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A look at the antebellum history and architecture of the little-known sugar industry of East Florida .   From the late eighteenth century to early 1836, the heart of the Florida sugar industry was concentrated in East Florida, between the St. Johns River and the Atlantic Ocean. Producing the sweetest sugar, molasses, and rum, at least 22 sugar plantations dotted the coastline by the 1830s. This industry brought prosperity to the region—employing farm hands, slaves, architects, stone masons, riverboats and their crews, shop keepers, and merchant traders. But by January 1836, Native American attacks of the Second Seminole War, intending to rid the Florida frontier of settlers, devastated the whole sugar industry.   Although sugar works again sprang up in other Florida regions just prior to the Civil War, the competition from Louisiana and the Caribbean blocked a resurgence of sugar production for the area. The sugar industry would never regain its importance in East Florida—only two of the original sugar works were ever rebuilt. Today, remains of this once thriving industry are visible in a few parks. Some are accessible but others lie hidden, slowly disintegrating and almost forgotten. Archaeological, historical, and architectural research in the last decade has returned these works to their once prominent place in Florida’s history, revealing the beauty, efficiency of design, as well as early industrial engineering. Equally important is what can be learned of the lives of those associated with the sugar works and the early plantation days along the East Florida frontier.

Traditionally, growth can be either determinate, ceasing during the natural lifespan of individuals, or indeterminate, persisting throughout life. Although indeterminate growth is a widely accepted strategy and believed to be ubiquitous among long-lived species, it may not be as common as previously thought. Sea turtles are believed to be indeterminate growers despite the paucity of long-term studies into post-maturity growth. In this study, we provide the first temporal analysis of post-maturity growth rates in wild living sea turtles, using 26 yr of data on individual measurements of females nesting in Cyprus. We used generalised additive/linear mixed models to incorporate multiple growth measurements for each female and model post-maturity growth over time. We found post-maturity growth to persist in green Chelonia mydas and loggerhead Caretta caretta turtles, with growth decreasing for approximately 14 yr before plateauing around zero for a further decade solely in green turtles. We also found growth to be independent of size at sexual maturity in both species. Additionally, although annual growth and compound annual growth rates were higher in green turtles than in loggerhead turtles, this difference was not statistically significant. While indeterminate growth is believed to be a key life-history trait of ectothermic vertebrates, here, we provide evidence of determinate growth in green and loggerhead turtles and suggest that determinate growth is a life-history trait shared by cheloniid species. Our results highlight the need for long-term studies to refine life-history models and further our understanding of ageing and longevity of wild sea turtles for conservation and management.