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Kittitas County,WA <br /> § 17A.02.680 CRITICAL AREAS § 17A.02.720 <br /> § 17A.02.680. Setback. <br /> "Setback"means the distance a building or structure is placed from a specified limit such as a lot line or a <br /> critical area buffer. <br /> (Ord. 2021-016,2021) <br /> § 17A.02.690. Shorelines of the state. <br /> "Shorelines"means all of the water areas of the state,including reservoirs,and their associated shorelands, <br /> together with the lands underlying them; except(i) shorelines of statewide significance; (ii) shorelines on <br /> segments of streams upstream of a point where the mean annual flow is twenty cubic feet per second (20 <br /> cfs)or less and the wetlands associated with such upstream segments; and(iii)shorelines on lakes less than <br /> twenty(20)acres in size and wetlands associated with such small lakes. <br /> (Ord. 2021-016,2021) <br /> § 17A.02.700. Shorelines of statewide significance. <br /> "Shorelines of statewide significance"means the shorelines identified in RCW 90.58.030 which because of <br /> their elevated status require the optimum implementation of the Shoreline Management Act's policies.This <br /> includes all rivers with a mean annual flow of greater than two hundred cubic feet per second(200 cfs)and <br /> lakes with surface areas of one thousand(1,000)acres or more. <br /> (Ord. 2021-016,2021) <br /> § 17A.02.710. Shrub-steppe. <br /> "Shrub-steppe"is a nonforested vegetation type consisting of one or more layers of perennial bunchgrasses <br /> and a conspicuous but discontinuous layer of shrubs (see Eastside Steppe for sites with little or no shrub <br /> cover). Although Big Sagebrush (Artemisia tridentata) is the most widespread shrub-steppe shrub, other <br /> dominant (or co-dominant) shrubs include Antelope Bitterbrush (Purshia tridentata), Threetip Sagebrush <br /> (A. tripartita), Scabland Sagebrush (A. rigida), and Dwarf Sagebrush (A. arbuscula). Dominant <br /> bunchgrasses include (but are not limited to) Idaho fescue (Festuca idahoensis), Bluebunch Wheatgrass <br /> (Pseudoroegneria spicata), Sandberg Bluegrass (Poa secunda), Thurber's Needlegrass (Achnatherum <br /> thurberianum), and Needle-and-Thread (Hesperostipa comata). In areas with greater precipitation or on <br /> soils with higher moisture-holding capacity, shrub-steppe can also support a dense layer of fortis (i.e., <br /> broadleaf herbaceous flora). Shrub-steppe contains various habitat features, including diverse topography, <br /> riparian areas, and canyons. Another important component is habitat quality (i.e., degree to which a tract <br /> resembles a site potential natural community),which may be influenced by soil condition and erosion; and <br /> the distribution, coverage, and vigor of native shrubs, forbs, and grasses. Sites with less disturbed soils <br /> often have a layer of algae,mosses,or lichens.At some more disturbed sites,non-natives such as Cheatgrass <br /> (Bromus tectoruln) or Crested Wheatgrass (Agropyron cristatum) may be co-dominant species. Fire <br /> disturbance is an ecological component of shrub-steppe. Shrub-steppe disturbed by fire may lack the <br /> aforementioned habitat components during periods of post-fire recovery. <br /> (Ord. 2021-016,2021) <br /> § 17A.02.712. Significant Adverse Impact. <br /> "Significant Adverse Impact"means a reasonable likelihood of more than moderate adverse impact <br /> on environmental quality. <br /> § 17A.02.715. Site Potential Tree Height(SPTH). <br /> "Site potential tree height" or"SPTH" is the average maximum height of the tallest dominant trees (200 <br /> years or more in age)for a given area. <br /> (Ord. 2021-016,2021) <br /> Downloaded from https:Hecode360.com/KI6857 on 2025-05-15 <br />