REPORT OF THE SPECIAL WORKING GROUP ON CEPHALOPOD STOCKS IN THE NORTHERN REGION OF CECAF

Table 1

CUTTLEFISH, SQUID AND OCTOPUS TOTAL CATCHES AND PERCENTAGES BY ZONE-QUARTERLY STRATUM OF THE KOREAN FLEET IN 1980
26°N	1	2	3	4									26°N
22°N	2.2	0.9	0	1.2	0.2	0.1	0	0.4	0.3	0.1	0	0.3	22°N
19°N	1.8	1.9	1.1	4.7	0.2	0.3	0.4	1.1	1.5	1.6	4.9	3.8	19°N
15°N	0.0	0.8	0	0.8	0.0	0.0	0	0.3	0.0	0.2	0	0.0	15°N
13°N	0	0	0	0	0	0	0	0	0	0	0	0	013°N
Cuttlefish					Squid				Octopus
(x 1 000 t)					(x 1 000 t)				(x 1 000 t)


Total catches Shirmura (1981):15 545 t					Total catches (Shimura):2 905 t					Total catches (Shimura):12 756 t
26°N					∑					∑					∑
22°N	14%	6%	0%	8%	28%	8%	2%	0%	12%	22%	2%	1%	0%	3%	6%
19°N	11	12	7	30	61	6	12	13	37	68	12	12	39	29	92
15°N	1	5	0	5	11	0	1	0		10	0	1	0	0	1
13°N	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Cuttlefish					Squid					Octopus

Table 2

CEPHALOPODS. DECLARED NOMINAL CATCHES (1 000 t), BREAKDOWN BY COUNTRY IN THE CECAF NORTHERN REGION
Division	Country	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981
34.1.1	USSR										0.1
	Korea															4.4*
	Japan	2.0	3.6	3.3	2.0
	Spain								7.0	3.4	6.3	0.5	0.5	2.2	1.0	3.1
	Morocco										1.0	1.1	1.0	0.8	0.7
	Italy															1.0*
	Ghana															0.4*
	Total zone	2.0	3.6	3.3	2.0	0	0	0	7.0	3.4	7.4	1.6	1.5	3.0	1.7	8.9(*)
34.1.2	Italy													0.1	0.4	0.3*
	Korea												0.3	0.2
	Portugal										0.3
	Spain								24.6	1.5	0.2		0.1	0.3	0.7	0.6
	USSR									0.1
	Total zone	0	0	0	0	0	0	0	24.6	1.6	0.5	0	0.4	0.6	1.1	0.9(*)
34.1.3	Spain	50.8	54.2	54.7	53.6	45.0	93.6	112.2	56.5	76.4	87.1	94.0	69.1	88.0	65.4	66.3	93.0E
	France														0.8
	Italy	9.0	7.3	4.3	5.2	2.4	2.6	0.3	0.5	7.0	3.3E	3.3E	3.3E
	Japan	48.5	90.2	107.0	68.6	52.3	50.9	49.8	41.0	37.9	25.3	25.7	27.5	21.6	11.0
	Korea												17.2	20.4	7.9*	24.2*
	Poland								0.2
	Libya															0.2*
	Bulgaria									0.1
	USSR							3.8	3.7	6.7	6.4	9.1	9.3	6.7	(4.2)	3.0
	Morocco												5.0¹	0.6	8.3	10.5	18.8
	Mauritania							1.3			0.6	0.6	0.6	0.6	0.6	1.1*
	Portugal									0.2
	Total zone	108.3	151.7	166.0	127.4	99.7	147.1	167.4	101.9	128.3	122.7	132.7	132.0	137.9	98.2(*)	105.3(*)
34.3.1	Japan	1.2	2.8	1.9	5.5	4.0	8.1	9.3	6.6	7.8	7.6	1.7	1.4	2.2	2.9	1.8
	Korea												4.8	9.6		1.9*
	Senegal							0.2	0.7	2.3	2.6	2.6E	2.3	2.5	2.8	3.4
	Spain														5.8	0.7
	Italy	2.8	3.1	2.8	3.5	1.6	2.6	4.1	2.7	0.9	0.2E	0.2E	0,2E	1.7	1.7
	USSR								0.3	0.2					0.1	0.1
	Gambia								0.2
	Ivory Coast										0.3
	Total zone	4.0	4.9	4.7	9.0	5.6	10.7	13.6	10.5	11.2	10.7	4.5	8.7	16.0	13.3	7.9(*)
Zone not identified	Portugal	1.5	2.0	1.6	1.2	0.1					0.2	0.1		0.1
	USSR				1.6	1.4	2.8
	Greece	5.3	4.3	5.8	5.1	3.7	4.7	3.9	3.9	3.5	1.7	2.4	2.5	1.6	2.4
	Korea				2.6	3.5	5.2	5.6	17.1	23.4	28.8	39.5
	Italy													0.1	0.1
TOTAL		121.1	166.5	181.4	148.9	114.0	170.5	190.5	165.0	171.4	172.0	180.8	145.1	159.3	116.8	123.0(*)

¹ Estimate supplied by a Moroccan research worker

E FAO estimate

* Shimura (1981)

Table 3

OCTOPUS. DECLARED NOMINAL CATCHES (1 000 t), BREAKDOWN BY COUNTRY, IN THE CECAF NORTHERN REGION
Division	Country	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981
34.1.1	Japan	0.4	0.5
	Spain								2.9	2.0	2.8				0.3	0.4
	Total zone	0.4	0.5						2.9	2.0	2.8				0.3	0.4
34.1.2	Spain								4.9	0.5					0.4	0.2
34.1.2	Total zone								4.9	0.5					0.4	0.2
34.1.3	USSR										6.0	8.6	7.7	5.9	(4.2)	2.6
	Italy	2.7	2.2	1.7	1.9	0.9	1.0	0.1	0.2	2.3	2.3E	2.3E	2.3E
	Japan	25.2	51.3	72.5	44.0	38.2	36.1	31.0	28.0	25.0	22.0	23.6	25.2	18.8	9.6	0
	Morocco												5.01	0.6	3.9	5.6	9.7
	Mauritania							0.8			0.1	0	0.1	0.1	0.1	1.0*
	Korea												6.5	6.8	7.9*	11.1*
	Spain	39.3	41.1	41.3	37.8	30.1	67.3	87.3	38.6	62.7	55.9	71.6	48.4	53.1	35.9	43.0	66.8E
	Total zone	67.2	94.6	115.5	83.7	69.2	104.4	119.2	66.8	90.0	86.3	106.2	95.2	85.3	61.6(*)	63.3(*)
34.3.1	Korea												1.3	2.8		0.2*
	Italy	1.1	1.3	1.4	1.5	0.6	0.9	2.1	0.9	0.2	0.2E	0.2E	0.2E	0.2	0.2
	Japan	0.1	1.1	0.4	2.1	1.5	1.9	2.0	1.8	3.1	2.5	1.0	0.9	1.0	0.1
	Senegal									0.7	0.3	0.3E	0.2	0.1	0.1	0.6
	Spain														3.8
	Total zone	1.2	2.4	1.8	3.6	2.1	2.8	4.1	2.7	4.0	3.0	1.5	2.6	4.1	4.2	0.8(*)
Zone not identified	Greece	3.0	2.7	3.6	2.8	0.7	1.1	0.7	0.9	0.7	0.2	0.1	0.1	0.1	0.2
Zone not identified	Korea				1.1	2.1	1.8	1.2	3.7	6.6	10.5	19.8
TOTAL		71.8	100.2	120.9	91.2	74.1	110.1	125.2	81.9	103.8	102.8	127.6	97.9	89.5	66.7(*)	64.7(*)

¹ Estimate provided by a Moroccan researcher

* Shimura (1981)

