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<br />-:, <br /> <br />/ <br /> <br />~.~ . <br /> <br />Arizona Game and Fish Department <br />Biological Evaluation: Kanab Ambersnail <br /> <br />July 1998 <br />Page 25 <br /> <br />Site 3: Upper Elv,," Chum (above sawgru. pslcb) <br /> <br />Description: large hinging gardem, pbmge pools, <br />wolerfalls, snd streamIide vegetation. <br /> <br />Jumdiction: NPS-Gnnd Canyon Nllional Pari< <br /> <br />Surveyed: April 16, 1997 <br /> <br />Site Aspect: oortheul <br />Solar Exposure: mid-day (Apr-Auc) <br />Annual BTUslsq It: TT ,633 <br /> <br />Water I>ischar1le (m'/s): 0.002-C.02 range'. 2. , <br />Ilisloric Max Disdlarge: unknowo <br />Water Temp ("C): 16.3 (minimax 8.0-21.5)'.2.' <br />Conductivity ~: 780 (minimax 620-1050)'.2. '.' <br />Water pH: 8.2 mediIn (minimax 6.7-9.0)'.2.'.' <br /> <br />Natural Disturbance PoteDlial: moderate <br />Natural Impact Evidence: flub flood debn., minor <br />rockfal1, snd downed/scoured veg <br />Other Disturbances: none <br /> <br />Location: Gnnd Canyon, river corridor <br />Coconino Couoly, Ariz.ooa <br />River Mile: 116.6 RL (187.6 Ian) <br />Elevation: 902 m <br />urM: N400S7SO, E369300 <br />7.5miD Topo Quad: Exploren MOIIIUOllOl <br /> <br />Aa:essibility: difIicuh-boat, hike, snd climb <br /> <br />Geologic: StnIIlI: Bright Angel Shale <br />Predominant Substrate: lOilIloIm <br />LitterIDutf: high deosity <br /> <br />Soil Temp ("C): 11.0 mediIn (minimax 10.0-13.5) <br />Soil Moisture (~ sat): 79 med (minimax 65-1(0) <br />Soil pH: 6.7 median (minimax 6.5-7.1) <br />Soil Depth (an): 15 mediIn (minimax 1.5-15) <br />Slope (dellrees): 14 mediIn (minimax 8-30) <br /> <br />li'd"hnGt....llec:reatiooal Use: low <br />Recreation Impa&:t Evidence: minor lIampled veg <br />NPS ReaelIDon J(mmllt.: 50-70 visitonlday (lower <br />area)'; upper..... maybe 5-7 visilon/day' <br /> <br />Primary Vegetation" E.mmA'..! Area: Mimulu.r cardinalir (> 200 m') <br /> <br />As~A'od Vegetation: Adiantum capillus-veneris. Aquilegia chrysanJlra. Carcx .pp., Ceris occidmlalis, ClaJium <br />caJifomicum, IDOIII .pp. <br /> <br />MoUusks: nooe <br /> <br />Other Invertebrates: arochnids-(undescribed sp.): coleoptenns-Scarabaeidae: diptennl-Chironomidae, S;"",];V1oA <br /> <br />Site SIatus: sa-ide vog dnotalod by flash flood m,p.ct, but hinging prd_ " primary vegetation an upper .Iopeo <br />probably protected. Upper..... not visited by many hiken due to restricted 1CCelII~limbing -118I)'.' <br /> <br />KAS Establishment Recommendation: Acceptable habitat. <br /> <br />References: 'Johnson snd Sandenon 1968: 2 unpublished NPS daIa (Ribs 1996)~ Spsmer snd Bogan 1993! Cole and <br />Kubly 1976; 'Foust and Hoppe 1985: 'unpublished NPS daIa (Jalbert 1997); 'pen. comm. D. Pralley (1997). <br /> <br />'- <br />