. Cooperative Gulf of Mexico estuarine inventory and study, Florida / J. Kneeland McNulty, William N. Lindall, Jr., and James E. Sykes. Estuarine biology Location, depth, construction materials, spon- sor, and date of construction of reefs are listed below. 1. Sarasota Bay, 1 nautical mile ( km) west of Bolees Creek; depth 9 ft ( m); tire-con- crete units (Woodburn, 1966); sponsored by Manatee County, 1964-65. 2. Manatee River, 100 yards (91 m) south of Snead Point; depth 15 ft ( m); tire-concrete units (Woodburn, 1966); sponsored by Manatee County, 1964. 3. Tampa Bay, n
. Cooperative Gulf of Mexico estuarine inventory and study, Florida / J. Kneeland McNulty, William N. Lindall, Jr., and James E. Sykes. Estuarine biology Location, depth, construction materials, spon- sor, and date of construction of reefs are listed below. 1. Sarasota Bay, 1 nautical mile ( km) west of Bolees Creek; depth 9 ft ( m); tire-con- crete units (Woodburn, 1966); sponsored by Manatee County, 1964-65. 2. Manatee River, 100 yards (91 m) south of Snead Point; depth 15 ft ( m); tire-concrete units (Woodburn, 1966); sponsored by Manatee County, 1964. 3. Tampa Bay, nautical miles ( km) east of downtown St. Petersburg; depth 17 ft ( m). 4. Pensacola Bay, off Escambia County end of old bay bridge that is converted to a fishing pier by removal of center span; 18 ft ( m); metal junk; sponsored by Fiesta of Five Flags Asso- ciation. Two comprehensive guides to the design, con- struction and use of artificial reefs are those of Carlisle, Turner, and Ebert (1964) and Unger (1966). Diver-scientists documented the attrac- tion of bait fish and jacks to artificial structures in shallow coastal waters off Panama City, Fla. The structure that attracted most fish was shaped like a pup tent—geometrically, a right prism—and was suspended at mid-depth (Klima and Wickham, 1971). POPULATION The 1970 census showed that Americans con- tinued to move toward warmer climates and to- ward the shore. The trend is illustrated vividly by total population of the counties bordering estuaries of the Florida Gulf coast. 1930 . 614,616 1940 847,896 1950 . 1,338,359 1960 . .2,448,210 1970 3,320,226 The year 1930 is listed first, above, because the census of 1930 was the first to include all of the counties under consideration. We have compiled the available population data by county, city, and estuarine study area (Table 5). Note that Dade County is included because it borders Florida Bay. Figure 38 illustrates the distribution of pop- ulation in 1960. P
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