Biological Filter
     The use of vegetation and micro-organisms to remove pollutants from water.

Culverts
     A conduit (channel, pipe) used to enclose a flowing body of water. It may be used to allow water to pass underneath a road, railway, or embankment for example.

Endangered Species
     A species whose numbers are so small that the species is at risk of becoming extinct.

Engineered Hardscape
     A hard landscape consisting of structures, such as retaining walls, walkways, concrete channels, built with hard materials such as rock, concrete, bricks, etc.

Midges
     Diverse, small, two-winged flies that make up several families of Nematoceran (primitive flies) and Diptera (true flies).

Mites
     Tiny invertebrates more closely related to spiders and ticks.

Mitigate
     To fix, repair, restore, replace.

Riparian
     Is made up of plants which grow near streams and lakes.

Run-off
     Water that travels downhill.

Rush
     A family of flowering, water-loving plants that resemble grasses.

Threatened Species
     A species that is likely to become endangered in the near future.

Tributary
     A stream that flows into a larger stream or body of water.

Tributary Area
      The area drained by a river or body of water.

Upland Buffer
     A protective strip of native vegetation located between developed land and a lake, stream or wetland.

Watershed
     A geographic area that shares the same drainage such as a creek or river.

Wetlands
     A lowland area, such as a marsh or swamp, that is saturated with moisture.

Wildlife Movement Corridor
     A relatively narrow passage through which wildlife moves on a daily and/or seasonal basis.