. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. POPULATION OF NEREIS 133 fe a. OCT NGV DEC JAN FEB MCH APL MAY JUN JLY AUu SEP OCT FIGURE 1. Monthly variation in density of population. lation rose rapidly as the young worms became long enough to be seen in the sand. The population density reached a maximum of about 280 at the end of August, after which the numbers decreased to approximately the same winter density as be- fore. This fall in density was probably due to a thinning out of young worms, al- though a certain amount of emigration may also have occurred, while
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. POPULATION OF NEREIS 133 fe a. OCT NGV DEC JAN FEB MCH APL MAY JUN JLY AUu SEP OCT FIGURE 1. Monthly variation in density of population. lation rose rapidly as the young worms became long enough to be seen in the sand. The population density reached a maximum of about 280 at the end of August, after which the numbers decreased to approximately the same winter density as be- fore. This fall in density was probably due to a thinning out of young worms, al- though a certain amount of emigration may also have occurred, while a small part was due to the elimination of the remnants of the previous generation. 10 I V UJ. 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
