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Green turtle nesting, summed for two-year periods, versus year, at grouped index nesting beach sites in Florida during 1989-2000. Summing consecutive even and odd years of nest numbers dampens a pronounced biennial nesting periodicity at each location. Plots with trend lines have a significant slope (alpha=0.05). Plots without lines have no significant trend. Coastal index beach locations are represented by bold lines. Some locations show missing data for periods when complete and consistent nesting surveys did not take place.
Correlation coefficients describing twelve-year slopes at each surveyed beach show considerable variation in temporal trends among beaches.
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