This paper not to be cited without prior reference to thc authors.
INTERNATIONAL COUNCIL FOR
TUE EXPLORATION OFTUE SEA
C.M. 19811G: 71
Demersal Fish Committee
•
REPORT ON TUE CATCHES OF COD, HADDOCK, WHITING AND NORWAY POUT
DURING THE ICES YOUNG HERRING SURVEY 1981
by
N. Daan and C.J. Kuiter
Netherlands Institute for Fishery Investigations
Haringkade 1, Postbox 68,
1970 AB IJmuiden, The Netherlands .
•
This paper not to be cited without prlor reference to the authors.
International Council for the
Exploration of the Sea
C.M.1981/G : 71
Demersal Fish Committee
REPORT ON THE CATCHES OF COD, HADDOCK, WHITING
AND NORWAY POUT DURlNG THE lCES YOUNG HERRING
SURVEY 1981.
by
N. Daan and C.J. Kuiter
Netherlands Institute for
Fishery Investigations
Haringkade 1, Postbox 68
1970 AB IJmuiden, The Netherlands.
Introduction
The ICES Young Fish Surveys carried out since 1965 have so far been
used to estimate the abundance, the distribution and the mean size
of the youngest two age groups of roundfish in the catch. The older
fish were treated cursorily as a plus group. During the Council Meeting in 1980 theDemersal Fish Committee stressed the possible value
of the survey in providing data on spawning stock biomasses, which
could be used as an independent check onthe estimates from VPA on
deteriorating commercial catch data. In order to allow for a more
extensive analysis of the survey data a different sampling regime has
been introduced in 1981 and the standard computer analysis was adapted
to take account of the new requirements. For this reason the present
report deviates in several aspects from former reports.
For a general description of the survey in 1981 in terms of planning
und participation reference is made to the reporton the herring data
(CORTEN & KUlTER, lCES C.M. 1981/H : 17).
The survey in 1981 has also been used as the basis for collecting stomach contents of several fish species during the first quarter of the
year within the frame werk of the Stomach Sampling Programme. More details are given in the Progress Report on this Programme (DAAN, ICES
C.M. 1981/G : 72). Since the interpretation of the results requires
that the sampIes taken in different areas for the different size groups
are weighted according to the spatial abundance of these size groups
and that the size groups can be translated to age groups, the analysis
of the IYFS was adapted to provide the required output.
Sampling methods
The major change introduced in 1981 referred to the otolith sampling.
Since it has been agreed at an earlier occasion that all data should
be worked up by North Sea Roundfish areas as defined in ICES C.M.1979/
G : 35, snmpling' for otoliths by four statistical rectangles was replaced by sampling by these Roundfish areas. Since the same overall
intensity of sampling should be maintained approximately 30 fish per
- 2 -
cm group per areawas aimed at. Additional information on sexe and maturity was required so that Sexe-maturity-age-Iength keys (SMALK's) could
be constructed. Table 0 provides the details on sampling intensity arrived at in 1981.
Analysis
In contrast with former years when participants were asked to report the
age distribution of the catch per haul based on the national ALK's and
when the length statistics went directly into the computer, they were now
asked to provide 3 kinds of input information for subsequent computer analysis: a trawl station list, length distributions'of the catches per haul
and the SMALK's. The latter as provided by the different participants were
first combined and then used for calculating the age distribution of the
catch in each indi,idual haul. The abundance analysis then continued as
before. In order tJ reduce the size of this report the older age groups
have in the charts been combined in a 3+ group, which can be compared
with former reports. However, data are available for age groups 1 to 6+
separately and in tables I-1/IV-1 the indices of abundance are given for
each age group separately.
In order to estimate the sexe-maturity-age-Iength distribution the size
distributions of the catches were first summed over the areas and then the
total catch in each area was treated with the corresponding SMALK. Tables
I-2a/IV-2a and I-2b/IV-2b present the maturity-age-Iength distributions,of
males and fenales respectively. The length statistics are given in tables 1-3/
IV-3. Tables I-4/IV-4 and I-5/IV-5 present the sexe-maturity-age-Iength
distributions and the age-Iength distributions respectively. Lastly 1-6/
Iv-6 give the age distributions and the corresponding mean sizes by length
classes as required for the stomach sampling programne. All these tables
refer to the total North Sea catch summed over the North Sea Roundfish
areas. Although details are available for each area seprarately, there did
not seem to be much use in reproducing all these extensive tables in this
report, because in any stock assessment of North Sea Roundfish as yet no
split by sub-stocks is possible.
The changes in the set up carried through in 1981 may to some extent influence the results and therefore hamper the comparability with former
surveys. Although the differences resulting from applying ALK's from larger areas than before are supposed to be relatively small,it is intended
to process the 1980 sUrvey data according to the new system and to compare
the results for that year.
According to the joint report of the International Gadoid Survey Working
Group and the International Young Herring Survey Working Group (lCES C.M.
1981/H: 10) there was little or no gain in theadjustmentprocedure for
unfished squares and therefore the adjusted indices are excluded from the
present report. Also the logarithmic transformations were skipped On the
grounds given in that report.
Sweden did not collect length-age sampIes and therefore the Kattegat stations couldnot be incorporated in the analysis. However, the Skagerrak
stations between 8° and 10° E, which belong to thestandard areas for which
abundance indices are calculated have been treated with the ALK for the
neighbouring area 7.
lt should be noted that since otoliths are taken from a species specific
size class onwards, all the smaller fish being assumed to represent I-group,
information on the sexe and maturity distribution of these size calsses is
lacking. In all species the first mature fish were observed beyond the lower
the size limit and therefore these smaller fish could be taken to represent
immature fish. For the sexe distribution a 50-50 proportion was assumed.
This could result in a bias in the mean length at age for the sexes in 1
year old fish and therefore the results for this age group shoUld be' treated
with caution.
,.....-------------------------
-
-
- 3 -
TABLE 0
Number of otoliths included in the SMALK's by species and Roundfish areas
during the IYFS 1981.
2
3
4
5
6
7
541
555
282
278
75
1264
675
Haddock
1400
1255
721
7
135
652
392
330
424
346
Whiting
939
304
350
Norway pout
138
20
237
114
798
2
Area
-----------
Species:
Cod
~:=~~~~:=~
- 4 _
Results
I
COD
The abundance of I-group cod was very low in all areas except for
area 6, where it was moderate (tableI-1). Inspecting figure 1-2
indicates that just one square (37F8) yielded more fish per hour than
all other squares combined. Thus it seems possible that even the OVerall index of 13 young cod per hour may be over-estimated.
Year class 1979 was as II-group in 1981 even more abundant than as
I-group in 1980 (30 vs 26) indicating that this year class had previously been underestimated. Although 1979 now should be considered
to be a strong year class, it does not appear to be as good as year
class 1970 (38) and 1976 (42).
