. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. REPRODUCTION IN SOUTHERN OYSTERS 83 Growth Growth of the young populations was initially faster at Alligator Harbor than at Turkey Point. However, little growth was observed at the former from mid- August through September, resulting in a smaller average size at Alligator Harbor by the end of the experiment (9 November). Turkey Point had an initially slower, but overall a more steady rate of growth. If setting is assumed to have occurred on the first day the cultch material was set out (20 May), an average growth rate of


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. REPRODUCTION IN SOUTHERN OYSTERS 83 Growth Growth of the young populations was initially faster at Alligator Harbor than at Turkey Point. However, little growth was observed at the former from mid- August through September, resulting in a smaller average size at Alligator Harbor by the end of the experiment (9 November). Turkey Point had an initially slower, but overall a more steady rate of growth. If setting is assumed to have occurred on the first day the cultch material was set out (20 May), an average growth rate of mm/day at Alligator Harbor and mm/day at Turkey Point was recorded for the 25 fastest growing indi- viduals from setting until the initial sampling (3 and 18 July, respectively). By the end of the experiment, the average size of the 25 largest individuals from the young population at Alligator Harbor was mm, a daily growth rate of mm. At Turkey Point the average shell length of the 25 largest individuals at the end of the study was mm, a growth of mm/day. The fastest growing oyster early in the study was one in Alligator Harbor, which reached 43 mm in the 44 days from when setting could have first occurred, a growth rate of mm/day. Toward the end of the study one Turkey Point specimen had reached mm in 166 days. This represents a growth rate of mm/day. Follicle index The follicle index data, which measure gonadal development, are presented in graphic form in Figure 2 (Turkey Point) and Figure 3 (Alligator Harbor). The established populations at both stations followed similar trends over the study pe- riod, rising during April and early May, declining in late May and early June, recovering again until mid- to late July, and finally declining until the project ended in November. The large, statistically significant peak on 14 June at Alligator Har- bor appears to be anomalous: It does not follow the trend at Turkey Point, nor does the de


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology