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20 Rivers I-8 - Primary productivity(photosynthesizers...

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Weeki Wachee River U.S. 19 south
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Development Contamination by human waste
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Next: Water Quality Optional Text: Clean Water by Kenneth M. Vigil (2 nd edition)
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Floodplains and Levees
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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...
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