Last updated on 13 October 2016

SUMMARY

SUMMARY

IDENTIFICATION

SCIENTIFIC NAME(s)

Sebastes alutus

SPECIES NAME(s)

Pacific ocean perch

Pacific ocean perch is assessed and managed as a single unit in the US Gulf of Alaska (GOA), but the stock structure of this species is still not fully understood (Hanselman et al., 2012; Kamin et al., 2013; Hulson et al., 2014). Some recent studies indicate a finer scale stock structure exists within the Gulf of Alaska (e.g., Palof et al., 2011; Kamin et al., 2013). Research is underway to clarify genetic structure of this species and its relationship to population dynamics (Hulson et al., 2014).


ANALYSIS

No related analysis

FISHSOURCE SCORES

Management Quality:

Management Strategy:

8

Managers Compliance:

10

Fishers Compliance:

10

Stock Health:

Current
Health:

8.6

Future Health:

8.6


FIPS

No related FIPs

CERTIFICATIONS

No related MSC fisheries

Fisheries

Within FishSource, the term "fishery" is used to indicate each unique combination of a flag country with a fishing gear, operating within a particular management unit, upon a resource. That resource may have a known biological stock structure and/or may be assessed at another level for practical or jurisdictional reasons. A fishery is the finest scale of resolution captured in FishSource profiles, as it is generally the scale at which sustainability can most fairly and practically be evaluated.

ASSESSMENT UNIT MANAGEMENT UNIT FLAG COUNTRY FISHING GEAR
Gulf of Alaska US Gulf of Alaska United States Bottom trawls

Analysis

OVERVIEW

1.STOCK STATUS

CURRENT STATUS

Last updated on 15 July 2012

The 2011 North Pacific Fisheries Management Council North Pacific Groundfish Stock Assessment and Fishery Evaluation Report suggests that Pacific ocean perch (POP) stock in Gulf of Alaska is not overfished (AFSC 2011).

2.MANAGEMENT QUALITY

MANAGEMENT

Last updated on 16 July 2012

The Pacific ocean perch (POP) stock in Alaskan waters is managed using reference values for Acceptable Biological Catch (ABC) to determine Total Allowable Catch (TAC) limits and other management recommendations for this fisheries.

Specified/recommended ABC for 2011 : 16,997 tonnes
Specified/recommended OFL (fishing mortality rate used to calculate overfishing level) for 2011 : 19,566 tonnes
TAC (2011): 16,997 tonnes
Catches (2011): 14,096 tonnes

POP catches have been below the ABC and OFL limits specified in the SAFE fishery management plan. POP catches were 15,617 t and 14,096 tonnes for the years 2010 and 2011 for the Gulf of Alaska management region.

Amendment 41 of the POP Fishery Management Plan prohibits trawling in the area east of 140o W longitude (AFSC 2011b).

COMPLIANCE

Last updated on 15 July 2012

The Pacific ocean perch (POP) fish stocks have been well managed with reported catches well below ABC and OFL limits for the years 2010 and 2011 (AFSC 2011b).

3.ENVIRONMENT AND BIODIVERSITY

BYCATCH
ETP Species

Last updated on 16 July 2012

There is limited to very low interactions of AK Bering Sea, Aleutian Islands rockfish trawl gear with PET species in Alaskan waters, with no documented mortalities of marine mammals in this fisheries (NOAA 2011). Most of the interactions with Marine mammals are under category III (remote likelihood of / no known interactions) (NOAA 2011).

Other Species

Last updated on 16 July 2012

All reported interactions with non-target species and by-catch are monitored through observer programs (NOAA Fisheries). Vessel owner/ operator or fisher must also report incidental injury or mortalities of marine mammals during a fishery operation (NOAA Fisheries 2012).

The National Marine Fisheries Service uses Steller Sea Lion Protection Measures for Alaska Groundfish Fisheries to ensure that groundfish fisheries of Alaska have minimal impact on stellar sea lion populations (Stellar sea lion No-Entry zones and critical habitat areas include a 20 nautical mile buffer area around all major rookeries and haulouts, as well as associated aquatic zones and three offshore foraging areas.

