Urban Streams
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GLOSSARY

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R

  • reach
    A section of a stream or river with homogeneous characteristics.

  • redd
    A gravel nest salmon or trout build in which to lay their eggs.

  • restoration (of habitats)
    The treatment or clean-up of fish habitat that has been altered, disrupted or degraded - for the purpose of increasing its capability to sustain a productive fisheries resource. (DFO Policy for the Management of Fish Habitat, 1986)

  • riffle
    Relatively fast flowing shallow water in a stream, where an uneven streambed produces surface agitation.

  • riparian
    The land area adjacent to the high water level of a stream or waterbody, and extending to land directly influenced by the presence of adjacent pond, ground or channeled water.

  • rip rap
    Broken rocks used to build or reinforce stream banks.

  • runoff
    Rain fall or snow melt which flows over the ground surface.