. The ecology of the Apalachicola Bay system : an estuarine profile . Figure 47. Portions of St. George Island showing housing development and other human activities. from the mainland to St. George Island at public expense. The bridge caused the island's value as real estate to escalate tremendously. Today, portions of St. George Island are currently under consi- derable pressure for municipal development (Livingston 1976a). Based on past experience in Florida and other coastal states, the outlook for St. George Island is to be the center of the growth for Franklin County. On St. George Islan
. The ecology of the Apalachicola Bay system : an estuarine profile . Figure 47. Portions of St. George Island showing housing development and other human activities. from the mainland to St. George Island at public expense. The bridge caused the island's value as real estate to escalate tremendously. Today, portions of St. George Island are currently under consi- derable pressure for municipal development (Livingston 1976a). Based on past experience in Florida and other coastal states, the outlook for St. George Island is to be the center of the growth for Franklin County. On St. George Island, as elsewhere in the drainage area, there is a real need for planned development if the natural resources of the estuary are to be maintained. Recently, there have been a number of incidents in which oystering in the bay has been closed down because of high coliform bacteria counts (Livingston et al. 1978). This situation has caused local economic problems and represents a continuing threat to the oyster industry in the Apalachicola estuary. The combination of dredging and municipal development has led to localized pollution of portions of the estuary (Livingston 1983d). Dredged channels south of Apalachicola and East Point have acted as sinks for nutrients (nitrogen and phosphorus compounds), oils and greases, and heavy metals (Livington 1983b). Such substances have been associated with the silt (, fine) fractions of the sediments and have led to conditions of high biochemical oxygen demand (BOD). The degree of urban development, the heavy 106
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