One problem in interpreting the 1YFS results for cod is that the different areas contribute differently to individual yearclasses as can
be seen from table 1-7. Also 1-group and II-group behave differently
in different areas and there is little congruency between the two sets
of data. Since recruitment to the North Sea stock appears to be rather
inhomogeneous, any regional differences in catchability might be expected to introduce considerable bias in the overall index.
The sexe-maturity-age-Iength data are given in tables 1-2 alb. The
corresponding biomass, estimated from the length distributions from
the relationship W = 0,0104 ~ L 3 , are given at the bottom. Only 51 %
of the 4 year old cod in number and 61 %in weight is mature.
From table 1-5 it appears that in 1981 the preliminary estimate of
year class strength of the 1980 year class based on the length distribution should have included fish below 23 cm rather than 25.
However, since the 1979 year class was exceptionally abundant in
general 25 cm would appear to be an appropriate limit. The difference
between the preliminary index of 17 and the final index of 13 is
only or minor importance.
- 5 -
1
A'I.E
I
VEKA:;E CATCH ! HOUR peH S'JUARE BY RNO ~'-I\ REA AND
[ i t n,n e ti c abunjance analysis; Unad)usted values)
-
Pl;;CIl.S:
COD
SUaAREh:
.~t:.l;R
0
1
2
5
RNDF-l
J{~DF-2
J{'<LJF-]
K,,>/üF-4
R:l/lJF-S
RNDF-6
n nau1s
N squares
51l
37
57
25
H
ly
27
11
8
5
89
30
40
12
11
4
137
mean NR/n
Stand.öev.
0
0.0 '
0
0.0
0
0.0
0
0.0
0
0
0.0
0.0
0
0.0
0
0.0
U.D
mean NR/n
Stan::l. dev.
0
0.1
3
0.7
1
0.6
2
1.2
0
0.6
55
36.7
3
1.2
9
2.6
8.0
mean NH/n
Stand.dev.
tl
2.4
49
14.2
7
LI
37
17.9
3
1.3
44
12.0
25
21.1
Yl
3J
38.5
4.6
mean NR/n
Stand.::lev.
8
2.3
5
2. 3
3
1.2
1
1.2
0
o. 3
2
0.8
2.1
7
3.5
U.B
mean NR/n
Stand.dev.
5
1.5
2
0.6
2
0.8
2
0.8
1
1.0
1
0.7
2.2
0
0.4
0.5
mean NR/n
Stand.dev.
2
0.8
1
O. 3
1
O. 3
0
0.2
1
0.7
2
0.8
3
2.4
0
0.2
(J.4
NK!n
Stanti.dev.
1
1.0
1
0.5
0.1
1
O. 3
1
1.4
1
O. 3
1
0.5
0
0.0
U.
RNDF-7 KATTEGA1'
S fAND.
ll/~
AtlEA
31.;
YEt,RCL
19E1 1
19E1O
1':179
_1978
4
I\GE GROU P
1977
1976
6+ OLI)ER
m~an
(J
2
]
II
U
4
2
,
1
j
r'lI~LE
'I C E -
I - 2a
L ENG T H - S E X
_ 6 _
~
-
~
A T U R I T Y
D1sr H1BUT ION
~P~:CU;S:
eOD "'ALES
,{OUNDE"ISH ARE:AS CO"iBINED
~8
GROUP
1
1",,'1
L-'1IN
L-,"!AX
2
MAT
67
155
4
5
ron
6+
IM"!
MAT
IW-I
MAT
IMM
MAT
IMM
MAT
IMM
~lA'r
156
J29
156
235
198
376
237
3tHl
340
440
421
575
198
235
500
640
165
170
557
775
C"!
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
~24
25
26
27
28
29
30
31
32
:.1
2
1
1
1
6
19
3J
57
66
104
91
133
121
460
308
284
512
202
345
327
352
316
355
222
278
258
227
216
190
144
161
156
107
119
141
153
128
1
1
1
6
19
33
57
66
104
91
In
109
449
282
248
422
84
99
63
13
4
12
11
26
37
90
117
241
257
338
307
350
218
273
252
225
212
176
128
150
n
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
6
7
2
5
5
4
4
3
8
12
9
35
23
25
12
21
18
40
22
23
5
117
82
74
123
114
89
75
106
48
~
45
28
16
3
21
1
9
_50
51
52
53
54
55
56
57
58
59
60
65
70
75
80
85
3
2
7
6
6
1
2
4
6
4
2
3
2
21
7
18
21
18
10
22
23
24
8
17
27
23
25
3
16
32
24
6
22
28
48
12
3
136
3
1
1
1
0
4
8
3
6
5
4
4
13
7
45
43
11
2
0
1
5
10
3
5
3
6
1
2
31
17
33
2
4
41
48
27
7
4
66
96
55
18
3
90
95
100
105
110
115
120
125
TOTAL
2285
%MAT
4417
0
Biomass 204
(kg)
%MAT
288
219
11
162
150
409
724
36
295
1358
458
75
6
6
15
25
78
49
54
22
4
7
4
B
2
260
25
66
24
6
1752
0
507
138
95
41
58
54
53
54
39
46
13
31
49
33
19
44
4
3
3
0
8500
93
1713
94
104
8
91
1i6
2
2
11
4
32
19
14
9
4
3
3
3
3
147
144
133
U8
156
73
89
44
18
9
55
1000 8008
95
b
fü3LE
I 2
G E - t. !:: N G
I' Ii -
I::
~
XI::-,"!A'1'U~1
- 7 -
D IS'I'IH BU'I'ION
')' 'i
'PECIE5: COD - fEMALES
IOUNDfISH AREAS COMBINED
GE GROUP
L-MI N
L-'1AX
4
2
1
6+
5
IMM
MA'r
IMM
,'!AT
I M.'!
