USGS Open-File Report 02-012
Physical Data and Biological Data for Algae, Aquatic Invertebrates, and Fish from Selected Reaches on the Carson and Truckee Rivers, Nevada and California, 1993-97
Table 13. Algal density in the richest-targeted habitat at sites on the Truckee River: Truckee River at Farad, Calif. (site 12, fig. 1), 1993-96. Habitats sampled were cobble riffles.
[Abbreviations: cells/cm2, cells per square centimeter; sp., species]
Taxon |
Reach A, Sept. 9, 1993 (cells/cm2) |
Reach B, Sept. 9, 1993 (cells/cm2) |
Reach C, Sept. 10, 1993 (cells/cm2) |
Reach A, |
Reach A, |
Reach A, |
---|---|---|---|---|---|---|
Total number of cells (rounded) |
1,900,000 | 400,000 | 4,300,000 | 8,300,000 | 2,700,000 | 2,500,000 |
CYANOPHYTA | ||||||
Cyanophyceae | ||||||
Chamaesiphonales | ||||||
Chamaesiphonaceae | ||||||
Chamaesiphon incrustans | 4,200 | |||||
Nostocales | ||||||
Nostocaceae | ||||||
Anabaena sp. | 250,000 | 38,000 | ||||
Nostoc pruniforme | 16,000 | 31,000 | 3,700,000 | |||
Oscillatoriaceae | ||||||
Hydrocoleum brebissonii | 1,100,000 | 44,000 | 280,000 | |||
Lyngbya sp. | 1,600,000 | 240,000 | 470,000 | 310,000 | 220,000 | 120,000 |
Microcoleus vaginatus | 16,000 | |||||
Oscillatoria sp. | 4,000,000 | 810,000 | 480,000 | |||
Schizothrix friesii | 17,000 | |||||
Rivulariaceae | ||||||
Calothrix sp. | 1,300,000 | 740,000 | ||||
RHODOPHYTA | ||||||
Florideophyceae | ||||||
Nemaliales | ||||||
Acrochaetiaceae | ||||||
Audouinella hermanii | 14,000 | |||||
CRYPTOPHYTA | ||||||
Undetermined sp. | 4,200 | |||||
Calothrix fusca | 95,000 | |||||
EUGLENOPHYTA | ||||||
Euglenophyceae | ||||||
Euglenales | ||||||
Euglenaceae | ||||||
Euglena sp. | 3,300 | |||||
Trachelomonas sp. | 940 | |||||
Trachelomonas volvocina | 6,600 | |||||
BACILLARIOPHYTA | ||||||
Coscinodiscophyceae | ||||||
Thalassiosirales | ||||||
Stephanodiscaceae | ||||||
Cyclotella bodanica | 7,400 | |||||
Cyclotella meneghiniana | 380 | 230 | 5,900 | 6,200 | ||
Cyclotella pseudostilligera | 6,200 | |||||
Cyclotella radiosa | 380 | 470 | ||||
Melosirales | ||||||
Melosiraceae | ||||||
Melosira varians | 3,800 | 2,500 | 470 | 2,100 | 10,000 | 6,200 |
Aulacoseirales | ||||||
Aulacoseiraceae | ||||||
Aulacoseira alpigena | 4,300 | |||||
Aulacoseira ambigua | 470 | 8,500 | 7,400 | |||
Aulacoseira granulata | 8,500 | |||||
Aulacoseira italica | 8,500 | |||||
Fragilariophyceae | ||||||
Fragilariales | ||||||
Fragilariaceae | ||||||
Diatoma mesodon | 1,500 | 4,100 | ||||
Diatoma vulgare | 230 | |||||
Fragilaria capucina | 230 | |||||
Fragilaria capucina mesolepta | 230 | |||||
Fragilaria crotonensis | 760 | 230 | ||||
Fragilaria exiguiformis | 470 | 4,300 | 1,500 | 12,000 | ||
Fragilaria intermedia | 1,500 | |||||
Fragilaria vaucheriae | 5,300 | 740 | 1,400 | 4,300 | 18,000 | 21,000 |
Fragilariforma bicapitata | 3,000 | |||||
Hannaea arcus | 470 | |||||
Martyana martyi | 2,100 | |||||
Meridion circulare | 380 | 700 | ||||
Pseudostaurosira brevistriata | 50,000 | 94,000 | ||||
Fragilaria brevistriata inflata | 3,000 | 39,000 | ||||
Staurosira construens | 230 | 17,000 | ||||
