. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. MIGRATORY HABITS OF LIMNORIA 61 Population pressure In the study of L. lignonun at Friday Harbor (Johnson, 1935), it was hypothe- sized that migration results from overcrowding and approach of sexual maturity. Overcrowding is, of course, closely dependent upon the nature and availability of food supply and living space. Limnoria, like other wood borers, is unique in that it eats the substratum on which it lives. Limits to size and growth of the popula- tion are therefore set by the area of available wood. When conditions bec
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. MIGRATORY HABITS OF LIMNORIA 61 Population pressure In the study of L. lignonun at Friday Harbor (Johnson, 1935), it was hypothe- sized that migration results from overcrowding and approach of sexual maturity. Overcrowding is, of course, closely dependent upon the nature and availability of food supply and living space. Limnoria, like other wood borers, is unique in that it eats the substratum on which it lives. Limits to size and growth of the popula- tion are therefore set by the area of available wood. When conditions become in- tolerable due to population pressure, either a migratory movement must take place FRIDAY HARBOR- WASH N. 2138 •C — IZ 100 CASTLE HARBOR- ME TEMP DATA FROM EASTPORT-ME. 100 ,.50. 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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