20 Rivers I-6 - Primary productivity (photosynthesizers)...

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Suwannee River Gradient: 0.75 ft./mile Origin: Okeefenokee Swamp Diverse Largely unspoiled
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The basin includes Lafayette and Suwannee counties, residential and commercial septic systems in rural areas about 300 row crop and vegetable farms, 44 dairies with more than 25,000 animals 150 poultry operations with more than 38 million birds
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0.1 ft/mile (1.25 in/mile) 14 ft over 134 miles Kissimmee 0.25 ft/mile (3.0 in/mile) Kissimmee – Okeechobee – Everglades
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Floodplain - area of relatively level land that is inundated from time to time by river flooding Floodplains
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A floodplain can contain up to 1000 times as many species as a river Wetting of the floodplain soil releases a surge of nutrients Floodplain Productivity and Fertility
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Unformatted text preview: Primary productivity (photosynthesizers) stimulated Microscopic organisms thrive Increase in overall productivity up the food chain Larger species enter a rapid breeding cycle. Opportunistic feeders (particularly birds) move in The surge of new growth endures for some time. Interaction of the river with the floodplain also can remove excess nutrients from the river water Floodplain utilization by waterfowl declined by 92%. Kissimmee River Channelization Stabilized water levels and reduced flow eliminated river-floodplain interactions. Stabilized water levels largely eliminated adult spawning and foraging habitat, as well as larval and juvenile refuge sites for fish on the floodplain....
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This note was uploaded on 02/17/2011 for the course SWS 2007 taught by Professor bonczek during the Fall '09 term at University of Florida.

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20 Rivers I-6 - Primary productivity (photosynthesizers)...

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