••
ICES CM 1998/D:ll
Ref.G
Resource Management Committee
REPORT OF THE
INTERNATIONAL BOTTOM TRAWL SURVEY IN THE
NORTH SEA, SKAGERRAK AND KATTEGAT
IN 1994: QUARTER 2, 3 AND 4
by
The International Bottom Trawl Survey Working Group
This report is not to be quoted without prior consultation with the
General Secretary. The document is areport of an expert group
under the auspices of the International Council for the Exploration of
the Sea and does not necessarily represent the views of the CounciI.
International Council for the Exploration of the Sea
Conseil International pour l'Exploration de la Mer
Palregade 2-4 DK-1261 Copenhagen K Denmark
"
TABLE OF CONTENTS
Section
1 INTRODUCTION
Page
2
2 SURVEY METHODS AND PARTICIPATION.•.•...•.•.......•••.•..•••..•...•••••.••.••••.••..•••••••••...•...•••.•.......•..•.•••••..... 2
3 STANDARD OUTPUT FROM THE ICES IBTS DATA BASE ••...•.••••.••..•...••.•.......•.•.•.•.•........................•••• 2
4 RESULTS FOR 1994 •.•••••••.•.••.•••••••••••••..•••.••••••••••...•.•••••••••...•••••.•••.•.....•.•....•.....•.•.•••••.....••••••.........••...•...........• 3
5 HYDROGRAPHIC DATA •..•••..•.•.••.•••.•.•.••••••••••.....•.•.•••••••.•••••••.••••...••••.•••....••••••••....•••••......•.•.•..•...............••..• 4
5.1 HYDRO-CHEMISTRY SURVEY
4
6 REFERENCES
4
Tables 2.1-4.2
5
Figures 3.1-5.6
8
O:\Scicom\Rmc\Ibtswg\Reports\1994_234\Report.Doc
"
1
INTRODUCTION
This report presents thc final results for the International Bottom Trawl Survey (IBTS) in the second, third and
fourth quarter of 1994. The survey was formerly called the International Young Fish Survey (IYFS). In 1990 it
was decided to combine the effort of the International Young Fish Survey with a number of national surveys such
as the English and Scottish Groundfish Surveys into a quarterly coordinated bottom trawl survcy, to bc held for a
period of 5 years. These quarterly surveys started in 1991. This report presents the results of thc quarterly surveys
in 1994. Thc results for the first quarter IBTS arc also given in separatc reports, but first quarter indices are given
in this report as weil to givc a better overvicw of the changes within a wholc year.
The data in this report comprise thc bottom trawl catches of the 8 standard species (herring Clupea Izarengus,
sprat Sprattus sprattus, mackerel Scomber scombrus, cod Gadus morlzua, haddock Melanogrammus aeglejinus,
whiting Merlangius merlangus, saithe Pollaclzius virens and Norway pout Trisoprerus esmarki). Also
summarised results of tempcraturc and salinity sampling arc presented.
2
SURVEY METHODS AND PARTICIPATION
For all mattcrs on survey methodology, the reader is referred to the IBTS Manual (lCES, 1996b). Details on the
participation in the 1994 surveys are given in Table 2.1
3
STANDARD OUTPUT FRO;\I THE ICES IBTS DATA BASE
•
For details on the standard analysis of the data thc reader is referred to a description by Pedersen (1989). At
request, copies of this paper arc available at the ICES Secretariat.
In 1994 the Herring Assessment Warking Group for the Area South of 62°N has adopted a new index for 1ringer abundance of North Sea autumn spawners. Thc new index is based on daytimc catches in all statistical
rectangles sampled during the quarter I survey, both in thc North Sea and in thc SkagerraklKattegat. In the
calculation of this index, catches made in rectangles shallower than 10 m, or deeper than 200 m (250 m in
Skagerrak), have been given less weight. Thc weighting factors arc given in Figurc 3.1.
lt is implicitly assumed that aIl I-ringer herring in thc North Sea, Skagerrak, and Kattegat arc autumn spawners.
Unsampled rectangles arc aIlocated thc mean catch ratc estimated within "roundfish areas" and thc indcx is
cxpressed as thc mean catch ratc (number per hour) for thc entirc survcy area. Thc indices far 2+-ringers have
been revised in the samc way, with the exception that the catchcs in Skagerrak and Kattegat are assumed to be O.
This implicitly assumed that aIl 2+-ringers in Skagerrak and Kattegat are local or Baltic spring spawners. The use
of "zero" catches instead of "missing" catches of 2+-ringers in this area is convenient because it brings the
indices of aIl age groups on a similar scale so that for instance mortalities can be calculated directly from the
indices.
The above mentioned mIes far separation of autumn and spring spawners were intended for the first quarter IBTS
data. In this report similar mIes have been adopted as weIl for the second, third and fourth quarter data. The
indices for O-ringers in third and fourth quarter are calculated in a similar way as for the I-ringers.
The IBTS Warking Group decided at thc meeting in November 1995 (lCES 1996a) that saithe should bc added
to the list of standard species. The indices of saithe for each age group are calculated in a similar way as for 1ringer herring (sec abO\'c) with the exception that also night-time hauls are used for saithe.
The Herring Assessment Working Group has also for sprat adopted a new index series (lCES 1993) in which
only hauls between 10 and ISO m depth are included. The standard area has remained the same: Division IVb
only.
For the index of the remaining specics (cod, haddock, whiting, Norway pout and mackercl), the catch at age per
hour is averaged for all hauls within a rectangle, and the survey index is calculated by taking the average of aIl
rectangles within a species-specifie standard area. Rectangles where no hauI was made, are excluded from thc
calculation.
O:\Scicom\Rmc\Ibtswg\Reports\1994_234\Report.Doc
2
•
........
"~
The standard gear for IBTS is the GOV trawl, but in the third quarter of 1994 an Aberdeen 40 ft trawl has been
used by "Scotia". See Knijn er al. (1993) for specifications of the Aberdeen 40 ft trawl. In the calculation of
indices it is assumed that all trawl types have the same size and fishing power.
4
RESULTS FOR 1994
In the analysis only day-light hauls are used for herring, whereas for the other species all valid hauls are used.
The number of hauls used for herring and for the other species is shown in Figures 4.1 und 4.2.
The number of otoliths sampled per target species, per roundfish area and quarter is given in Table 4.1.
Per species a set of figures gives the distributions of the 0-, 1-,2-, and 3+ group and the mean length of I-group
fish per rectangle. In the analysis a specific standard area for each species is used to calculate the index of year
class strength. This area is indicated in the figures. The distributions are given with dots of expanding size.
Within one page, showing 2 or 4 quarterly distributions, the same scaling has been used. The catch in number per
hour of the biggest dot is indicated. The surface area of each dot is relative to the average number per hour
caught.
•
The mean age composition of the eight standard species within the relevant standard areas is given in Table 4.2.
Herring
Mean numbers of 0-, 1-, 2- and 3+ ringed herring are given per rectangle in Figures 4.3-4.6. Mean length per
rectangle of I-ringed herring are given in Figure 4.7. It should be noted that the term "age group" in herring
refers to number of winter rings and not to years. All juvenile herring in the North Sea are assumed to be autumn
spawners, and this means that for instance age group 1 herring in February 1994 represent year class 1992.
Sprat
The distributions of 0·, 1-,2- and 3+ groups, and the mean length of I-group fish are given in Figures 4.8-4.12.
Mackerel
The distributions of 0-, 1-,2- und 3+ groups, and the mean length of I-group fish are given in Figures 4.13-4.17.
Cod
The distributions of 0-, 1-,2-, and 3+ group, and the mean length of l-group fish are given in Figures 4.18-4.22.
Haddock
The distributions of 0·, 1-,2-, and 3+ group, and the mean length of I-group fish are given in Figures 4.23-4.27.
Whiting
The distributions of 0-, 1-,2-, and 3+ group, and the mean length of I-group fish are given in Figures 4.28-4.32.
O:\Scicom\Rmc\Ibtswg\Reports\1994_234\Report.Doc
3
Saithe
The distributions of 2-, and 3+ group, and the mean length of 2-group fish are given in Figures 4.33-4.35.
Norway pout
The distributions of 0-, 1-,2-, and 3+ group, and the mean length of I-group fish are given in Figures 4.36-4.40.
5
HYDROGRAPHIC DATA
5.1 Hydro-Chemistry Survey
Details conceming the data collected during the three surveys are as folIows:
Quarter 2: 279 stations from 14 April to II June from four ships ("Walter Herwig", "Tridens", "Scotia", and
"Argos")
Quarter 3: 273 stations from 6 August to 22 September from five ships ("'Ihalassa", "Tridens", "Cirolana", "Scotia",
and "Argos")
Quarter 4: 349 stations from 16 October to 20 November from five ships ("Dana", G.O. Sars", "lsis", ''Tridens'',
and "Cirolana")
Charts showing the distribution of bottom «20m of bottom) temperature and salinity for each of the surveys are
shown in Figures 5.1 to 5.6.
•
Digital (gi!) copies ofthese charts may be retrieved or viewed from ftp://ftp.ices.dkldistloceanliyfsII994. The ftp
directory also includes charts showing the location of the stations.
6
REFERENCES
Knijn J.R, Boon, 'I.W, Heessen, H.J.L and Hislop, J.R.G. 1993. Atlas of North Sea Fishes. ICES Cooperative
Research Report. No. 194, 268 pp.
ICES 1993. Report of the Herring Assessment Working Group for the Area South of 62°N. ICES Doc. CM
1993lAssess: 15.
ICES 1996a. Report ofthe International Bottom Trawl Survey Working Group. ICES Doc. CM 19961H:I.
ICES 1996b. Manual for the International Bottom Trawl Surveys. Rev. V. Addendum to ICES CM 19961H:1.
Pedersen, L. 1989. International Young Fish Survey, computation of aggregated standard tables and charts. ICES
Secretariat, section computer management.
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4
•
Table 2.1
Participalion and number ofhauls in the IBTS for 1994.
