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| Area in the soil that is not filled with water, above water table |
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| Area in the soil that is filled with groundwater, below water table |
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| Underground layer of soil filled with groundwater |
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| Layer of rock or other barrier that slows orr halts underground water movement |
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| equivalent of watershed for confined aquifers, opened up by uplift, access for pollutants and water |
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| stage of water cycle in which runoff and precipitation seeps into the soil, cleans water |
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| aquifer between two layers of rock, can only be replenished by recharge zone |
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| aquifer which is open to the surface. Rrecharges faster, but more prone to pollution |
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| the barrier between the aerated and saturated zones, the level of the water |
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| the area from which water drains into the head waters of a river (giant bowl/funnel/basin) |
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| upper layer in a freshwater lake: warmer, high ph, higher do, most phytoplankton, fewer other nutrients |
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| thin barrier area between epi and hypolimnion, area of fast temp change |
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| area at bottom of lake: most nutrients from dead producers, coldest, low do, low ph, no photosynthesis |
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| shallow, near shore, where rooted plants grow, high bioversity: rooted above water (cattails, water lilies), rooted below water (muskgrass), floating plants (duckweed), ddecomposers, frogs, snails, insects, fish |
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| open, sunlit surface layer, stops at depth w/no more sun. main photosynth body, lots o phytoplank, |
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| deep, no sun, no phototsynth, low do, fish adapted dark cool water, food produced above |
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| bottom of lake, cool, low do, decomposers, snails, clams, crayfish, catfish, wormlike larvae |
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| mountainous, where water comes from, steep fast streams |
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| between mountains+plain, foot hills, wider low streams |
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| wide rivers, deltas which empty into rivers |
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| covered w/ fresh water nearly all of the time, away from coast |
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| wetland w/ trees and shrubs |
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| depressions carved out by glaciers |
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| recieve heavy water during rain, floods |
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| waterlogged soil, peat, maybe trees |
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| partially enclosed coastal, mixed fresh/salt, where river turns into ocean, ecotone, salinity varies by tide/season variations in freshwater flo/ runoff from rain, salt from typhoons, storms. Very silty, productive, |
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| breeding grounds, maintain water quality by diluting, filtering, settling silts, pollutants, recreation, absorb and buffer storm/flood damage |
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| food/habitat for 1/3 endangered us species; filter, dilute, degrad toxic wastes, excess nutrients, sediments |
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