Stein Hjalti í Jákupsstovu, Jákup Reinert and Petur Steingrund (377.6Kb)

(1)

Cod in Faroese waters

Stein Hjalti í Jákupsstovu Jákup Reinert

Petur Steingrund

(Faroese Fisheries Laboratory)

(2)

(3)

(4)

0 15 30 45 60 75 90

0 1 2 3 4 5 6 7 8 9

Aldur, ár

Miðallongd, cm

50 % av tosk inum kynsbúgvin

(5)

0 10000 20000 30000 40000 50000 60000 70000

1903 1909 1915 1921 1927 1933 1939 1945 1951 1957 1963 1969 1975 1981 1987 1993 1999

(6)

0 20000 40000 60000 80000 100000 120000 140000

1961 1966 1971 1976 1981 1986 1991 1996 2001

Tonnes

0

10000 20000 30000 40000 50000 60000

Thousends

TOTSPBIO RECRUITS age 2

(7)

Primary production and cod recruitment

2 4 6 8 10 12 14 16 18

Primary production index

0 10 20 30 40 50

Recruitment of 2 years old cod (mill.)

1990 1992 1994 1996 1998 2000 2002 Primary production 2 years old cod

(8)

Primary production and cod production

2 4 6 8 10 12 14 16 18

Primary production indeks

0 20 40 60 80

Total cod production

1990 1992 1994 1996 1998 2000 2002 Primary production Cod production

(1000 tons)

(9)

The larger stern trawlers

• Not in the effort regulation.

• 13

• Engine >1000 Hp

• redfish, blue ling, saithe, cod on the Faroe Iceland ridge,

• Quota cod and haddock

(10)

The pair trawlers

• 31 licenses

• Engines >400 hp

• Regulated by the effort quota system

• Saithe target species, by catches of cod and haddock.

(11)

Longliners

• 19 >110 GRT

• Regulated by the effort quota system

• Operate all over the shelf and on the Faroe Bank targeting cod

and haddock and off the shelf for tusk and ling.

(12)

Coastal longliners and jiggers

• 15 - 110 GRT

• 72

• are regulated by the effort quota system

• Operate mainly on the shelf and on the Faroe Bank targeting cod

and haddock.

(13)

Small coastal boats

• < 15 GRT.

• Full time vessels 179 individual effort

quotas.

• Part time 1040

combined effort quota.

• mainly for cod and haddock on the shelf,

• variety of different types of boats

(14)

The closed areas

5 W EE

Z e

7

1000 m

200 m 500 m

l f

o k

7 W

5 j

2 3

4 6

r g s

12 nm

a aa

9 W 61 N

h

b

c 1 62 N

(15)

Closure timing

(16)

Aimed distribution of catches

Fleet category Cod Haddock Saithe Redfish

Long-liners<110 GRT, jiggers, single trawl < 400 HP

51 58 17,5 1

Long-liners > 110 GRT 23 28 0 0

Pair-trawlers 21 10.25 69 8.5

Single trawlers > 400 HP 4 1.75 13 90.5

Others 1 2 0.5 0.5

(17)

F on cod

0 0.2 0.4 0.6 0.8 1

1983 1985 1987 1989 1991 1993 1995 1997 1999 2001

AR 3- 7 AR 3-6

1983- 1990

1995- 2002 F3-7 0.62 0.56 F3-6 0.57 0.46

(18)

Reference points

B_lim is 21 000 t, the lowest observed biomass

B_pa be set at 40 000 t

F_lim is 0.68 F_pa be set at 0.35

(19)

No’s of days used

Table 4. Number of fishing days used by various fleet groups in Vb1

Long- liners 0- 110 GRT, jiggers, trawlers

<400hp

Long-liners

<110 GRT

Pair- trawlers

>400 HP

Average 85-95

22333 3023 10778

1998 23971 2519 6209

1999 21040 2428 7135

2000 24820 2414 7167

2001 29560 2512 6771

2002 30333 2680 6749

Average 98-01

25945 2511 6806

(20)

F on saithe, haddock and cod

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 hadFBAR 3-7 saiFBAR 3-7 Fcod3-6