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<br />Arizona Game and Fish Department <br />Draft EA: Kanab Ambersnail <br /> <br />KAS Site: Vaseys Paradise <br /> <br />Delcription: dilute dolomitic spring with several <br />large waterfalls and densely vegetated slopes,' <br /> <br />Jurisdiction: NPS-Grand Canyon National Park <br /> <br />Surveyed: June 16 & July 19, 1996; Mar 18.1997 <br /> <br />Site Alpect: east <br />Solar Expolure: early AM to early PM (Mar-Oct) <br />Annual BTUs/sq ft: 287.603 <br /> <br />Water Dilchallle (111'/1): 0,004-0.28 range")""" <br />Historic Mu Dischallle: unknown <br />Water Temp ("C): 15,9 (minimax 12,0-18,0)<< '.' <br />Conductivity (jJS): 308 (minimax 180-408)"" '" <br />Water pH: 8,1 median (minimax 7,4-8.3)"" ',' <br /> <br />Natural Dllturhance Potential: low <br />Natural Impact Evidence: flood debris and scomed <br />vegetation in lower habitat <br />Other Disturbances: minor beaver damage to veg <br /> <br />June 1998 <br />Page 30 <br /> <br />Location: Grand Canyon. river corridor <br />Coconino County. Arizona <br />River Mile: 31.8 RR(51.2 kID) <br />Elevation: 880 m <br />~:N4039300.E423300 <br />7.5min Topa Quad: Tatabatso Point <br /> <br />Accellibllity: easy--boat or hike <br /> <br />Geologic Strata: RedwaII Limestone <br />Predominant Subltrate: soillloam <br />UtterlDutr: bigh density <br /> <br />Soil Temp ("C): 20,2 median (minimax 10.5-26,0) <br />Soil Moisture ('Yo lat): 100 med (minimax 20-100) <br />Soil pH: 6,9 median (minimax 5,7-7.2) <br />Soil Depth (cm): 5.5 median (minimax 0-15) <br />Slope (degrees): 26 median (minimax 8-65) <br /> <br />Eltimated Recreational U Ie: moderate <br />Recreation Impact EvidenCe: minor trampled veg <br />NPS Recreation Eltimate: 20 visitors/day' <br /> <br />Primary Vegetation &: Estimated Area: Mimulu. cardinali. and Nwturtium officinale (.900 m' combined)' <br /> <br />ASlociated Vegetation: Adian/um capillus-veneri.. Artemesia ludoviciana. Brickellia longifolia. Bromu. wildenowii. <br />C arex aqua/ili.. Ceris occidentali.. Dichanthelium lanuginosum, E/ymu. canademi.. Epipactu. giganlea. Equi.etum <br />spp,. Juncu. spp" Lobelia cardinalis. Phragmi/es au.lrali.. Plan/ago lanceola/a. Polygonum amphibium. Salix <br />exiqua, S. gooddingii. Tamarix ramo~;5sima, Toxicodendron rydbergii 1, 10 <br /> <br />MoUul"': succineids--Ol}'loma hoydeni kanabemis (KaBab ambersnail)" ),11,". Ca/inella (sp, undescribed), Cavara. <br />C. venne/a; physids--Phy.a (=Phyulla) spp,; limnaeids--Fo..aria ob"...a; zonitids--Hawaiia minu.cula; Iimacids-- <br />Deroceras laeve2.) <br /> <br />Other Invertebrates: arachnids-- T etragnathidae Te/ragnatha laborio.a. Salticidae. Pseudoscorpiones Dactylochelifer <br />sp,; oligochaetes--Lumbriculu. sp,; planarians--DugeJia sp,; trematodes--Leucochloridium cyanoci/lae; coleopterans-- <br />Buprestidac Acmaeodera pulchella, Carabidae Bembidion sp,. Coccinellidae Hippodamia convergen.. Hydrophilidle; <br />coUembolids; dipterans--Chironomidae Calospeclra sp" Diamesinae, Empididae. Muscidae S/omol}" sp,. Simuliidae. <br />Stratiomyiidae Euparyphu. sp,. Tabanidae Chry.op. sp" Tachinidae, Tipulidae Tipula sp,; emphemeropterans--Bae/i. <br />spp.; hemipterans--Reduviidae. Veliidae Microvelia sp.; homopterans--Apbididae. Cicadidae Diceroproc/a apache; <br />hymenopterans--Apidae, Pompilidae Pep.i. chry.othenni.. Sphecidae Sceliphron caemon /arium; lepidopterans-- <br />Danaidae Danau. plexippu.. Nymphalidae Nymphali. an/iopa. Paragyrac/is sp,. SphingidaeHyla.linnea/a; <br />odoDatids--Coenagrionidae. Libellulidae Libellula .atura/a; ortbopterans--Gtyllidae, T ettigoniidae; trichopterans-- <br />Helicopsycbidae HelicopJ}'Che sp,. Hydropsycbidse'" <br /> <br />KAS Site: Vaseys Paradise (continued) <br />