. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. R LARGE 35] 559 30 25 20 15. 1986 1987 1988 1989 YEAR Figure 5. Between-year comparisons of percentages of crabs missing, regenerating, and both missing and regenerating limbs in the Rhode River by size from 1986 to 1989. Years with the same superscripted letter did not differ significantly in total autotomy frequency (STP tests. < ). At North Inlet, juvenile crabs showed anoma- lously high levels of limb loss (44%) compared to adults (25%). Season. The percentage of injury for large crabs and for combined size class
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. R LARGE 35] 559 30 25 20 15. 1986 1987 1988 1989 YEAR Figure 5. Between-year comparisons of percentages of crabs missing, regenerating, and both missing and regenerating limbs in the Rhode River by size from 1986 to 1989. Years with the same superscripted letter did not differ significantly in total autotomy frequency (STP tests. < ). At North Inlet, juvenile crabs showed anoma- lously high levels of limb loss (44%) compared to adults (25%). Season. The percentage of injury for large crabs and for combined size classes in the Rhode River varied sig- nificantly over the season in 1987 and 1989 only (G-tests, P < , Fig. 6). In these years, overall levels of autotomy were high early in the season, declined in mid-summer (July-August), increased in September, and dropped again in October. These late season declines in injury level were due primarily to an influx of smaller, undamaged crabs into the subestuary (Hines /«/., 1987a, 1990). Large crabs continued to have high levels of damage in late fall (Fig. 6). No significant seasonal trends in autotomy frequency were observed for small or medium size crabs in any year. Subestuarine location. No significant differences in limb loss were found among sites within the Rhode River sub- estuary from 1986 to 1988. In contrast, crabs caught at the river head in 1989 were missing or regenerating limbs more than twice as often (20%) as those caught at the river mouth (9%) (G-test, 1 df, P l 10 mm CW) and combined size classes are presented. Sample sizes and results of 2-way contingency tests are pre- sented above each bar. NS = Not significant; *, P < ; **, P < , ***, P ).. 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 Ho
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