Fragilaria construens pumila | 3,400 | 3,000 | 68,000 | 50,000 | 88,000 | |
Fragilaria construens subsalina | 5,300 | 4,200 | 3,300 | |||
Staurosira construens binodis | 2,300 | 2,100 | 32,000 | 3,000 | ||
Staurosira construens venter | 20,000 | 9,800 | 4,700 | 210,000 | 27,000 | 10,000 |
Staurosirella leptostauron | 6,400 | |||||
Staurosirella pinnata | 40,000 | 9,300 | 14,000 | 200,000 | 24,000 | 99,000 |
Synedra acus | 2,100 | |||||
Synedra mazamaensis | 760 | 4,100 | ||||
Synedra minuscula | 1,500 | |||||
Synedra rumpens | 380 | |||||
Synedra rumpens familiaris | 490 | 8,500 | 4,100 | |||
Synedra rumpens fragilarioides | 5,900 | |||||
Synedra ulna | 2,100 | 1,500 | 6,200 | |||
Synedra ulna contracta | 740 | 230 | ||||
Synedra ulna oxyrhynchus | 2,100 | |||||
Tabellariales | ||||||
Tabellariaceae | ||||||
Tabellaria flocullosa | 4,100 | |||||
Bacillariophyceae | ||||||
Cymbellales | ||||||
Cynbellaceae | ||||||
Cymbella sp. | 3,400 | 5,900 | ||||
Cymbella affinis | 230 | 2,100 | 8,900 | 12,000 | ||
Cymbella mexicana janischii | 1,900 | 980 | 1,900 | 4,300 | 7,400 | |
Cymbella naviculiformis | 3,000 | |||||
Cymbella turgidula | 3,000 | |||||
Encyonema minutum | 16,000 | 15,000 | 17,000 | 10,000 | 52,000 | 45,000 |
Encyonema muelleri | 12,000 | 6,700 | 14,000 | 120,000 | 7,400 | 4,100 |
Encyonema silesiacum | 2,300 | 5,200 | 7,400 | 4,100 | ||
Reimeria sinuata | 5,000 | 5,900 | 4,700 | 15,000 | 25,000 | 57,000 |
Reimeria sinuata antiqua | 4,300 | |||||
Gomphonemataceae | ||||||
Gomphoneis eriense variabilis | 490 | 930 | 4,300 | 13,000 | ||
Gomphoneis herculeana | 5,000 | 8,500 | 3,000 | |||
Gomphoneis olivacea | 11,000 | |||||
Gomphonema sp. | 1,900 | 2,500 | 940 | 15,000 | 16,000 | |
Gomphonema angustatum | 3,000 | |||||
Gomphonema cf. clevei | 740 | 700 | 680 | 4,000 | 10,000 | 24,000 |
Gomphonema parvulum | 380 | 490 | 6,400 | 5,900 | 8,200 | |
Gomphonema cf. rhombicum | 27,000 | |||||
Gomphonema truncatum capitatum | 380 | |||||
Rhoicospheniaceae | ||||||
Rhoicosphenia abbreviata | 1,500 | 5,700 | 2,100 | 15,000 | 46,000 | 49,000 |
Achanthales | ||||||
Achnanthidiaceae | ||||||
Achnanthidium minutissimum | 4,200 | 1,700 | 2,600 | 8,500 | 120,000 | 140,000 |
Karayevia clevei | 380 | 250 | 1,500 | |||
Planothidium dubium | 1,900 | 250 | 470 | 4,400 | 4,100 | |
Planothidium lanceolatum | 380 | 740 | 18,000 | 4,100 | ||
Planothidium peragallii | 380 | |||||
Rossithidium pusillum | 1,500 | 490 | 230 | 2,100 | 4,400 | 14,000 |
Cocconeidaceae | ||||||
Cocconeis pediculus | 380 | 230 | 130,000 | |||
Cocconeis placentula euglypta | 16,000 | 18,000 | 13,000 | 8,500 | 43,000 | 86,000 |
Cocconeis placentula lineata | 6,100 | 5,400 | 1,900 | 8,500 | 12,000 | 16,000 |
Naviculales | ||||||
Amphipleuraceae | ||||||
Frustulia rhomboides crassinervia | 2,100 | |||||
Brachysiraceae | ||||||
Brachysira brebissonii | 4,300 | |||||
Cavinulaceae | ||||||
Cavinula cocconeiformis | 2,100 | |||||
Diploneidaceae | ||||||
Diploneis puella | 4,100 | |||||
Diploneis smithii | 2,100 | |||||
Naviculaceae | ||||||
Fistulifera pelliculosa | 380 | |||||
Geissleria decussis | 1,200 | 9,800 | ||||
Hippodonta capitata | 760 | 6,400 | 3,000 | |||
