Zoology 315: Limnology Watersheds & land use Abby Popp July 5th, 2006 Watersheds Definition: Groundwater vs. topographic boundaries Land use & water quality Nutrient enrichment & agriculture: 1. Sediment and organic matter inputs 2. Stream temperature 3. Effect on speciesEffects of urbanization: 1. Altered hydrology Impermeable surfaces Storm sewers (CSOs) Results: Increased urban areas = increased surface runoff Surface runoff & sediments (Lake Wingra)Effects of urbanization (continued): 2. Limited groundwater flow 3. Pollutants Reducing effects of urbanization Increase groundwater discharge Slow surface water down Hot spots & hot moments Riparian Zones -Two processes occurring in riparian zones:BUT… Hot
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