Year
1994
Country
Vessel
Quarter 1
Sweden
Argos
Quarter 2
•
Quarter 3
Quarter 4
•
Period
Number of Hauls
ABD
GOV
3111-17/2
48
Denmark
Dana
212-20/2
48
Norway
G.O. Sars
611-26/1
27
UK Scotland
Scotia
12/2-4/3
56
France
Thalassa
5/2-20/2
54
Netherlands
Tridens
31/1-24/2
46
Germany
Walter Herwig III
19/2-2113
94
Sweden
Argos
18/4-4/5
51
Norway
Michael Sars
18/5-2/6
67
UK Scotland
Scotia
14/4-3/5
76
Netherlands
Tridens
215-26/5
52
Germany
Walter Herwig III
12/5-9/6
71
Sweden
Argos
5/9-22/9
50
UKEngland
Cirolana
6/8-28/8
79
UK Scotland
Scotia
2/8-21/8
France
Thalassa
4/9-1919
55
Netherlands
Tridens
15/8-26/8
42
UKEngland
Cirolana
21110-2211 1
81
Denmark
Dana
26/10-2011 1
70
Norway
G.O. Sars
11/10-8/11
78
Netherlands
Isis
24110-311 1
22
Netherlands
Tridens
24110-311 1
33
Gear used:
ABD
Aberdeen 48 ft trawl
GOV
Grand Overture Verticale trawl
O:\Scicom\Rmc\lblswg\Reports\1994_234\T-2-1.Doc
5
89
#"
Table 4.1
Number of otoliths sampled per species, roundfish area and quarter in 1994
Roundfish area
Species
1
2
3
4
5
6
7
8
9
Total
576
71
536
180
2
157
944
701
1
142
433
135
120
98
565
292
515
740
161
579
284
259
328
362
30
246
2
559
98
223
126
16
244
210
163
267
70
175
74
70
4,684
1,405
34
2,386
3,660
3,935
434
891
289
148
5
303
167
169
62
25
655
192
611
293
233
168
142
20
65
243
52
181
242
76
533
110
640
174
265
140
172
270
236
Quarter 1
Herring
Sprat
Mackerel
Cod
Haddock
Whiting
Saithe
Norway pout
451
845
621
407
176
620
184
32
634
1,038
818
10
267
Quarter 2
Herring
Sprat
Mackerel
Cod
Haddock
Whiting
Saithe
Norway pout
437
18
126
497
849
638
421
206
788
120
36
410
646
505
5
166
679
179
19
96
531
453
34
118
499
177
7
184
401
462
Quarter 3
Herring
Sprat
Mackerel
Cod
Haddock
Whiting
Saithe
Norway pout
604
25
166
802
1,682
985
548
326
649
175
139
872
934
705
296
233
76
451
416
483
147
651
197
173
136
857
581
20
114
Quarter 4
Herring
Sprat
Mackerel
Cod
Haddock
Whiting
Saithe
Norway pout
741
19
173
650
929
230
319
378
499
145
91
509
485
258
42
91
40
120
460
253
353
124
72
305
253
198
119
59
138
11
O:\Scicom\Rmc\lbtswg\Reports\1994_234\Tab41.Doc
410
162
316
116
14
13
165
298
187
56
173
1
311
153
150
153
214
109
329
303
183
387
451
1
483
157
6
43
9
260
142
50
48
85
335
183
182
503
3
464
284
94
46
374
130
118
58
25
4,572
1,430
263
2,1.
2,815
3,026
542
776
4,068
1,326
1,155
3,592
4,030
3,738
579
753
2,514
186
146
127
12
81
133
~It
2,841
2,260
1,866
389
800
Table4.2
Age composition of standard species in 1994 for the relevant standard areas.
Age
Quarter
•
•
0
1
2
3
4
5
6+
Herring
1
2
3
4
.0
.0
1,552.0
2,989.1
1,666.7
2,890.3
1,653.1
825.8
1,093.6
595.8
889.0
196.0
199.3
141.6
197.0
43.8
63.6
74.6
180.5
24.0
40.0
28.8
133.0
19.7
Sprat
1
2
3
4
.0
.1
5.2
1,051.0
4,002.9
2,402.5
4,298.1
7,958.7
1,368.0
1,019.7
500.8
6,166.0
127.0
330.2
131.1
654.9
2.7
18.8
12.3
.2
.6
.0
.0
.6
Mackerel
1
2
3
4
.0
.0
.0
.2
2.2
2.5
82.6
88.4
.1
3.7
64.6
18.2
.1
1.7
14.8
6.3
.0
.9
5.0
2.4
.0
.2
4.3
1.4
.0
.7
7.2
2.9
eod
1
2
3
4
.0
.0
15.7
20.5
14.8
30.8
43.2
52.9
4.4
4.1
6.2
6.0
3.0
2.2
2.4
2.2
.8
.5
.2
.3
.5
.2
.1
.1
.5
.2
.1
.1
Haddock
1
2
3
4
.0
.0
1,771.9
3,404.7
228.7
249.1
194.3
345.5
503.9
338.6
264.8
354.6
98.3
40.9
32.4
53.4
23.3
11.1
8.4
11.8
1.6
.7
.4
.7
.8
.3
.1
.1
Whiting
1
2
3
4
.0
.4
609.9
925.5
721.0
736.7
674.5
926.2
637.0
330.7
222.5
564.0
179.8
94.9
76.3
180.7
66.6
24.8
19.8
55.4
11.6
9.3
4.8
19.9
8.9
5.7
3.2
9.6
Saithe
1
2
3
4
.0
.0
.0
.0
.1
.0
.0
.0
.5
.1
.6
.8
3.7
1.3
1.3
2.4
10.1
6.0
1.7
2.0
1.4
1.2
.9
.5
.6
.9
.9
.6
Norway pout
1
2
3
4
.0
.0
3,195.8
18,083.0
1,867.8
2,813.7
704.4
1,972.7
375.4
436.6
101.6
215.7
67.0
59.7
13.5
20.3
2.9
2.3
.3
.3
.2
.0
.0
.0
.0
.0
.0
.0
O:\Scicom\Rmc\lblswg\Reports\1994_234\Tab4-2.Doc
7
,
I
;
I
i 0.0
: 0.5
0.0 I 0.0 0.0
0.0
61 H--_-f-_--'I
0.1 ;0.2 _ o_.~~~
.- -
I
-
52
_0.0
10.5 . 0.0
--+_~.....,
-:...----'-
. 0.2
0.1
_ _ _- L . . . . _
'
,
0.8
6o·t+---J----:----t'-"-:::l....f'f
I
: 0.5
I
I
. __ - - L _... J._
,
I
f+--+--"";"-:-::....,..---- - - -
i 0.5
I -_. -
+--+-i
....
10.6
59 f+--+-~ ~--l-_---r---- - --,--+--t----'"\~~
1
0 .8
l--J--~
58
I
I _.......JL-~--J--~-+--t-:-:--(
~---t----'--.-.
•
I
I
,
57
41
40
39
38
37
36
35
34
31
30
29
28
27
,
8'
•
12
Figure 3.1 Weighting factor used in the calculation of the indices for herring and saithe. Numbers denote the relative
weight of a given rectangle. Only weighting faclOrs le s than I are shown, other rectangles are given a weight of I.
8
Number of daytime hauls.
Eft
E7
Eft
EU
Fo
FI
F%
F3
F4
F5
Fft
quarter 1
1994
F7
Fft
FU
GO
GI
Number of daytime hauls.
G2
Eft
E7
E3
EU
Fo
Fl
F2
F3
F4
F5
Fft
quarter 2
1994
F7
F3
FU
Go
GI
G2
51
37
•
3ft
35
34
33
33
32
32
31
31
;;4---+-t---+---+-t---+---+-t---+--+-+--+--t-+--+----t-_+'
-4
-3
-2
-1
0
umber of daytime hauls.
Eft
E7
Eft
EU
11
l)
Fo
F1
F2
F3
F4
F5
Fft
Fft
-4
13
quarter 3
1994
F7
12
Fu
Go
-3
-2
-1
0
Number of daytime hauls.
GIG 2
Eft
E7
E3
EU
11
J)
Fo
FI
F2
F3
F4
F5
F6
F6
13
quarter 4
1994
F7
12
Fu
GO
GI
G2
52
51
•
:;;4---+-f-+--+-t---+--+-t---+--+-+--t--t-+--+----t-_+'
-4
-3
-2
-I
0
Il
11
12
-4
tl
Figure 4.1 Number of valid daytime hauls.
9
-3
-2
-1
0
Il
11
12
13
Number of hauls. 1994 quarter 2
Number of hauls. 1994 quarter 1
E6
E7
E8
Fa
EQ
Fl
F2
F3
F4
F.
F6
F7
F8
Fg
Go
GI
F3
G2
F4
F.
f6
F7
F6
fg
GO
GI
G2
52
51
3g
38
37
-4
-3
-2
-1
rJ
0
Number of hauls.
E6
E7
E6
Eg
Fa
F.
F2
1994
F3
F4
F.
11
12
-4
13
quarter 3
F6
F7
F6
Fg
-3
-2
-1
0
J)
11
12
13
Number of hauls. 1994 quarter 4
GO
GI
G2
~
:
:.······.··_·
::
1:
1:
1:
: :,
,
, __.. . ,
,
,
,
~_.
~.~
~
~
~-
~
~
~
·~_·_··4······.······._·····.·····".
_~-
: 52
.. _
:ill~2TH1tH;IL '
.....!. 50
: 4Q
: ~1
: -1Q
: : : : 1: 1: 1: 1: 1: :..
: :1:2:2:2:2:2:2: : .
~ t···~--_·}---_··~-----~---·-+-----t·-----~----··~·····.~ ...
: : 1: 2 : 2: 7 : 3 : 2: 2: : : : : : : 1: : : 46
~ j2::1::l::?::.~::r:~::L~::1.:i~::i:t::;T:: . t::::j"·--;:::::.L:::L1·:·~·::·I·:::·; .
. :1:3:2:2:1:2:1:2:: :1::,-- :1: :44
~! i .2!3!2[3[2[2!2!2!1!1! : : !1: :
..............•.....
,
,
,
_~
~
,
,
,
,
•
_
I
:
:
: 46
,
: 47
~---.-.~--.--.~ ·····~·····~······~·····-t······:······~···-··~-·---~--··-·~···-··t···-··:···_- ---~-----
:
::
-----~
2 : 2 : 1: 2 : 3 :3 : 2: ' : : : : : 36
,'•• ':•• I•·l•• • E··j;.]jI?i•
• •;· • •I • • i••!.,•• I••1•1:
.
~
~ ~:t:::t:: :I:~:::GJ1:::i:::::L:.:L
;;;4--+-+--+---+--t--I---l--t--+---lI----+--t--t----t--------t--i------tl
-4
-3
-2
Figure 4.2
-]
0
10
11
12
L..L...";' ....L ..L.. j.. +-~ j..~....)
-4
13
Number of valid day- and nighttime hauls.
10
-3
-2
-1
0
j.....\.... ..L ..L .!..... ; 33
I::.:.:!.:::::t:.::J:...
K)
Jl
L:J ::
12
13
.
j
Herring, Age group 0 1994 quarter 3
Herring, Age group 0
Max mean catch number per recangle:
Max mean catch number per recangle:
E6
E7
E6
E9
Fa
Fl
F2
F3
F4
F~
F6
F7
Fa
87062
Fg
GO
Gl
G2
E6
E7
Ea
Eo
Fa
Fl
F2
F3
F4
1994 quarter 4
F5
F6
F7
Fa
96387
Fg
GO
Gl
G2
N
o
•
~
•
i : .
1
.··--1------[-·-.--;---.-T-.-.-1-----;·----·1-----.
~ ~·--·-r-·---·!·--··-r·-···r···--r-----!----_·!·-····
~ -::::r::::[:~l:::::F:::F:::r::::r:::--·--·t------t····-t---·-1·--···1------t·---·-r----··
~ --·~----t----··~---·-+-_·_·~-----·f·-----f----·-
on
on
e
..
on
~
33
N
on
32
-4 -3 -2 -1
Figure 4.3
0
6
lD
U
12
-4
13
Herring: number per hour, O-ringers.
11
-3 -2
-1
0
9
10
11
12
13
Hemng, Age group 1 1994 quarter 1
Hemng, Age group 1 1994 quarter 2
Max mean eateh number per reeangle:
Max mean eateh number per reeangle:
31931
Ea E7 E8 EQ Fo
f1
63883
F3 F4 F5 Fa F7 F8 FQ GO GI G2
fZ
N
<>
-4
-3
-2
-1
0
-4
8010111213
-3
-2
-1
0
10
11
12
Hemng, Age group 1 1994 quarter 3
Hemng, Age group 1 1994 quarter 4
Max mean eateh number per reeangle:
t-.fax mean eateh number per roeangle:
Ea E7 Ea EQ Fo
F2 F3 F4 F5 Fa
f1
f7
114941
Fa FQ GO GI G2
N
-·-.-r-,
~
1
1
1
f
1
1
1
•
1
1
•
1
•
•
•
,
<>
1
I
•
··-·-r··---·[-··--r·-·-r-··--r--·-r..··-r·-..
r.- r.-.--1----..I·-----I----.
