. Bulletin. Science. Jan. 1996 Mean = ± N = 261. •« — tS (S <s Size (mm) Fig. 6. Length-frequency distribution of Musculista senhousia. N = number of mussels measured. Mean sizes (± 1 ) also are shown. 1983). Its average density between 1970 and 1987 (294 individuals collected) was 40/m2, but had declined to ^ between 1988 and 1996 (6 individuals col- lected). One obvious change that has occurred is a shift from a primarily deposit- feeding community prior to 1980 (7 of 8 dates) to a suspension-feeding com- munity thereafter (10 of 13 dates), which is due to the increased


. Bulletin. Science. Jan. 1996 Mean = ± N = 261. •« — tS (S <s Size (mm) Fig. 6. Length-frequency distribution of Musculista senhousia. N = number of mussels measured. Mean sizes (± 1 ) also are shown. 1983). Its average density between 1970 and 1987 (294 individuals collected) was 40/m2, but had declined to ^ between 1988 and 1996 (6 individuals col- lected). One obvious change that has occurred is a shift from a primarily deposit- feeding community prior to 1980 (7 of 8 dates) to a suspension-feeding com- munity thereafter (10 of 13 dates), which is due to the increased dominance of the suspension-feeding M. senhousia (Fig. 8B).. 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy


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