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Coconino National Forest Watershed Vulnerability Assessment, Southwest Region (R3) Figures 4 a-b. Historic and existing distribution of selected aquatic species on the Coconino NF Native Aquatic Species The CNF supports a wide variety of native aquatic species. The distribution of these species has been greatly reduced due to water development, degraded habitat, and invasive non-native species (see Figures 4 a-b). Species in the analysis include both native warm water fishes and herpetiles. The CNF is home to an extensive list of Threatened, Endangered and Sensitive (TES) fish species. The fisheries biologist selected four fish species for inclusion in the analysis, all of which are currently present in subwatersheds within the analysis area (rather than downstream). The species selected for inclusion are listed in Table 2. Several are listed under the Endangered Species Act, and on the CNF, some are currently found only in the analysis area. Four other listed, candidate or species of concern were included as resources in initial assessment efforts but not carried forward due to their very limited distribution and co-location with other species. These were Gila Trout (re-introductions of the species on CNF have been discussed), Red Rock Stone fly, and the Fossil Springs and Page Springs spring snails. 134 Assessing the Vulnerability of Watersheds to Climate Change
Coconino National Forest Watershed Vulnerability Assessment, Southwest Region (R3) Species Species Status Amphibian Species Chiricahua Leopard Frog Threatened Lowland Leopard Frog Sensitive Northern Leopard Frog Sensitive Arizona Toad Sensitive Reptiles Species Narrow-headed Garter Snake Sensitive Mexican Garter Snake Sensitive Warm Water Fish Species Little Colorado Spine Dace Threatened Gila Chub Endangered Loach Minnow Threatened Spikedace Threatened Table 2. Aquatic species (and their status) included in the analysis For the analysis, resource value was rated based on the number of herpetile species present in each watershed. Likewise, the number of the four warm-water fish species found in each subwatershed was used to rate the resource value. Results of these ratings are shown in Figures 5 a-b. 135 Assessing the Vulnerability of Watersheds to Climate Change
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Coconino National Forest Watershed Vulnerability Assessment, Southwest Region (R3)<br />
Species Species Status<br />
Amphibian Species<br />
Chiricahua Leopard Frog Threatened<br />
Lowland Leopard Frog Sensitive<br />
Northern Leopard Frog Sensitive<br />
Arizona Toad Sensitive<br />
Reptiles Species<br />
Narrow-headed Garter Snake Sensitive<br />
Mexican Garter Snake Sensitive<br />
Warm Water Fish Species<br />
Little Colorado Spine Dace Threatened<br />
Gila Chub Endangered<br />
Loach Minnow Threatened<br />
Spikedace Threatened<br />
Table 2. Aquatic species (and their status) included in the analysis<br />
For the analysis, resource value was rated based on the number of herpetile species present in each<br />
watershed. Likewise, the number of the four warm-water fish species found in each subwatershed was<br />
used to rate the resource value. Results of these ratings are shown in Figures 5 a-b.<br />
135 Assessing the Vulnerability of Watersheds to Climate Change