--..
-~-.----~--_._+
·--·-·~~_J--·--·J-C·J-----·t--
·t·"·'r"'r'·'r·"r"r·'·r·'· ·.:, :.:\\;':"j'
,:,~-,t:. .-f·.-~'-.·,-;_:-,
····-t--·--·:··-···;·····;··-··-:·---··t·--·--t·---·
~ : : :[: : : i:~l: : :I: : :j: : : l·: : :i: : :
~ ::::r:::;:~:::::T:::T::::r::::r:::
<;
.._..-:-..._.,.._-.. +-.• -.-+_.•_-
~ ··~-",f,,:,,·f··,·,i·,,·,·i,·,·,·i·,···,i,····
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.
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545:
•
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,·~ .."l·':',·i··.. ,j--':··j·,·:'·j·'·:..I·_..- ·..·tSf~
t ....1.."·'t?f:',·: ·l..···
,·,+.. .·[--··+·,··j-..···1"····\·,',··;,....
~
~
34584
Ea E7 E8 EQ FO f1 F2 F3 F4 F5 Fa F7 F8 FQ Go GI G2
j ! ! i : ! : ·--·-~-r-··T·-··T····T-···r····r---·l
N
<>
13
....-.
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I
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:
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.
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44
:
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:
.:
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:.:
43
~ 42
'
on
on
~ j::::::i:::::t:::r::::j·,:·,:;·:::"i::::::i::::::(:::·-~·::::r::::r:::r:::i::):::::~:::::r:::134
34
~ ~::f:::::j:::::!::~:::I::::::!::'::;
·:::;:..:·;::::::I:::::I::::::I::::::I:::::j:::::I:::::!- ::
i
...
In
-4
-3 -2
Figure 4.4
-1
0
1
Herring: number per hour. I-ringers.
12
1
1
I
,
.--.-- •• - . - . - . -•• --.... -.-.- ..-----.
-4
6010111213
-3 -2
-1
0
J,
I
,
,
,
,
1
1
,
1
,
1
- ... -.---.--.---.--.. -- .....-.- ....... -.- •••• --- ••• -.-.....-.--- ..... --- • • --- ....-
"
60D111213
- - - -- - - - - - - - - -
--------
Hening. Age group 2 1994 quarter 1
Hening. Aga group 2 1994 quarter 2
Max moan catch numbor por rocangle:
Max moan catch numbor por recanglo:
20249
-4
Xl
-4 -3 -2 - I
89Xl11I213
o
0
68579
-3
-2
-1
0
6
8
11
12
Hening. Age group 2 1994 quarter 3
Hening. Aga group 2 1994 quarter 4
Max mean catch number per recangle:
Max mean catch number per recangle:
E6
E7
E8
E9
Fo
F1
F2
F3
F4
F5
F6
F7
Fa
38598
F9
Eo
GO GI G2
E7
Ea
E9
Fo
F1
F2
F3
F4
F5
F6
F7
Fa
13
10970
F9
GO
GI G2
N
oe
-4 -3 -2 -1
Figure 4.5
0
Xl
11
12
-4 -3 -2 -1
13
Herring: number per hour, 2-ringers.
13
0
6
9
IJ
11
12
13
Herring, Age group 3 +
~Iax
Herring, Age group 3 +
]994 quarter 1
moan catch numbor per recanglo:
]994 quarter 2
Max mean catch numbor per rocanglo:
16184
5974
o
oe
-4 -3 -2 -1
6
0
Herring, Age group 3 +
7
S
9
n
U
12
-4 -3 -2 -1
13
S9nU1213
Herring, Age group 3+
]994 quarter 3
Max moan catch numbor por rocanglo:
0
]994 quarter 4
Max moan catch numbor per recanglo:
27644
2886
N
N
oe
,,
I
I
•
I
"",
oe
,
,
-·-·-r---··-f-··-·-r-·:·-r--···1-·-'---~·-····!·---·
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C;
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on
I
.,
, . : . : . : . :
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:
44
,
,
!-_·__ ·t-··_-~
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:
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~ l::::::[:·::..;: :j: : :j: : : j:~: :l: : : l: : : r: : :t: : :j: : : j: : : j· .· .~ ....~ ···t:::::t:.::·i·::
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,
:l
,
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I.
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t
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::::
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30
36
i :.. :..i i..: f..:..+
j
37
36
:
:
:
:
:
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: 33
:~i!I~LEE!EFEFJ::
-4 -3 -2 -1
Figure 4.6
0
6
-4 -3 -2 -1
9nU1213
Herring: number per hour, 3+ringers.
14
0
1
2
6
69nU1213
Herring, Age group 1 1994 quarter 1
E6
[7
[8
[9
Fa
Fl
F2
F3
F4
F~
F6
F7
Fe
Fg
Co
GI
Herring, Age group 1 1994 quarter 2
C2
Ea
.,
N
. ,,
_... _+_... +._.. +...
,
•
,
~2
. ., ..
__.. !._... +..... _
.
,
•
I
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ö
E7
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N
.,
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EQ
.
,
, ..
Fo
,..
FI
F2
. .
F3
,
.,, .. .,, ,,, ,,, .,, .,,
···_--:-···-:····_;-_···t·····;-_·--!-····-;_·__··
._....
_._~'.,p,,!,\;lI"'lpO"
E6
ö
~_.
~_._._~
_.~
_._.~._.
__ !.... __! __ ....
F4
F~
F6
F7
Fa
FQ
Co
CI
C2
'---"1..
.
~o
4Q
46
46
3Q
~
~
~
~
36
37
T
T
~
~
36
3~
~
~
~
~
N
34
34
33
33
~
32
·.-...:..: : i: .: :~ .. ::t::::::::::::::i:::::::::~::::::::~:::::~::::: ::
31
-4
-)
-2
-1
U
I)
12
-4
13
•
Ea
E7
E6
EQ
Fo
FI
F2
F3
F4
F~
Fa
F7
F6
FQ
GO
GI
-2
-1
0
e9DU1213
Herring, Age group 1 1994 quarter 4
Herring, Age group 1 1994 quarter 3
G2
N
.,
;;;
C;
.,
0
.,
<>
<>
.,
-3
E6
E7
Ea
EQ
FO
FI
F2
F~
F6
F7
Fa
FQ
Co
CI
C2
N
0
~
~
.,
:;
~
~
~
~
~
:;
:;
~
~
~
~
T
~
~
~
~
~
~
33
N
N
~
~
;;
;;
-4
-3
-2
Figure 4.7
-1
VJ
U
12
-4
13
Herring: mean length (mm), I-ringers.
15
-3 -2 -I
0
Xl
U
12
13
Sprat, Age group 0
Sprat, Age group 0
]994 quarter 3
Max mean catch number per recangle:
]994 quarter 4
Max mean catch number per recangle:
V50
Ea
E7
Ea
EQ
Fo
F1
F2
F3
F4
F5
Fa
F7
Fe
75215
F9
GO
G1
G2
,
" ---,. --- -- -,,
._.,------,
,
,
,
:~~J1~[;~~trtf:!:I-i1r;i] :
~ ~'-'---f'--'--:-'---+'--'-'
...-:.__...:..... +-...+-._-'
--·-+-----~-----+-_·_-:·-----r·--·-+----·+-·-·-i-
j······;··__ ·_~----~-_··_~-····i·_·· i······~······;··· .~._ ...~....._~. __ ._j------;--_._-;--_.. ~_ .._-~-._.-i-
34
:bt1L!':tt:;irtl:tl:Li::
n
-4
-3 -2
Figure 4.8
-1
0
Il
11
12
•...-- .•......•------..............
-4 -3 -2
13
Sprat: number per hour, age-group O.
16
-1
0
..._-
--•......•..... -
- •......•.. --..• ---- ..•..
6
8
g
~
----.---.------~
II
U
n
:::
Sprat, Age group 1 1994 quarter 1
Sprat, Age group 1 1994 quarter 2
Max mean catch numbor per recangle: 118926
I'vIax mean catch number por rocanglo: 80766
-4 -3 -Z -I
0
9
6
Il
U
IZ
-4
13
-3
-2
-1
0
o
6
]()
U
12
Sprat, Age group 1 1994 quarter 3
Sprat, Age group 1 1994 quarter 4
Max mean catch numbor por recanglo:
Max moan catch numbor por rocanglo: V6891
E6
•
E7
:
:;
E8
:
E9
:
f1
Fo
:
:
f2
:
F3
:
f4
:
F'
:
F6
:
F7
:
..
~~-_ _~---- r-----t····-~-_·-·-i---···:·---·-t----·-r·-··--f·---~------i------
:
:
i
:
F9
GO
GI
E6
G2
:.:,:.:
E7
E8
E9
Fo
f1
F2
F3
F4
F'
F6
F7
F8
F9
GO
GI
GZ
: 44
: : : : : : : : : ·····-+····;·,·+····:······i
:::::::::
. ' : • : • ; . : 43
.,
{.•.••. '.
F8
70730
13
,
:.:
:
:
:
:
:
:
i·i
i
i
i
i
i
i.i·ie:
·---f----·~·- ._.~
:.:.:
-··4·---·+---·-{----·-{------:··--··;---·--~-·-·-..:._·----{-·----i·---··;··
,
,
: .:
: 42
i-i
:41
'-----}---- '
:~~;i~#!~!:~r]~:mI~u-~~~~I :
·!::r-t~+: ~:+~Tti;T:T~:H::t :
~
~-_._--:-_._+_
:
:
...
:
+_._._~
:
..
. .: .__.+--_.+.__ __. !
._~.
:
:
~--.---~-----~-_._-~ -._~-_._-~....
,
,
I
,
:
:
:
:
._..
+..
_--~----+._~.-:-----~-----+_._.-+._-_.~-
:
:
:.:
:
:
:
:
:
:
:
:
:._-_.-:-_...
_~-_. _.~_ ...-.:. .. __ ..:.._-_.~ ..-... :._-_.~_ .... ..;..-----.:.---_.~
,
•
I
I
I
,
I
I
I
I
I
I
I
:
:
:
:
:
:
:
:
:
:
:
:
: 33
I
:
I
:
:
:
:
:
:
:
:
:
:
Il
U
IZ
~ ~:::t:::t:::::!:::::t"·::-. :::r:::l::·:··: -:::~.~:.i:::::t:::::j:::::t~::~:::::L::t:::::t
:-::::::r : : :
;;
~------~----.~•••••..:. ••••• ~ ••• _.
-4
-3 -2
Figure 4.9
-1
34
I
:
0
I _•• __ '
~
~
••••• •••_ •• ••••• .:. ••
--.~ ••••• ~--.-.~•••• n~ • • _
9
••
~ • • - -• ..:.• • • • • ~
32
.~
31
-4 -3 -2 - I
13
Sprat: number per hour, age-group 1.
