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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 /> [--, 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 /> J.I, micrometer; <, less than; Site abbreviations are used in this table. See table I 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 /> Anomoeoneis vitrea
<br /> Caloneis bacil/um
<br /> Caloneis hyalina 365 167,000 817 374,000 260 119,000
<br /> Caloneis ventricosa alpina
<br /> Cymbella affinis 56,900 16,600,000 26,700 16,800,000 25,300 7,380,000 11,400 7,150,000 102,000 29,800,000 6,750 4,230,000
<br /> Cymbella amphicephala
<br /> Cymbella brehmii 730 20,100 347 9,570 1,230 34,000 925 25,500
<br /> Cymbella cesatii
<br /> Cymbella gaeumannii
<br /> Cymbella microcephala 2,450 125,000
<br /> Cymbella microcephala robusta
<br /> Cymbella minuta 4,740 612,000 2,780 552,000 3,270 422,000 3,700 478,000 1,170 232,000
<br /> Cymbella minuta latens
<br /> Cymbella minuta silesiaca 12,000 4,870,000 1,820 739,000
<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 616 175,000 1,170 332,000
<br />v:> Gomphonema gracile
<br />-.l
<br /> Gomphonema olivaceoides
<br /> Gomphonema olivaceum 365 80,300 2,080 458,000 5,540 1,220,000 2,310 509,000 3,370 742,000
<br /> Gomphonema olivaceum minutissimum
<br /> Gomphonema parvulum 1,560 336,000 817 176,000 1,850 397,000 4,630 995,000 5,320 1,140,000
<br /> Gomphonema pumilum 3,370 873,000
<br /> Gomphonema subclavatum
<br /> Gomphonema tene/lum 8,580 1,360,000 3,390 535,000 1,040 164,000
<br /> Gomphonema truncatum
<br /> Gomphonema ventricosum 817 956,000
<br /> Mastogloia smithii
<br /> Navicula acceptata
<br /> Navicula accomoda
<br /> Navicula agrestis
<br /> Navicula arvensis
<br /> Navicula atomus 173 6,040 1,230 42,600
<br /> Navicula cincta rostrata
<br /> Navicula cocconeiformis
<br /> Navicula cryptocephala
<br /> Navicula cryptocephala exilis
<br /> Navicula cryptocephala veneta 182 18,200 2,080 389,000 1,630 163,000 2,770 518,000 1,390 139,000 1,950 364,000
<br /> Navicula cryptotenella 7,850 2,150,000 14,100 3,860,000 46,100 12,700,000 10,800 2,960,000 19,900 5,460,000 8,050 2,210,000
<br /> Navicula decussis
<br /> Navicula detenta
<br /> Navicula elginensis
<br />
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