Navicula sp. | 61,000 | 33,000 | ||||
Navicula anglica | 4,300 | |||||
Navicula canoris | 1,100 | |||||
Navicula cari | 2,100 | |||||
Navicula cryptocephala | 2,100 | |||||
Navicula detenta | 760 | 4,300 | ||||
Navicula graciloides | 5,700 | 8,600 | 6,800 | |||
Navicula gregaria | 5,900 | |||||
Navicula lanceolata | 490 | |||||
Navicula menisculus | 760 | 1,200 | 4,100 | |||
Navicula minima | 380 | 250 | 8,200 | |||
Navicula pseudolanceolata | 10,000 | |||||
Navicula radiosa | 380 | 230 | ||||
Navicula rhynchocephala germainii | 4,100 | |||||
Navicula salinarum intermedia | 15,000 | 19,000 | 18,000 | 18,000 | 12,000 | |
Navicula secreta apiculata | 380 | 740 | 930 | 5,900 | 16,000 | |
Navicula tantula | 380 | |||||
Navicula tripunctata | 3,800 | 5,900 | 9,600 | 21,000 | 30,000 | 33,000 |
Navicula tripunctata schizonemoides | 2,100 | |||||
Navicula viridula avenacea | 1,500 | |||||
Neidiaceae | ||||||
Neidium affine | 4,100 | |||||
Neidium dubium | 4,100 | |||||
Pinnulariaceae | ||||||
Caloneis bacillum | 230 | 2,100 | ||||
Sellaphoraceae | ||||||
Sellaphora bacillum | 4,300 | |||||
Sellaphora laevissima | 230 | |||||
Sellaphora pupula | 490 | 2,100 | ||||
Sellaphora pupula rectangularis | 760 | 4,300 | 3,000 | |||
Thalassiophysales | ||||||
Catenulaceae | ||||||
Amphora ovalis | 380 | |||||
Amphora ovalis pediculus | 230 | 2,100 | 1,500 | |||
Amphora perpusilla | 1,100 | 14,000 | ||||
Bacillarales | ||||||
Bacillariaceae | ||||||
Cymbellonitzschia diluviana | 760 | 490 | 230 | |||
Denticula elegans | 2,100 | |||||
Hantzschia virgata | 1,500 | |||||
Nitzschia amphibia | 380 | 250 | 700 | 3,000 | ||
Nitzschia bacata | 4,100 | |||||
Nitzschia dissipata | 760 | 1,400 | 4,300 | 44,000 | 25,000 | |
Nitzschia dissipata media | 1,900 | 250 | 8,900 | 16,000 | ||
Nitzschia frustulum | 14,000 | 5,200 | 4,400 | 55,000 | 16,000 | 25,000 |
Nitzschia frustulum perminuta | 7,600 | 4,400 | 1,200 | 19,000 | 21,000 | 49,000 |
Nitzschia frustulum subsalina | 1,900 | 490 | 930 | 8,500 | 8,900 | 8,200 |
Nitzschia kuetzingiana | 380 | 490 | 13,000 | 5,900 | ||
Nitzschia linearis tenuis | 250 | 470 | 18,000 | |||
Nitzschia palea | 1,500 | |||||
Nitzschia pura | 1,500 | |||||
Nitzschia recta | 740 | |||||
Nitzschia romana | 250 | 1,500 | ||||
Nitzschia sinuata tabellaria | 760 | |||||
Nitzschia sociabilis | 4,100 | |||||
Nitzschia tropica | 1,500 | 4,300 | ||||
Rhopalodiaceae | ||||||
Epithemia adnata | 8,500 | |||||
Epithemia sorex | 760 | 230 | 110,000 | 2,900 | 29,000 | |
Epithemia turgida | 1,500 | 15,000 | ||||
Rhopalodia gibba | 380 | 6,400 | ||||
Rhopalodia gibba ventricosa | 2,100 | |||||
CHLOROPHYTA | ||||||
Undetermined sp. | 4,200 | |||||
Chlorophyceae | ||||||
Chlorococcales | ||||||
Oocystaceae | ||||||
Ankistrodesmus falcatus | 4,200 | 6,600 | ||||
Scenedesmaceae | ||||||
Scenedesmus ecornis | 880 | |||||
Scenedesmus quadricauda | 8,800 | |||||
Chaetophorales | ||||||
Chaetophoraceae | ||||||
Schizomeris leibleinii | 79,000 | |||||
Stigeoclonium lubricum | 200,000 | |||||
Charophyceae | ||||||
Zygnemateles | ||||||
Desmidiaceae | ||||||
Cosmarium subcrenatum | 670 |