17
0
8
9
Il
11
IZ
13
Sprat, Age group 2 1994 quarter 1
Sprat, Age group 2
Max mean catch number per recangle:
Max mean catch number per recangle:
E6
E7
E6
E9
Fo
F1
F2
F3
F4
F~
F6
F7
F6
10077
F9
GO
GI
1994 quarter 2
10094
G2
N
<C
~I
~o
49
:44
-4 -3 -2 - I
0
-4 -3 -2 - I
910111213
0
910111213
6
Sprat, Age group 2 1994 quarter 3
Sprat, Age group 2
Max rnoan catch numbor por rocangle:
Max rnoan catch numbor per recangle:
8739
E6
E7
E6
E9
Fo
FI
F2
F3
1994 quarter 4
F4
F~
F6
F7
142277
F6
F9
GO
GI
G2
N
<C
t-.··r------
l
t------r----- r------r-·~··1-···--!···:·-!-·····t-·····r-····-r··~-·
l"-~"r--'-'
!_.u_. _·_·f---··f--.. ·i--··--i------t------t······r---··t-----i------t----·~ .
t
-
i.
:
. ..i--_...~ -_: ._~-- .:_-~. -_..i._....i-----.i---_. ~--~.- ~_ ..:_- ~--~ .. j
:: .: :.:.: : :.:.:.:
i--···-!------r"
··t-····i--··_·i·u--·!·····-:-·_··-r-·--·-~-··_·i-·_·--i-'-'-'~
,
,
,
, . , . , . , . ' . '• • ' . ' . '
:
:
:
:
.. _~-- ,-
I
-_·-t ---
I
,
,
,
,
'39
: . : . : . : . : . : . : . : . : -'
:
'
:
: 37
:
: 36
~ ~~:.
_ L::::t:::_t:::t:::::t:::l::~::t~t.~_:t::t:::::t:::::l::: _ t:__ ·r··:~~:_.~ _ :'j
~
t·..···' ----+----+---. r----+---+----+--··-!-----f----+-----t··---+---·
:
::
: .:
:.:
:.:.:.'
:
--"r"":
:
:
36
·-t···..:
~ 1s::::::t:::::L::J __ i.-----~------i------;--- ..!----~-.---j--::::j- ..-::~:::::-~:::::r.::::t:::::~: 3~
"EfB:r::+=t~=t!::i:t:EIJ :
;; i::~L...l L--L~- __~ L--L..l-.--.L--.-L.....L-.-.L__L__i
-4
-3' -2
-1
Figure 4.10
0
6
.,
11
12
13
-4
Sprat: number per hour, age-group 2.
18
-3
-2
-1
0
6
69.,111213
31
Sprat, Age group 3 +
Sprat, Age group 3 +
1994 quarter 1
Max meau eateh numbor per reeanglo: 16368
E6
...
52
'"
'"
49
'"
,
:.,.J
1:::::-i--::--~::::~:::::r::::j::::::1.:::::1:::::r:::r~::r:::r:::::...: --T::::!~'
:
.:
a
:
•
:
•
:
•
:
•
:
•
:
•
:
.:
:
: :
:
•
.,...
:::
n
4
Sprat, Age group 3 +
11
12
-4
13
:
:
:
:
:
:
F7
Fa
:
:
:
:
FQ
GO
Cl
C2
::
I
: . : . :
:
46
:--:---;--~- r-'j:?~f::
L-~--l.. __.t
- -·'·····T·--··T-····.---··-.-···...······'·····T--·-.-·...-,---.-.,
-3 -2
-1
0
.-.-L-l·.l . :.. -,.
9llJll1213
Sprat, Age group 3 +
1994 quarter 3
l\lax mean eateh number per roeangle:
F6
:iiJ~ltlB~E1±H.f:lf11~~
:f~~r:~~!·!~;i;:j~g~T~::~r~; :
:~j~fl~:OOi~Tli~El~i :
3.
0
F.
42
37
-1
F4
: : : : : ::
~.-
36
-4 -3 -2
F3
42
41
.,.,
'".,
,.:
.,...
43
40
e
F2
~ 2~:::r:::r-:::::::::1::::::1:::::r::::t:::::r.;:::::-(--:;:::::.1:::::r--::t.:::7::::::::,4'
~
....,
F1
+ t -.: ~1
:
::
Fo
~ l: :i~: I: : :t: : :j: : : j: : : j: : : I: : : f: : :J. ~::t:::::j::::::I::~--l' --\J--::t:::::1" ::
47
.,...
EQ
~ i·····-t-·---i--l+--·--1------i--···t·····~---.--f· .... -f~::t····-i- ....-t-----f.-.-.-f.....,c---.1
46
~
E6
;; 1---··-t-·--·t----·+.·.·.+.···-1-----t·--·--f-····-t-- -·-·~*· ·t t t
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1994 quarter 2
Max mean eateh number per reeanglo:
1994 quarter 4
Max mean eateh number por roeanglo:
5396
10985
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.2
50
49
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46
47
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6
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llJl112lJ
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19
0
4
9
11
11
12
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Sprat, Age group 1 1994 quarter 2
Sprat, Age group 1 1994 quarter 1
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Sprat, Age group 1 1994 quarter 3
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-4 -3 -2 -1
13
Sprat: mean length (mm), age-group I.
20
0
JO
11
12
13
MackereI, Age group 0 1994 quarter 3
MackereI, Age group 0
Max mean catch number per recangle:
Max mean catch number per recangle:
Eo
E7
Eo
E9
FO
F1
F2
F3
F4
F'
Fo
F7
F6
0
F9
Go
G'
1994 quarter 4
10
G2
N
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30
~
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36
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30
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-4 -3 -2 - , 0
6
Figure 4.13
-4 -3 -2 - ,
MackereI: number per hour, age-group o.
21
0
o
9
IJ
U
12
13
tvlackerel, Age group 1 1994 quarter 1
Mackerel, Age group 1 1994 quarter 2
Max müan catch numbür pür rocanglü:
Max müan catch numbür pür rocangle:
187
E5
E7
E5
E9
Fo
F1
F2
F3
F4
F~
F5
F7
F6
245
F9
GO
Gi G2
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0
6
8
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80IJU121J
6
MackereI, Age group 1 1994 quarter 3
MackereI, Age group 1 1994 quarter 4
Max müan catch mImbür pür rücanglü:
Max müan catch number per recangle:
6436
~
-4 -3 -2 -1
Figure 4.14
0
5
9
Jl
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12
34
13
-4
MackereI: number per hour, age-group 1.
22
D
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n
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0
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9
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13
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MackereI, Age group 2 1994 quarter 1
Mackerel, Age group 2
Max moan catch numbor por recangle:
Max moan catch numbor por recanglo:
...
"
E6
E7
E6
Eo
Fo
F1
F2
F3
F4
F~
F6
F7
F6
9
Fo
GO
Gl
G2
1994 quarter 2
246
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40
g
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40
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43
30
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-1
0
6
Mackerel, Age group 2
-4
80IJUlZ13
-1
8010111213
0
MackereI, Age group 2
1994 quarter 3
Max moan catch numbor por rocanglo:
-3 -2
1994 quarter 4
Max moan catch number per rocanglo:
3816
1374
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43
42
42
41
41
40
40
30
30
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36
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-4 -3 -2 -1
Figure 4.15
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0
10
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13
Mackerei: number per hour, age-group 2.
23
0
6
60IlU1213
MackereI, Age group 3 +
E6 E7 E8 Eo Fa
F2
Fl
F3
F4
Mackerel, Age group 3 +
1994 quarter 1
Max mean catch number per recangle:
F8 F8 F7 F8 Fo
1994 quarter 2 .
Max mean catch number per recangle:
3
108
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0
6
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:
E6 E7 E8
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1994 quarter 3
F2 F3 F4 F8 F6 F7 F8 Fo
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i
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Age group 3 +
OlOU1213
1994 quarter 4
Max mean catch number per rocangle:
834
Cl C2
11
12
13
-4
MackereI: number per hour, age-group 3+.
24
-3
-2
-1
0
6
80lO111213
Mackerel, Age graup 1 1994 quarter 1
Mackerel, Age graup 1 1994 quarter 2
E6
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'I ••••••••••••}••••••} ••••• ~ •••••• ~ ••••••••••••• !
47
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t··· ·····j······j······l······i······t······j······ ." ..-j...'
46
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: :~. l.~.L
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44
;
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i
34
33
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on
on
31
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;;'-t-'-"'t"''''-t-'''+-'''-i--i---+--'''+--'''>--t---t--t--t---t--t--+--t--+'
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-1
Figure 4.17
0
g
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U
12
:
:
:
:
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.i
:
:
~
;
:
:
;
: 30 : Z7 : 29 :
.
;
.
j l.~~.l l.~.
: 19 : 28 : 22 : 21 :
·r
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:j~tl:'~I~i~j~!~I~!~L1LL: :
37
-3
: 26 : 30: 26 :
::
3&
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:
: f-Zl.. . i
39
N
:
'····_~·····;······~······;······~······r·····+·_··;··
:; i·
on
: 26 : 28 : 28:
····r····-r·····~······;······,······,······r······r··
:
41
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on
on
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:28:29:28:
43
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on
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l i.~..i.~..i
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.
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~ .•..•.: ...••. ~ .•...,,:, ~ ~..• ,
-4
Maekerel: mean length (ern below), age-group I.
~
,
-3
-2
-1
0
••..:
~ ~ .•..• .;...•.. ~
:...•..:
~ •..•. .:
.;.
34
33
32
~. 31
QCU1213
Cod, Age group 0
Cod, Age group 0
1994 quarter 3
Max mean catch number per recangle:
1994 quarter 4
Max mean catch number per recangle: V89
944
:tTf:~~~J~[i:t~It1~fj~FI~i
i:
: .:
:M~':"r
i·:·:·
:::
i
:
: 48
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47
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-....
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.----:••'...
I
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····~:::::r:::1::::::1:::):::·:::r:~:::r:::::(:::::r:::r.::::'~""f
-"T~T·::·1
: : : :_:e:_:_: :e:_
: : :e: ,
'----·-f--·--i--·~··t-~·-t-;·-t·--··f---·-·t··~··(-:-·r_~-_. ····f··---·~
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'
--- --:--
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; ~::!::::l:::::i:5:::i·:::::J::. . .;.:::i:::::t:::::t::::.j::::::I::::::l:::::1:::::i:::::i ::
-4 -3 -2 -1
0
9
]()
U
12
-4 -3 -2 -1
13
0
8
9
]()
U
12
13
•
Figure 4.18
Cod: number per hour, age-group O.
26
Cod, Age group 1 1994 quarter 1
Cod, Age group 1 1994 quarter 2
Max mean catch number por rocanglo: 497
Max moan catch number per recangle:
-4 -3 -2
-1
0
9
6
lO
U
12
13
-4 -3 -2 -1
0
6
1275
a9lOU1213
Cod, Age group 1 1994 quarter 3
Cod, Age group 1 1994 quarter 4
Max moan catch numbor por rocanglo:
Max moan catch numbor por rocanglo:
967
V89
~ 1·.·--·;·····,:--····:··.·-:---·-1--··.·1·-----t·---··:---··~:--_·-·t--_··-t·-·---:···-·:--··-t·---·:·
:i5
•
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i ,!
• ' •
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' •
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44
' 43
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: . : :\ .: : :.:.:.:.:. s:
':
37
~ c~·::::r::r::: i -:·t~:r::r::r~:t·:--:-·:~-rr-s+::-+:·::r::::1 ::
:~]Itr~~TJd~H~H~H~~
-4 -3 -2 -1
Figure 4.19
0
6
a
lO
U
12
-4 -3 -2 -1
13
Cod: number per hour, age-group I.
