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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; II, <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 /> Cymbella sp. (3 ANS WRC) <br /> Diploneis elliptica <br /> Entomoneis paludosa 6,390 1,310,000 21,000 4,320,000 <br /> Gomphonema angustatum 9,580 2,720,000 <br /> Gomphonema olivaceoides 23,300 4,260,000 <br /> Gomphonema olivaceum 52,300 11,500,000 44,100 9,710,000 54,300 11 ,900,000 <br /> Gomphonema olivaceum minutissimum <br /> Gomphonema parvulum 5,820 1,250,000 22,100 4,740,000 82,900 17,800,000 <br /> Gomphonema pumilum 22,100 5,710,000 <br /> Gomphonema tenellum 122,000 19,300,000 23,700 3,740,000 <br /> Gomphonema ventricosum 11 ,600 13,600,000 6,390 7,480,000 <br /> Gyrosigma spencerii 2,500 10,700,000 <br /> Navicula accomoda <br /> Navicula agrestis 7,900 482,000 <br /> Navicula atomus 11 ,000 384,000 22,400 778,000 3,950 137,000 <br /> Navicula bremensis 6,390 195,000 <br /> Navicula capitata 23,300 6,290,000 176,000 47,700,000 <br />VI Navicula cincta rostrata 22,100 2,720,000 85,100 10,500,000 178,000 21,900,000 42,000 5,180,000 <br />N Navicula cocconeiformis <br /> Navicula crucicula <br /> Navicula cryptocephala 772,000 88,900,000 6,390 735,000 5,010 576,000 <br /> Navicula cryptocephala exilis 11 ,600 577,000 22,100 1,090,000 <br /> Navicula cryptocephala veneta 186,000 18,600,000 95,800 9,560,000 5,010 500,000 39,500 3,940,000 <br /> Navicula cryptotenella 34,900 9,580,000 22,100 6,060,000 92,600 25,400,000 103,000 28,200,000 <br /> Navicula decussis 46,500 9,720,000 <br /> Navicula graciloides <br /> Navicula heufleri leptocephala 21,000 5,050,000 <br /> Navicula heufleri minuta <br /> Navicula luzonensis 22,100 2,000,000 6,390 580,000 7,900 717,000 <br /> Navicula menisculus 22,100 5,570,000 6,390 1,610,000 <br /> Navicula minima 23,300 610,000 11,000 289,000 6,390 167,000 <br /> Navicula minuscula 5,820 293,000 55,100 2,780,000 12,800 643,000 2,500 126,000 3,950 199,000 <br /> Navicula monoculata 7,900 51,000 <br /> Navicula pelliculosa 11 ,600 309,000 <br /> Navicula protracta <br /> Navicula pseudoscutiformis <br /> Navicula pseudoventralis <br /> Navicula pupula 23,300 14,200,000 33,100 20,200,000 <br /> Navicula pupula capitata 11 ,600 2,690,000 19,200 4,430,000 <br /> Navicula pupula rectangularis <br /> Navicula reinhardtii 22,100 58,800,000 <br /> Navicula rhynchocephala germainii <br /> Navicula salinarum 6,390 464,000 <br /> Navicula salinarum intermedia 145,000 53,100,000 44,100 16,100,000 31,900 11,700,000 27,600 10,100,000 <br /> Navicula secreta apiculata 11 ,600 1,400,000 11,000 1,330,000 44,700 5,380,000 43,400 5,220,000 252,000 30,300,000 <br />