. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. i—i r~ 10 12 14 16 0) O) o 35- 30- 25- 20- 15- 10- 5- 0. 0 T~ 10 12 14 16 Speed (cms"1) Figure 3. Concentrations of POC (top) and PON (bottom) as a func- tion of flow speed measured in each pipe in 1991. Other interpretations as in Figure 2. sical ( negative growth of calcareous structures or negative concentrations at near-zero flow speeds). To evaluate whether growth rate was maximal at some intermediate flow speed, we used a 2nd-degree polynomial to regress growth rate against flow speed: G = aU2 + bU + c with t
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. i—i r~ 10 12 14 16 0) O) o 35- 30- 25- 20- 15- 10- 5- 0. 0 T~ 10 12 14 16 Speed (cms"1) Figure 3. Concentrations of POC (top) and PON (bottom) as a func- tion of flow speed measured in each pipe in 1991. Other interpretations as in Figure 2. sical ( negative growth of calcareous structures or negative concentrations at near-zero flow speeds). To evaluate whether growth rate was maximal at some intermediate flow speed, we used a 2nd-degree polynomial to regress growth rate against flow speed: G = aU2 + bU + c with terms as denned above. A 2nd-degree polynomial defines a parabola, and this functional relationship be- tween growth and speed can assume a convex-upward shape as expected a priori. Results 7997 experiment The concentration of chlorophyll in pipes increased with flow speed by a factor of more than 2 from 2-15 cm s"1 (Fig. 2; b = , P = , r = ). The horizontal flux (the product of concentration and velocity) of chlorophyll varied among pipes by a factor of approximately 18 over the X range of flow 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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