27
0
6
6
9
lO
U
12
13
Cod, Age group 2
1994 quarter 1
Max moan catch numbor por rocanglo:
~
~
~
n
~
n
~
n
~
n
n
n
Cod, Age group 2
58
n
n
1994 quarter 2
Max mean catch number per rocanglo:
~
~
~
E6
E7
E8
Eo
Fo
n
F2
F3
F4
F~
F6
n
F8
38
Fo
GO
Gi G2
:tTl~~di]_~;E~m~~J1tHJ~~
L... i
:
~..~ .L~.-L~
. L...-L.~. .....ltr..l
• : • : . i. i • : • : •
!..
i.._..l ~L ..L..j
j
: ~~ i
:
: ~~:
:
:
48
47
~ 1::: .:~:::t::~:::t::~::r~:J:~:r::::l:!
::::::t::~t:r:::J:::::··:::~
..L.~::~~I:::::
.!
! : 1.! ' !.:.: ,~: : 4~
:
:.:. 1 •
]
.._.. ~-_._-~._-_ ..:-.__.. ~ ...._.,-_.... ~ .._-.,..._..
:g
46
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-----+.-..
~.~...l..~..L~.. L-~ ..i•...L....L!.•: : . ~. i· :.~..L~\.....;' 44
::
. : . : . : .' , :.:.:.: .! . J! !.:e: 43
:;, t··_-·· ,-··---r-···-i---·-·i··-··-t ·t----··r-··-·f·----i··--·-t-···
,.-t----T.~-.i.
:
,:~:}!'~\::1:•.FiJ.::l1tr ·~-Jm·E:~I:'
I
:
:: • : •
: •
: • : •
: • : • : •
:
.... ~----_.~. __ .. ~._ .. _.~-_ ... ;_ ... _-;---_ .. ~. __ ._~._._.~_._---~-_. __
~-_._.
,
..
.
-,'
• :
:
....: :'-----.:---.
~
42
-
•": ;.1;+~j:!~!:+:+~+:+: H~if
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:; ~--: ..-.'' ----+....
+....(
j.....
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..-.-:--.. -+-....
: : : : : .::
~~---.-+-----~-.--..
.
.' ---.
•
:
: . . : 37
.-._--~-.-.
'T---"~
:.
······f·····+·::', • :·····i··~··l······~·····: : =is . 1..... !.....+.....+.....; 363~
:
:
:.
::: •
:
:
:
:
:
:
:~~1~~~!t=f~~tJ1It~j~~
-4 -3 -2 -1
0
6
80IOU1213
-4 -3 -2
Cod, Age group 2 1994 quarter 3
Max mean catch nurnber per rocanglo:
E6
-4
-3
E7
-2
E8
Eo
-1
Figure 4.20
Fo
0
Fl
F2
F3
~
F~
F6
6
F7
F8
8
0
Q1DU1213
6
Max moan catch nurnber per rocangle:
GO
Xl
0
Cod, Age group 2 1994 quarter 4
68
Fo
-1
Gi
U
49
G2
12
-4 -3 -2 -1
13
Cod: number per hour, age-group 2.
28
0
6
8
0
10
U
12
13
Cod, Age group 3 +
E6
E7
E6
E9
Fo
Fl
F2
F3
Cod, Age group 3 +
1994 quarter 1
Max mean catch number per rccangle:
F4
F5
F6
F7
45
F8
F9
1994 quarter 2
Max mean catch number per rccangle:
Co
Gl
26
G2
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:
::
:
0
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:.:.:.
:
:
:
:
:
:
:
~
:: -
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~ j -c; -;..+ +
j.......
•
,....
0
, •
49
'
0
•
_
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• •
•
•
,
,
,
,
,
48
'47
•
.
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-~-..~ ..~..~.~.j-.~.j.-~--i ..:.-i-~ ..~.-k:
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: -,_
: ....
• +.~h--:'i': .. ~: 45
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:---
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:
44
oi_:_:oi.: o:_:_: :.i-"/:-:.:.:
43
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0
:
-
:
.:
: •• :
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:
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0
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on ;••• : _...
•
.:
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;
-
:
:
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:
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:
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:
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_
38
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:
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:
0
:
:
0
:
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37
:
:
:
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:
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32
;; 2i.:::l:::::l:::::l:~t!:::L'_:O~:::l:::::r:::::t::::J::::::j::::::l:::::l:::::r:::::r
-4 -3 -2 -1
0
876
Cod, Age group 3 +
~
9
U
U
31
E7
E8
E9
F1
Fo
F2
F5
F8
F7
F9
F8
c
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~tJ.i~
I '
I
::
Go
Gl
•
•
'Zi-
'
I
•
:.
49
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<+' ··+·····1·····-1·····+
i i : i~:
: : 48
+·····+·····1
·----·.----·+-·-·~-·····~·-·--f-·----f-·--·
"
,:
•
,:
.•..
;·····~···-··~·---·4··--·~······~·-·--~·--·-·~---··
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:
•
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,
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I
•
•
; •
I
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, -t,5
···--r···J '--.--.~
: --+·····i·-···f
: - :• : 0: ..:r··'"··- .: : -••..
• :.
,~i .~.: : 44
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'
....
+..... ' --.: : .: :-:-;.:0:-:-:.:-:- ../1 :.: :43
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n··~t····
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:
:
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,
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:
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·····~--·--~·-····f···-·r·····+----f"·-·'
······r·-·· : . '-i-····~
0
1
2
878
9
~
U
U
D
1994 quarter 4
51
50
: :- :...:.
i.:
i ·-:··~-f--···"f
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···-f-····j······j·-···!····..
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g
0
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:
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:
:
:
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:
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:
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:
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•
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42
41
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·--1·· ." .: -:- : 40
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48
' : : : : . : :47
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: :.: .:.:t.•••--+.....-..
: 0 ! : i : : -+: 0:[ ::----.. : 46
....+-..+ +- i
~'
~~: 45
:0:.:.:.:-:
~
. , . ,
:
:
:
:
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: 36
~ l~[~:::r::r:::; .~.
:·····t:::r~::p:" --·t·····t:::::j····:r:::.[:::::r:::r::::j ::
:--·-·-~-···_-:·····+··
:
:
:
:
..·t-----1·--·.
1 ••••• _ : . . . .
·----f·----t-·--·1----·-!-----·r-··--+-----f---··:
:
:
:.:
: : : : : : : : 33
0
1
2
6
:~~EH;:~~ifEEEFFE.::
-4 -3 -2 -1
Figure 4.21
9
~
U
U
38
37
36
~
,
,
""
"..-... ~
il l······f-···
... -~ -+····i·--·-l······l····· .... -.f~
.. -t>'/
..•••••,
~ •••••.
1.....-1-.-..
f...-..f...-..:
j•••••.
42
j. , i.....+·.···j··~··j·-···i ..~.·i·!. f····.+·~··+·~··+.... ... l-.-~..l
~~!
• i ..•\ 41
L..... L.... ~..l .....L~..L:..L:..L.~..L....L~..L.....l-... '~"L'. .' ....+ ..__ :.40
52
i
46
.. -f·- '-····-+------i----· .• -.-~- .••• +... -~.-- ... ~
: . '
: . '
:.:
'.'
'..
.:
47
..-:•••••
G2
j:::::r::'r•.4t.l.;:~::.:i. .-. ·::::-~cr~;mr..··: ::::r:::r~:r::::L::r:::::).
, "
50
:
Max mean catch numbor per recanglo: 44
~ J::::::c:r:::r:::T····T-·-r··--r::::r:::~I~:r::::l::~:r:::r:::r:::::::
: : :.:•• :•:· :
0
Cod, Age group 3 +
1994 quarter 3
F4
F3
_:
i _:• :
..-.-+ + +..---/.---..\ : - i • :.! · i.:
-4 -3 -2 -1
D
Max moan catch numbor per rccangle: 33
E6
:
:i;l~~~;j];t~r~L~EI:Jj~
:
:
: 33
.__: ..., :' __. .. . : +
..__ : : : .....+: .....+
.....+
- : -: . , : : : : : : : :
~.---
:
{~,:
:
:
:
:
:
_·-··-}·-1!?---·1--·~-·f·---··t-·-·-~······r-·--t---_·-l
:
• : ~' ··t---··
, ,-, \: ·····i·····1·····.
, , • :·····-~··~--t----··~--··-:
,-, , n:::
, .:..---f-.., --t---..:
,,
35
34
:
0
: ' , : : : : : : :-~
~ l"'-C;
:,.,- -;···+···-f····+····+····+··--+····
.: :.!.:. :• :• ""'+"~~'+-"'-I""'-f'-'
: : : : ' :.:.
~...-.
30
~ j::::::t~::::~::::~:::::~.:::~:;.:..:·~-·\::::::t:~~ .~::t:::::t:::::t:::::l::~::t:::::!:::::t:::::r
~ ~_-._--~-- -~-
: .: .:
g f--'--'~----' ... ·:-·····t·--··i-----~t··_-·-t···-·
:; :......
I
.: ~: ·_f···_·
n=,
: ::...._-+-----f-----:
:::
: •
~ 1::::: ..---C::1:::::r::r~::L~:r::::t:::::r::r!:r::: .~...:_
..,[ ""l:!:I:J
: - : - :
:~.:::
39
+.-..
~
~ ..·. " ·i.· .;.. IJ;'···
.. ~
'</
:
1· '+"+"". :····+-····]······1····+···+·+··+········:..j~
.L.\ ~L~..L.~..L~.L ....l.~.L: .. ~~..l. :..~ .....J.
,
: •
ij..... :
:
i
·--·-{---·--i--·-~~·--···t----· .--.--~~'. t~----·~----·-~------~-----+---·-{-----·~·
::
:l
Ir)
~:::::
: : : • :.i.::
50
:
····+-···+-···1·····+·····
~ .. 1.7.1..... ····+····+·-·+····+·····f····-~
:.: • :.
:
:
:
:
:
:
:
:5 f-····+···· ... -f·····t····+-···f······f·····
.. _.+..
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+.-.+....
+.....-f..
-.+:
::
:: • : _ : • :.
: W : : : :~' : :
~-""'f-"-
::
-4 -3 -2 -1
D
Cod: number per hour, age-group 3+.
29
0
1
2
OlDUUD
Cod, Age group 1 1994 quarter 2
Cod, Age group 1 1994 quarter 1
Eo
E7
Eo
EQ
Fa
fI
F2
F3
F4
F,
Fo
F7
Fo
FQ
GO
GI
G2
j······f·---··r·····r····r·····r··--·l
~
N
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Cod, Age group 1 1994 quarter 3
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Cod, Age group 1 1994 quarter 4
Go
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eod: mean length (em below), age-group I.
30
-.------.-._---~-_
rl
11
- 32
.. -....: -.... :
12
13
Haddock. Age group 0 1994 quarter 3
Haddock. Age group 0 1994 quarter 4
Max mean catch number per recangle:
Max mean catch number per recangle: 31827
Eo
E7
EO
E9
Fo
F1
F2
F3
F4
F5
FO
F7
F8
26979
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89nU1213
-4 -3 -2
•
Figure 4.23
Haddock: number per hour, age-group O.
