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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; /1,
<br /> micrometer; <, less than; Site abbreviations are used in this table. See table I for full site name]
<br /> Baker French Blue Ridgway Gore East
<br /> 8/96 8/96 8/96 8/96 8/96 8/96
<br /> A B A B A B A B A B A B
<br /> DIVISION
<br /> Family
<br /> Genus species variety
<br /> Nitzschia gracilis 17 ,400 1,980,000 7,100 807,000 10,100 1,150,000
<br /> Nitzschia hungarica
<br /> Nitzschia legleri
<br /> Nitzschia linearis 2,100 3,630,000 42,600 73,600,000 173,000 298,000,000
<br /> Nitzschia linearis subtilis 8,690 645,000
<br /> Nitzschia microcephala
<br /> Nitzschia palea 163,000 28,700,000
<br /> Nitzschia palea debilis 13,000 1,020,000 5,250 411,000 203,000 15,900,000
<br /> Nitzschia palea sumatrana
<br /> Nitzschia paleacea 7,100 217,000 122,000 3,730,000
<br /> Nitzschia pumila
<br /> Nitzschia pura 8,690 2,750,000
<br /> Nitzschia pusilla 14,200 1,390,000
<br /> Nitzschia recta 20,300 41,200,000
<br /> Nitzschia sigmoidea
<br /> Nitzschia sp. (13 ANS WRC)
<br /> Nitzschia sublinearis 30,400 3,500,000
<br />.j:>. Nitzschia supralitorea
<br />00 Nitzschia tubicola 85,200 35,800,000 2,800 1,180,000
<br /> Nitzschia umbilicata
<br /> Simonsenia delognei
<br /> Surirellaceae
<br /> Cymatopleura so/ea 2,100 13,900,000 30,400 201,000,000
<br /> Surirella angusta 4,350 3,210,000 14,200 10,500,000 20,300 15,000,000
<br /> Surirella brebissonii 603,000 708,000,000
<br /> Surirella minuta 383,000 163,000,000
<br /> Thalassiosiraceae
<br /> Aulacosira ambigua 2,100 477,000
<br /> Aulacosira distans 23,900 2,220,000 1,450 135,000
<br /> Aulacosira italica 4,340 2,510,000
<br /> Cyclotella bodanica
<br /> Cyclotella meneghiniana 42,600 25,000,000
<br /> Cyclotella ocellata
<br /> Cyclotella pseudostelligera
<br /> Stephanodiscus hantzschii
<br /> Stephanodiscus medius 10,100 908,000
<br /> Stephanodiscus sp. (2 ANS WRC)
<br /> Thalassiosira pseudonana
<br /> CRYPTOPHYTA (cryptomonads)
<br /> Cryptomonadaceae
<br /> Cryptomonas sp. 52,700 4,270,000
<br /> CYANOPHYTA (blue-green algae)
<br /> Chroococcaceae
<br /> Merismopedia elegans
<br /> Nostocaceae
<br />
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