MA'f
IMM
:'oIAT
I Me1
MA'r
67
141
19
19
157
337
170
19d
225
388
25 }
324
320
465
441
553
168
255
438
580
1.'I"l
l'1):
,11\'1'
610
790
CM
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
~24
25
26
27
28
29
30
~
2
1
1
1
6
I
I
1
b
1')
H
33
3j
42
S4
42
54
48
74
106
120
214
172
228
288
104
IB4
.j/j
n
106
120
25
99
26
4
II
32
33
34
3S
36
37
38
3':l
40
41
42
43
44
45
46
47
48
49
,,50
51
52
53
54
55
56
57
58
59
60
65
70
75
80
85
90
95
100
105
110
115
120
125
TOTAL
%MAT
2-ll
1 <J8
286
394
285
430
4lJ
Hl8
347
295
251
258
303
2tlO
246
210
158
14tl
127
156
15tl
103
114
8
6
8
8
23
3
3
10
3
6
6
4
5
3
3
6
8
9
8
11
3
1
116
<) 7
111
71
150
7d
70
20
11
16
11
19
16
4
17
3
2
8
2
19
5
27
19
10
8
22
19
14
18
16
49
25
2
8
17
14
4
2
1
4
0
61
21
50
3j
2
2
2
20
11
4
10
1
23
21
9
2
1'1
3
3
7
3
1
32
35
50
10
5
33
26
a
30
19
115
6
3
38
39
51
23
6
4
III
5
':14
9
9
9
3
8
17
49
69
40
6
6
3
6
21
25
42
32
23
7
3
2
170
34
5
1824
%HAT
Biomass
(kg)
2
26
57
106
181
246
333
274
343
289
251
250
295
280
219
202
151
134
121
145
144
88
103
93
85
95
60
127
62
45
40
25
4893
2
1
429
40
2033
2
99
27
61
189
1597
89
112
1 Ll 7
61
5~
47
32
21
7
j
:.1
dlJO
100
83
848
548
224
46
51
243
659
172
163
19
2
1
178
84
117
83
1945
100
8282
- 8 -
rl\llU:
I - 4
L E: N G 'r H - S E X
~
1:: -
- 9 -
DI STHIIjUnON
A 'I' U R 1 T 'f
SPECIES: COD
ROUNDFISll AREAS COMI:lINED
MALF::S
e'
IMM
MAT
L-min
L-max
6
95
27
120
6
7
8
9
10
11
12
13
14
15
16
17
IB
19
20
21
22
23
24
25
26
27
2B
29
30
2
1
1
1
6
19
33
57
66
104
91
133
121
460
30B
2B4
512
202
345
327
352
311
355
222
273
255
227
216
182
132
152
120
84
95
130
132
110
93
115
71
36
58
53
46
44
26
46
9
24
42
26
11
28
34
79
61
40
14
12
2
II
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49.
50
51
52
53
54
55
56
57
5B
59
60
65
70
75
BO
85
90
95
100
105
110
115
120
125
TOTAL
5
4
3
8
12
9
35
23
25
12
21
IB
43
23
24
5
1
7
10
14
3
7
6
6
8
16
7
6B
83
94
125
144
71
B,9
41
18
9
4
3
n:Io1ALt::s
IM..,
MAT
6
85
2
1
1
1
6
19
33
42
54
48
74
106
120
216
19B
2B6
394
285
430
433
308
347
2B 9
251
250
295
280
223
207
154
137
127
153
152
96
114
113
96
111
71
146
78
65
59
13
47
n
1109
25
6
B
8
23
3
3
10
3
6
6
3
1
4
5
2
8
2
6
95
4
2
2
2
11
37
65
99
119
152
165
239
241
676
506
570
906
4B7
775
760
660
658
644
473
524
550
507
439
389
286
289
248
237
247
226
246
223
IR 9
226
142
U32
136
118
105
57
73
19
125
25
5
6
12
11
23
11
16
20
35
26
31
IB
21
21
44
23
24
9
6
9
18
16
79
18
8
28
22
20
22
IR
86
70
61
19
9
9
2
11
5
4
10
B
1
29
24
55
64
103
9B
61
5'1
47
32
23
7
3
2
27
32
71
48
31
51
52
165
131
101
13
21
7354
775
14745
3
7391
19
125
TOTAL
IMM
MAT
11
6
17
11
11
18
23
8
97
107
149
lRB
247
169
150
100
65
41
27
9
6
2
IBB4
_________________1
- 10 -
1',I\'lLE
-\ G E
r
-
-5
L I::
N G '[' 1/
I ES: C00
H;lLl'llDFISI/ AHt:AS
IJ rSJ'I<lllUl'l:l'J
:i I) t:C
I 111;')
L-nli n
6
L-max
27
IH
5':1
,lH
24
75
53
100
':10
57
125
'Jü'IAL
6
125
4
6
4
7
2
2
2
11
2
2
2
11
65
99
119
152
165
2 3':I
229
6tl::\
65
99
119
152
165
239
241
701
506
570
':106
487
775
760
660
663
650
473
536
561
507
462
400
302
309
283
Ud
278
244
267
244
233
249
16n
191
1 Hi
124
114
75
89
79
H
':I
10
11
12
14
15
16
17
1,j
1-)
45~
2tl
476
710
189
2d 2
16 3
39
8
21
22
n
2~
't'J
)
"
~O
27
2j
2;
JJ
j 1
32
11
31
j ~
h.
17
In
14
4 lJ
~
37
n
13
•
li i-
~)
i.
()
I\GI.
'-
Cl) MI}
1
42
~ I
12
II
52
94
196
298
487
591
611
655
645
4id
5 J6
558
5J5
455
18'1
295
304
274
252
248
229
11
7
5
'1
11
3d
15
29
40
12
27
Je,
~~
74
~h
n
3
2
7
20~
~ ~
1
4"
5
4
238
2111
222
1 11
1~ S
'}7
92
~
6
7
10
46
3'1
211
b
:) ,I
30
51
26
44
60
35
·14
:i
16
41
59
51
33
53
')2
165
lU2
2 '0
S2
53
51
9
55
56
57
5"
2
2
5'1
DlJ
05
7J
75
<1
7
J
Hb
11
16
40
55
138
125
94
56
9
,b
105
110
11 ')
12J
12')
H 35
9682
1197
2
2
282
16629
2
4
12ll
181
152
lOt;
• J l\l.
27
9
6
50
82
59
49
74
60
262
238
250
221
26lJ
180
150
103
65
41
27
9
6
8
12
16
7
45
3
il5
3J
4
20
116
d"
~
4
1
1
3
780
555
4
11
14
10
53
47
56
41
-
'fAßLE:
A G E: -
-6-
I
S I Z E
01 STR I HU'r ION
C LAS S
SPECIE:S: COO
ROUND!"I SH AREAS COMBINED
AGE
0
1
4
2
5
6+
TOTAL
SIZE CLAS::;
4-
5
N
L
5-
-
7
L
4
6.5
4
6.5
N
7-
10
N
L
6
8.5
6
8.5
10-
15
N
331
13. 3
331
13.3
L
15-
20
L
1473
18. 3
25
19.0
N
20-
25
N
L
2111
22.2
1127
23.5
6
24.5
3244
22.6
25-
30
N
209
25.8
2970
27.4
26
27.1
3206
27.3
3816
14.2
85
37.0
3901
34.2
L
1631
44.0
331
45.4
4
4 B. 7
70
N
L
111
52.2
721
58.6
279
63.1
38
62.6
2
57.5
1150
59.2
70- 100
N
L
28
73.1
496
77. B
508
85.9
139
91. 1
82.8
100- 150
N
9
102.5
141
108.0
150
107.7
L
30-
40
N
L
4050-
50
N
L
•
1498
18. 3
1968
44. 3
1172
11 -
- 12 TABLE 1-7
The three prominent year elasses of eod in eaeh North Sea Roundfish area
during the surveys 1970-1981 ranked by the index of abundanee for I-group
and II-group separately. Corresponding ranking positions are underlined
twiee, other year elasses oeeurring in both sets of sur.vey data are underlined onee.