31
-1
0
n
U
12
13
Haddock, Age group 1 1994 quarter 1
Haddock, Age group 1 1994 quarter 2
Max moan catch numbor por rocanglo:
Max moan catch numbor por rocanglo:
2216
-4 -3 -2
D
-4 -3 -2 -1
0
5
8
9
2129
D
11
12
13
-1
0
5
9
11
12
Haddock, Age group 1 1994 quarter 3
Haddock, Age group 1 1994 quarter 4
Max moan catch numbor por rocanglo:
Max moan catch numbor por rocanglo:
1669
13
2648
~
"''+--+-f--+--+-t---+---+-+--+---+-+--+----<f--+--+-f--_+'
-4
-3
-2
-1
Figure 4.24
0
5
g
n
11
12
-4
13
Haddock: number per hour, age-group 1.
32
-3 -2
-1
0
5
Xl
U
12
13
Haddock. Age group 2 1994 quarter 1
Haddock. Age group 2 1994 quarter 2
1-.fax mean catch number per rocangle:
Max mean catch number per rocangle:
5001
2968
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40
48
47
48
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0
6
8011U1213
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-3 -2
-1
8
0
0
II
11
12
Haddock. Age group 2 1994 quarter 3
Haddock, Age group 2 1994 quarter 4
Max mean catch number per rocangle:
Max mean catch number per recangle:
4122
'"'"
13
4133
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13
Haddock: number per hour. age-group 2.
33
_ ••
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6
8
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10
----
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12
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13
Haddock, Age group 3 +
Haddock, Age group 3 +
1994 quarter 1
Max mean eateh numbor per roeangle: 1125
1994 quarter 2 •
Max mean eateh number per roeangle:
~
237
:------:-.-..-:.----t•••. -~---·--j·-·-·-:·-----:-···-- ~--···E~·----:------:----·-~····--'"·-··~····-~-
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-4 -3 -2 -1
0
Xl
6
Haddock, Age group 3 +
E7
E8
Eo
Fo
Fl
F2
F3
F4
F~
F6
12
F7
F8
-4 -3 -2 -1
Go
0
6
89X>U1213
Haddock, Age group 3 +
908
Fo
1994 quarter 4
Max mean eateh number per reeanglo:
GI
34
:~ttl~~~d:+tti=11+:t::
13
1994 quarter 3
Max mean eateh number per roeangle:
E6
11
37
G2
E6
E7
E8
Eo
Fo
Fl
F2
F3
F4
F~
F6
F7
F8
565
Fo
GO
GI
G2
N
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44
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on
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Figure 4.26
0
6
on~..:....t-+---i---t--+---I>---i--+-+---i---.j---+-t--+--I>-+--+'
Q1DU1213
-4 -3 -2 -1 0
6
891DU12:t3
Haddock: numbcr per hour, age-group 3+.
34
33
Haddock, Age group 1 1994 quarter 1
Haddock, Age group 1 1994 quarter 2
E6
~
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6
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12
13
Haddock, Age group 1 1994 quarter 4
Haddock, Age group 1 1994 quarter 3
E6
E7
E8
Eo
Fo
FI
F2
F3
F4
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F6
F7
F6
Fo
GO
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33
33
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Figure 4.27
II
U
12
-4
13
Haddoek: rnean length (ern below), age-group I.
35
-3
-2
-1
0
10
U
12
13
Whiting, Age group 0
1994 quarter 3
Max mean catch number per recangle:
Whiting. Age group 0 1994 quarter 4
24251
Max mean catch number per recangle:
E6
-4 -3 -2 - I
a
3
1O
U
12
-4
13
E7
Ea
E9
-3 -2 - I
Fa
a
FI
F2
F3
F4
F~
Fa
6
F7
Fa
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GI G2
11
U
13
•
Figure 4.28
Whiting: number per hour, age-group O.
36
Whiting, Age group 1 1994 quarter 1
Whiting, Age group 1 1994 quarter 2
I\[ax moan catch numbor por rocanglo:
Max moan catch number por rocanglo:
14953
26358
N
'"
52
51
•
~
"'4-~,---i--+---+-+--i---t---,--+--+--t--+--l---+-+----+--tJ
910111213
-4 -3 -2 -1 0
-4 -3 -2 -1
"
0
"91ll111213
Whiting, Age group 1 1994 quarter 3
Whiting, Age group 1 1994 quarter 4
Max moan catch numbor por rocanglo:
Max moan catch numbor por rocanglo:
E"
E7
E"
E9
Fo
F1
F2
F3
F4
F5
F"
F7
F"
7673
F9
GO
G1
~
G2
D
~
n
~
F1
n
~
~
9837
n n n n n
m
GO
~
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N
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.
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45
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::l
, ::'-r-;+~+-;'+--:-+-:-+-:-- i .:
44
..,...
.:
'
:
: -----f---~-!------j
-+-:--:---1 ::
: ---r;--r ~-'1
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-···~-----+----+---+----l--···+·····~
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43
42
.
45
42
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41
41
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40
40
39
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39
38
38
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37
:;
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35
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34
33
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31
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Figure 4.29
0
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9
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11
12
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~::I:::::i:::::t::ti:~~::t::t:::::t:::::j::::~LJ::::L::t:::::1
-4 -3 -2 -1
13
Whiting: number per haur, age-group I.
37
0
8
III
11
12
::
13
Whiting. Age group 2 1994 quarter 1
Whiting. Age group 2 1994 quarter 2
Max moan catch number por rocanglo:
Max moan catch numbor por rocanglo:
11GG8
5156
~ j::::::l::::::f::::::r::;::r"~--r-~--:-'~"-l::::::i::::::~r::-:-j::::::I::~::r:::::r::::t:::::1 ~2
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~
;_.-
---··}-_···+-----i---··--t------f------f--···· .• _--+--!E.'
--i----·-i------f---
...•.;
:~~-L.~--L~-L: ..L:--L:-.L.:-.----L i----.-L.-. L-. :.----L.~.l)!-L.-.j
•
: •
:.: .:
•
: _:
.
:.
.:
,
:
'
on
on
-4 -3 -2
-1
0
6
Whiting. Age group 2
:.:.:~:
6
~
11
420G
-4
10
-2
-1
Figure 4.30
0
46
47
-1
46
•
4~
-4 -3 -2
13
6
6
11
-1
89nU1213
0
Whiting. Age group 2
1994 quarter 3
hlax moan catch numbor por rocanglo:
-3
12
~1
1994 quarter 4
Max moan catch numbor por recanglo:
12
-4 -3 -2
13
Whiting: number per haur, age-group 2.
38
-1
0
6
6
4972
XJU1213
Whiting, Age group 3 +
Whiting, Age group 3+
1994 quarter 1
Max mean catch numuer per recanglo:
7262
1994 quarter 2
Max mean catch number per recanglo: 1952
~ ]::::::[::::::[::::I:::r"r"r"'T::::r:::~I~:r::::c:r:::r:::::r:::::! ~2
i
c;
i
i
i. . i . i •
i
lr
~ Ll y i : i i i : H
fi:"t:l?·~i;
.1=i=1r~I~1~:IJ
::_~Jn.:;=J~~l:~~Ej :
+..+ + +-..+ f~+
IW
.
·····!··_··f. +·····+·····i
i······' ,
~ ;... ..~.~..~ ..~.1 ~..1~.. j..~..;..:.. ~ ..~.'
..~ ·j l.·· : ; 1 147
:..,- .: • ; • : • : • : • ! •
.1
:
:
:
:
'
I
:
I
I
:.:.! : 46
;fl;EEET]:j:·::L;t~:~lj.EJ·
I
I
: :
" "
.:
•
:
•
:
•
:
I
.:
I
I
: :
•
I
:
•
;
•
,
:
:
43
:1=,i8~I~PI;Vl::fTl: _~~~n1i:::
,··tel":
~
:
:l :" .:
•
··~·;·j··.·j···~··r···.-··j······r······r·····j······t· ~
~~.~
i ' ·;·1···:·-1-··:··j······j······[······[·····1-·····t·····t . .:.. ~:
"1'
39
38
...
",
34
N
",
-4 -3 -2 -1
0
6
Whiting, Age group 3 +
8
I)
U
l.Z
-4 -3 -2 -1
13
0
Whiting, Age group 3 +
1994 quarter 3
9
6
I)
U
l.Z
13
1994 quarter 4
Max moan catch numuer per recangle: 2504
Max mean catch numuer per recangle: 2785
~2
•
39
38
37
36
~
",4----i-+--+-i--+--i-+--i--+--+-----<i---+-:----t---+--i--+--j.J
-4 -3 -2 -1
Figure 4.31
0
8
I)
U
l.Z
-4 -3 -2 -1
13
Whiting: number per hour, age-group 3+.
39
0
8
I)
U
12
13
------- -----------------
Saithe, Age group 2 1994 quarter 1
Saithe, Age group 2
Max moan eateh numbor per reeanglo:
Max moan eateh numbor per roeangle:
E6
.,'"
E7
,
E8
.
I
E9
.
,
•
._.1.. __ ••
•• •• L•• _. __ l_ •• _ _'_
~
,I
,
ö
,
,
,,
I
·_·_--t-_·_-t--_·_-~
:
:
:
Fo
•
,
Fl
,
,
_~
I
,
F2
,
._.L
,
I
I
F3
F4
F5
F6
F7
F8
52
F9
GO
GI
I
.
I
._L_••••
I
I
....·i······1-·_·--i--·---t--_·_·
:
:
I
I
,
-·---~-----·~-·---+---·-+---·-~·..
:
:.
50
I
49
I.
48
··-t--···-t--···
47
:,it=ll+FFi
46
4'
44
l-·_---t------r ·----r·--·-t-····i··-··-~·---·-!----·-r-·-·-t----!
...on
43
39
on
'"
'"'"
..'"
..'"
M
on
~
'"'"
'"'"
;;
~
"'4----1f__t_-+_-+-+----1--+--t--+-+-___+--i--i--i--+--+--tJ
-4 -3 -2
4
G2
g:::::~~::::t:~l:::::t::::j:::~::j::::::j::~::·
I
1994 quarter 2
-I
0
6
8
9
D
U
12
-4
13
-3
-2
-1
0
9
Saithe, Age group 2 1994 quarter 3
Saithe, Age group 2
l\lax moan eateh numbor por roeanglo:
Max mean eateh numbor por recangle:
14
.,'"
10
U
12
13
1994 quarter 4
43
.,'"
.2
:::::I:::::r~::~::::::l::::::I::::::I:::::
.
.
51
,
,
,
·····f·····+:U····+····j······i······i·····
~ ···+·····f··lr··~·-1······1·-···1·i+·~··
··---;---··_f-----·;·---·-t-··--i-----t----t---·
: : : : :.:.:.
··~····1·····t·····1······1······1·····-r.
:.:.
,·····!·····-I-·--···:---·-·-:---·--i-·----t·-----t-----.
~
:
:
:
:
:
:
:
: -----.·-·---i·---··~---·-~·-··-,~--·,-i-··,·-i······~-....
: : : : : i ! : :.
j···---r---·-'I ·,··-r"·"1---·--1-·····!-····-f-·--··t-·-·--t·---!--····t--·- r-·----r·--·-i---·--1-----t·--···t---··-r---··-r·---·l····--l----··r···
...
'"
{--.__.' -._._}
+
_.~
~._. --~
..-_.. ._ }-_..
~
_-~ -----~--
-- _.-- .
--~-
-~
'"'"
39
on
'"
38
.'"
