Volume 2: Draft Gorst Planned Action Environmental Impact Statement

GORST PLANNED ACTION EIS | AFFECTED ENVIRONMENT, SIGNIFICANT IMPACTS, AND MITIGATION MEASURES3.4 Plants and AnimalsAffected EnvironmentWatershedThe Gorst Creek Watershed provides habitat for terrestrial and aquatic plant and animal species. It includes variousterrestrial habitats, the marine nearshore habitat of the Puget Sound (including estuarine wetlands), freshwaterwetlands, and stream channels. Figure 3.4-1 Gorst Creek Watershed: Land Cover shows the land cover types andundeveloped/developed land that occur within the watershed, based on USGS land cover mapping data. Table 3.4-1 Land Cover Types within the Gorst Creek Watershed and the Gorst UGA summarizes this information for thewatershed and the UGA.Table 3.4-1Land Cover Types within the Gorst Creek Watershed and the Gorst UGALand Cover Type Acreage in Watershed 1 Acreage in UGAEvergreen Forest 3,381 4Mixed Forest 638 23Deciduous Forest 290 33Shrubland 211 1Grasslands, herbaceous 161 21Woody Wetlands 95 9Emergent, Herbaceous Wetlands 42 14Bare Rock 34 4Open Water 13 0Total Undeveloped 4,865 109Developed, Open Space 788 50Developed, Low Intensity 335 58Developed, Medium Intensity 129 63Developed, High Intensity 55 48Total Developed 1,307 219Total 6,172 328Note:1 Watershed refers to the entire Gorst Creek Watershed, inclusive of the UGA.Source: USGS Land Cover Data (Homer et al. 2007)Draft | June 2013 3-54