 6) ± (N = 14) ± ** (N = 7) ± (N = 14) ± (N = 10) ± (N = 7) depleted animals resulted in the significant regression coefficient value r = (P < ). DISCUSSION Corbicula fluminea exhibits an Na transport mechanism different from that of unionid mussels. The high J;Na and J0Na for C. fluminea agree with those pre- the unionid X z + X 25 -, 20 - I 5 - 10 - 5 - • PW O SD. 5 10 , No 15 20 25 ( pM / g dry tissue • hr) FIGURE 2. Relationship between unidirectional sodium influx and the sum of the net loss of H and NH4 of pondwater-acclimated (PW) and salt-depleted (SD) Corbicula fluminea in mM Na2S(>4. The broken line represents the baseline excretory H + NH4 efflux for pondwater- acclimated clams. The equation for the regression line is JnH+NH4 = ( ± ) + ( ± )JiNa. The regression coefficient, r, is equal to (P < ).. 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 Biological Laboratory
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