37
36
3'
: 34
'"'"
'"
'"
31
~
"'4-~e__t_-+__+-+_~f__+-+____+-+_~f__+-+__+-+_~f__+'
;:;4--t--+-+-___+--+--t--+-+-___+--i--i--i--+----+--i--i----iJ
-4
-3 -2
-I
Figure 4.32
0
6
8
9
10
n
12
-4
0
Saithe: number per hour. age-group 2.
40
-3
-2
-1
0
6
9
1)
U
12
13
~'
Saithe, Age group 3 +
.
oe
,
,
,
,
,
Saithe, Age group 3 +
2016
oe
.
: ·-----i---·-i-----j·-:·-t--:--j---:--j·--:--j--····
·····!-····!····-r····-r··:-·r·----r·:--l--;-·
C)
.-.---:.-----:.!J'r'---.-:..-.--~--.-"!"-.-."!" •.-~
I
I
•
,
I
•••
·-··--t-----·I·----·f·-·--~··-·-·i·-----i·-·--·;·---·
~
;;jt~~i~j+~
40
46
46
47
46
45
_-~.-
:-:.:.:-:::.
:
.::
::
:44
t-----l-----r ~--1---·-t----r-:--l"-----t-----l-----r-~--!
------t---- r-' ---1----- ;------1
1------1---- f-----t-----t-----i------!------!---.---r-----t----t-----t-----t
---t----t- ---1
I</~:_"":
44
j:"--.' ·--::f::::~:::::t:::::j::::::l:::~::l::::::f:::::t:~::t:::::t:::::j
.
38
37
:;
i-----t---
:r+=F:r::q:F+F1=1r~
30
38
~
:~ttf~r~l~t~I::f~iEI~~
34
.
33
N
32
31
-1
0
6
Saithe, Age group 3 +
-4
aOIOUl213
-3 -2
-1
0
Saithe, Age group 3 +
1994 quarter 3
Max moan catch numbor por rocanglo: 151
N
oe
I
,
•
__ •
-·---~-----T·--·r·~ur;-T-~··r:·-T---·
:::::p:::t:~l::;::l:::q:~q:::::::p::
,...
,
,
. .
• __
•• .J_
,
,
._.J•
,
,
•
,
I
,
__ __l.__~ __ i._..._.i
~.~_l ~
10
U
12
13
1994 quarter 4
227
._
_
40
40
48
··---t---·--r----·t--:·-i---·--1--.-··t···..-1-·:··
.
,
____.t t__ ~
--·--i-----i--~---r--:·-Y-;--1-··:-·!··;·-!-····
~ ··~··_-l·_--·t---··j-_·~·-j----·i··-:·i-·:··
:...- ~ ------:------:-----i---·--i------t·----i----··,
:
,
,
'.,
I _ _ ••• ,
,
~
,
~
•
.
oe
I
o
Max mean catch numbor per rocanglo:
N
,
6
~
-2
.
-3
~
-4
•
::
~ ·-·~----f--:-+-:·-j---:-+~--j·--~+-:-·
oe
•
:::::~f~:r:::r:~::i:::::r:::f:::::;
·····-t--··-f---·-f---·-+--·--1-----i·----~·---·
47
. .... ·_+----;-----l---:--t·_·-r-----r---··f
!······1······} ···t-·-·-l·-·:--i·--:--l··-·---l-----·r------r·-~--:
.....
.
oe
-----r----r----r-:..r--~-_r-;--r:-l.·
488
~ :::I::::t:~::::::L::]:~:::l:::::j:::::
: : : -: -: :.:
··-·-~-_····~-·l-r-·_·-+···--~--~--i·_:--+-~··
I
1994 quarter 2
Max moan catch numbor per rocangle:
.·····r-·---r·.·---r-·:·-r·-:--l·-.---!·--:-·l·----·
~
.'
1994 quarter 1
Max mean catch numbor por rocanglo:
N
1
47
48
.
..
..
on
.
.
..
;;;'-r--if--+--t--+-+--t--t--I--+-+--t--+----.,f--+--t--+--t'
;;; 2-----.L----l---.-L...-~----.-l.:-.-L-.L--.L---.L.-- ..l.----.l..---L--L.. 1. 31
M
M
on
N
N
-4 -3 -2 -1
Figure 4.33
0
o
D
11
12
V-.l.----(-..+-~---1.-----~-.-+----+.----+--.-.i.-.-..j-. _ ._~-.---.~--.--+----.;-
-4 -3 -2 -1
13
Saithe: number per hour, age-group 3+.
41
0
6
D
U
12
13
32
Saithe, Age group 2
Saithe, Age group 2 1994 quarter 2
1994 quarter 1
.
oe
52
······l-····i--··--r--··-l·····r--·-r···l·····
I
I
I
I
I
I
I
;; ::::::f~::::!:;t:::::r::::r::T:::l:::::·
s -.---f---+.lf.-.+..--j----+---+--.·
~ ·::~:::r:::l:::::t:::::l:~:::I::~:t~:·
-.... ;--···-r·----t--···t---·-1---·-t·····t·····:
•
•
•
.35 .34.
•
•
···-··t······t······i·····1-·-·--t--t----1----·-r---·•
38
37
36
34
34
.
.
33
32
31
-4 -3 -2 - I
0
4
6
6
9
D
11
12
oe
.
,
-·--·t------~··
~
10
. . . . .
31
-4 -3 -2 - I
13
6
0
8
9
Xl
11
12
13
Saithe, Age group 2 1994 quarter 4
52
__ ·t-_··-'t-·---i-····-t·····-t··-··
i 1 148:49: i 1
····--f--···t-----f---·-t--·--i-·---·f-····-t···
32
~
Saithe, Age group 2 1994 quarter 3
.
33
51
n
......l..-...~.~l.~~.+:!~-1-----j.~-~- ....
:s ._._.. : 45 : i : : 51 : 30 :
~
~------}-_.
·~··-··{---·--i------t·_-·--t--·-·
:
i
:
:30136:32:
:
i
i
:33:
:
1
i 34
···_-l---·---r····_·:··__ ·_{-_··_·~-_···+··-··-t---_·
: : : i : 32: : 41
._.~--_.l-._._-:-._ .._-:-.. u+-_._~._---+_ .•.
:29:37
-._.- -····t·····+····-..;-···--,··----f·-----f--····
: 39 :
40
..
N
;:;4--+--+--+--f-.-t-+--t--,f--i--+--i--i---+-':"'f-.-t-+--iJ
-4 -3 -2 -I
Figure 4.34
0
6
-4 -3 -2 - I
89XlIl1213
Saithe: mean length (ern below), age-group 2.
42
0
4
678
g
D
11
12
13
Norway pout, Age group 0
1994 quarter 3
Max mean catch number per recangle:
-4
-3
-2
-1
Figure 4.35
0
J)
11
Norway pout, Age group 0
1994 quarter 4
l'vlax mean catch number per recangle:
70273
12
13
-4
Norway pout: number per hour, age-group O.
43
-3
-2
-1
0
6
8
125846
:v
11
12
13
Norway pout, Age group 1 1994 quarter 1
Norway pout, Age group 1 1994 quarter 2
Max moan catch numbor por rocanglo:
Max moan catch numbor por rocanglo:
a
a
D
m n n n
~
~
23717
n n " n n
m
~
a
~
D
a
n n n n
~
~
49152
n n " n n
~
m
~
:[~I;;1~;;;iii-liJ2:=~\§~rEj~I~0~
~
:
l~~~:~lil~~~~I!=~I~;I~fr:r~
~
·'~·'·f'·:·+'~"E·+!·j·~· f~+ -~:~f +
~.', ~ i,: '.-_~.'.'.',:~' ~'. _··.'.·.'.·.r:~ _l :~:.·.·.·.·.·.·.',:,·.·.·.· ·f,·.n·f:· · .· '.~ ,:.· .· .· '.:
j : . :
-+._+
+::
~ j:; ~:···j··:··_r··:
..
1···;··j··;··j··:··j··;·····_r··~;
··j·····-j-..···i··· ;""; ' 'i' ' ' !
-...-+....+....+-... +-....,--....,.....
... '.....+-...+.... ,····-+..
+
46
:g
···f ... -j-••••
',~~f,;,· ~· · ~,;:.·.·..·1,f~.·.
-·.~.· ·, ~:,:·-·.·.·.· .·.;: · · ·- f: .•.·.·~·.•·.-:'f..•... '. ._-- :,
~,:~.· .t.-j:~-·.·.·.·.·.!:",:.
. ,
., • , • , • ' •
"
" "
43
: ·····[··:··]···:··1··.·"1'···· "": . : .: ; i~! ···t·····t· ...].
45
·:.·.-.·!:,:-..-.·:.-.··.!:,:·.. . .
"
~ j"""
~._...
>
' , • • • • • ,;:,: • • • • •
:
·,·_··.·.·
••
••
44
42
_ ••• ~._--_.~--_•• ~---
_.~_ ••• _-; •• __ •
._.
-~ •• -.-.~_.__ .~- ••-
•• ~---.-.~
l
-~~~~
~--~--~---
:/-[:= :~,n-p-ti~-!:j:Ht:1~2;~i
: ',: ;: _.' :;' : :
:
,
"'
'.
-i,'_.•.
'
j:-. ..•.
••• : • : •
' ••• ' .
······.······f·····J······l·..···i-....·i--··..
.. -_:.
·'.·.t
:.;~f:, , ~~,
'... :···..·J····..1····· ,··..··f··..·.;. ····,,·····1
~ ~:
_--r-.--.L~j.-~
.. l--.:.. :_.~.. L--..~--~...L.!. :...\. : '
__+..:..;__~_~._.:_.!. .! ~ '--'--f-~":
••
... : :
on
':: •
:.:
r"'" :""T"T':"Tir'"
..
;.-~--
---~~-·-~-4~~-~~~-~-
::
'46
:.!
i: • i
L...
L.--.J
+-~~. L .~
: -:
:
~--~-~--~
,
"T:'T "'1
~~·----~~·---~
45
44
43
42
:
:
f-::: iq~J~ri~i=lItt=i.lf)~~! :
,:"-'-'-'-'--'1t~' " ~'- ., -'--"-'-'l-l-_~' "
t~r
-4 -3 -2 -1
0
ODllU13
-4 -3 -2
-1
0
8010111213
Norway pout, Age group 1 1994 quarter 3
Norway pout, Age group 1 1994 quarter 4
t.tax moan catch numbor por rocanglo:
Max moan catch numbor par rocanglo:
-4 -3 -2
-1
Figure 4.36
0
7276
-4 -3 -2 -1
8QlOll1Z13
Norway paut: number per haur, age-group I.
44
0
8
20V4
QlOll1Z13
Nerway peut, Age greup 2
1994 quarter 1
Max moan catch number por rocanglo:
Nerway peut, Age greup 2 1994 quarter 2
7806
Max mean catch numbor por rocangle:
N
'"
~2
:l
4681
L::r::r::~(::::r··T. ·r..·l::::::c:::~I~::r:::::r:~::C::::::::L::! ~2
! ! !. .!.!.
! ~.,~Ll.y ! ! ! ! ! : ~1
r~···r····r···· .! ··~··r~-T.·!e ·----·~~~-1·---·r--·T----r·---r----r····!
.... !
50
o
~o
49
: •
: •
: • : • :.
