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<br /> Appendix C. Taxa, densities of depositional-targeted habitat periphyton, and sampling date for environmental samples at sites in the Upper Colorado River Basin study unit, 1996-97-Continued <br /> [--, species not found in sample; A, abundance as cells per square centimeter; B, biovolume as cubic micrometers per square centimeter; densities and biovolumes rounded to 3 significant <br /> figures; p, <br /> micrometer; <, less than; Site abbreviations are used in this table. See table 1 for full site name] <br /> Gunn32 GunnTunn Dotsero DryFk DryCk Reed <br /> 8/96 8/96 8/96 8/96 8/96 11/96 <br /> A B A B A B A B A B A B <br /> DIVISION <br /> Family <br /> Genus species variety <br /> Navicula sp. (5 ANS WRC) <br /> Navicula stroemii 17,500 3,180,000 <br /> Navicula symmetrica 7,510 3,270,000 <br /> Navicula tantula <br /> Navicula tenelloides 15,800 735,000 <br /> Navicula tridentula <br /> Navicula tripunctata 17,400 ] 6,000,000 88,200 81,100,000 ]2,800 11,700,000 ]9,700 ]8,]00,000 21,000 19,300,000 <br /> Navicula tripunctata schizonemoides 25,000 9,770,000 63,200 24,700,000 <br /> Navicula vandamii <br /> Navicula viridula 5,820 8,920,000 3,190 4,900,000 <br /> Navicula viridula avenacea 55,100 39,500,000 16,000 11 ,400,000 2,500 1,790,000 75,000 53,800,000 1,550,000 1,110.000.000 <br /> Navicula viridula rostellata <br /> Neidium dubium 5,820 1,190,000 <br /> Pinnularia abaujensis subundulata <br /> Pinnularia appendiculata 5,010 137,000 <br /> Pinnularia kuetzingii <br /> Pinnularia subcapitata <br />VI Pinnularia subcapitata paucistriata <br />~ Pleurosigma delicatulum 2,500 42,800,000 <br /> Reimeria sinuata 151,000 30,500,000 132,000 26,700,000 31,900 6,430,000 7,900 1,590,000 <br /> Rhoicosphenia curvata 17,400 4,170,000 66,200 15,800,000 19,200 4,580,000 7,510 1,800,000 841,000 201,000,000 21,000 5,020,000 <br /> Stauroneis smithii <br /> Stauroneis tackei <br /> Nitzschiaceae <br /> Cylindrotheca gracilis <br /> Denticula kuetzingii 175,000 100,000,000 <br /> Denticula tenuis <br /> Hantzschia amphioxys <br /> Nitzschia accommodata 7,900 1,180,000 <br /> Nitzschia acicularis 6,390 1,350,000 <br /> Nitzschia amphibia 7,900 ] ,350,000 <br /> Nitzschia archibaldii 44,100 1,340,000 160,000 4,860,000 <br /> Nitzschia bergii 50,100 4,570,000 <br /> Nitzschia capitellata 22,100 4,660,000 <br /> Nitzschia constricta 6,390 18,100,000 7,510 21,200,000 23,700 67,000,000 63,000 178,000,000 <br /> Nitzschia diserta 31,600 5,240,000 <br /> Nitzschia dissipata 134,000 27,900,000 132,000 27 ,600,000 172,000 35,900,000 2,500 521,000 55,300 11,500,000 42,000 8,750,000 <br /> Nitzschia dissipata media 188,000 50,200,000 <br /> Nitzschia elegantula <br /> Nitzschia filiformis <br /> Nitzschia fonticola 88,200 6,270,000 38,300 2,720,000 10,000 712,000 <br /> Nitzschia fonticola pelagica <br /> Nitzschia frustulum 77,200 10,300,000 27,500 3,690,000 <br /> Nitzschia frustulum perminuta 34,900 1,720,000 419,000 20,700,000 60,700 2,990,000 37,600 1,850,000 217,000 10,700,000 <br /> Nitzschia fruticosa 6,390 1,190,000 <br />