Bay Delta Region
Studies and Surveys
- 20mm Survey
- Fall Midwater Trawl
- Fish Salvage Monitoring
- San Francisco Bay Study
- Smelt Larva Survey
- Special Studies
- Spring Kodiak Trawl
- Striped Bass Study
- Sturgeon Study
- Townet Survey
- Zooplankton Study
- All Surveys and Studies
Other BDR Links
Main Office
2825 Cordelia Road, Suite 100
Fairfield, CA 94534
(707) 428-2002
Stockton Office
2109 Arch Airport Rd
Stockton, CA 95206
(209) 234-3420
Acting Regional Manager:
Scott Wilson
Related Programs
Fish Distribution Map
* Fish >= 60mm not displayed on length/freq chart.
Longfin Smelt 2021 Survey: 3
| STATION | SURFACE TEMP | TURBIDITY | SURFACE EC | NUMBER OF TOWS | AVERAGE CPUE |
|---|---|---|---|---|---|
| 405 | 11.8 | 16.1 | 21830 | 1.0 | 9.78 |
| 411 | 11.9 | 29.1 | 19960 | 1.0 | 10.55 |
| 418 | 11.6 | 12.5 | 17030 | 1.0 | 15.19 |
| 501 | 11.6 | 17.6 | 13450 | 1.0 | 126.01 |
| 504 | 11.7 | 15.0 | 11340 | 1.0 | 38.63 |
| 508 | 11.8 | 36.1 | 8490 | 1.0 | 61.54 |
| 513 | 10.6 | 17.4 | 3314 | 1.0 | 78.53 |
| 519 | 11.6 | 41.5 | 12210 | 1.0 | 56.31 |
| 520 | 11.6 | 21.8 | 7340 | 1.0 | 95.78 |
| 602 | 11.3 | 32.4 | 13310 | 1.0 | 406.45 |
| 606 | 11.5 | 41.2 | 5410 | 1.0 | 154.62 |
| 609 | 11.0 | 23.8 | 4013 | 1.0 | 14.20 |
| 610 | 10.6 | 16.4 | 3988 | 1.0 | 57.46 |
| 703 | 10.6 | 15.9 | 1659 | 1.0 | 29.71 |
| 704 | 10.7 | 21.8 | 837 | 1.0 | 66.90 |
| 705 | 10.9 | 8.0 | 438 | 1.0 | 4.96 |
| 706 | 11.0 | 11.1 | 271 | 1.0 | 49.82 |
| 707 | 11.3 | 9.1 | 239 | 1.0 | 9.66 |
| 711 | 11.3 | 6.7 | 211 | 1.0 | 0 |
| 716 | 11.7 | 10.0 | 252 | 1.0 | 0 |
| 723 | 11.7 | 9.8 | 236 | 1.0 | 8.51 |
| 801 | 10.6 | 17.2 | 2112 | 1.0 | 158.56 |
| 804 | 10.7 | 11.4 | 1458 | 1.0 | 37.53 |
| 809 | 10.8 | 12.2 | 772 | 1.0 | 50.53 |
| 812 | 10.7 | 13.9 | 625 | 1.0 | 4.91 |
| 815 | 10.9 | 9.9 | 457 | 1.0 | 0 |
| 901 | 10.4 | 5.9 | 637 | 1.0 | 0 |
| 902 | 10.6 | 4.4 | 781 | 1.0 | 0 |
| 906 | 11.3 | 5.6 | 497 | 1.0 | 0 |
| 910 | 11.6 | 11.1 | 627 | 1.0 | 0 |
| 912 | 11.9 | 9.8 | 665 | 1.0 | 0 |
| 914 | 11.7 | 5.2 | 677 | 1.0 | 0 |
| 915 | 11.1 | 4.8 | 777 | 1.0 | 0 |
| 918 | 11.3 | 5.2 | 762 | 1.0 | 0 |
| 919 | 11.6 | 10.4 | 224 | 1.0 | 0 |
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