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 1. Physical characteristics of the richest-targeted habitat during algae and aquatic invertebrate sample collection at sites on the Carson and Truckee Rivers, 1993-1996.
[Some site numbers use a letter (a, b, or c) to designate a specific reach (Lawrence and Pennington, 1998)]
[Abbreviations and symbols: BO, boulder; CO, cobble; GV, gravel; SA, sand; Snag, submerged woody debris; N, number of measurements; °C, degrees Celsius; ft, feet; ft/s, feet per second, ft3/s, cubic feet per second; --, not measured; <, less than]
|
Site |
Dates of sample collection | Mean velocity (ft/s) | Mean depth (ft) |
Substrate | Water temperature (°C) |
Range of mean daily discharges (ft3/s) |
|
|---|---|---|---|---|---|---|---|
| Dominant/ codominant |
Embeddedness (percent) |
||||||
| Carson River Basin | |||||||
| 1a | Aug. 30 - Sept. 2, 1993 | 1.89 | 0.61 | CO/SA | 25-50 | 17.0a | 128-142a |
| 1b | Aug. 30 - Sept. 1, 1993 | 1.78 | .64 | CO/SA | 25-50 | 17.0a | 128-138a |
| 1b | July 26, 1994 | 2.22 | .46 | CO/GV | <25 | 21.5a | 681a |
| 1b | Sept. 15, 1995 | 2.78 | .88 | CO/GV | <25 | 15.5a | 183a |
| 1b | Oct. 11, 1996 | 2.34 | .34 | CO/GV | <25 | -- | 79a |
| 1c | Aug. 30 - Sept. 1, 1993 | 2.68 | .40 | CO/SA | 25-50 | 17.0a | 128-138a |
| 2 | July 25, 1994 | 1.62 | .27 | CO/GV | 25-50 | -- | 1.2 |
| 2 | Sept. 15, 1995 | 2.18 | .38 | CO/GV | <25 | -- | 15 |
| 3 | July 21, 1994 | 2.47 | .58 | CO/GV | 25-50 | -- | 38b |
| 3 | Sept. 13, 1995 | 2.19 | .84 | CO/GV | <25 | -- | 75b |
| 4 | July 22, 1994 | 1.54 | .94 | BO/CO | 25-50 | -- | -- |
| 4 | Sept. 13, 1995 | 1.91 | .95 | CO/BO | 25-50 | -- | -- |
| 5 | July 20, 1994 | 1.62 | .30 | CO/GV | 25-50 | -- | 0.85 |
| 5 | Sept. 19, 1995 | 2.46 | .70 | CO/SA | <25 | -- | 11 |
| 6 | July 19, 1994 | 1.67 | .48 | BO/GV | 25-50 | -- | 21 |
| 6 | Sept. 12, 1995 | 1.18 | .48 | CO/GV | 25-50 | -- | 62 |
| 7 | Sept. 7-8, 1993 | 1.24 | 1.04 | BO/SA | 50-75 | -- | 5.4-5.7 |
| 7 | July 15, 1994 | 1.88 | .45 | BO/SA | 25-50 | -- | 2.2 |
| 7 | Sept. 12, 1995 | 2.08 | .92 | CO/GV | 25-50 | -- | 47 |
| 8 | July 14, 1994 | -- | -- | -- | -- | -- | 0.53 |
| 8 | Sept. 19, 1995 | 2.91 | .41 | CO/GV | <25 | -- | 65 |
| 9a | Sept. 13, 1993 | .10 | .91c | Snag/SA | -- | -- | 1.4 |
| 9b | Sept. 13, 1993 | .85 | .52d | Snag/SA | -- | -- | 1.4 |
| 9b | July 12, 1994 | 1.0 | .68d | Snag/SA | -- | -- | 3.6 |
| 9b | Sept. 28, 1995 | 1.1 | .92e | Snag/SA | -- | -- | 68 |
| 9b | Oct. 10, 1996 | 1.27 | .89f | Snag/SA | -- | 18.0 | 25 |
| 9c | Sept. 20, 1993 | .62 | 1.0g | Snag/SA | -- | -- | 0.70 |
| Truckee River Basin | |||||||
