Title goes here ATLANTIC BLUEFIN TUNA RESEARCH AND MANAGEMENT

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Presentation transcript:

Title goes here ATLANTIC BLUEFIN TUNA RESEARCH AND MANAGEMENT P.M. Miyake iccat PETER MIYAKE

outline Distribution and stock hypothesis Fisheries and catches Stock conditions Future prospect Regulations outline P.M. Miyake iccat Current and potential problems

Distribution and stock hypothesis outline P.M. Miyake iccat

Distribution 2 11/8/2018

STOCK HYPOTHESIS TWO STOCK HYPOTHESIS WHY WEST STOCK EAST STOCK (INCLUDING MEDITERRANEAN) WHY TWO SPAWNING GROUNDS SOME DISCREPANCIES IN DISTRIBUTION 11/8/2018

Catch dist. -1997 11/8/2018

Recent Japanese LL catch 11/8/2018

Electronic tags 11/8/2018

Tag recovery rewards * 07/16/96 11/8/2018 *

Results of tag recapture 11/8/2018

Distribution 2 11/8/2018

outline Distribution and stock hypothesis Fisheries and catches P.M. Miyake iccat

Catch by Ocean regions 11/8/2018

Catch by gears WEST ATLANTIC 11/8/2018

Catch by gears EAST ATL (incl. MED) 11/8/2018

Data modification 11/8/2018

West stocks 11/8/2018

outline Distribution and stock hypothesis Fisheries and catches Stock conditions - WEST P.M. Miyake iccat

Spawning biomass estimated by VPA 11/8/2018

Recruitment estimated by VPA 11/8/2018

Projections with low recruitment scenario 11/8/2018

Projections with high recruitment scenario 11/8/2018

Regulations Quota for 2001 Canada 573 MT France (OT) 4 Japan 453 USA 1387 UK (OT) 4 Discard 79 11/8/2018

East stocks 11/8/2018

outline Distribution and stock hypothesis Fisheries and catches Stock conditions - EAST P.M. Miyake iccat

Catches of east Atl and Med Comparisons between data used in 1997 and 2000 11/8/2018

Stock size estimates Age 1-3 fish 11/8/2018

Stock size estimates Age 4-7 fish 11/8/2018

Stock size estimates Age >8 fish 11/8/2018

Spawning stock biomass estimates 11/8/2018

* 07/16/96 Projection With 42,000 MT annual catches 11/8/2018 *

Projection With 75% of 1994 F (25,000 MT annual catches) 11/8/2018

outline Distribution and stock hypothesis Fisheries and catches Stock conditions Future prospect outline P.M. Miyake iccat Regulations

Minimum size regulations < 6.4 kg with an allowance of 15% in No. 11/8/2018

Minimum size regulations < 6.4 kg with an allowance of 15% in No. < 3.2 kg with no allowance. (no catch, no retail no sales) 11/8/2018

Catch quota East stocks 1999 2000-2001 China 82 76 MT Croatia 950 876 1999 2000-2001 China 82 76 MT Croatia 950 876 EC 20,165 18,590 Japan 3,199 2,949 Korea 672 619 Tunisia 2,326 2,144 Morocco 820 756 Libya 1,300 1,199 Non-Cont 2,486 2,291 11/8/2018 Objection received and not valid for those countries

Catch quota East stocks 1999 2000-2001 China 82 76 MT Croatia 950 876 1999 2000-2001 China 82 76 MT Croatia 950 876 EC 20,165 18,590 Japan 3,199 2,949 Korea 672 619 Tunisia 2,326 2,144 Morocco 820 3,028 Libya 1,300 1,570 Non-Cont 2,486 2,291 11/8/2018 Objection received and not valid for those countries National target level declared by the country

BFT Farming 11/8/2018

BFT Farming Possible problems Expanding middle quality market in Japan 11/8/2018

Japanese sashimi market structure 11/8/2018

BFT Farming Possible problems Expanding middle quality market in Japan Resources Environment Sanitary Statistics 11/8/2018

Management Failure? Acceptance of TAC Agreement on share (quota) Implementation of regulations Compliance 11/8/2018

* 07/16/96 By-catch problem Porpoise Shark (Elasmobranchs) 11/8/2018 *

Total shark by-catches reported to ICCAT 11/8/2018

By-catch problem Porpoise Shark (Elasmobranchs) Sea birds Turtle Discards of undersized fish undesirable species over quota1 11/8/2018

THANKS FOR YOUR ATTENTION 11/8/2018