A. Surveyed as I-group:
Highest index
Seeond
Third
Year elass - Index
Year elass - Index
Year elass - Index
1970 -
4
5
6
79
~~g~ - 71
1972 - 60
1976 - 50
1974 - 345
1973
1976
1970
1974
1969
1970
- 20
- 29
6
- 41
- 20
- 201
7
Jg;m -
Jg~g
-
156
1974 - 96
1975
1969
1974
1970
1970
1969
1972
1969
Highest index
Seeond
Third
Year class - Index
Year class - Index
Year class - Index
1969 -
4
5
6
53
13
1979 - 37
1970 - 74
1976 - 137
1974
1979
1979
1971
1976
1969
-
20
49
7
28
23
64
7
Jg~Q
-
Jg~g
-
47
38
1971
1976
1970
1970
1972
1979
1974
1979
NSRF Area
2
3
Standard area
J~IQ
23
-
238
1970 - 100
3
- 28
6
- 25
7
- 171
- 96
- 74
B. Surveyed as II-group:
NSRF area
2
3
•
Standard area
23
JgIQ Jggg -
110
1976 - 42
1970 -
-
16
17
6
21
6
44
31
33
13 -
.
~-_.
--2
~j.
---
- - - -- ' - - - - - -.
q
11
§
,
~
./
{~ I
I
I
:2
2
I
2
2
~
...,
:2
2
/
2
J
2
:2
11
1
I
2
I
\
T
~
I
-_. - -
2
r
I
I
21
:2
2
2
1
2
2
21
21
2
l!
-
2
--_.21
________
._ . . . . .
!
2l-~221
-
• _ _. _
_.~*
~~-p--
-..
-
11
--f---- ..
I
r- ~4~
,
-_.- -
o
,.- .
~
---- -
.
,
'I 11...
---3
3
~-
--31 -----31. -----31 . 'i
I
'il
~J'
2TOTAL NUMBER OF VALID HAUL5: 323
NR or HAULS IN STANDARD ARER: JI4
_:- S-
-r-
=~'.
_.~
-- --+----~-_ .. +--_._-- ....- _.- ..
-4'
-J' -2' -I'
(I'
--r
1
-
_I
,.1.-"-
__. ..r _ , ....:.. ....#E;
-"
"
~,
.
~,
- - - - +-
5'
-0-
+-. ---t- .---t---+---
..
.~--
7'
8'
9'
11)'
1 I'
12'
S"'
37
35
i JU
1. --
I
J3 . S-l _.
I
i
· ..... - - 4
1"
I?'
-..
~,
- 14 -
5"1
6,"
yg
5"8"
5"7"
~
5"6"
SS'
37
36
35"
[~
61
[6 [7
E 8 [9
r
~
r Ir?
"4---I-~-I---+ __1-+2_ -Elf--+-----1f--~L
r
~.~~ ~....
:~
BS
111
. . . ...- .- . .
r 3 r y r 5"
--f---t-=d~= -~J--=~ =~I~=~
E~.r.
7
r e
r 9 G B GIG 2
·4·
--'--0-· ....
t-~ DRT H 5 E R
·····l
1 :: I
5"~
yg
2
6r1"!.f--4---I---l--If+--f
7
' . S"9
I.+-_-+--,~
'-+--+--'!-
·27
Y8
11
Y?
YE.
..,.
I
!
5"7'
S"?
Y:i
114
lC"
-; Y?
5"6"
....
i
J.
Sy"
IJ
.
~E'
37
3E
35"
)!.J
I
-r
5"2"
9.('l..J.
I
.-1
3:::
3::
31
- 15 -
11
HADDOCK
Year class 1980 was poorly represented in the catches and the index
of 268 (table 11-1) per hour indicates a poor year class. Year class
1979 was still abundant as II-group, confirming the result from the
1980 survey which indicated a good year class. The main area of high
abundance was located off the Scottish coast (area 3, cf figure 11-3).
Older cod were caught in rather larger numbers than during the past
6 years.
The sexe-maturity-age-Iength distributions are giv~n in tables 11-2
alb. Approximately 50 %of the males are mature at 2 years old and
females become mature one year later. The weight-Iength relationship
used in calculating the biomasses is W = 0,009 ~ L 3 • The upper limit
of 20 cm used in the preliminary estimate of the recruiting year class
appears to be.appropriate (table 11-5) and difference between the
preliminary estimate (260) and the final index (268) is very small
indeed.
- 16 -
"d
I.!:
I [
-
1
'Jt',Uh;l, CA lCtI I IIUUH
f i t lilie t ic ... I>undance
,1'1:-:
11':,,:
I'r:H
1
~'.
e
; i<
Yt;,\HCL
,)
19:1 I
l
,
I\Gl: GHOUP
\\ll)
V<.lllle s)
ltHH'-1
,ü!l)t'- 2
H'lOr'-j
H~[H'-4
RNO~'-5
RNDF-6
n nduls
N sCJuares
5d
17
Sn
25
31
19
27
11
8
5
89
30
40
12
11
4
216
11)2
NH/n
Stilnd.dev.
0
0.0
0
0.0
0
0.0
0
0.0
u
0.0
0
0.0
0
0.0
0
0.0
0
0.0
1 ';i tI 0
WCdn NR/tl
St ilnd. cl ev.
)'17
149
56.ti
17.,
j 'I. 3
7
j.9
1
0.6
13
1211.7
20.0
3
0.9
16
8.2
2ad
4 H. 1
l';i 7 '!
551
135.4
';i'.l~
23 H. 1
1466
420.9
141
liLO
0
O. 3
15
7.4
31
6.5
88
28.9
675
96.7
273
66.7
144
41. 6
271
129.8
10
5. 3
0
0.6
1
0.5
16
2.7
42
18.7
166
27.9
b2
17.1
19
6.7
1
0.8
n.o
0
5.2
O. 1
4
1.4
10
4.5
24
6.4
3
2.4
()
').8
1
O. 3
0
Stal11. dev.
0.1
0.0
0
0.1
2
0.6
6
2.8
5
1.7
n 'JH/n
StiJnd .dev.
