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watershed vocabulary
| Term | Definition |
|---|---|
| biotic factors | living organisms in the environment, such as plants and animals |
| abiotic factors | non living physical features of the environment, such as water, soil, sunlight, landforms, and temperature |
| topography | surface features of a region, including hills, streams, valleys, lakes, bridges, tunnels, and roads |
| watershed | land that water flows across or through on its way to a river or other body of water |
| wetlands | transition zone between dry land and bodies of water |
| tributaries | streams and rivers that supply larger bodies of water |
| esturary | an area where fresh water and salt water mix |
| bay | an inlet that leads into the sea |
| marsh | a low, wet grassland with no trees |
| sediment | particles that collect on the bottom of a waterway |
| floodplain | area along river banks that form from sediments deposited when a river overflows its banks |
| delta | fan shaped mass of material deposited at the mouth of a stream |
| conservation | careful use of resources so they will last longer |
| recyle | to reuse a resource |
| fens | peat-forming wetlands that receive nutrients from sources other than precipitation |
| runoff | precipitation that flows over land into streams and river. (this water later enters oceans) |
| point-source pollution | pollution that comes from one specific site |
| non point source pollution | pollution that comes from many sources |
| permeability | the ability of rock or sediment to let fluids pass through its open spaces, or pores |