. Bulletins of American paleontology. Seagrass Ostracodes: Cronin et i^-. U^ Barnes Sound K MB-l FB-l ' ^'^^ ,rf?. R8 .- .^ .V' ' -' f - Russell Bank Florida Bay FB-17 â « ^ FB-14«\'«f, FB-16 - , V^" ^ »y BobAKA 'Sgj-s FB-23 Fans .â¢y Atlantic Ocean â Vegetation Sites ⢠Sediment Cores 0~ I MILE Text-figure 1.âMap showing JDcation of modern ostracode samples (squares labeled FB-) and sediment cores at Whipray. Russell. Bob Allen. Park. Pass, Manatee Bay (MB-l). and Taylor Slough. Sediment Core Sites Seven sediment cores were collected along a south- west/northeast transect runnin
. Bulletins of American paleontology. Seagrass Ostracodes: Cronin et i^-. U^ Barnes Sound K MB-l FB-l ' ^'^^ ,rf?. R8 .- .^ .V' ' -' f - Russell Bank Florida Bay FB-17 â « ^ FB-14«\'«f, FB-16 - , V^" ^ »y BobAKA 'Sgj-s FB-23 Fans .â¢y Atlantic Ocean â Vegetation Sites ⢠Sediment Cores 0~ I MILE Text-figure 1.âMap showing JDcation of modern ostracode samples (squares labeled FB-) and sediment cores at Whipray. Russell. Bob Allen. Park. Pass, Manatee Bay (MB-l). and Taylor Slough. Sediment Core Sites Seven sediment cores were collected along a south- west/northeast transect running from Whipray Key in central Florida Bay to Manatee Bay on the margin of Barnes Sound (Text-fig. 1, Table 1). Cores were taken by hand using a large-diameter hand-driven piston cor- er ranging in length from 74 cm (Pass Key) to 156 cm (Bob Allen Key). Five cores came from mudbanks in <1 m of water from the central part of Florida Bay (Text-fig. 1): one each from Whipray mudbank (WR- 23B). Bob Allen mudbank (BA-6-A). Russell Bank (RB-19-B). Pass Key (PA-37) and Park Key (PK 23- A). One core came from the transition zone in Little Madeira Bay near the mouth of Taylor Creek (T-24) and another core was taken from Manatee Bay (MB- 1) located on the western edge of Barnes Sound, near the northeast part of Florida Bay. Information on each core site is given in Table 1, in preliminary reports (Wingard et 1995: Brewster-Wingard et al., 1997; Ishman. 1997), and at the website geolo- ) Whipray Keys are located in central Florida Bay; the core was taken on a mudflat on the eastern side of Whipray basin. The core has a top mixed layer to 12 cm representing the past â15-20 years; below this, the -'"Pb-determined sediment accumulation rate is cm/year until reaching equilibrium at 40 cm. Below this level, the material is too old for -'"Pb dating. The Table 1.âCore site information for South Florida paleoecology of ostrac
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