Lecture 17 Florida and World Lakes

Lecture 17 Florida and World Lakes - Florida Lakes...

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Florida Lakes
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Subsidence Sinkhole lakes The most common origin of lake formation in Florida Limestone bedrock is dissolved by acids Land subsidence into dissolved limestone cavities creates depressions filled with water
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Other Florida Lakes: Features and Types Florida has more natural lakes than any other state in the southeast
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Some of the most biologically productive systems in the world Year round growing seasons for large aquatic plants (macrophytes), as well as for microscopic primary producers (algae, phytoplankton) throughout the water column. Susceptible to invasive plant species, algae blooms and nuisance native plant overgrowth, frequently triggered by anthropogenic inputs of limiting plant nutrients . Florida’s lakes are generally shallow and warm .
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Florida Lakes are Generally Small Eighty percent of Florida's 8,000 lakes and ponds have a surface area of less than 100 acres (0.16 mi2). Thirty-one Florida lakes are greater than 5,000 acres (3 mi2) in size. Lake Okeechobee, by far the largest lake in Florida, and the 3rd largest freshwater lake contained wholly within the United States, spans more than 450,000 acres (700 mi2) of open lake
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Euphotic zone: light sufficient for photosynthesis Dysphotic Zone Rooted plants Extensive Littoral Zones and Euphotic Zones Littoral Zone: zone of rooted plants Dysphotic zone: light insufficient for photosynthesis Florida Lakes are Generally Shallow
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Florida Lake Origins and Types
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Sinkhole lakes The most common origin of lake formation in Florida Karst Landscapes
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Coastal Dune Lakes Shore currents deposit sediments along a coastal inlet or bay and the water in the inlet or bay is cut off from the sea.
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Artificial Lakes Reservoir lakes Real estate lakes Retention ponds
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Other Florida Lakes Depressions in Ancient Seabed Coastal Dune Lakes Artificial Lakes
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Ancient Intracoastal Lagoon System.
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Lecture 17 Florida and World Lakes - Florida Lakes...

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