5
1.I:J
l
5
1.8
1.'1
0
0.4
0
0.0
0
0.1
2
1.3
2
l.1
O. tI
,hedn
.ll~"ln
\iH/n
StilnJ.t1ev.
1 ';i 7H
Jl~dn
Nt-:/h
Stdnd.dc.:v.
I'J 71
lll~cJn
\i,VIl
Stctl1'i.oev.
:)
,H' IU,W-I\HI';I\
lll\llf) leK
SUtlAHI::i\:
\
:..; .)11.-\ l~ L
dni.tlysi::i; IIn.3 iJlIsted
I'! 76
n+ ULr:WH
tho,.:'d
In~\,J
n 'J 1<1 11
6
U
0
RNDF-7 KA'r'rEGA l'
SrANO. ,\iS ;\I{IO ,1\
~
- 17 -
rAint::
A Ci E
-
a
2
II
- L ENG '1'
11
SEX
-
t;
-
A
.'\
'I'
U R [
'I' 'i
J)
ISrHI ßu'r ION
;PEClf:S: HADDOCK ,~ALES
)UNDPISH AREAS COMBINED
1
L-,'U"J
L-"1AX
2
4
5
6+
I'J r'\L
I MM
MAT
IMM
1'1 AT
[ M.'\
,'1A 'I'
IMM
MAT
IMM
MA'r
IMM
..,.0.1'
89
154
77
86
124
213
159
258
122
18')
1'14
327
121
155
212
313
84
89
195
278
46
46
20';
HO
C..,
8
9
10
11
12
13
14
15
16
17
18
19
20
•
24
25
26
27
28
29
30
31
32
4
31
58/i
193ii
182
397
5256
3668
2014
IH2
721
1028
1 06 7
753
83 3
1 1'l
1 17
Jl
Sdo
1'1 j"
1d2
J'n
~2
23
184
195
165
121
U5
13
231
929
1816
3237
4863
5520
3740
4543
2530
1512
1151
379
263
124
33
44
16
16
11
19
3
4
lJ
34
35
36
37
38
39
40
41
42
43
44
45
2
17
105
350
429
2fl71
4532
5401
5066
4106
3lfl3
3140
1909
1523
923
616
324
HB
212
171
49
39
16
15
,5
7
1
•
50
51
52
53
54
55
56
57
58
5':1
60
65
70
75
'j'O rAL
~hl
2L~"
JL17
45d~
llll
74
(j 7 ~d
1 \)'j tu
':l4Ll
!:li'J 3
119
128
151
153
56 tJ
451
814
149lJ
995
1159
927
885
861
745
625
623
306
271
166
70
89
1 34
5til
570
152
654
286
451
2H 3
55
76
194
28
107
24
41
17
3
76
7371
J2
4')00
Sfl
6
1j9
9J
4
262
20
187
188
138
205
65
14 3
147
155
90
51
90
82
32
28
27
14
8
4
52
51
24
5
B
46
42
23
6
4
4
2
9
2
3
J7 S 5
37 5 ~
2502
2J5L
3
3
4
11
13
8
41
24
4
38
20
22
12
12
4
5
14 2~)
14iJS
18
4
6
% MAT
4
Biomass 862
70
35326
53
4015 6043
3R4 1
11723
HO
4080
952
8
60
81
Jbl
34
207
13
1'15
151
l'iG
';l)
öl
(,
.,
) ~
6
9
9
JG
21
47
'J
2 'l
25
Jf,
1j
20
24
5
11
'l
t~
2
2
2
4
10
8
4
2
371
LU
tJ
Ü
a
15
265
4
91
1131
92
SU
H
14
221
11
4
99
.437
(kg)
% MAT
till2
S~~
lu
2074
95
8
24
19
3
87
75
11 '14
101 'i
11
20
36
4
3
30997
1411 N
9
'J
2
5
8
813
13
Jl
3
1
20641
Sn
3" ti 'I
2014
1'1n
95
99
11
1
2
1 u6 Jd J
179aJ.
- 18 -
I",,\U:
, "
I I
lc -
:;H:L'[lO;;:
"
),J",I),,'
-
2b
L t' N Ci '1' ti -
S L X E -
,'1 A l' U !l I 'J' '{
0 I S I' RI All (' I UN
Fr;'1ALc:S
IIAUD()CK -
r Sil AHt::AS CClMB INt::D
2
1
IM'"
[. -'11:~
['-'~I\)(
115
90
151
4
145
22ö
213
IR 0
300
160
247
6+
5
MAI'
"'AT
209
321
93
157
IM,'!
MAI'
117
141
241
329
M/\I'
42
276
42
372
C:1
H
9
4
II
4
11
10
5tIfi
5dG
11
12
1936
7H4t:i
7897
14
1936
7846
7 Pd 7
1930
15
10
21tl<j
1814
218':1
IHI4
e~~
1~
654
371
58H
13
20
82<)
21
72,1
22
23
24
25
26
1 'l8
1930
680
25
414
1017
2222
4392
5209
7662
7875
6831
11-1
2H
B~
1605
49
89
450
448
1506
1087
1430
1381
1523
1333
1114
1101
7287
27
5701
2491
2021;
1453
512
2B5
160
2"1
29
30
1I
J2
1J
745
525
206
34
J~
137
J6
41
150
112
31
JtJ
34
18
67
6j
J'l
7
24
3
6
3
118
-;
,I,)
41
42
43
Hi
47
48
49
170
74
76
3099
5210
6027
H 30 3
9769
7':119
9779
76
77 3
927
1117
807
98'!
472
427
755
20B
2b3
30 l
217
192
167
290
48
51
357
8056
5215
4527
17 53
5
1'l6
575
864
%7
738
789
621
598
576
265
81
2d
27
2ö5
228
153
25
9
88
67
3
6R
4
4
3
40
27
8
17
14
50
51
52
53
54
88
48
108
76
101
40
20
43
34
7
32
14 7
83
54
42
25
36
27
154
2748
2413
2549
1371
3
11
13
15
1453
1276
8
6
11
11
970
686
547
28
136
13
30
27
37
72
144
116
135
18
3
115
5
63
5
4
53
41
38
65
29
19
16
10
4
5
6
6
7
4
13
3
51)
57
2
141
124
87
258
17
16
21
2
47
J <)
11
18
27
1
17
7
27
7
2
05
20:J
4
3
10
11
301
2
25
4
54
oll
287
j
21
5
5
58
27
15
10
17
26
15
55
373
370
2
27
20
8
5
'I.
14
4
IlJ
I'>
j
)l"d.
279'J2
% MAT
Biom.
(kg)
% HAT
o
55919
13411
o
2866
26
7936
49
19
8228
832
8124
2264
3259
59
680
307
1739
82
1214
58
72
80
88
616
663
92
1048
99
100
51
51
31
27
6
22
14
48
9
o
2
2
HO
116772
420
2
88
110
295
88
20113
- 19 -
r,-\HLI::
G ~;
,b,
-
- 3
r)
L I:; N G 'I' 11
SPECIES:
-
X I::
~;
S
-
'1 A I' U H
r
'!' y
S'I'A'l' I S'fICS
IlAOflOCK
,WUND<,ISH /\Hl::-\S COMd 1 N~;il
Nr
~\I::AI~
L
Sd
L-rni n
L-rnax
0
AG!:: GHOUP:
Sl:XES CO~m. IM'1
AGE: GROUP:
MALES
FEMALES
AG!': GROUP:
'1/\1.E5
FE,MLES
1
MA'r
'rOTAL
20641
813
21455
16.1
21. 2
Ib. 3
9.4
2.1
3.2
8
18
8
24
23
24
1,'1'1
27952
14. 3
7.6
8
24
MAT
TOT"L
27<)52
14. 3
2.8
8
24
IMM
MAT
I'OTAL
30997
35 326
66322
24.1
2ti. 3
25. 3
6. 3
9.5
3.0
17
IB
17
42
43
1'1"
55919
13413
69331
25.0
2 tl. 3
25. 7
8.2
11. 5
3.2
17
20
17
40
41
41
IMM
,'1A1'
l'orAL
3B4 J
1172 j
15566
2 'I. 8
33.3
3.!.4
13.0
17 .8
4. 3
22
23
22
46
53
53
1'1'1
812 4
7936
16060
30.9
35.2
H.O
16.5
17.6
4.7
22
26
22
48
54
54
IM'1
2
MA'l'
'rlyrAI.
AGE GHuUP:
MALES
!"EMALES
3
!·lAT
'rOTAL
AGE GHOUP:
M'ILES
4
HO
I'
TOTAL
2074
2 Hl4
H.5
lfl.6
37.7
26.0
26.8
5.7
24
30
24
48
60
60
IM'1
MAI'
TOTAL
6 BO
17 39
2419
J6. J
41.6
4ll.1
20.6
44.4
6.6
29
24
24
59
60
60
,'1Ar
'rarAL
15
265
280
42.9
44.4
44. 3
10.2
14.9
5.B
38
33
33
46
65
65
IM'1
l'lAT
T::>TAL
82
616
697
42.4
4 B. 11
48.0
26.2
25. 3
5.4
36
36
36
54
65
65
46.5
48.1l
4tJ.O
-0.0
60.6
7.7
46
35
35
46
75
75
0.0
47.6
6.9
42
313
42.5
52.2
5;>.1
17
31
42
75
75
2231 H
24. 7
50.7
tl
75
1'1'1
~(A
~'t:I"ALt:S
AGe GHOUP:
,'1ALES
n:MALES
AGE GROUP:
,'1ALES
r't: 'lALI::S
41
5
1'1'1
6
I ,.,~,
MAI'
TorAL
4
371
IMM
100AT
TOTAL
HO
I'n rl\L I'OPULA'rI ON
375
3
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- 25 III
WHITING
Catches of I-group whiting indicate a poor year class 1980 (table
111-1). The catch of II-group confirmed that 1979 was a strong year
class. Catches of older whiting were the highest on record. A remarkable feature of the distribution of older whiting (figure 111-4)
is the almost complete lack of fish in the central North Sea and off
the Danish coast.
A significant part of the male whiting reaches maturity at the end of
the first year of life and at 2 years old the majority of fish of
both sexes are mature (table 111-2 alb). The weight-length relationship used in calculating the biomass is W = 0,0083.
The final index of 227 is somewhat higher than the preliminary
estimate of 200.
I
- 26 -
\'I\'ll.l:
III
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1
CATCli / HOUR P~;j{ ::i.JUAH~; /I'l K:-.IUf'-I\Ht:A I\,,,D AGE GKOUP
IIr i tn,netic abundance analysis: Una,ij usted va1ues)
I\V~:ll:\;~1::
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1981
SU8AREA: '
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25
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19
27
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5
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30
40
12
11
4
313
137
mean NR/h
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0
0.0
0
0.0
()
0.0
0
0.0
0
0.0
0
0.0
0
0.0
0
0.0
0.0
II
1
1980
mean NR/n
Stand.<1cv.
89
20.0
375
213.2
}ll6
136. 3
250
112.6
69
48.2
254
71. 3
105
41.1
164
127.5
227
47.5
2
1979
mean NR/h
Stand.dev.
176
53.2
912
672.3
102rl
317.8
293
ltiO.5
571
688.4
395
200.5
25
15.6
62
28.9
485
141. 2
1978
Il,ean NR/n
Stand.dev.
237
69.5
208
153.7
36 d
115.5
75
44.5
179
199.0
172
91.5
9
7.0
32
23.3
2UO
42.9
1977
mean "R/n
Stand.dev.
104
30.7
34
23.4
52
1 A. 9
26
18.5
37
40.0
56
30.2
5
4.2
22
23.9
57
11. 9
1976
mean NR/h
Stand.dev.
17
5.2
9
6.1
10
4.1
4
3.0
2
2.0
14
7.7
1
0.6
4
6.1
11
2.5
6+ OLDEK
.nean NR/h
Stand .dev.
7
2.3
1
0.8
6
2.7
1
1.0
6
7.9
2
1.2
0
O. 3
2
3.8
0.8
5
j
- 27 -
a
rAl.~LI:; III
1'1 G E - L ENG 'r H -
_2
S E'X I:; -
~
A T U R 1 T
~
llIS'J'RIl3lJrION
SPEer 1:;5: WlIITING ,'tALES
H~UNDfiSH AREAS COMBINED
1
AG!.': GROUP
L-r'!
I;~
L-~I\X
2
4
6+
5
I M.'01
AAr
IMM
MA'r
IM~
MA'r
11'10'1
,'!AT
IM,,!
,'!AT
41
144
97
123
119
148
136
76
78
162
22fi
73
185
252
71
197
261
198
73
71
'J'.) rl\L
IM,oI
M\'l'
154
201
CM
5
6
7
8
9
10
11
e
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2
25
129
463
832
':148
1155
1834
2604
3812
4248
4 324
2739
3tr16
2240
1638
777
387
145
2
25
129
463
832
948
1155
Id 34
254
722
1111
1333
102'1
10Hl
1872
1377
89
603
136
562
609
686
333
508
159
827
2541
6 39B
9434
13321
11109
5746
3781
2044
1578
760
180
169
341
148
39
268
1152
2476
2514
4143
5206
4149
43':16
2851
18 'l8
977
445
4H6
59
77
11
215
U4
148
II
32
3l
e
14
35
36
37
38
39
40
41
42
41
44
45
4fi
47
48
49
50
51
52
222
401
791
444
1591
1226
1391
573
400
266
243
60
12
148
41
69
128
81
109
92
4
72
197
285
115
54
114
32
22
45
14
15
2
77
64
15
14
7
14
17
107
340
286
14
2
17
7
II
)4
4
% MAT
BIOM.
