Last updated on 12 October 2016

SUMMARY

SUMMARY

IDENTIFICATION

SCIENTIFIC NAME(s)

Sebastes alutus

SPECIES NAME(s)

Pacific ocean perch

Pacific ocean perch off the coast of British Columbia is assessed as three distinct units: west coast of Vancouver Island (areas 3C and 3D), north and west coasts of Haida Gwaii (areas 5D and 5E) and Queen Charlotte Sound (3A, 3B and 3C). Studies on stock structure have shown some evidence for a Queen Charlotte Sound stock, but others for a British Columbia stock (Spencer & Ianelli, 2014).


ANALYSIS

Strengths
  • Regular stock assessments are in place for Pacific ocean perch in both Canadian and U.S. waters.
  • Catches in both commercial hook and line and trawl fisheries are well monitored.
  • Total Allowable Catch (TAC) limits are in place and well enforced in both Canadian and U.S. waters.
Weaknesses
  • Early catch history and biomass indices are not available for the period prior to mid-1960s, with most of the age composition data starting in 1978, which is a concern due to the relatively long lived nature of this species (upto 98 years).
  • There is a need to improve data collection for discards in this fishery for many jurisdictions.

FISHSOURCE SCORES

Management Quality:

Management Strategy:

≥ 6

Managers Compliance:

≥ 6

Fishers Compliance:

10

Stock Health:

Current
Health:

≥ 6

Future Health:

≥ 6


RECOMMENDATIONS

CATCHERS & REGULATORS
  • Start a fishery improvement project to address sustainability issues in this fishery. For advice on starting a FIP, see SFP’s Seafood Industry Guide to FIPs.
  • Communicate to fishery managers that there are sustainability issues in this fishery that may be affecting the sale of products, and request that they comprehensively evaluate and address such issues.
RETAILERS & SUPPLY CHAIN
  • Encourage your supply chain to start a fishery improvement project. For advice on starting a FIP see SFP’s Seafood Industry Guide to FIPs.
  • Work with other suppliers and buyers on a pre-competitive basis to start a supplier roundtable to review improvement needs in this and other similar fisheries, catalyze fishery improvement projects, and monitor progress in improvement efforts.

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
West coast of Vancouver Island Canada 3CD Canada Bottom trawls

Analysis

OVERVIEW

Last updated on 19 July 2012

Strengths
  • Regular stock assessments are in place for Pacific ocean perch in both Canadian and U.S. waters.
  • Catches in both commercial hook and line and trawl fisheries are well monitored.
  • Total Allowable Catch (TAC) limits are in place and well enforced in both Canadian and U.S. waters.
Weaknesses
  • Early catch history and biomass indices are not available for the period prior to mid-1960s, with most of the age composition data starting in 1978, which is a concern due to the relatively long lived nature of this species (upto 98 years).
  • There is a need to improve data collection for discards in this fishery for many jurisdictions.
RECOMMENDATIONS

Last updated on 12 October 2016

Improvement Recommendations to Catchers & Regulators
  • Start a fishery improvement project to address sustainability issues in this fishery. For advice on starting a FIP, see SFP’s Seafood Industry Guide to FIPs.
  • Communicate to fishery managers that there are sustainability issues in this fishery that may be affecting the sale of products, and request that they comprehensively evaluate and address such issues.
Recommendations to Retailers & Supply Chain
  • Encourage your supply chain to start a fishery improvement project. For advice on starting a FIP see SFP’s Seafood Industry Guide to FIPs.
  • Work with other suppliers and buyers on a pre-competitive basis to start a supplier roundtable to review improvement needs in this and other similar fisheries, catalyze fishery improvement projects, and monitor progress in improvement efforts.

1.STOCK STATUS

STOCK ASSESSMENT

Last updated on 19 July 2012

Stock assessments have been conducted regularly in both U.S. and Canadian waters using catch at age, length-at-age, and age structured models (Edwards et al., 2012; Schnute et al., 2001; Wetrheim 1977; Spencer and Ianelli 2001; Ianelli and Zimmerman 1998; DFO 2011; Hamel and Ono 2011; PFMC 2011; Ianelli and Ito 1992).

SCIENTIFIC ADVICE

Last updated on 19 July 2012

No scientific advice is regularly or systematically provided but the authors of a recent assessment suggest that the present TAC rates should be maintained due to relatively slow growth rate of the rockfish species in the Pacific Ocean.

