. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FEEDING IN FIIORONOPSIS 475 nonselective feeding; -1 ;; E' < 0 indicates avoidance; and 0 < E' ; 1 indicates feeding preference). Phoronid fecal pellets were collected from the field with a small-diameter (2 mm) pipette, washed and disaggregated in sea water on a 250 sieve, and the contents examined under magnification. Particle size analyses of disaggregated feces were performed in distilled water. RESULTS Abundance and spatial distribution Figure 1 shows the number of Phoronopsis excavated from meter-square qua


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FEEDING IN FIIORONOPSIS 475 nonselective feeding; -1 ;; E' < 0 indicates avoidance; and 0 < E' ; 1 indicates feeding preference). Phoronid fecal pellets were collected from the field with a small-diameter (2 mm) pipette, washed and disaggregated in sea water on a 250 sieve, and the contents examined under magnification. Particle size analyses of disaggregated feces were performed in distilled water. RESULTS Abundance and spatial distribution Figure 1 shows the number of Phoronopsis excavated from meter-square quadrats along the two transects. In the intertidal zone, phoronids are aggregated in discrete clusters that are separated from other clusters by intervening open 25 IO O — 20 X C\J -£ 10 o Q. % 10 E 'c < 5 12345 Station No. 120 r Eioo. MLLW 0 i i i i I 23456789 10 Station No. 120 r tlOO 80 a> > 60 _a o 40 -S> 20 LU MLLWO i i i i 12345 Station No FIGURE 1. A and B (above) show the number of Phoronopsis viridis removed from square-meter excavations along two parallel intertidal transects; and (below) station eleva- tions with respect to distance above mean lower low water. The sampling interval between stations was 10 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 Laboratory


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology