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 22. Ash-free dry weight, dry weight, and chlorophyll concentrations in algal samples collected at sites on the Carson and Truckee Rivers, Nevada and California, 1993-96.
[Abbreviations and symbols: g/m2, grams per square meter; mg/m2, milligrams per square meter; --, no data; <, less than]
Site number (fig.1) | Site name | Date | Ash-free dry weight (g/m2) |
Dry weight (g/m2) |
Chlorophyll (mg/m2) | |
a | b | |||||
1 | East Fork Carson River near Dresslerville, Nev., Reach A | Sept. 2, 1993 | 77 | 83 | 10 | 0.2 |
Reach B | Sept. 1, 1993 | 48 | 51 | 3.3 | < 0.1 | |
Reach C | Aug. 30, 1993 | 313 | 355 | 92 | 1.7 | |
Reach B | July 26, 1994 | 300 | 320 | 13 | 5.9 | |
Reach B | Sept. 15, 1995 | 31 | 33 | 2.7 | 0.2 | |
Reach B | Oct. 11, 1996 | 122 | 130 | 1.1 | 0.7 | |
2 | East Fork Carson River near Minden, Nev | July 25, 1994 | 480 | 510 | 42 | 9.6 |
Sept. 15, 1995 | 69.5 | 83 | 61 | 4.5 | ||
3 | West Fork Carson River above Woodfords, Calif. | July 21, 1994 | 56 | 59 | 2.7 | 0.2 |
Sept. 13, 1995 | 27 | 28 | 0.6 | <0.1 | ||
4 | West Fork Carson River at Paynesville, Calif. | July 22, 1994 | 140 | 140 | 9.1 | 1.2 |
Sept. 13, 1995 | 35 | 36 | 2 | <0.1 | ||
5 | West Fork Carson River at Muller Lane near Minden, Nev. | July 20, 1994 | 370 | 410 | 31 | 13 |
Sept. 19, 1995 | 330 | 370 | 130 | 13 | ||
6 | Carson River near Carson City, Nev. | July 19, 1994 | 220 | 230 | 12 | 2.6 |
Sept. 14, 1995 | 243 | 258 | 27 | 1.5 | ||
7 | Carson River at Deer Run Road near Carson City, Nev. | Sept. 8, 1993 | 130 | 140 | 43 | 2.5 |
July 15, 1994 | 280 | 300 | 35 | -- | ||
8 | Carson River at Dayton State Park near Dayton, Nev. | July 14, 1994 | 630 | 690 | 42 | 12 |
Sept. 19, 1995 | 162 | 172 | 12 | 1.4 | ||
9 | Carson River at Fort Churchill State Park, Nev., Reach A | Sept. 13, 1993 | 94 | 110 | 8 | 0.4 |
Reach B | Sept. 13, 1993 | 30 | 34 | 6.7 | 0.3 | |
Reach C | Sept. 20, 1993 | 63 | 73 | 9.4 | 0.3 | |
Reach B | Sept. 28, 1995 | 108 | 127 | 7.5 | 1.0 | |
Reach B | Oct. 10, 1996 | 106 | 115 | 2.2 | 0.70 | |
Carson River at Fort Churchill State Park, Nev., Reach B | Sept. 12, | 96 | 102 | 8.1 | 1.0 | |
11 | Upper Truckee River at South Lake Tahoe, Calif. | Sept. 8, 1993 | 51 | 57 | -- | -- |
12 | Truckee River at Farad, Calif., Reach A | Sept. 10, 1993 | 59 | 63 | 6.0 | 0.30 |
Reach B | Sept. 9, 1993 | 53 | 55 | 3.2 | <0.10 | |
Reach C | Sept. 10, 1993 | 46 | 50 | 11 | 0.20 | |
Reach A | June 30, 1994 | 68 | 71 | 2.1 | 0.10 | |
Reach A | Oct. 2, 1995 | 208 | 219 | 6.6 | <0.10 | |
Reach A | Oct. 8, 1996 | 229 | 237 | 2.2 | 0.40 | |
13 | Truckee River at Circle C Ranch near Lawton, Nev. | July 1, 1994 | 290 | 300 | 2.2 | 0.40 |
Sep 21, 1995 | 114 | 119 | 11.0 | <0.10 | ||
14 | Truckee River at Idlewild Park near Reno, Nev. | July 5, 1994 | 390 | 410 | 8.7 | 4.7 |
Sept. 22, 1995 | 47 | 49 | 6.0 | 0.50 | ||
15 | Truckee River near Sparks, Nev. | Sept. 3, 1993 | 150 | 160 | 20 | 0.50 |
June 29, 1994 | 73 | 78 | 3.8 | 1.5 | ||
Sept. 25, 1995 | 58 | 63 | 8.5 | <0.10 |