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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 />[--, 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 />p, 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 />DIVISION <br />Family <br />Genus species variety <br />Hydrocoleum brebissonii <br />Lyngbya aestuarii <br />Lyngbya sp. (1 ANS FW A) <br />Oscillatoria lutea <br />Oscillatoria sp. (1 ANS FW A) <br />(Undetermined) <br />Undo blue-green coccoid (5-lOp) <br />EUGLENOPHYTA (euglenoids) <br />Euglenaceae <br />Trachelomonas volvocina <br />RHODOPHYTA (red algae) <br />Chantransiacea <br />Audouinella violacea <br />(UNDETERMINED) <br />(Undetermined) <br />Undetermined alga flagellate <br />Undetermined alga flagellate (< lOp) <br /> <br />...... <br />0"\ <br /> <br />A <br /> <br />12,200 <br /> <br />B <br /> <br />A <br /> <br />B <br /> <br />4,520 <br /> <br />173 <br /> <br />39,300 <br /> <br />A <br /> <br />168,000 <br /> <br />58,800 <br /> <br />1,610 <br />6,840 <br /> <br />1,410 <br /> <br />B <br /> <br />47,000 <br /> <br />21,700 <br /> <br />681,000 <br /> <br />2,030,000 <br />1,550,000 <br /> <br />A <br /> <br />B <br /> <br />86,700 16,200,000 <br /> <br />A <br /> <br />382,000 <br /> <br />265,000 <br /> <br />B <br /> <br />107,000 <br /> <br />98,100 <br /> <br />A <br /> <br />B <br /> <br />123,000 23,000,000 <br /> <br />--- <br />