. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 19 90 Ehs = 2 Ehs = 4 60 30 % ° **'' â I I â â I U h i i L_i < I i i l_i i L. 30 - o k . -Iâ1âIâIâ1â1 I l_ 18 36 0 depth (m) 18 36 Fig. 10 : Predicted phytoplankton production (dashed line), phytobenthic production (dotted line) and total production for different surface light energy levels (Ehs : E m"2 h"l) in Tikehau lagoon from Charpy and Charpy-Roubaud (1990a). The photosynthetic efficiency of lagoonal communities can be summarized as follows: - One mg of Chi a allows an hourly growth product
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 19 90 Ehs = 2 Ehs = 4 60 30 % ° **'' â I I â â I U h i i L_i < I i i l_i i L. 30 - o k . -Iâ1âIâIâ1â1 I l_ 18 36 0 depth (m) 18 36 Fig. 10 : Predicted phytoplankton production (dashed line), phytobenthic production (dotted line) and total production for different surface light energy levels (Ehs : E m"2 h"l) in Tikehau lagoon from Charpy and Charpy-Roubaud (1990a). The photosynthetic efficiency of lagoonal communities can be summarized as follows: - One mg of Chi a allows an hourly growth production of mg carbon - One Einstein reaching lagoon surface allows the growth production of 14 mg of organic carbon in the water column and sediments. 670 _l 1 1 I 1 1 iâiâ Iâiâr l_ 1 . i i i - 630 - _ b E o E 590 - i i i â â â â - 550 â i i â 510 ~l i 1 1 1 1 ' â 1 1 I l ~ 4 * 8 1 3 1 2 Fig. 11 : Monthly averages and confidence intervals (p=95%) of predicted total primary production (plankton and benthos) in 1986 in Tikehau lagoon (from Charpy and Charpy-Roubaud, 1990a).. 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 Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. Washington, D. C. : [Smithsonian Press]
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