The ecology of the Apalachicola The ecology of the Apalachicola Bay system : an estuarine profile ecologyofapalach00livi Year: [1984] ChoMohoochee River COAST Figure 1. Location of the tri-river drainage system in the southeastern United States showing the relative positions of upland features and the Apalachicola estuary. A detailed review of the dimensions of the Apalachicola Bay system (^QOis'n to ?9055'N; 84O20'W to 85O?0'W) (Figure ?) is given by Livingston (1980a). This system is composed of six major subdivisions: 3,Q81 ha (9,837 acres) ?0,959 ha East Bay Apalachicola Bay ('51,792 ac
The ecology of the Apalachicola The ecology of the Apalachicola Bay system : an estuarine profile ecologyofapalach00livi Year: [1984] ChoMohoochee River COAST Figure 1. Location of the tri-river drainage system in the southeastern United States showing the relative positions of upland features and the Apalachicola estuary. A detailed review of the dimensions of the Apalachicola Bay system (^QOis'n to ?9055'N; 84O20'W to 85O?0'W) (Figure ?) is given by Livingston (1980a). This system is composed of six major subdivisions: 3,Q81 ha (9,837 acres) ?0,959 ha East Bay Apalachicola Bay ('51,792 acres) St. Vincent Sound 5,'^40 ha (13,689 acres) West St. George Sound (to Dog Island) 14,747 ha (36,440 acres) East St. George Sound 16,016 ha (39,576 acres) Alligator Harbor 1,637 ha (4,045 acres) The entire area totals 6?,879 ha (155,374 acres). A natural shoal forms a submerged boundary between Apalachicola Bay and St. George Sound. The bay is bounded on its extreme southern end by three barrier islands: St. Vincent, St. George, and Dog Island. There are four natural openings to the gulf: Indian Pass, West Pass, East Pass, and a pass between Dog Island and Alligator Harbor. A man-made opening (Sike's Cut) was established in the western portion of St. George Island. The (12-ft-) deep Intracoastal Waterway extends northwestward from St. George Sound through Apalachicola Bay, up the Apalachicola River to Lake Wimico and then along an artificial channel to St. Andrews Bay to the west. The Apalachicola estuary is a lagoon and barrier island complex. It has been classified as a shallow coastal plain estuary oriented in an east-west direction (Dawson 1^55). Because of the placement of the barrier island complex, it coul'^ be called a coastal lagoon. The average depth is between 7 and 3 m at mean low tide (Gorsline 1^163). In terms of Pritchard's (1^67) estuarine classification scheme, the Apalachicola Bay system is a width- dominated estuary controlled by lunar tides and win
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