Reference Points

Last updated on 19 Jul 2012

Reference points (Source: Hamel and Ono 2011; DFO 2011).
Natural Mortality (M): 0.050
SB0 (million mt): 0.066
2010 SPR ratio: 0.261
Bmsy: 0.25 (0.17-0.35)
Exploitation rate (2010): 0.041-0.152

Reference points (Source: Hamel 2009).
SBmsy = 15112
Fmsy = 0.0406

CURRENT STATUS

Last updated on 20 July 2012

An overall assessment of stock assessment reports in its three jurisdictions of Bering Sea/Aleutian Islands, Gulf of Alaska, British Columbia (Canada) and Continental U.S. West coast states suggest that the stock is not overfished. However, current fishing mortality levels suggest that the stock is recovering from an overfished condition and there is considerable uncertainty on how the low level of stock abundance, with increasing exploitation rate in recent years affecting recovery of the stock (PFMC 2011).

Trends

Last updated on 20 Jul 2012

The Pacific ocean perch was heavily exploited by foreign fleets in the mid-1970s. The depleted stock was able to recover to a certain extent in early 1980s with the declaration of Canadian EEZ. The stock was thereafter exploited by domestic bottom trawl fleet, with the declining trend halted after a 700 tonnes reduction in TAC since 2006 (DFO 2011).

2.MANAGEMENT QUALITY

MANAGEMENT

Last updated on 27 August 2012

The fishery is managed through licensing, trip limits and annual total allowable catch (limits) throughout this region.

Recovery Plans

Last updated on 27 Aug 2012

None are foreseen under the current DFO management policy.

COMPLIANCE

Last updated on 27 August 2012

The Pacific ocean perch fishery is managed through Total Annual Catch (TAC) limits and catches have been below allocated TAC since 1996, alluding to good compliance in this fishery off British Columbia. All vessels targeting rockfish in the groundfish fishery need to be licensed, with trip limits and area restrictions to protect sensitive habitats and limit interactions with ETP Species. The fishery is well enforced and there are no reported problems associated with IUU catches in this fishery. See DFO (2012c) document for enforcement and compliance plan in this fishery.

3.ENVIRONMENT AND BIODIVERSITY

BYCATCH
ETP Species

Last updated on 27 August 2012

There are no reported interactions with marine mammals and ETP species in this fishery off British Columbia waters. Some of the other finfish species caught using bottom trawls in this fishery off British Columbia waters include “arrowtooth flounder Atheresthes stomias (17%), yellowmouth rockfish Sebastes reedi (10%), and Dover sole Microstomus pacificus (5%)”, with Pacific Ocean perch comprising 45% of the catch weight. Three rock fish species of interest to COSEWIC (Committee on the Status of Endangered Wildlife in Canada) comprise less than 1% of total catch by weight in the POP bottom trawl fisheries (Edwards et al., 2012; DFO 2012c).

Other Species

Last updated on 20 July 2012

Interactions with all ETP species are monitored at regular intervals through observer program, and fishermen are required to report interactions with species listed under Species at Risk Act (SARA), which include several species of marine mammals and finfish species. Interactions with ETP species are minimized through Area restrictions, year-round and seasonal closures, gear restrictions in Rockfish conservation areas. Further protection is afforded through adequate onboard observer coverage and a pilot program has been initiated in 2011 through groundfish integrated logbook for skates, sea birds, marine mammals and sharks (DFO 2012c).

HABITAT

Last updated on 20 July 2012

No reports of habitat impact of the gear could be located, but bottom trawling has impacts on bottom habitats, varying in intensity with sediment type and biota present.

Marine Reserves

Last updated on 20 Jul 2012

Area and seasonal restrictions on fishing are in place, aimed at reducing the bycatch of Chinook salmon and depleted rockfish. No fishing is allowed in the Klamath and Columbia River Conservation zones and catches are limited in the Eureka INPFC area (Stewart and Hamel 2010).

Two Marine Protected Areas also exist under Canada’s jurisdiction: Bowie Seamount and the Endeavour Hydrothermal Vents, to protect the marine biodiversity associated with these structures (DFO 2012). In addition there are 164 Rockfish Conservation Areas (RCAs) along the Pacific coast of British Columbia where bottom trawling is prohibited throughout the year (DFO 2012b).

