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<br /> Appendix A. Taxa, densities of richest -targeted habitat periphyton, and sampling date for environmental samples at sites in the Upper Colorado Ri ver 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; <br /> II, micrometer; <, less than; Site abbreviations are used in this table. See table 1 for full site names] <br /> Cameo Cameo GunnGJ GunnGJ State line State line <br /> 8/96 8/97 8/96 8/97 8/96 8/97 <br /> A B A B A B A B A B A B <br /> DIVISION <br /> Family <br /> Genus species variety <br /> Navicula heufleri leptocephala 779 187,000 <br /> Navicula heufleri minuta <br /> Navicula ignota acceptata <br /> Navicula luzonensis 2,770 252,000 925 84,000 1,430 130,000 <br /> Navicula medioconvexa <br /> Navicula menisculus <br /> Navicula minima 2,040 53,500 4,930 129,000 2,310 60,600 260 6,800 <br /> Navicula minuscula <br /> Navicula monoculata 260 1,690 <br /> Navicula pupula <br /> Navicula pygmaea <br /> Navicula reinhardtii <br /> Navicula rhynchocephala <br /> Navicula rhynchocephala germainii 817 454,000 <br /> Navicula salinarum intermedia 1,830 666,000 2,950 1,080,000 20,000 7,310,000 1,850 675,000 10,200 3,720,000 3,760 1,370,000 <br /> Navicula secreta apiculata 389 77,200 <br /> Navicula seminulum <br /> Navicula sp. (15 ANS WRC) <br /> Navicula sp. (5 ANS WRC) 4,170 2,490,000 <br /> Navicula stroemii <br />\j.) Navicula subalpina <br />00 <br /> Navicula symmetrica 1,630 711,000 260 113,000 <br /> Navicula tantula <br /> Navicula tenelloides <br /> Navicula tripunctata 912 839,000 347 319,000 6,530 6,010,000 2,780 2,550,000 779 716,000 <br /> Navicula viridula avenacea 1,040 1,200,000 12,300 8,780,000 2,460 2,850,000 1,950 2,250,000 <br /> Neidium dubium <br /> Pinnularia divergens bacillaris <br /> Pinnularia subcapitata <br /> Reimeria sinuata 10,800 2,170,000 11 ,600 899,000 9,390 1,890,000 4,930 381,000 5,090 1,030,000 1,820 140,000 <br /> Rhoicosphenia curvata 1,280 305,000 1,390 332,000 8,980 2,150,000 5,240 1,250,000 7,870 1,880,000 1,170 279,000 <br /> Stauroneis phoenicenteron gracilis <br /> Nitzschiaceae <br /> Denticula kuetzingii <br /> Nitzschia accommodata 365 54,500 519 77 ,500 <br /> Nitzschia acicularis <br /> Nitzschia amphibia 3,270 561,000 260 44,500 <br /> Nitzschia archibaldii <br /> Nitzschia capitellata 925 196,000 <br /> Nitzschia constricta 1,630 4,620,000 <br /> Nitzschia dissipata 1,280 266,000 20,500 4,740,000 42,900 8,930,000 28,600 6,630,000 50,400 10,500,000 23,700 5,500,000 <br /> Nitzschia dissipata media <br /> Nitzschia elegantula <br /> Nitzschia fonticola 2,190 156,000 <br /> Nitzschia frustulum <br />