Final Environmental Impact Statement
Final Environmental Impact Statement
Final Environmental Impact Statement
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Vestal <strong>Final</strong> <strong>Environmental</strong> <strong>Impact</strong> <strong>Statement</strong> Chapter 5<br />
Trail<br />
A general term denoting a way usually less than 50 inches wide for purposes of<br />
travel by foot, stock, or trail vehicle.<br />
Transportation System<br />
All roads needed to manage and administer Forest resources. A road network.<br />
Travel Corridor<br />
A strip of land that includes up to a maximum of 1,000 feet for major roads<br />
(500 feet either side of the road's centerline) or 500 feet for major trails (250 feet<br />
either side of the trail's centerline); travel corridors form a passageway that allows<br />
travelers to experience and interact with the quality and character of the<br />
landscape.<br />
Travel Management<br />
Travel management is the movement of people and products to and through<br />
national forests and grasslands. It connects many different varieties of users and<br />
multiple uses on National Forest System (NFS) lands.<br />
Understory<br />
The lowest layer of vegetation in a forest or shrub community composed of grass,<br />
forbs, shrubs, and trees less than 10 feet tall. Vegetation growing under the tree<br />
canopy.<br />
Values, Values at Risk (Fire Management)<br />
Any or all natural resources, improvements, or other values that may be<br />
jeopardized if a fire occurs.<br />
Water Influence Zone (WIZ)<br />
The land next to water bodies where vegetation plays a major role in sustaining<br />
long-term integrity of aquatic systems. It includes the geomorphic floodplain<br />
(valley bottom), riparian ecosystem, and inner gorge. Its minimum horizontal<br />
width (from top of each bank) is 100 feet or the mean height of mature dominant<br />
late-seral vegetation, whichever is most.<br />
Watershed<br />
The area of land bounded by a divide that drains water, sediment, and dissolved<br />
materials to a common outlet at some point along a stream channel or to a lake,<br />
reservoir, or other body of water. Also called a drainage basin or catchment.<br />
Watershed Conservation Practices (WCPs)<br />
Are stewardship actions based upon scientific principles and legal requirements to<br />
protect soil, aquatic and riparian resources. Each watershed conservation practice<br />
consists of a management measure, a set of design criteria used to achieve the<br />
management measure, and guidance for monitoring and restoration.<br />
Watershed Level<br />
The number assigned to an entire drainage basin contributing to the stream<br />
segment of a given level and bearing an identical designation; for example, a firstlevel<br />
watershed contains all the drainage area of a first-level stream (See “Stream<br />
Level.”)<br />
Waters of the United States<br />
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