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| water that infiltrates through the ground and is stored in spaces in soil and rock | ||
| found below the water table | ||
| water that does not sink into the ground or evaporate into the air | ||
| precipitation that does not return to the atmosphere by evaporation or infiltrate into the ground | ||
| land from which surface water drains into a river, lake, wetland, or other body of water | ||
| the total amount of freshwater removed from rivers, lakes, or aquifers for any purpose | ||
| water that does not return to its original source; although most makes it back into the hydrologic cycle | ||
| temporary or no removal of water | ||
| ____% of water is used for cities and residences | ||
| ____% of water is used for industries | ||
| ____% of water is used for irrigation | ||
| the process of removing dissolved salts form ocean water and brackish water from aquifers and lakes | ||
| one technique for removing salt: heating saltwater until it evaporates, leaving salt in solid form and freshwater as condensation | ||
| uses high pressure to force saltwater through a membrane filter with small pores that cause salt to be left behind | ||
| wasteful technique in which water flows by gravity through unlined ditches into crop fields | ||
| pollutants are discharged at specific locations through drain pipes, ditches, and sewer lines into bodies of surface water | ||
| scattered and diffuse sources of pollution that cannot be traced to any single site of discharge | ||
| human activities accelerate the input of plant nutrients (mostly nitrate- and phosphate-containing effluents) to a lake | ||
| when it is no longer profitable to fish a certain species | ||
| protects over 30,000 species (aquatic and terrestrial), conditions for imports/exports | ||
| prohibits take of ALL mammal species in U.S. waters and by U.S. citizens in international waters; prohibits all imports of marine mammals and products | ||
| National Marine Fisheries Service compiles and lists all endangered marine species, U.S. Fish and Wildlife Services does aquatic species; any decision to add or remove a specie must be based only on biological factors, not political or economic ones | ||
| offshore fishing zone extends to 370 km into open ocean | ||
| water beyond exclusive economic zones | ||
| established by the IUCN in 1986, protects marine areas from some human activities | ||
| no extraction or alteration of any living or nonliving resource; shown to result in increased fish population, larger fish size, increased reproduction rates and biodiversity; works in 2-4 years | ||
| define what can and can't occur (Barrier Reef) | ||
| used to catch fish and shellfish that live on or near ocean floor | ||
| used for surface-dwelling fish like tuna, mackerel, anchovies, and herring | ||
| nets up to 130 km long are put out and hung with baited hooks, adjusted to desired depth | ||
| nets up to 130 km/80 mi long hung up to 2500 m below the surface, trap everything that comes near, not checked frequently | ||
| strategy that involves citizen groups, communities, state legislature, and federal government | ||
| a bloom or red/brown/green algae that are created by nitrates and phosphates | ||
| regulates discharge of pollution into U.S. waterways; sets water quality levels to ensure that water is safe for fishing and swimming; restores and maintains chemical, physical, and biological integrity of the nation's water; sets water quality standards for specific pollutants... |
