Year | Accomplishment |
1992 |
Began collecting baseline physical and biological information from historic sockeye rearing lakes in the Sawtooth Valley, Idaho. |
1994 |
Conducted fertilization experiments in limnocorral enclosures in Redfish and Alturas lakes. |
1994 |
Established a limnological sampling protocol to monitor the effects of lake fertilization and juvenile sockeye stocking on the target lakes ecosystems. |
1995 |
Conducted test fertilization of Redfish Lake. |
1996 |
Removed a rough fish barrier at the outlet of Pettit Lake. |
1996 |
Constructed a smolt/adult weir at the outlet of Pettit Lake. |
1996 |
Began annual monitoring of sockeye smolt emigration from Pettit Lake. |
1996 |
Began a lake fertilization program in Redfish Lake |
1997 |
Began a lake fertilization program in Pettit and Alturas lakes. |
1998 |
Began annual monitoring of sockeye smolt emigration from Alturas Lake. |
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1.1 Continue extensive limnological monitoring in Redfish, Alturas, and Pettit lakes. Continue monitoring limnological parameters in Stanley Lake with a less intensive schedule. |
Update sampling protocol and make a new schedule. |
ongoing |
$338 |
Yes |
1.4 Coordinate efforts with the USFS, IDFG, Idaho State Dept. of Environmental Quality. |
Apply for necessary permits, etc. |
ongoing |
$1,475 |
Yes |
2. Fertilize Redfish, Pettit, and Alturas lakes. |
a. Review previous years data and develop lake fertilization prescriptions. |
ongoing |
$12,000 |
Yes |
|
b. Apply for permit from DEQ and make schedule. |
ongoing |
$4,206 |
|
5. Continue monitoring O. nerka population characteristics and densities in the Sawtooth Valley lakes in conjunction with IDFG to determine inter-annual trends. |
Review and update protocols and update schedules for spawner surveys, gillnet sampling, hydroacoustics, and snorkeling. |
ongoing |
$5,324 |
|
7. Assist IDFG with in-lake captive broodstock production activities of O. nerka. |
Corroborate and finalize stocking strategies and field work. |
ongoing |
$5,324 |
|
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1.1 Continue extensive limnological monitoring in Redfish, Alturas, and Pettit lakes. Continue monitoring limnological parameters in Stanley Lake with a less intensive schedule. |
equipment maintenance |
ongoing |
$500 |
Yes |
1.2. Complete winter limnological sampling to estimate sockeye salmon production opportunities and constraints during this season. |
equipment maintenance |
ongoing |
$500 |
Yes |
2. Fertilize Redfish, Pettit, and Alturas lakes. |
c. Labor, travel, and per diem for fertilizer application. |
ongoing |
$24,894 |
|
|
c. Equipment maintenance and fertilizer purchase and delivery. |
ongoing |
$3,400 |
|
3. Reduce the number of mature kokanee spawning in Fishhook Creek. We will use a picket weir to reduce the number to approximately 2,000 females as identified by the TOC. |
a. Labor, travel, and per diem for weir operation. |
4 |
$14,488 |
|
|
b. weir maintenance |
4 |
$200 |
|
4. Enumerate sockeye smolt outmigration from Pettit and Alturas lakes. We will use a smolt collection weir and a screw trap at the outlet streams of Pettit and Alturas lakes, respectively. |
a. screw trap and weir maintenance |
ongoing |
$500 |
|
5. Continue monitoring O. nerka population characteristics and densities in the Sawtooth Valley lakes in conjunction with IDFG to determine inter-annual trends. |
a. Equipment maintenance and replacement for all surveys. |
ongoing |
$1,200 |
|
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1.1. Continue extensive limnological monitoring in Redfish, Alturas, and Pettit lakes. Continue monitoring limnological parameters in Stanley Lake with a less intensive schedule. |
