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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 River Basin study unit, 1996-97---Continued <br /> <br />[n, 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 />Baker Baker <br />8/96 8/97 <br /> <br />French <br />8/96 <br /> <br />French <br />8/97 <br /> <br />Blue <br />8/96 <br /> <br />Blue <br />8/97 <br /> <br />...... <br />w <br /> <br />DIVISION <br />Family <br />Genus species variety <br />Anomoeoneis vitrea <br />Caloneis bacil/um <br />Caloneis hyalina <br />Caloneis ventricosa alpina <br />Cymbella affinis <br />Cymbella amphicephala <br />Cymbella brehmii <br />Cymbella cesatii <br />Cymbella gaeumannii <br />Cymbella microcephala <br />Cymbella microcephala robusta <br />Cymbella minuta <br />Cymbella minuta latens <br />Cymbella minuta silesiaca <br />Cymbella sp. (2 ANS WRC) <br />Cymbella sp. (3 ANS WRC) <br />Diploneis elliptica <br />Diploneis pseudovalis <br />Gomphonema acuminatum laticeps <br />Gomphonema angustatum <br />Gomphonema gracile <br />Gomphonema olivaceoides <br />Gomphonema olivaceum <br />Gomphonema olivaceum minutissimum <br />Gomphonema parvulum <br />Gomphonema pumilum <br />Gomphonema subclavatum <br />Gomphonema tenetlum <br />Gomphonema truncatum <br />Gomphonema ventricosum <br />Mastogloia smithii <br />Navicula acceptata <br />Navicula accomoda <br />Navicula agrestis <br />Navicula arvensis <br />Navicula atomus <br />Navicula cincta rostrata <br />Navicula cocconeiformis <br />Navicula cryptocephala <br />Navicula cryptocephala exilis <br />Navicula cryptocephala veneta <br />Navicula cryptotenella <br />Navicula decussis <br />Navicula detenta <br />Navicula elginensis <br /> <br />A <br /> <br />B <br /> <br />25 <br />153 <br />25 <br /> <br />17.500 <br />4,220 <br />7,890 <br /> <br />127 <br /> <br />16,400 <br /> <br />51 <br />25 <br /> <br />36,400 <br />3,180 <br /> <br />76 <br /> <br />28,200 <br /> <br />A <br /> <br />A <br /> <br />A <br /> <br />B <br /> <br />A <br /> <br />B <br /> <br />B <br /> <br />653 <br /> <br />32 875 <br />8 2,110 <br />8 404 <br />32 6,300 58 7,490 <br />16 1,450 <br />56 22,600 <br /> <br />8 <br /> <br />10,600 <br /> <br />32 <br /> <br />8,710 <br /> <br />B <br /> <br />190,000 <br /> <br />A <br /> <br />592 <br /> <br />888 <br /> <br />296 <br /> <br />592 <br /> <br />B <br /> <br />16,300 <br /> <br />176,000 <br /> <br />64,100 <br /> <br />111,000 <br />