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 25. Number of aquatic invertebrates per square meter in the richest-targeted habitat at sites on the Carson River, July 1994. Habitats sampled were cobble riffles for sites 1 through 8 and submerged woody snags for site 9 (fig. 1).
[Abbreviation: sp., species]
Taxon |
Site 1, |
Site 2, |
Site 3 |
Site 4 |
Site 5 |
Site 6 |
Site 7 |
Site 9, |
---|---|---|---|---|---|---|---|---|
PLATYHELMINTHES | ||||||||
Turbellaria | 2,200 | 4,500 | 440 | 8 | ||||
ANNELIDA | ||||||||
Clitellita -- Oligochaeta | 1,600 | 390 | 96 | 290 | 1,400 | 3,700 | 880 | |
MOLLUSCA | ||||||||
Bivalvia | 1 | |||||||
Gastropoda | 150 | 290 | 1 | 140 | ||||
ARTHROPODA -- Chelicerata | ||||||||
Hydrachna sp. | 110 | 530 | 31 | 28 | 370 | 490 | 1,300 | 61 |
ARTHROPODA -- Crustacea | ||||||||
Amphipoda | 180 | 220 | ||||||
Decapoda | ||||||||
Astacidae | ||||||||
Pacifastacus leniusculus Dana | 28 | 1 | 2 | 1 | ||||
ARTHROPODA -- Hexapoda -- Insecta | ||||||||
Coleoptera | 1 | |||||||
Dytiscidae | 2 | |||||||
Elmidae | 93 | 1 | ||||||
Narpus sp. | 28 | |||||||
Optioservus sp. | 46 | 320 | 28 | 140 | ||||
Zaitzevia parvula (Horn) | 60 | 10 | 28 | |||||
Hydrophilidae | 9 | |||||||
Collembola | 28 | |||||||
Diptera | ||||||||
Ceratopogonidae | 92 | |||||||
Chironomidae | 4,200 | 1,240 | 510 | 620 | 3,500 | 1,400 | 3,200 | 480 |
Culicidae | 1 | |||||||
Empididae | 57 | 46 | 92 | 160 | ||||
Simuliidae | 31 | 28 | 92 | 220 | 17 | |||
Tipulidae | 28 | |||||||
Antocha sp. | 56 | 57 | ||||||
Hexatoma sp. | 2 | 6 | 2 | 1 | 17 | |||
Tipula sp. | 1 | |||||||
Ephemeroptera | ||||||||
Baetidae | 1,400 | 260 | 190 | 440 | 2,200 | 300 | ||
Ephemerellidae | 28 | |||||||
Serratella sp. | 65 | |||||||
Serratella micheneri (Traver) | 28 | |||||||
Timpanoga hecuba (Eaton) | 1 | |||||||
Heptageniidae | 170 | 470 | 55 | |||||
Epeorus longimanus (Eaton) | 7 | |||||||
Heptagenia sp. | 4 | 1 | 22 | |||||
Leucrocuta sp. | 1 | |||||||
Rhithrogena sp. | 140 | |||||||
Leptophlebiidae | 140 | 110 | 140 | |||||
Ameletus sp. | 1 | |||||||
Choroterpes sp. | 2 | |||||||
Paraleptophlebia sp. | 30 | |||||||
Tricorythodes minutus Traver | 57 | 350 | 28 | 1,600 | 7,500 | 2,900 | ||
Plecoptera | 140 | |||||||
Chloroperlidae | 170 | |||||||
Sweltsa sp. | 7 | |||||||
Nemouridae | 55 | |||||||
Malenka sp. | 3 | |||||||
Perlidae | 55 | |||||||
Calineuria californica (Banks) | 1 | |||||||
Claassenia sabulosa (Banks) | 85 | |||||||
Hesperoperla pacifica (Banks) | 1 | |||||||
Perlodidae | 110 | 56 | ||||||
Perlinodes aureus (Smith) | 2 | |||||||
Skwala sp. | 5 | 7 | ||||||
Pteronarcidae | ||||||||
Pteronarcys princeps Banks | 1 | |||||||
Trichoptera | 770 | |||||||
Glossosomatidae | ||||||||
Glossosoma sp. | 110 | 4 | ||||||
Hydropsychidae | 46 | 95 | 83 | 4,700 | 390 | |||
Arctopsyche sp. | 1 | |||||||
Ceratopsyche morosa group | 94 | 1 | ||||||
Cheumatopsyche sp. | 4 | 220 | ||||||
Hydropsyche sp. | 1 | 3 | 7 | 430 | 6 | |||
Hydropsyche californica Banks | 60 | 2 | 1 | |||||
Hydropsyche occidentalis Banks | 2 | |||||||
Hydroptilidae | 280 | 92 | 27 | |||||
Hydroptila sp. | 70 | 92 | 550 | |||||
Hydroptila argosa Ross | 11 | |||||||
Hydroptila consimilis Morton | 6 | |||||||
Philopotamidae | 250 | |||||||
Dolophilodes sp. | 8 | 5 | ||||||
Rhyacophilidae | ||||||||
Rhyacophila sp. | 28 | |||||||
Odonata-Zygoptera | 1 |