Vantage to Pomona FEIS Index 34 - Laserfiche WebLink

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Vantage to Pomona Heights Chapter 3 230 kV Transmission Line Project FEIS Affected Environment PAGE 3-267 segment. The majority of Route Segment 1c is classified as FRCC 2 (65 percent) and is within Fire Regime Group III (73 percent). 3.12.4.4 Route Segment 2a Fire history records indicate that no recent fires have occurred along Route Segment 2a. The most common vegetation types in Route Segment 2a are annual grassland (64 percent) and sagebrush/perennial grassland (23 percent), with lesser amounts of perennial grassland (six percent) and agriculture (four percent). The majority of Route Segment 2a is classified as FRCC 2 (87 percent) and is entirely within Fire Regime Group III (100 percent). 3.12.4.5 Route Segment 2b Several fires have occurred along Route Segment 2b, including the Dry Creek Complex that burned over 48,000 acres in 2009 and a 2,633-acre fire that burned within JBLM YTC in 2013. The Range 12 Fire of 2016 burned approximately 175,000 acres in areas located in Yakima and Benton counties, Washington. This fire burned approximately 13.2 miles along Route Segment 2b. The most common vegetation types for Route Segment 2b are sagebrush/perennial grassland (60 percent), annual grassland (20 percent), and agriculture (15 percent), with lesser amounts of perennial grassland (five percent). This route segment parallels a portion of JBLM YTC’s fire break. The majority of Route Segment 2b is classified as FRCC 2 (91 percent) and is within Fire Regime Group III (96 percent). 3.12.4.6 Route Segment 2c Three fires have occurred within the Project study area along Route Segment 2c. The 2009 Dry Creek Complex fire occurred near and within the eastern end of this route segment and a smaller fire (2,633 acres) occurred within the JBLM YTC boundary in 2013. The Range 12 Fire of 2016 burned approximately 15.2 miles along Route Segment 2c. The most common vegetation types in Route Segment 2c are agriculture (42 percent), annual grassland (28 percent), and sagebrush/perennial grassland (27 percent). The majority of Route Segment 2c is classified as FRCC 2 (76 percent) and is within Fire Regime Group III (95 percent). 3.12.4.7 Route Segment 2d The entire segment of Route Segment 2d occurs within the fire perimeter of the 2009 Dry Creek Complex fire. Additionally, the Range 12 Fire of 2016 burned approximately 4.5 miles along Route Segment 2d. Route Segment 2d is nearly entirely dominated by sagebrush/perennial grassland (90 percent), with lesser amounts of perennial grassland (five percent) and annual grassland (two percent). The majority of Route Segment 2d is classified as FRCC 2 (71 percent) and is within Fire Regime Group III (75 percent). 3.12.4.8 Route Segment 3a Route Segment 3a is a short segment with no history of recent fires. Route Segment 3a is nearly entirely dominated by sagebrush/perennial grassland (97 percent). The majority of Route Segment 3a is classified as FRCC 3 (45 percent) or FRCC 2 (37 percent) and is within Fire Regime Group III (60 percent). 3.12.4.9 Route Segment 3b Portions of this route segment burned in the late 1990s, 2004, and the 2009 Dry Creek Complex fire. In addition, the western edge of this route segment within the JBLM YTC has experienced an active fire history. A 23,261-acre fire started within the JBLM YTC boundary in 2014 and burned the northern portion of Route Segment 3b. The most common vegetation types for Route Segment 3b are sagebrush/perennial grassland (55 percent), open water/canal (25 percent), and perennial grassland (13 percent), and agriculture (three percent). A small section of this route segment also crosses basalt cliffs (0.1 percent). The majority of Route Segment 3b is classified as FRCC 2 (28 percent) or FRCC 3 (23 percent) and is within Fire Regime Group III (40 percent) or Fire Regime Group IV (32 percent).