Wildlife Specialist report

Wide-ranging Carnivores – Effects by Alternative
Mexican Gray Wolf (Endangered species, population on Gila designated
experimental non-essential)
Table 22: Analysis Area - Existing Condition and Proposed Change Table by
Alternative:
Mexican Grey Wolf Analysis Area --
Summary of Miles of USFS Routes and
Trails per Square Mile of USFS Jurisdiction
on 5th Code Watersheds
Existing
Effects
Miles/Sq. Mile
Alt B (No
Action)
Change in Effects
Difference in Miles/Sq. Mile from Alt B
Alt C Alt D Alt E Alt F Alt G
Avg. of FS Routes & Trails on FSPortion of All
HUCs 0.99 -0.02 -0.29 -0.40 -0.22 -0.23
Average Percent Change
-2.09% -29.03% -40.45% -22.63% -22.86%
HUC 1302020801 Puerto Viejo 271.4 Total Sq. Miles (3.1% USFS -- 0.0% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 1.66 -0.05 -0.20 -0.50 -0.20 -0.20
Percent Change -3.04% -11.93% -30.29% -11.93% -11.93%
HUC 1302020804 Alamocito Canyon 329.3 Total Sq. Miles (36.3% USFS -- 0.0% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 1.83 -0.03 -0.60 -0.78 -0.48 -0.50
Percent Change -1.58% -32.60% -42.78% -26.38% -27.47%
HUC 1302020805 Plains of San Agustin 404.7 Total Sq. Miles (20.9% USFS -- 0.0% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 1.36 -0.02 -0.34 -0.61 -0.26 -0.27
Percent Change -1.56% -24.75% -45.26% -18.96% -19.86%
HUC 1302021102 Wahoo Canyon 401.8 Total Sq. Miles (15.8% USFS -- 0.0% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.94 -0.44 -0.50 -0.48 -0.46 -0.46
Percent Change -46.70% -52.55% -51.08% -48.83% -48.83%
HUC 1303010101 Cuchillo - Negro Creek 394.3 Total Sq. Miles (30.2% USFS -- 1.0% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.64 -0.07 -0.17 -0.21 -0.15 -0.15
Percent Change -10.87% -27.11% -32.59% -23.17% -23.17%
HUC 1303010102 Palomas Creek 372.2 Total Sq. Miles (24.3% USFS -- 55.8% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.36 -0.02 -0.14 -0.16 -0.05 -0.05
Percent Change -6.46% -39.99% -45.33% -14.33% -14.33%
HUC 1303010103 Animas Creek 341.3 Total Sq. Miles (24.3% USFS -- 82.2% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.13 -0.005 -0.04 -0.04 -0.01 -0.01
Percent Change -3.62% -28.77% -28.77% -7.71% -7.71%
HUC 1303010104 Percha Creek 120.5 Total Sq. Miles (32.2% USFS -- 23.4% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.49 -0.01 -0.15 -0.17 -0.08 -0.08
Percent Change -1.90% -31.54% -35.36% -15.98% -15.98%
HUC 1303010301 Berenda Creek 355.0 Total Sq. Miles (16.6% USFS -- 0.0% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.52 0.01 -0.15 -0.15 -0.08 -0.08
Percent Change 1.93% -28.56% -28.56% -14.63% -14.63%
HUC 1303020201 Upper Mimbres River 321.7 Total Sq. Miles (73.5% USFS -- 13.5% of USFS in Wilderness)
Total FS Routes and Trails on FS Portion of HUC 0.74 0.15 -0.17 -0.32 -0.10 -0.10
Percent Change 19.72% -23.51% -43.71% -14.03% -14.01%
34