:
t---'
··-··t-·····t··-··~·····+-·-··+--_·_{-
:
:
:
:
:
:
: 49
~ j::::::1----.:::..r~:t:~::1:~:::!:::::l:~: :::::t ;··:::t:::::j::::::i~,::~:r·~
. :~:::::t:::::148
48
47
~
46
:
- :e:.:e: :.:: . : : : : - : :47
·----~--···_~·_···1---··-~---·-f··_·--t-_··- -----+-' --i------I------I--- .----; --i'-------t
i......... • i • i . i . i . i • i •
i : i : ' i • :,. i : ••
f-··
,------[------r-----j------j-.----·t------t-----·.
4~
~
: :.:.:'. --,····-4·.···+--.··
.':.:.
····-l-····~-···-~--_··~_··u.~.--
: :.: .. : . : . : : :
(l:::::.:::=i·+··-~---·-i------i-----·f···---: :
.- '------t-----j---:!:------t··----rt-,-t-----j·
: ' v:·;.
.1:
: 45
... _.+.••. •••..
: :. :e: .
43
,·-·-i-·-n~-··-·-1---·-t··_--
:
42
:
:. : . :
, . '.. ' .... - ' .
I
~_
~.
.:·::44
,'--"-!---- ~ --+--_.- :.-----+
:':
.: :
··-f-----t- '··1:.:
: u
".
-~··-r---·--r_---t----r_·--·:
. :. :.: :.
:
~b
41
,rzpt:;r
=flIIE1I~~ffCl::
'!~r.L-,
-=tt.2:, "
40
39
...
"
,40
'-lL-LLLL
:~fj~1:1I1:~I~f~1~,::
'""
N
"
31
~
"4---;--+---;--+---t--+---;--+---;--+---;--+---;--+---t--+----+'
-4 -3 -2 -I
0
6
8
Nerway peut, Age greup 2
9
10
E6
E7
E8
E9
Fo
FI
F2
F3
F4
F~
F6
U
12
-4 -3 -2 - I
13
1994 quarter 3
Max moan catch number per rocangle:
F7
F8
2201
F9
GO
GI
0
Nerway peut, Age greup 2
D
11
12
13
1994 quarter 4
Max moan catch number per rocangle:
4083
-4 -3 -2 -I
D
G2
:l r··r···r··l····r·····r···l······l·····r···t~1-·····r··r-··!·····r·--r····:
~2
• j • i . ··--···i--····~~<r
t--..·t~··.. j....--i..-..i.·..-'i-----t---..i ~1
.••..' ..{-- .•.
:. .-:.-t--:-.~...~.-i ..:..i..... ·....-r·· ~.~.---.i--.---i.---.~-._ .._~-_ ..-.L....J '0
j..····i······!··;-i··:···
;;
43
I
----[::.::~-:.::r-:.:j:--~::j:::. : -----'f: - - - :.~, -----T:.----j:------;, .__:j jt~~T::·.j
41
""
-----{------i--··-t-·_---f----- .••••_~.,. -
t------t--_·
::
~-_.-_.~-.----~-----
~ __.__ .~
~ i
. ···--"l------f----··,
···-·t--·-··t-----·~---·-+----_·~---_·~
:. ... i . i • i • i . : •
i ~ ri
! : : i
:
:
49
,1~~·llll§!It~Jm~]~~
fl:::::;:::::;)-:---i--:--1---:"j'''~''j''''''
i
'---·--i----- .----+----. --t--:· :'' -'1 ::
····-t···'-l-----t-:--t--_· ---_.. '
----r-:--r -'-1
42
·.:.:.:_:.:.f.:.:.:.:.:.r.~:_:_r.:_:_:_:.:,i:.:.:_:_:_:.:,1
;~~:B!:iFr: ," " i~J :
: rti~,'~j- :=j=jj=tl::t:::c:~-1 :
,
,
,
.
,
"
41
.!
, l~:ttJ:::j~:j:~j:Lttj::
, l::tjj=ffij:~tl::t::t:t:tj :
. ~jiJ.r±h±i:d:Jil+::l::
-4 -3 -2 -I
Figure 4.37
0
9DU1213
Norway pout: number per hour, age-group 2.
45
0
U
12
13
------------ -
-------
----------------
1994 quarter 1 Narway paut, Age graup 3 +
Narway paut, Age graup 3 +
Max mean catch number per recangle:
2677
1994 quarter 2.
600
Max mean catch number per recangle:
'".,
.,'"
49
49
4&
4G
47
47
40
40
44
"on
.,on
43
43
u
42
41
41
40
39
39
3&
3&
37
37
30
30
'"on
34
34
33
33
'"on
32
32
31
31
-4 -3 -2
-1
o
o
0
n
9
Narway paut, Age graup 3 +
E7
E&
E9
Fo
Ft
F2
F3
F4
F5
Fe
F7
13
12
-4 -3 -2 -1
o
0
Fe
459
F9
GO
n
9
1994 quarter 3 Narway paut, Age graup 3 +
Max meau catch number per rocangle:
E6
U
G2
Ee
E7
Ee
E9
Fo
Ft
F2
F3
F4
F5
Fe
F7
12
13
1994 quarter 4
Max mean catch number per recangle:
GI
U
Fe
406
GO
F9
GI
G2
.,'"
52
51
49
4e
47
4e
39
3e
37
3e
34
33
32
31
-4
-3 -2
-1
Figure 4.38
0
e
9
n
U
12
13
-4 -3 -2 -1
Norway pout: number per hour. age-group 3+.
46
0
o
9
n
U
12
13
Norway pout, Age group
Eo
E7
Ee.
Eo
Fo
Fl
F2
F3
Fot
F,
Fo
1
F7
1994 quarter
Fa
Fo
Go
Norway pout, Age group
1
G 1 Cl
Ea
N
C>
0
'2
:l
'1
~
Fa
[0
Ft
F2
F"3
Fot
F,
Fa
F7
Fe.
Fa
CO
Cl
Cz
,
,
Ci
~
~--_
g
~
!-...
:
:
~2
,
~I
..\._.-
j······t--_· '
40
40
r'--...
[8
r:::c:::[::::r:::r··r··r····c::r:::::·
,
'0
g
[7
1994 quarter 2
1
47
.
.
.
40
.
..
....._}. . '
15:~!~:~:~:12:~
:
..-...
~:~:tl:~:12:~:12
:
..i·--·I·_·_··t······
~:~:~:~:~:~
_·_·_~-_·-~·_··_~-·····i··_···I··--··I-····-
~
40
40
···_-~-_···~······1·_···t··_·--t·_····
47
~.-
40
_·_·_~···_-:-····--\·_··
:
C>
.
:~:14:12:tl:12:12:12
·····.-····.····-+··_·--\-····_~······J···_·-I·····4··_·.
on
: :~-.L~.l..~-L~..L.. _J ;
~
.:.~-.L .... L~.l . ~.L~ _~....;.- - . . . ...;.-+.";O''''i''~.
; - j.~l.~.l..~.L~..1..._ L -} ~ +-.. --~ -~ J.
l.~.l. l..~.l ..~.L~ ~. L.~.l. l L.. -.j
L. ~ ~.l.~.L~.L~ .. i ~ ..~..L L L...L j
44
43
~
on
42
41
~
40
30
37
30
M'
on
Xl
-4 -3 -2 -1
U
12
31
13
E7
Eo
Eo
Fo
FI
F2
f3
F4
F,
Fo
F7
Fa
Fo
GO
GI
•
•
,
,
37
30
•
,
•
•
3>
OXlUI2I3
-4 -3 -2 -I
Norway pout, Age group 1 1994 quarter 3
Eo
•
30
30
; ~::!:::+:::L~::J.::::!::.:::; . :J:j ::::i::.:+::.:1::~::l:::::L::L::: i ::
32
;;~=~-+--i--+---i--i---t----i--+-+--<.--+-+-~i----i--+--t'
40
: [::F:J::+:::i:::::r:.J::::::i::::::!"::.:t:t:::t:::::i:::::r~T:::F:I:::~ ::
33
N
41
:~II~'~i~ii·ittll+:i
30
on
on
43
42
Norway pout, Age group 1 1994 quarter 4
G2
Eo
N
N
•
o·
E7
._.
Eo
• __ •
,
.
,
,
Eo
..
Fo
~
,
,
FI
~
F2
F3
__ •• __ ._ ••• __•
,
.
,
F4
F,
F"
F7
Fa
Fo
GO
GI
G2
._ ••••••• _.. _
,
,
: : :16:16;'6:
: ..
.:_----_._----_._--.-_
..
C>
ö
o
, _--
L.....L.... .L~.:
~
'0
~
40
L:::t····· ...
46
47
40
,
on
on
,
,
,
r-----r------r--··:···-·
. . ,
M'
M
,
,
,
,
34
33
N
N
on
on
32
: 31
: 31
-4 -3 -2
-1
Figure 4.39
0
Xl
U
12
13
-4
orway pout: mean length (ern below), age-group I.
47
-3 -2 -I
0
"
6
10
U
12
13
·5
·3
I
1
·1
I
I
5
3
~
I
)
61l
59
C V
t-:
../
~
6.0~
~
c
~~
I
9
I
11
I
13
I
/
61
/<
6.0
59
0
V6;O
57-,
7
IJ
,
>
55-~
53-
53
51%
49-
IBIS 1994:Quarter 2
(B ottom rem perature)
51
- - - - . - - - L - , - - - , - - - - - - - - - , - - - - - - . - - - - - . - - - . - - - - - - - - - - - - . - - - - - - -..
·5
·3
·1
1
3
5
Figure 5.1
48
7
9
11
49
13
•
·5
I
•
·3
I
·1
I
1
9
I
I
11
13
I
I
6L
61
59:
59
57,
)
5
5-~
U'
53-
53
51%
IBIS 1994:Quarter 2
(Bottom Salinity)
51
49- --.--~----r---.---,------r--,--------,----·4 9
·5
·3
·1
1
3
5
7
9 11
13
Figure 5.2
49
·5
·3
I
·1
I
1
t
9
3
t
I
11
I
13
I
61
I
59~
59
53-
53
IBIS 1994:Quarter 3
(Bottom Iemperature)
51
49- --------.--.L-,---.-------.---.------~-~-r--~,4 9
·5
·3
·1
1
3
5
7
9 11
13
Figure 5.3
50
·3
!
·1
!
1
!
3
7
!
!
9
!
11
13
I
I
61 ~
61
59-
59
57;
>
55-~
53-
53
IBIS 1994:Quarter 3
(Bottom Salinity)
51
49- -------.------------L-,---.----.---.---,.-----.-------.------.' 49
·5
·3
·1
1
3
5
7
9
11
13
Figure 5.4
51
1----
,
·5
I
·3
·1
I
I
1
I
3
7
I
I
9
I
11
13
I
I
i
61 ~,
61
i
57-
•
,
>
55 -~
53-
53
5[%
IBIS 1994:Quarter 4
(Bottom Iemperature)
51
49- ----,-,-"--.----.-,----.-,--.-,--,----,--,----,
·5·3
1
3
5
7
9
49
13
-,r------,,'
Figure 5.5
52
11
.·5
·3
·1
1
3
5,
I
7
I
9
I
I
61 "
11
13
I
I
61
i
:
59~
59
57~
,
>
55-·
0
34.5)
53-
53
5[%
IBIS 1994:Quarter 4
(B ottorn Salinity)
51
49
--'-~===--'-1
--:-3
~5;----:;7~o9-1111113
·3
·1
49-·5
Figure 5.6
53