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Show Table 7. GSL Island Management, Acreages, Public Access and Wildlife Use Island Name Managing Agency Acreage Public Access Wildlife Use Antelope Island DPR 28,240 Yes Antelope, bison, deer, bighorn sheep, many birds and other wildlife species Stansbury Island BLM/ Private 22,314 Partial Fremont Island Private 2,945 No Unknown Carrington Island BLM/ Private 1,767 Yes Gunnison Island DWR 163 No Pelican rookery, gulls Dolphin Island Sovereign Land 60 Yes Bird or Hat Island DWR 22 No Gull and heron rookery Badger Island Sovereign Land 6 Yes Cub Island BLM 1 Yes Egg Island Sovereign Land 1 Yes Gull rookery closed 4/ 1- 7/ 31 White Rock Island Sovereign Land 1 Yes Gull rookery closed 4/ 1- 7/ 31 Census work by DWR will better define wildlife use on the islands in the lake. Dependent upon lake elevation, there may be more or fewer islands than those listed above. Changes in Lake Brine Salinities Segregation of Great Salt Lake Waters into Distinct Salinity Areas The waters of GSL are segregated into four areas of different salinity. ( Bear River Bay, Farmington Bay, Gilbert Bay and Gunnison Bay) Each is influenced by differing water inflow and evaporation regimes, which results in changes to lake elevation and salinity. In this discussion, the south arm of the lake is different from Farmington Bay and Bear River Bay. Salinities in the south arm have ranged from 5- 21 percent in recent times. In August 1999, salinity is approximately 8 percent. It is this portion of the lake that is being harvested for brine shrimp and supports abundant bird populations. Farmington Bay is that portion of the lake east of Antelope Island and isolated from the rest of the lake by the Davis County Causeway and the Antelope Island Southern Causeway. Salinities of Farmington Bay fluctuate substantially due the inflow of freshwater from the Jordan River, and the causeway- inhibited exchange of salt water from the south arm. Salinity values have ranged from 2- 6 percent in recent times. Commercial harvesting of brine shrimp is prohibited in 94 |