surface water improvement and management programsurface water improvement and management program....
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Surface Water Improvement and Management Program
THEMATIC MAP ACCURACY POINTS PRESENCE ABSENCE FINAL ACCURACY
CLEARWATER/ST. JOE SOUND
PRESENCE 50 0 93.3%
ABSENCE 5 20
TAMPA BAY PRESENCE 75 0
91.5% ABSENCE 10 32
SARASOTA BAY PRESENCE 68 8
92.7% ABSENCE 1 47
LEMON BAY PRESENCE 16 1
92.0% ABSENCE 1 7
CHARLOTTE HARBOR
PRESENCE 111 3 90.5%
ABSENCE 12 32
Estuary 2016 2018 Change from 2016 to 2018
% Change
Charlotte Harbor: 20,279.7 19,715.1 -564.6 -2.8%Lemon Bay: 3,224.7 2,885.2 -339.6 -10.5%Sarasota Bay Total: 13,468.7 12,852.5 -616.2 -4.6%Clearwater/ St. Joseph Sound: 17,247.9 16,757.7 -490.2 -2.8%Tampa Bay : 41,655.2 40,651.5 -1,003.6 -2.4%
53.2
38.0
77.7
25.8
166.4
54.5
38.3
84.4
31.3
171.2
0
20
40
60
80
100
120
140
160
180
Charlotte Harbor Lemon Bay Sarasota Bay SJS/Clearwater Tampa Bay
Oyster Coverage Acres
2016 2018
Tampa Bay Segments 2016 2018Change in
Acreage 2014 to 2016
Boca Ciega Bay 0.00 0.00 0.00
Hillsborough Bay 921.20 0.00 -921.2
Lower Tampa Bay 500.37 235.44 -264.93
Manatee River 0.00 0.00 0.00
Middle Tampa Bay 279.59 77.69 -201.90
Old Tampa Bay 763.83 0.00 -763.83
Terra Ceia Bay 40.10 40.10 0.00
Tampa Bay Total: 2,505.09 353.23 -2151.86
Tampa BayTampa Bay Segments 2016 2018
Change in Acreage 2016 to
2018% Change
Boca Ciega Bay 9,070.29 9,203.86 133.57 1.5%Hillsborough Bay 2,007.18 1,463.55 -543.63 -27.1%Lower Tampa Bay 7,796.92 7,953.24 156.32 2.0%
Manatee River 723.35 719.47 -3.88 -0.5%Middle Tampa Bay 9,652.45 9,436.06 -216.39 -2.2%
Old Tampa Bay 11,146.64 10,741.06 -405.58 -3.6%Terra Ceia Bay 1,258.33 1,134.31 -124.02 -9.9%
Tampa Bay Total: 41,655.16 40,651.54 -1,003.62 -2.4%
1950 1982 1988 1990 1992 1994 1996 1999 2002 2004 2006 2008 2010 2012 2014 2016 2018
Tampa Bay Seagrass Coverage (acres)
• 2.4%
• 1,165
Tampa Bay Segments
2016 2018 Change in Acreage 2016 to
2018
% Change
Hillsborough Bay
2,007.18 1,463.55 -543.63 -27.1%
Feather Sound
Tampa Bay Segments 2016 2018
Change in Acreage 2016 to 2018
% Change
Old Tampa Bay 11,147 10,741 -406 -3.6%
Tampa Bay Segments 2016 2018
Change in Acreage 2016 to 2018
% Change
Terra Ceia Bay 1,258 1,134 -124 -9.9%
2016 2018
20182016
20182016
St. Joseph Sound & Clearwater Harbor
Clearwater/St. Joseph Sound 2016 2018Change in
Acreage 2016 to 2018
% Change
Clearwater North 3,452.2 3,204.2 -248.1 -7.2%Clearwater South 802.2 764.4 -37.7 -4.7%
St. Joseph's Sound 12,993.5 12,789.1 -204.4 -1.6%Clearwater/SJS Total: 17,247.9 16,757.7 -490.2 -2.8%
2006 2008 2010 2012 2014 2016 2018
Coastal Pinellas County Seagrass Coverage (acres)
Three Rooker Island
20182014
5400 Bays and Estuaries (Open Water) 5700 Marine (Gulf of Mexico) 6510 Tidal Flats 7210 Sand other than beaches (Submerged Sands) 6540 Oyster beds 9113 Seagrass — Patchy 9116 Seagrass — Continuous 9121 Attached Algae 0 Not Classified (land)
5400 Bays and Estuaries (Open Water) 5700 Marine (Gulf of Mexico) 6510 Tidal Flats 7210 Sand other than beaches (Submerged Sands) 6540 Oyster beds 9113 Seagrass — Patchy 9116 Seagrass — Continuous 9121 Attached Algae 0 Not Classified (land)
Charlotte Harbor Total Area 8,034.93 acres
Automated PI Difference in Area % DiffAttached Algae 0.00 0.00 0.00
Continuous Seagrass 3226.04 3234.19 8.16 0.3%Land 908.76 908.64 -0.12 0.0%Non-vegetated 132.23 0.00 -132.23Open Water 2174.72 2280.66 105.94 4.6%Oysters 2.04 6.22 4.19 67.3%Patchy SAV 177.70 0.00 -177.70Patchy Seagrass 768.70 989.65 220.95 22.3%Tidal Flats 644.74 615.55 -29.18 -4.7%
Bays and Estuaries see open water
Sand Other than Beaches Submerged See tidal flats
TOTAL AREA 8,034.93 8,034.92 0.00
Sarasota Bay Total Area 13774.16
Automated PI Difference in Area % Diff
Attached Algae 53.41 55.74 2.33 4.2%
Continuous Seagrass 1671.13 1512.10 -159.02 -10.5%
Land 5574.54 5575.05 0.51 0.0%
Non-vegetated 131.59 0.00 -131.59
Open Water 4142.67 4181.37 38.70 0.9%
Oysters 6.54 7.73 1.19 15.4%
Patchy SAV 211.59 0.00 -211.59
Patchy Seagrass 1245.03 1798.68 553.65 30.8%
Tidal Flats 737.25 643.08 -94.17 -14.6%
Bays and Estuaries see open water
Sand Other than Beaches Submerged See tidal flats
TOTAL AREA 13773.74 13773.74 0.00
Tampa Bay Total area 4364.43
Automated PI Difference in Area % Diff
Attached Algae 0.00 0.00 0.00
Continuous Seagrass 2404.18 2352.38 -51.80 -2.2%
Land 656.94 657.48 0.54 0.1%
Open Water 715.08 668.27 -46.81 -7.0%
Oysters 1.94 2.01 0.08 3.7%
Patchy Seagrass 132.83 420.08 287.25 68.4%
Tidal Flats 453.47 264.21 -189.26 -71.6%
Bays and Estuaries see open water
Sand Other than Beaches Submerged See tidal flats
TOTAL AREA 4364.43 4364.43 0.00
