Final Environmental Impact Statement

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Vestal Final Environmental Impact Statement Chapter 5 206 However, deviations must be shaped and blended with the natural terrain so that elements such as unnatural edges, roads, landings, and structures do not dominate the composition. Unacceptable Low: A scenic integrity level that refers to landscapes where the valued landscape character being viewed appears extremely altered. Deviations are extremely dominant and borrow little if any line, form, color, texture, pattern, or scale from the landscape character. Landscapes at this level of integrity need rehabilitation. This level should only be used to inventory existing integrity. It must not be used as a management objective. Sediment Displaced soil material suspended in water or that has been deposited in streams and lakes. Sensitive Species Those plant and animal species identified by the Regional Forester for which population viability is a concern, as evidenced by significant current or predicted downward trends in population numbers or density; or significant current or predicted downward trends in habitat capability that would reduce a species' existing distribution. Severely Burned Soil A condition in which most woody debris and the entire forest floor is consumed down to bare mineral soil. Soil may have turned red due to extreme heat. Also, fine roots and organic matter are charred in the upper one-half inch of mineral soil. SHPO (See "State Historic Preservation Officer.”) Silvicultural System A management process that tends, harvests, and replaces forests, resulting in a forest of distinctive form with a desired condition. Silviculture Generally, the science and art of tree management, based on the study of the life history and general characteristics of forest trees and stands, with particular reference to local factors; more particularly, the theory and practice of controlling the establishment, composition, constitution, and growth of forests for desired conditions. Site An area considered in terms of its physical and/or biological environment; for example, a riparian zone, a homogenous stand of vegetation, or a campground. Skid Trail Any way, more or less prepared, over which logs are dragged. Any road or trail leading from stump to landing. Skidding Moving logs from the stump to a collecting point.
Vestal Final Environmental Impact Statement Chapter 5 Slash Snag The residue left on the ground after harvesting, sanitation operations, windstorm, or fire. It includes such material as unutilized logs, uprooted stumps, broken or uprooted stems, tops, branches, and leaves. Standing dead tree or standing portion from which at least the leaves and smaller branches have fallen; often called a stub if it is less than 20 feet tall. Soil Productivity The inherent capacity of a soil to support the growth of specified plants, plant communities, or a sequence of plant communities. Soil productivity may be expressed in terms of volume or weight/unit area/year, percent plant cover, or other measures of biomass accumulation. Standard Mandatory courses of action; any deviation from standards requires amendment of the LRMP. Stand A community, particularly of trees, possessing sufficient uniformity as regards to vegetation type, age class, risk class, vigor, size class, and stocking class that distinguishes it from adjacent communities and thus forms a management or silvicultural unity. Within a stand, a dominant or primary species and age class is identifiable, but there may be inclusions or clusters of different species or ages. R2 RIS stands are typically greater than 10 acres. IRI stands are typically greater than 5 acres. Stand-replacing Fire A fire that kills all or most living overstory trees in a forest and initiates secondary succession or regrowth. State Historic Preservation Officer (SHPO) A person appointed by a state's governor to administer the State Historic Preservation Program. Stream Health The condition of a stream relative to robust health for that stream type and landscape, considering indicators such as channel pattern; slope; particle size; pool frequency and depth; bank vegetation; and woody debris that reflect the stability and habitat quality of the stream. Stream Level A classification of the relative position of streams in a channel network. Firstlevel streams drain into the ocean. Second-level streams are tributaries to the first-level streams. For example, the Mississippi is a first-level stream; the Missouri is a second-level stream. Structural Stages (Vegetation) Any of several developmental stages of tree stands described in terms of tree size and the extent of canopy closure they create. They include: 207
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Final Environmental Impact Statement

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