. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 190 P. SPENCER DAVIES TABLE I Respiration rates of corals, expressed on a unit basis of mg dry weight of tissue and surface area of living tissues ± standard deviations. n Respiration rate n Respiration rate >i\ Oz/Cmg-hr) /ilO2/(cm2-hr) n\ O2/(mg-hr) MlO2/(cm2-hr) Montastrea Montastrea annularis cavernosa 2 m 3 ± ± 13 m 3 ± ± 10 m 4 ± 20m 3 ± ± 20m 3 ± ± 40 m 2 ± ± 40 m 3 ± ± A cropora Agaricia palmata lamarcki
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 190 P. SPENCER DAVIES TABLE I Respiration rates of corals, expressed on a unit basis of mg dry weight of tissue and surface area of living tissues ± standard deviations. n Respiration rate n Respiration rate >i\ Oz/Cmg-hr) /ilO2/(cm2-hr) n\ O2/(mg-hr) MlO2/(cm2-hr) Montastrea Montastrea annularis cavernosa 2 m 3 ± ± 13 m 3 ± ± 10 m 4 ± 20m 3 ± ± 20m 3 ± ± 40 m 2 ± ± 40 m 3 ± ± A cropora Agaricia palmata lamarcki 5 m 2 ± ± 40 m 2 ± ± Acropora Agaricia cervicornis undata 15 m 2 ± ± 66 m 1 Agaricia grahamae 80m 3 ±1:2 ± Variations with shape One of the most easily quantified measures of growth form is the surface area to volume (S/V) ratio, and Porter (1976) has used this ratio to demonstrate a correlation between polyp size, degree of heterotrophy, and growth form. From Figure 1 it is clear that at any depth considered, the branching forms (Acropora palmata and A. cervicornis} and plate-like forms (Agaricia lamarcki) have higher rates of respiration per unit weight of tissue than the massive Montastrea species. 20- 5 O 5-. Ac 20 40 DEPTH M 60 80 h30 (-25 ^t O -20£ T" -152 -10 -5 FIGURE 2. Surface-area-related respiration rate of corals plotted against the depth at which they were living. Symbols as in Figure 1. 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 La
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