Riparian Areas: Streams and Wetlands
Riparian Habitat
Riparian zones are areas that surround water sources, such as streams and ponds. They support high soil moisture and associated moisture-loving vegetation. These areas of high biodiversity often provide necessary elements for wildlife survival—food, water, and cover—in the same location.
Photos by: Kevin Zobrist, Washington State University
Riparian management
The most important consideration in riparian zone management is avoiding bank erosion. Erosion occurs primarily because of vegetation removal through construction and landscaping. When vegetation is removed the resulting changes in water flow (ex. flooding), water temperature, and water chemistry may harm fish, aquatic invertebrates, amphibians, and some songbirds. Riparian plants also serve as filters for any soil, pesticides, or fertilizers entering into the stream. Here are a few things you can do to protect your important riparian areas:
Promote and/or plant native riparian plants 
Important riparian species in E WA:
Black cottonwood Golden currant
Willow Tufted hairgrass
Red-osier dogwood Snowberry
Quaking aspen Woods’ rose
Take care of plants and the streamside
- Promote dense vegetation to reduce runoff and trap contaminants
- Learn about native plants and use them when appropriate
- Leave wood and other natural materials in streams
- Don’t straighten channels or place rubble or rip-rap in streams
- Leave as wide a vegetation buffer as possible next to the stream
For more information about protecting riparian areas:
Life of the edge: Improving riparian function
Taking care of streams in Eastern Washington, eastern Oregon and Idaho: a landowner’s guide
Taking care of streams in Eastern Washington, eastern Oregon and Idaho: a homeowner’s guide
Source: Taking care of streams in Eastern Washington, eastern Oregon and Idaho: a homeowners guide. PNW 557
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