3') 3
1'11
92
62
57
4>1
2d
4
.j
0
5
5
0
()
0
2
0
2
561
144155
U
31406
11713
4183
22
1160
57876
576
33
93
80
5275
99
7793
26
1885
12
99
1'129
16
100
98
6686
466
31124
~tl9
92
(kg)
% MAT
'532
1
1
55
rOTAL
36~8
2568
1297
12':13
lud
6
13
4
B
2604
3d 12
4501
5045
3850
468&
46'11
5391
9il 78
12 eh9
166-10
14170
1\)766
'1562
7153
6 Hd 3
5839
100
99
548
7
99
176 16871
100
- 28 -
_ 2b
fAULt:: III
.\
'-~
t:: -L ENG r 11 - S
SPEC1ES:
I~
X
I~
-
'1 A
l' U
K
! 'l' '/
I)
1S'I'I< 1 ~UTlLlN
- fE~AL8S
ARI::A;:i C(Md INEO
~HITING
HOUNOfISIi
AGE GIWUP
L-MIN
L-'1AX
2
1
4
6+
5
fü fAL
IMM
,'11\ r
IM"1
MII J'
I M'-l
MA'r
I-lM
MA'r
IMM
MAT
IM:-l
W>"l'
41
55
60
In
17.5
140
219
10~
170
261
55
62
1~3
189
255
25~
285
32
32
3~
125
39
32 3
150
Ci'l
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
21
24
25
26
27
28
29
30
2
25
129
463
fl32
948
115')
18 14
26u4
l
25
12 oj
463
832
oj4U
l1SS
1834
260·1
160 L
HiO I
lO72
lO 72
HI0
1fl2 j
43,15
H 72
2180
15<jS
1106
494
1470
4lL6
00
no
210
12'1
6 j4
8l
173
782
1140
2277
1905
1524
918
602
B9ß
4 'j'jcl
76
1501
61197
12458
10518
11538
':l997
8914
4675
1824
1472
645
541
ll0
170
n
l2
11
':l3<j
3352
1864
2524
2999
285':1
19H
14 4 7
1600
1123
ojOO
l13
327
191
67
49
2':l
222
82
179
39
12
33
l8
34
35
36
31
3R
4
13
l'l
e~
300
457
50 1
640
4H
675
956
fl93
757
341
425
264
130
340
119
69
17
43
5
5
30
50
11
12
4
41
42
43
44
45
46
47
48
49
50
51
52
55
TOTAL
/G Uö
') 72 ~
5102
31tH
131
12
11
12
12
17
149
148
Il2
lii
148
112
69
84
107
49
20
68
4
1
2
51
9
l6
4
2
n
9
1'1
44
16
14
25
1U
4
4
2
2
4
4
2
2fl du
2740
2 1~ cj
1R" 3
fln1
':161
57~
lll2
4B
2Bu
167
50
154
2&
1'1
27
10
12
(,
2
2
0
1164
35126
% MAT
4
10473
70422
90
22830
107
4936
97
98
7313
12
22
1247
2246
99
3
2
381
2
2
1498 d 7
99
99
99
98
8900
(kg)
6
551
87
100 1041
Biom. 1488
% MAT
4560
4':1')1
9-)68
16102
12547
13 3 ~5
14472
11758
521
99
1
207
100
19562
- 29 -
'fABLE III
A G E - L
-I:: N3 G
T Il -
S I:: X [; -
M A '1' U H I
T
STA'rIS'I'ICS
'I
SPECII::S: Wlll'rING
ROUNDFISH AREAS COMBINED
31406
8733
40139
15.9
19.7
16.7
9.8
4.2
3. 3
5
15
5
23
22
23
IMM
MAT
TOTAL
35126
1364
36490
16.6
20.4
16.7
11. 6
4.8
3. 4
5
16
5
23
22
23
HlM
MAT
TOTAL
4183
57876
62059
23.4
23.9
23.8
8. 3
4.2
2.1
18
18
18
29
30
30
11'11'1
MAT
TOTAL
10473
70422
80894
22.7
24.6
24. 3
4.7
5.1
2.3
17
19
17
"28
34
34
IMM
MA'r
TOTAL
509
31124
31633
26.5
27.1
27.1
4.5
6.6
2.6
23
20
20
29
35
35
IMM
MA'r
TOTAL
551
22830
23380
27.5
2'::l. 3
29.3
5.9
10.2
3.2
25
23
23
36
41
41
IMM
MAT
TOTAL
26
7793
7818
37.2
30.5
30.6
12.7
7.0
2.7
33
25
25
40
42
42
11'11'1
MAT
TOTAL
107
7373
7480
2 '::l. 3
32. B
32.7
4.4
14. 4
3.8
27
25
25
35
48
48
IMM
MA'!'
TOTAL
16
1929
1945
35.6
32.0
32.0
0.1
14.4
3.8
35
25
25
36
47
47
IMM
MAT
TOTAL
12
1247
1259
32.5
36.5
36.5
-0.0
14.7
3.8
32
29
29
32
49
49
561
561
33. 3
33.3
9. 3
LI
28
28
52
52
2
381
0.0
23.0
4.8
39
HJ3
3'::l. 5
3'1.9
3'::l.9
31
31
39
55
55
294023
. 23.4
29. 3
5
55
1
FEMALI::S
AG!:: GROUP:
MALES
FEMALES
AGE GROUP:
MALI::S
FEMALES
AGE GROUP:
MALES
~'EMALES
AGE GHOUP:
MALES
FEMALES
L-max
IMM
MA'r
TOTAL
AGE GROUP:
MALES
AGE GROUP:
MALES
L-min
MEAN L
0
FEMALES
Sd
Ne
AGE GROUP:
SEXES COMBo
IMM
2
3
4
5
6
11'11'1
MAT
TOTAL
IMM
M.".T
TOTAL
TOTAL POPULATION
- 30 -
-4
'rAl3LE 1 1 [
L E N <.i 'r H -
S
~:
x E -
'1 A 'I' U
t{
I
DIS1'KIllU r!ON
'1' Y
SPEeIES; WillfiNG
ROUNDFISH AREAS CO~~INED
MALES
IM'1
MA'r
L-min
L-rnax
4
40
15
52
4
5
6
7
8
1
2
25
~
10
11
12
13
14
15
16
17
Id
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
12
34
35
3ö
37
38
39
4U
41
42
41
44
45
46
47
48
49
5,0
51
52
15
2
4
3!:l
12!:l
463
B32
~4 8
115<;
254
722
1111
1491
185')
3617
8539
11963
15797
13622
10258
9428
6984
6542
5542
3648
2568
1297
1281
532
379
lR9
1834
2604
3601
3072
3410
3906
4559
4254
3320
3872
3010
201B
91B
82 I
980
30
400
39
11
24
12
!:l
13
lOB
14
92
62
44
48
28
4
4
1
2
5
60
Ho
306
1630
6U97
13092
10529
12477
11648
1077S
76511
5325
5102
3070
2674
2716
2377
184 3
852
951
578
302
477
2!l6
167
56
154
26
19
27
10
12
6
2
2
'['OrAL
IM"!
