. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. -^ Q T Figure 5. Depth range frequency distribution for pearl oyster surveys in 1930 and 2003. Percent values for the 1930 data set are estimates based on the given mean depth range and minimum and maximum depths from Galtsoff( 1933). 25 2- 20 c o iS 3 Q. O Q. 0) O <u Q. 15 10. 9 11 13 15 17 19 21 23 25 27 29 31 33 Shell Length (cm) Figure 6. Size-frequency distribution of the pearl oyster population at Pearl and Hennes Atoll. Northwestern Hawaiian
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. -^ Q T Figure 5. Depth range frequency distribution for pearl oyster surveys in 1930 and 2003. Percent values for the 1930 data set are estimates based on the given mean depth range and minimum and maximum depths from Galtsoff( 1933). 25 2- 20 c o iS 3 Q. O Q. 0) O <u Q. 15 10. 9 11 13 15 17 19 21 23 25 27 29 31 33 Shell Length (cm) Figure 6. Size-frequency distribution of the pearl oyster population at Pearl and Hennes Atoll. Northwestern Hawaiian Islands in 1930 (N =197) and 2003 (N =963).. 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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