FishSource Scores

MANAGEMENT QUALITY

As calculated for 2012 data.

The score is 8.0.

This measures the F at low biomass as a percentage of the F management target.

The F at low biomass is 0.0595 (from management plan). The F management target is 0.119 .

The underlying F at low biomass/F management target for this index is 50.0%.

As calculated for 2012 data.

The score is 10.0.

This measures the Set TAC as a percentage of the ABC.

The Set TAC is 16.9 ('000 t). The ABC is 16.9 ('000 t) .

The underlying Set TAC/ABC for this index is 100%.

As calculated for 2012 data.

The score is 10.0.

This measures the Catch as a percentage of the Set TAC.

The Catch is 0.0950 ('000 t). The Set TAC is 16.9 ('000 t) .

The underlying Catch/Set TAC for this index is 0.561%.

STOCK HEALTH:

As calculated for 2012 data.

The score is 8.6.

This measures the SSB as a percentage of the SSB40%.

The SSB is 108 ('000 t). The SSB40% is 93.9 ('000 t) .

The underlying SSB/SSB40% for this index is 115%.

As calculated for 2012 data.

The score is 8.6.

This measures the F as a percentage of the F management target.

The F is 0.100 (age-averaged). The F management target is 0.119 .

The underlying F/F management target for this index is 84.0%.

To see data for biomass, please view this site on a desktop.
To see data for catch and tac, please view this site on a desktop.
To see data for fishing mortality, please view this site on a desktop.
No data available for recruitment
No data available for recruitment
To see data for management quality, please view this site on a desktop.
To see data for stock status, please view this site on a desktop.

Download Source Data

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Fishery Improvement Projects (FIPs)

No related FIPs

Certifications

Marine Stewardship Council (MSC)

