. The Biological bulletin. Biology; Zoology; Marine biology. 360 R. M. SITTS AND A. \V. KNIGHT C. franciscorum. In September, the population biomass of N. mercedis was less than that for the population of C. franciscorum and was approximated and exceeded by the P. macrodactylus population. In July through late November diel samplings, Crangon franciscorum • n n M VII, 19 & 20 - ri R PANGPaRCIPoBF PREY Palaemon macrodactylus _?_ Jmn §g r^l. XI. 30 & XII. 1 > | | PAN GPaRC I PoBF PREY Figure 2. The frequency of occurrence of various items in the foreguts of specimens of Cr
. The Biological bulletin. Biology; Zoology; Marine biology. 360 R. M. SITTS AND A. \V. KNIGHT C. franciscorum. In September, the population biomass of N. mercedis was less than that for the population of C. franciscorum and was approximated and exceeded by the P. macrodactylus population. In July through late November diel samplings, Crangon franciscorum • n n M VII, 19 & 20 - ri R PANGPaRCIPoBF PREY Palaemon macrodactylus _?_ Jmn §g r^l. XI. 30 & XII. 1 > | | PAN GPaRC I PoBF PREY Figure 2. The frequency of occurrence of various items in the foreguts of specimens of Crangon franciscorum and Palaemon macrodactylus during 1976. Categories are plant frag- ments (P), animals or animal fragments (A), specimens of Ncomysis mercedis (N), gammarid amphipods (G), larvae of Palaemon macrodactylus (Pa) and the mud crab Rhithropano- pcus harrisii (R), copepods (C), insects (I), polychaetes (Po), bivalves (B), and fish larvae (F). A star indicates that copepods were not counted. The number over a bar is the average number of that prey item per 10 foreguts over the diel cycle. The single Palemon macrodactylus in February (II, 25 & 26) was 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 Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
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