| 11 | Sept. 8, 1993 | .66 | 1.13h | Snag/GV | -- | -- | 9.6 |
| 12a | Sept. 9, 1993 | 1.80 | .79 | BO/CO | 25-50 | 17.0 | 397 |
| 12a | June 30, 1994 | 2.3 | 1.0 | BO/CO | 25-50 | 14.0 | 133 |
| 12a | Oct. 2, 1995 | 1.4 | .83 | BO/CO | 25-50 | 13.0 | 458 |
| 12a | Oct. 8, 1996 | 1.41 | 1.54 | CO/BO | 25-50 | 14.0 | 395 |
| 12b | Sept. 9, 1993 | 1.30 | .89 | BO/CO | 50-75 | 17.0 | 397 |
| 12c | Sept. 9-10, 1993 | 2.03 | 1.00 | BO/CO | 25-50 | 17.0 | 397-400 |
| 13 | July 1, 1994 | 2.25 | .66 | CO/GV | 25-50 | 19.0i | 47i |
| 13 | Sept. 21,1995 | 2.15 | 1.0 | BO/CO | <25 | -- | 344i |
| 14 | July 5, 1994 | 2.1 | .41 | CO/GV | 25-50 | 21.0j | 31j |
| 14 | Sept. 21-22, 1995 | 1.9 | .77 | CO/GV | 25-50 | -- | 247-256j |
| 15 | Sept. 3, 1993 | 1.50 | 1.16 | CO/BO | 50-75 | 19.0 | 114 |
| 15 | June 29, 1994 | 2.5 | .52 | CO/SA | 25-50 | 22.5 | 7.4 |
| 15 | Sept. 22 and 25, 1995 | 3.0 | .47 | CO/GV | <25 | 15.0 | 229 & 245 |
| 16 | July 6, 1994 | 2.76 | .49 | CO/SA | <25 | 22.5k | 56k |
| 16 | Sept. 26, 1995 | 2.33 | .75 | CO/SA | 25-50 | -- | 363k |
| 17a | Sept. 21, 1993 | 1.80 | .57 | CO/GV | 50-75 | 21.0 | 270 |
| 17b | Sept. 7, 1993 | -- | -- | -- | -- | -- | 230 |
| 17b | Sept. 21, 1993 | 2.06 | .68 | CO/GV | 25-50 | 21.0 | 270 |
| 17c | Sept. 7, 1993 | 1.29 | .55 | CO/GV | 50-75 | 16.0 | 230 |
| 17c | Sept. 21, 1993 | -- | -- | -- | -- | -- | 270 |
| 17c | July 7, 1994 | .42 | 1.0 | CO/GV | 25-50 | -- | 64 |
| 17c | Oct. 3, 1995 | 1.03 | 1.0 | GV/SA | <25 | 14.5 | 401 |
| 17c | Oct. 8, 1996 | 2.14 | .63 | CO/GV | 50-75 | 17.0 | 357 |
| 18 | Oct. 13, 1995 | 2.31 | 1.0 | CO/GV | 25-50 | 12.0 | 248 |
| 19 | July 8, 1993 | -- | -- | -- | -- | -- | 266l |
| 19 | Sept. 16, 1993 | 1.68 | .62 | CO/GV | 25-50 | 17.0l | 88l |
| 19 | July 8, 1994 | 2.5 | .2 | GV/CO | <25 | -- | 37l |
| 19 | Sept. 16, 1994 | -- | -- | -- | -- | -- | 12l |
| 19 | Oct. 6, 1995 | 2.62 | .87 | GV/CO | <25 | 13.0l | 243l |
| 20 | Oct. 12, 1995 | 2.72 | .85 | CO/GV | 25-50 | -- | 278l |
a Data collected at USGS station number 10309000, East Fork Carson
River near Gardnerville, Nev.
b Data collected at USGS station number 1031000, West Fork Carson River at
Woodfords, Calif.
c Depth to snag = 0.32 ft.
d Depth to snag = 0.09 ft.
e Depth to snag = 0.37 ft.
f Depth to snag = 0.22 ft.
g Depth to snag = 0.21 ft.
h Depth to snag = 0.52 ft.
i Data collected at USGS station number 10347460, Truckee River near Mogul, Nev.
j Data collected at USGS station number 10348000, Truckee River at Reno, Nev.
k Data collected at USGS station number 10350000, Truckee River at Vista, Nev.
l Data collected at USGS station number 10351700, Truckee River near Nixon, Nev.