Trawl fishing is forbidden in twelve Rockfish Conservation Areas off the U.S. Pacific coast and two Cowcod Conservation Areas, aimed at protecting these depleted species, and in the Cordell Banks and Farallon Islands Closed Areas (NMFS 2009).

FishSource Scores

Last updated on 8 May 2018

SELECT SCORES

MANAGEMENT QUALITY

As calculated for 2012 data.

The score is ≥ 6.

The stock is managed through Trip limits and TAC; The scientific body that officially conducts regular stock assessments recognizes the management plan as precautionary.

As calculated for 2012 data.

The score is ≥ 6.

The results from stock assessments are explicitly considered in management decisions; All key recommendations made by the scientific organization responsible for the stock assessments are being taken into account by the management bodies via tangibly implemented conservation measures.

As calculated for 2012 data.

The score is 10.0.

This measures the Estimated catch as a percentage of the Set TAC.

The Estimated catch is 0.382 ('000 t). The Set TAC is 0.530 ('000 t) .

The underlying Estimated catch/Set TAC for this index is 72.1%.

STOCK HEALTH:

As calculated for 2012 data.

The score is ≥ 6.

The scientific body conducting stock assessments notes that recent catch levels do not constitute a problem for stock condition.

As calculated for 2012 data.

The score is ≥ 6.

The stock is NOT managed through quotas or TACs; The harvest levels are recognizably NOT unsustainable but fishing pressure is regarded as still high.

No data available for biomass
No data available for biomass
To see data for catch and tac, please view this site on a desktop.
No data available for fishing mortality
No data available for fishing mortality
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.
DATA NOTES
  1. Qualitative scores have been assigned for management precaution, managers' compliance, current stock health and future stock health. Scores are for entire British Columbia; specific scores for assessment units are to be developed.
  2. Set TAC and actual catches values are based on estimates in Edwards et al. 2014.

Download Source Data

Registered users can download the original data file for calculating the scores after logging in. If you wish, you can Register now.

Fishery Improvement Projects (FIPs)

No related FIPs

Certifications

Marine Stewardship Council (MSC)

No related MSC certifications

Sources

Credits
  1. DFO, 1999. Pacific Ocean Perch, British Columbia coast. Stock status Report A6-11, 5p. http://www.fishsource.org/site/control_panel_for_uuid/b2bb0930-402c-11e0-b310-40406781a598
  2. DFO. 2011. Stock assessment for Pacific ocean perch (Sebastes alutus) in Queen Charlotte Sound, British Columbia in 2010. DFO Can. Sci. Advis. Sec. Sci. Advis. Rep. 2011/017, 11 pages.http://www.dfo-mpo.gc.ca/Csas-sccs/publications/resdocs-docrech/2011/2011_111-eng.pdf
  3. DFO. 2012b. Rockfish Conservation Areas (RCAs).http://www.pac.dfo-mpo.gc.ca/fm-gp/maps-cartes/rca-acs/index-eng.htm
  4. DFO. 2012c. Pacific Region Integrated Fisheries Management Plan - Groundfish, Feb 21, 2011 to Feb 20, 2013, 224 pages http://www.pac.dfo-mpo.gc.ca/fm-gp/mplans/ground-fond_2012-13.pdf
  5. DFO. 2012. Marine Protected Areas. Fisheries and Oceans Canadahttp://www.dfo-mpo.gc.ca/oceans/marineareas-zonesmarines/mpa-zpm/index-eng.htm
  6. 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
  7. NMFS. 2009. Our living oceans. Report on the status of U.S. living marine resources, 6th edition. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-F/SPO-80, 369 p.http://spo.nmfs.noaa.gov/olo6th-edition.htm
  8. 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
  9. 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
  10. Stewart, I. J. and O. S. Hamel, 2010. Stock Assessment of Pacific Hake, Merluccius productus, (a.k.a.Whiting) in U.S. and Canadian Waters in 2010. Final - SAFE version. Northwest Fisheries Science Center, National Marine Fisheries Service.http://www.pcouncil.org/wp-content/uploads/E3a_ATT2_HAKE_USCAN_NWFSC_MARCH_2010_BB.pdf
  11. 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
  12. 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.
  13. 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, National Marine Fisheries Service, October 6, 1998, 61 pages.
  14. 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.
  15. 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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