No related MSC certifications

Sources

Credits
  1. AFSC. 2011a. Appendix A. Stock Assessment and Fishery Evaluation Report for the Groundfish Resources of the Bering Sea/Aleutina Islands Regions, December 2011, 9. Assessment of the Pacific ocean perch stock in the Gulf of Alaska, 72 pages.http://www.afsc.noaa.gov/REFM/docs/2011/GOApop.pdf
  2. AFSC. 2011b. Appendix B, Stock Assessment and fishery evaluation report for the Groundfish Resources of the Gulf of Alaska, December 2011, 50 pages.http://www.afsc.noaa.gov/REFM/docs/2011/GOAintro.pdf
  3. DFO. 2011. Stock assessment for Pacific ocean perch (Sebastes alutus) in Queen Charlotte Sound, British Columbia, Canadian Science Advisory Secretariat, Department of Fisheries and Oceans Canada, 180 pages. http://www.dfo-mpo.gc.ca/Csas-sccs/publications/resdocs-docrech/2011/2011_111-eng.pdf
  4. Hamel, O.S. 2009. Status and Future Prospects for the Pacific Ocean Perch Resource in Waters off Washington and Oregon as Assessed in 2009, Northwest Fisheries Science Center, 58 pages.http://www.pcouncil.org/wp-content/uploads/POP_Assessment_2009_Final_SAFE_version.pdf
  5. Hamel, O.S., Ono, K. 2011. Stock Assessment of Pacific Ocean Perch in Waters off of the U.S. West Coast in 2011, Pacific Fishery Management Council, 168 pages.http://www.pcouncil.org/wp-content/uploads/Pacific_Ocean_Perch_2011_Assessment.pdf
  6. Hanselman, D. Shotwell, K., Palof, K. and Hulson, P. 2012. Evaluation of stock structure for Gulf of Alaska Pacific ocean perch. September 2012 Plan team draft. Alaska Fisheries Science Center. 25 pp.http://www.afsc.noaa.gov/REFM/stocks/Plan_Team/2012/Sept/GOApop_structure.pdf
  7. Hulson, P.F, Hanselman, D.H., Shotwell, S.K., Lunsford, C.R. and Ianelli, J.N., 2014. Assessment of the Pacific ocean perch stock in the Gulf of Alaska. Chapter 9. In: North Pacific Fishery Management Council (ed.) STOCK ASSESSMENT AND FISHERY EVALUATION REPORT FOR THE GROUNDFISH RESOURCES OF THE GULF OF ALASKA. Anchorage. p. 547-638.http://www.afsc.noaa.gov/REFM/Docs/2014/GOApop.pdf
  8. Kamin, L.M., Palof, K.J., Heifetz, J. and Gharrett, A.J., 2014. Interannual and spatial variation in the population genetic composition of young-of-the-year Pacific ocean perch (Sebastes alutus) in the Gulf of Alaska. Fisheries Oceanography, 23, 1: 1-17.http://dx.doi.org/10.1111/fog.12038
  9. Palof, K., Heifetz, J. and Gharrett, A., 2011. Geographic structure in Alaskan Pacific ocean perch (Sebastes alutus) indicates limited lifetime dispersal. Marine Biology, 158, 4: 779-792.http://dx.doi.org/10.1007/s00227-010-1606-2
  10. PFMC. 2011. Pacific Ocean Perch Stock Assessment Review (STAR) Panel Report, Hotel Deca, Seattle, Washington 20‐24 June 2011, 17 pages.http://www.pcouncil.org/wp-content/uploads/G4a_SUP_ATT2_STAR_POP_SEPT2011BB.pdf
  11. Schnute, J.T., Haigh, R., Krishka, B.A., Starr, P. 2001. Pacific Ocean Perch Assessment for the West Coast of Canada in 2001, Department of Fisheries and Oceans Canada, 96 pages.ftp://ftp.pcouncil.org/pub/GF_STAR_2_2011_POP_PetraleSole/POP_reports_Canada%20assessment%202009.pdf
  12. Westrheim, S.J. 1977. Production and Stock Assessment of Principal Groundfish Stocks off British Columbia, Pacific Biological Station, August 1977, Fisheries & Marine Service Industry Report No. 94, 52 pages.http://www.dfo-mpo.gc.ca/Library/38939.pdf
  13. Edwards, A.M., Starr, P.J. and Haigh, R. 2012. Stock assessment for Pacific ocean perch (Sebastes alutus) in Queen Charlotte Sound, British Columbia. DFO Can. Sci. Advis. Sec. Res. Doc. 2011/111. viii +172 p.
  14. Ianelli, J. N., D. H. Ito. 1991. Stock assessment of Pacific ocean perch (Sebastes alutus) using an explicit age structured model. In Stock assessment and fishery evaluation report for the groundfish resources of the Bering Sea/Aleutian Islands region as projected for 1992 (November 1991), North Pacific Fishery Management Council, 20 pp.
  15. Ianelli, J. N., D. H. Ito. 1992. Pacific ocean perch. In Stock assessment and fishery evaluation report for the groundfish resources of the Bering Sea/Aleutian Islands region as projected for 1993 (November 1992), North Pacific Fishery Management Council, 36 pp.
  16. Ianelli, J.N., Zimmerman, M. 1998. Status and Future for the Pacific Ocean Perch Resource in waters off Washington and Oregon as assessed in 1998, Alaska Fisheries Science Center
  17. National Marine Fisheries Service, October 6, 1998, 61 pages.
  18. Love, M.S, Yoklavich, M.M. and Thorsteinson, L., 2002. The Rockfishes of the Northeast Pacific. University of California Press, Los Angeles. 407 pp.
  19. NOAA. 2011. Final 2011 List of Fisheries (LOF), The List of Fisheries (LOF) classifies U.S. commercial fisheries into three Categories according to the level of interactions that result in incidental mortality or serious injury of marine mammals.http://www.nmfs.noaa.gov/pr/interactions/lof/final2011.htm
  20. NOAA Fisheries. 2012. Fisheries Interactions/Protected Species Bycatch, NOAA Fisheries Office of Protected Resources. http://www.nmfs.noaa.gov/pr/interactions/
  21. Spencer, P.D., J.N. Ianelli. 2001. The implementation of an AD Modelbulder catch at age model for Bering Sea/Aleutian Islands Pacific ocean perch. In Stock assessment and fishery evaluation report for the groundfish resources of the Bering Sea/Aleutian Islands region (September 2001), North Pacific Fishery Management Council, 36 pp.
References

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