"Management and monitoring of deep-sea fisheries and stocks"

DEEPFISHMAN

Case Study 5

Data Rich Stock – NAFO Greenland halibut Sub-area 2 and Division 3KLMNO stock

Participants IEO

Person-months 4 3

NAFO Greenland halibut Sub-area 2 and Division 3KLMNO stockAreaFisheryRegulations

65° 63° 61° 59° 57° 55° 53° 51° 49° 47° 45° 43° 41°42°

44°

46°

48°

50°

52°

54°

56°

58°

60°

62°

NEWFOUNDLAND GRAND BANK

FLEMISHPASS

LABRADOR

GREENLAND0B

2G

2H

2J

3K

3L3M

3N3O

3Ps

1E

1F

200 MILE

LIMIT

NEWFOUNDLAND

FLE

MIS

H C

AP

LABRADOR

SEA

200 m1000 m

SAGLEKBANK

NAINBANK

HAMILTONBANK

NE N

EWFO

UN

DLAN

D

SH

ELF

HOPEDALE CHANNEL

CARTWRIGHT CHANNEL

HAWKE CHANNEL

LAURENTION CHANNEL

GULF

OFST. LAWRENCE

STRAIT OFBELLE ISLE

SACKVILLE SPUR

NAFO Area

Greenland Halibut Fishery

Fishing grounds: Between 600-1300 m. Depth Catch levels: 22.000 – 25.000 ton Countries: Spain, Portugal, Canada, Russia, etc Fleet: around 60 vessels Gear: Bottom trawl Last assessment:

XSA Model Explo. Biomass = 86.000 tons Fbar (5-10) = 0.432

Fishery regulations

Gear mesh size: 130 mm Minimum Fish size: 30 cm. TAC: 16.000 tons Recovery plan objective:

140.000 tons of Exploitable biomass in 2018

Deliverables

How and When

Deliverables I historical development of the fisheries, including catches and fleet.

Part of this point are now available (catches) in NAFO, the other points (development of the fishery and fleet) they would be callected by the proyect and it would be available in six mounths.

biological parameters of the target species with up to date description of the current knowledge of their life history pattern, stock structure and status The knowledge of the biolagical parameters and the life history are availables in

differents NAFO Scientific Council Research documents and we will try to compile this information for the final report.

The stock structure information is very poor and we will try to compile this information for the final report.

The most recent stock status information will be revise in the June meeting of the NAFO Sicentific Council and will be available in six mounths.

review of assessment method used so far The review of the assessment methods will be carried out in a special NAFO

working group in next June and the results will be available in six mounths.

Deliverables II inventory of the fisheries, biological, biodiversity and socio-

economic data currently available for management and monitoring purposes. These data are not available and they will be collected by the proyect. The biological and biodiversity data will be extracted of the scientific

surveys carried out in the area and we expect significant data available. The socio-economic data will be compile in colaboration with the industria

sector and some of these information will be limited and probably subject to a confidentiality restrition.

These information will be available in the final casy study report (12 months).

review of kown and likely impact of the fishery on deep-water biodiversity Information about this topic is available in the NAFO Working Group

Ecosystem Approach for Fisheries Management (WGEAFM) and they will meet next november and the information for the proyect it will be in the final casy study report (12 months).

Deliverables III

review of current and historical management and monitoring procedures. SWOT (Strength and weaknesses, Opportunities and threats) and gap analysis of past and present scientific projects and data collection programmes in terms of fulfilling the data requirements for adequate management and monitoring regimes. The first part of this point it would be available in the final report of the casy

study and part of this information can be found in the NAFO Scientific Council Study Group on Rebuilding Strategies for Greenland halibut met in Februry 2008.

Available Fishery Data

Available data from the commercial fisheries related to stock assessment (2007). (+ means data available).

Biological SamplingStock Country1Catch CPUE Sex Length Age IndividualWt. MaturitySA 2+3 Green- CAN + + + + + + land halibut EU/PRT + + + +

EU/ESP + + + +EU/EST +EU/LTU +FRA (SPM)+FRO +JPN +RUS + + +

Questions

What it would be the data level needed for the work packages, stock, country,?

What it would be the period for the data? It would be good have a format to the data

by package.

Appendix 1

Data availability

Case Study 5

Topic Data Greenland Halibut, NAFO

History

Catch R* (1960-1974) and R***(1975-2008)

effort R* (1960-2008) and C***( -2008)

Fleet C***(1991-2008)

Other History description of the Fishery C***

Topic Data Greenland Halibut, NAFO

Biology

Life cycle R*

B. parameters R**

Stock structure R*

Species ecol. R**

Biodiversity

Bycatch C***(1990-2008)

Benthos R** (NEREIDA)

VMEs R** (NEREIDA)

Fishing impacts R** (NEREIDA)

Ecosys. Funct.

Topic Data Greenland Halibut, NAFO

Economy

Fish prices C**

Fishing costs C*

Investment C*

Other

Social

Nb of companies C**

On-board employ. C**

land based employ. C*

Other

Topic Data Greenland Halibut, NAFO

Assess. Method and

data

Method used R***

Length distr R**

Data/c_at_age R**

CPUEs R**

Survey data R**

Others

Management

Procedure R***

Regulation R***

Impact on fleet R**

Other

Thank you for your attention