Proposal title | Performance/Stock Productivity Impacts of Hatchery Supplementation. |
Proposal ID | 199005200 |
Organization | Biological Resources Division, U.S. Geological Survey (formerly National Biological Survey) (BRD) |
Proposal contact person or principal investigator |
Name | Reg Reisenbichler |
Mailing address | Western Fisheries Research Center, 6505 NE 65th St. Seattle, WA 98115 |
Phone / email | 2065266559 / reg_reisenbichler@usgs.gov |
Manager authorizing this project | Reg Reisenbichler |
Review cycle | FY 2001 Ongoing |
Province / Subbasin | Systemwide / Systemwide |
Short description | Measure genetic changes from artificial propagation of steelhead and spring chinook to provide increased understanding of the reputed failure of steelhead supplementation in Idaho's Clearwater River and an improved knowledge basis for supplementation. |
Target species | |
Year | Accomplishment |
1995 |
Publication: Reisenbichler, R.R., and G.S. Brown. 1995. Is Genetic Change From Hatchery Rearing of Anadromous Fish Really a Problem? Pages 578-579 in H.L. Schramm, Jr., & R.G. Piper [eds] Uses and Effects of Cultured Fishes in Aquatic Ecosystems. AFS |
1996 |
Conference Proceedings: Reisenbichler, R.R. 1996. Effects of supplementation with hatchery fish on carrying capacity and productivity of naturally spawning populations of steelhead. Pages 81-92 in G.E. Johnson, D.A. Neitzel, and W.V. Mavros [eds.] … |
1997 |
Publication: Reisenbichler, R.R.. 1997. Genetic factors contributing to declines of anadromous salmonids in the Pacific Northwest. Pages 223-244 in D.J. Stouder, P.A. Bisson, and R. J. Naiman [eds.] Pacific Salmon and Their Ecosystems: Status and … |
1998 |
Conference Proceedings: Reisenbichler, R.R. 1998. Questions and partial answers about supplementation--genetic differences between hatchery and wild fish. Pages 29-38 In E.L. Brannon and W.C. Kinsel [eds] …Columbia R Anadromous Salmonid Rehabilitation … |
1999 |
Publication: Reisenbichler, R.R., and S.P. Rubin. 1999. Genetic changes from artificial propagation of Pacific salmon affect the productivity and viability of supplemented populations. ICES Journal of Marine Science 56:459-466. |
2000 |
Progress report: describes ~10% reduction in fry-to-smolt survival of HxH (hatchery) compared to WxW (wild) salmon in the Little White Salmon River. Timing of outmigration also differed among groups. Other differences were apparent in the hatchery. |
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1. Compare the growth and survival of genetically marked offspring from wild, Clearwater River, steelhead (W) and from Dworshak National Fish Hatchery (Dworshak NFH) steelhead (H) rearing together in two natural streams in the Clearwater River system, Id |
a. Process samples, analyze data, and write report. |
2 |
$79,156 |
|
2. Compare the growth and survival of genetically marked offspring of wild spring chinook salmon from Warm Springs River (W) and of Warm Springs Hatchery fish (H) released into the Metolius River, OR. |
a. Capture hatchery and wild adults, combine their gametes to create genetically marked groups of HxH, HxW, and WxW fish at the s-SOD locus, and release these experimental groups of fish as eyed embryos or swim-up fry in the Metolious R |
1 |
$26,770 |
|
2. |
b. Sample juveniles residing in the Metolius R. in August, and trap juveniles migrating downstream. Determine relative survival and size of the offspring of hatchery and wild fish. |
2 |
$184,700 |
|
3. Compare the growth and survival of genetically marked offspring from wild fish and from hatchery fish in hatchery ponds at Clearwater, or Warm Springs hatcheries. Growth (in length and weight) and relative survival will be evaluated |
a. Rear genetically marked HxH, HxW, and WxW groups of salmon, spawned in Task 2a, together in hatchery troughs or ponds using standard hatchery rearing practices and release the fish at the standard time of release. |
1 |
$50,900 |
|
(cont) immediately before the juvenile fish are released from the hatchery as smolts, and as returning adults. |
b. Compare the relative survival and size of experimental salmon shortly before the standard release date. |
2 |
$54,540 |
|
|
c. Mark the experimental fish with an external mark so that they can be recognized when they return as adults. Determine relative return rates and sizes of these fish when they return as adults. |
2 |
$52,500 |
|
4. Test for selection on the genetic marks by comparing the growth and survival of juvenile fish with the different genotypes rearing together in natural streams and in hatcheries. |
a. Determine relative return rates and sizes of fish with the different genetic marks when they return to the hatcheries as adults. |
1 |
$26,100 |
|
5. Determine the effect of egg size on subsequent growth and survival of juvenile steelhead in streams and in the hatchery. |
a. Sample juvenile steelhead in Silver Cr. at the end of the growing season, and determine the mean size and relative survival of fish from the different egg-size groups. |
2 |
$14,900 |
|
6. Test for an effect of incubation temperature by comparing the growth and survival of juvenile steelhead from matings early in the season, incubated at 7 C and from matings made later, incubated at 12 C. |
a. Process samples, analyze data, and write report. |
2 |
$13,100 |
|
7. Test for an effect of cryopreservation by comparing the growth and mortality, and the response to various stressors of juvenile fish from "fresh" and cryopreserved milt. |
a. Analyze data and write report. |
1 |
$25,040 |
|
This modest change (+$8700) resulted from more accurate cost estimates, and the need to process samples that would have been processed the previous year had not FY 2000 funding been below the requested level.
No change in scope.
This information was not provided on the original proposals, but was generated during the review process.
There is no change in scope of work. This proposal is consistent with the outyear estimates that will bring it to conclusion in FY 2003.