a. Sample lakes for temperature, oxygen, nutrients (TP, NO3, TKN, NH4), chlorophyll, phytoplankton, and zooplankton. Includes travel and per diem. |
ongoing |
$37,782 |
Yes |
|
b. Analyze nutrient samples. |
ongoing |
$6,144 |
Yes |
|
c. Analyze chlorophyll samples. |
ongoing |
$1,024 |
Yes |
|
d. Analyze phytoplankton samples. |
ongoing |
$11,616 |
Yes |
|
e. Analyze zooplankton samples. |
ongoing |
$2,992 |
Yes |
1.2. Complete winter limnological sampling to estimate sockeye salmon production opportunities and constraints during this season. |
a. Sample lakes for temperature, oxygen, nutrients (TP, NO3, TKN, NH4), chlorophyll, phytoplankton, and zooplankton to examine conditions for sockeye growth and survivorship under the ice. Includes travel, per diem, lodging |
ongoing |
$8,657 |
Yes |
|
b. Analyze nutrient samples. |
ongoing |
$2,328 |
Yes |
|
c. Analyze chlorophyll samples. |
ongoing |
$96 |
Yes |
|
d. Analyze phytoplankton samples. |
ongoing |
$704 |
Yes |
|
e. Analyze zooplankton samples. |
ongoing |
$552 |
Yes |
1.3. Conduct primary productivity investigations to augment the effects of fertilization and fish stocking (ice free months 2001). |
Includes all sampling, analysis, and report writing. |
ongoing |
$27,000 |
Yes |
2. Fertilize Redfish, Pettit, and Alturas lakes. |
b. Prepare and deliver weekly reports to DEQ. |
ongoing |
$2,730 |
Yes |
4. Enumerate sockeye smolt outmigration from Pettit and Alturas lakes. We will use a smolt collection weir and a screw trap at the outlet streams of Pettit and Alturas lakes, respectively. |
Includes travel, per diem, trailer rental and labor for spring trapping season. |
ongoing |
$27,910 |
|
5. Continue monitoring O. nerka population characteristics and densities in the Sawtooth Valley lakes in conjunction with IDFG to determine inter-annual trends. |
a. Included in other objectives. |
|
$0 |
|
|
b. Estimate O. nerka stream spawner population size and sex ratio in Redfish (Fishhook Crk.), Alturas, and Stanley lakes using spawning ground surveys. Estimate spawner distribution and stream residency. Estimate fecundity for each system. |
ongoing |
$15,489 |
|
|
c. Estimate the total number of O. nerka in Sawtooth Valley lakes (Redfish, Alturas, Pettit, and Stanley) using hydroacoustics. Use vertical gillnets to assist in partitioning targets. Determine year class strength and mortality. |
ongoing |
$4,743 |
|
6. Determine direct and potential piscivorous fish effects on O. nerka populations in the Sawtooth Valley Lakes in conjunction with IDFG. |
a. Estimate potential predation and competition impacts to O. nerka by nursery lake fish community constituents by collecting stomachs from gill-netted fish. Samples will come from different time periods and lake locations |
ongoing |
$9,354 |
|
|
b. Identify and enumerate stomach contents. |
ongoing |
$13,333 |
|
8. Prepare and provide reports for updates and summaries for the Technical Oversight Committee. |
a. Limnological parameters (includes travel and per diem for meetings). |
ongoing |
$16,672 |
Yes |
|
b. Fisheries parameters (includes travel and per diem for meetings). |
ongoing |
$21,178 |
|
9. Analyze all data collected and prepare annual report for the BPA, presentations for AFS (when appropriate) and manuscripts for appropriate Journals. |
a. Limnological parameters. Includes office supplies, telephone, etc. |
ongoing |
$44,267 |
Yes |
|
b. Fisheries parameters. Includes annual office supplies, telephones, etc. and clerical support. |
ongoing |
$83,340 |
|
This information was not provided on the original proposals, but was generated during the review process.