MA'l'
4
15
55
'Iv
2
4
50
258
925
1663
1895
210-j
3668
5207
7413
7319
77 34
6646
7754
70~7
50lJ5
5211
4006
21361
1465
1331
1114
1 '19
HO
297
3'1
11
24
24
23
14
2
14
2
55
'l'OrAL
16
55
1
2
25
12~
463
832
948
1155
1834
2604
3812
424fl
4 324
2739
3195
2843
1774
13 39
996
84 3
548
508
134
169
341
297
FE"IALES
1:-1 "I
MAI'
2
30141
llHlOI0
4fi271
1ll160~
254
781
1420
1491
2161
5247
14635
25055
26326
26100
23907
202Ll6
14640
llH67
1 Oli 44
6718
5243
4u13
3658
2375
1231
114U
6 fl6
394
539
329
215
84
158
30
20
27
15
12
6
2
2
2
2
82412
211619
- 31
l' 1',,11.1'
'\
"
I;;
rr I
-
- 5 t,
l. I: N
I'
1I
III :iT In 'ld ,'I
,)~
:iPI::CIE3: .'1111 rING
IlJUND1" IStl AHr:A S CO 'Li IN!:.t)
AGe
0
2
L-min
L-1ll3X
.,..
17
20
2 I
J4
n
4
1
5
4
50
6
1
:1
~
10
11
12
II
14
F)
1"
17
11
1-J
21l
21
22
2I
.:1
l'i
4il
25
4<J
6+
2&
55
llildJ
7
74 1 3
]C,73
'j';1:)
7..,H3
il cl2·1
6971)
4 ~16
nn
I c, ().l
bl,;
.i
~ 'I
3.
II
12
8 I
421
2?8 R
5 llt!
15 114
24H)5
26048
2 3,H 7
16 il52
13593
68,IK
3':112
;! I d 1
tl25
5B
1 30
1\
III
1-1
3S
rOl'AL
5
55
4
~2tl
2"
2,
I
5
250
;)2J
16 (,)
l>H5
2 3ll"
2:~
4
~
I1
3~
J~
26 :l
1152
21". q
3657
7717
72,16
G673
7574
5cl ';;1
J 'I,~ 1
2424
21) ~ ')
11\ 21
':154
394
34,)
1 'll
67
49
2<J
\1
l'1
40
41
4)
4 I
4I
:i I J
401
l'! 7 'I
-I-n
UU
[,,57
!07J
1 r, 4 J
1 1116
1.1/3
'ioJ'l
41'}
3 I ()
1 'IS
35 'i
14,)
76
25
4 3
5
'i
45
'in
14d
41
1117
471
2UG
72
2/.6
1 14
261
201
264
144
Cil
128
121
l:l 3
II
71
4
2
2
:)
4I
4
jA
4
2
14
17
GY
139
93
121
'12
69
50
258
925
1663
18<J5
2 309
366 U
52117
74lJ
7573
tl515
806b
<J245
925tl
10342
19846
2<J061
2':11H7
27565
2523d
2132,)
14R 39
12607
1 ilY41
6757
5154
4037
4
4
lfi 82
2175
1254
1154
6d6
3 ':i 4
541
343
215
Cl'\
15A
30
2tJ
27
15
12
6
66
~
41
9
47
16
26
44
21
14
25
10
2
'i .)
SI
')2
2
2
2
2
2
S'i
2
2'
944
2'.14\)36
T.)T"L
7;; 631,
J 42'.1 52
551) 1 :!
1 '> 2:J 'l
12114
--------
--------------
- 32 -
I"t\ I L. ,;
'\ .:; I'~
-
111
-
6
S I 'l
I:
C L 1\ ,;
iJ
"
I::; 1'r<IllIJ'!'ION
SPECII,S: 1'111 I'1'ING
ROllN.)fISH '\KEAS CO',H~c;D
AGf:
0
1
2
4
5
6+
rorAL
SIZL:: CLAS::;
4-
57-
5
7
10
l~
~
L
4·5
N
54
I.
6.4
N
21146
L
9.n
2846
9.0
20492
13.2
54
6.4
10-
15
N
L
20492
13.2
1')-
20
N
3'J 1164
17.5
27'12
19. 3
13373
21.5
95002
23.0
7625
23.7
43626
26.6
35107
27.4
5428
28.2
766
28.4
17
21l.5
84944
27.1
1534
31. 1
12213
32. 3
9567
33.2
2111
34.5
709
33.7
2613 3
32.8
70
41. 1
303
41. 6
327
42.0
210
43.5
910
42.1
L
20-
25
N
L
2)-
30
N
L
30-
40
N
L
40-
50
N
L
51)-
70
70- 100
N
L
N
L
100- 150
N
L
42656
17.6
115999
22.9
8
R
52.5
52.5
I
i
l
- 33 -
--E S
E E [7
(8
[9
.- _
li/ •,,+---+---+--+---+-'_ I - f - '
I pi'
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•
•
I
2.
"
,
I
I
2
2
2.~
_
:z
2
2
2
:z.~
./'
'
2
2
2
2
2
I
2
.:L
~
,
2
2!
.d
~\
A
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~
2
2:
2I
2
2
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- 35 IV
NORWAY POUT
Catches of I-group Norway pout were very poor and the abundance index
of1375 fish per hour for year class 1980 is the lowest on re~ord.
(Table IV-1). Good catches were restricted to a small area along the
Norwegian deeps (Figure IV-2). Year class 1979 was relativelymore
abundant but also should be considered a ~eak year class.
Although part of the I-group Norway pout h?s reached maturity, it
is at two years old that they have recruited completely to the spawning stock. (Table IV-2 alb). Among the older age groups females are
far more abundant than males.
- 36 -
-
I'ABLE IV
-l.
AIIEHAGI:: CAi'Cil I /DU I< 1'8H SQlJl\/(,'; In'
Arithmetic
abund';lnc~
SPECIES: NOR\'iAV
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