. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. THERMOREGULATING FISH ACTIVITY 103 o Q UJ 80 60 40 20- 0 fir i! 1600 2400 TIME (hrs) 0800 FIGURE 4. Hourly activity data of bluegill under 3 days of LD 15:9 pooled to show 24-hour rhythmicity. perature by Fry and Pearson (1952). These laboratory-derived preferred tempera- tures approximate the deep muscle temperature and estimated temperature acclima- tion state of similar sized bluegill collected during daylight, in summer, from a thermal discharge area of Lake Monona (Neill and Magnuson, 1974). Thermoregulatory performance
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. THERMOREGULATING FISH ACTIVITY 103 o Q UJ 80 60 40 20- 0 fir i! 1600 2400 TIME (hrs) 0800 FIGURE 4. Hourly activity data of bluegill under 3 days of LD 15:9 pooled to show 24-hour rhythmicity. perature by Fry and Pearson (1952). These laboratory-derived preferred tempera- tures approximate the deep muscle temperature and estimated temperature acclima- tion state of similar sized bluegill collected during daylight, in summer, from a thermal discharge area of Lake Monona (Neill and Magnuson, 1974). Thermoregulatory performance of bluegill did not differ greatly between day and night (Figure la) or among 6-hour light and dark intervals (Figure Ib). The UJ Q. 18 20 22 24 26 HOUR OF CYCLE 28 30 FIGURE 5. Periodogram computed from median hourly activity data of bluegill under 4 days of constant 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