E FAO estimate

Table 4

CUTTLEFISH. DECLARED NOMINAL CATCHES (1 000 t), BREAKDOWN BY COUNTRY, IN THE CECAF NORTHERN REGION
Division	Country	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981
34.1.1	Japan	1.3	1.8	2.7	1.3
	Korea															3.9*
	Spain								2.6		1.8			0.4	0.3	0.6
	Morocco													0.1	0.3
	Ghana															0.4*
	Total zone	1.3	1.8	2.7	1.3				2.6		1.8			0.5	0.6	4.9(*)
34.1.2	Portugal										0.2
	Spain								14.1		0.1		0.1	0.3	0.2	0.1
	Italy														0.3	0.3*
	Korea												0.1
	Total zone								14.1		0.3		0.2	0.3	0.5	0.4(*)
34.1.3	Morocco														3.6	3.9	6.2
	Korea												5.0	7.0		10.8*
	Italy	1.8	2.2	0.9	1.8	0.8	0.8		0.1	1.2	1.0E	1.0E	1.0E
	Japan	19.8	28.7	28.0	19.3	9.9	9.8	14.6	8.8	7.8	2.7	1.8	2.0	2.5	1.3
	Mauritania							0.4			0.4	0.4	0.4	0.4	0.4
	Portugal									0.2
	Spain	7.3	7.6	7.7	8.9	7.2	13.7	12.0	7.2		14.7	13.8	13.8	21.8	19.3	17.4	20.5E
	USSR													0.1
	Total zone	28.9	38.5	36.6	30.0	17.9	24.3	27.0	16.1	9.2	18.8	17.0	22.2	31.8	24.6	32.1(*)
34.3.1	Senegal							0.2	0.7	1.6	2.3	2.3	2.1	2.4	2.7	2.8
	Gambia								0.2
	Italy	1.1	1.1	1.0	1.0	0.3	0.6	1.0	0.9	0.5
	Ivory Coast										0.3
	Japan	1.0	0.6	1.4	3.3	2.4	6.1	6.8	4.6	3.9	4.6	0.6	0.4	1.2	2.8	1.8
	Korea												1.9	5.4	3.0E	1.6
	Spain														1.6	0.5
	Total zone	2.1	1.7	2.4	4.3	2.7	6.7	8.0	6.4	6.0	7.2	2.9	4.4	9.0	7.1	6.7
Zone not identified	Italy													0.1	0.1
	Greece	1.1	1.1	1.2	1.9	2.6	2.9	2.4	1.8	1.6	1.1	2.1	2.3	1.4	2.1
	Korea				1.0	0.3	2.2	2.5	7.7
	Portugal	1.2	1.7	1.3	1.0						0.2	0.1		0.1
TOTAL		34.6	44.8	44.2	39.5	23.5	36.1	39.9	48.7	16.8	29.4	22.1	29.1	43.2	35.0	44.1(*)

* Shimura (1981)

Table 5

SQUID. DECLARED NOMINAL CATCHES (1 000 t), BREAKDOWN BY COUNTRY IN THE CECAF NORTHERN REGION
Division	Country	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981
34.1.1	USSR										0.1
	Korea															0.5*
	Japan	0.3	1.3	0.6	0.7
	Spain								1.5	1.4	1.7	0.5	0.5	1.8	0.4	2.1
	Morocco										1.0	1.1	1.0	0.7	0.4
	Italy															1.0*
	Total zone	0.3	1.3	0.6	0.7				1.5	1.4	2.8	1.6	1.5	2.5	0.8	3.6(*)
34.1.2	Italy													0.1	0.1
	Korea												0.2	0.2
	Portugal										0.1
	Spain								5.6	1.0	0.1				0.1	0.3
	USSR									0.1
	Total zone								5.6	1.1	0.2		0.2	0.3	0.2	0.3
34.1.3	France														0.8
	Bulgaria									0.1
	Italy	4.5	2.9	1.7	1.5	0.7	0.8	0.2	0.2	3.5
	Japan	3.5	10.2	6.5	5.3	4.2	5.0	4.2	4.2	5.1	0.6	0.3	0.3	0.3	0.1
	Poland								0.2
	Spain	4.2	5.5	5.7	6.9	7.7	12.6	12.9	10.7	13.7	16.5	8.6	6.9	13.1	10.2	5.9	5.7E
	Libya															0.2*
	Korea												5.7	6.6		2.3*
	Mauritania							0.1			0.1	0.1	0.1	0.1	0.1	0.1*
	USSR							3.8	3.7	6.7	0.4	0.5	1.6	0.7		0.4
	Morocco														0.8	1.0	2.9
	Total zone	12.2	18.6	13.9	13.7	12.6	18.4	21.2	19.0	29.1	17.6	9.5	14.6	20.8	12.0	9.9(*)
34.3.1	Italy	0.6	0,7	0.4	1.0	0.7	1.1	1.0	0.9	0.2				1.5	1.5
	Japan	0.1	0,1	0.1	0.1	0.1	0.1	0.5	0.2	0.8	0.5	0.1	0.1
	Korea											1.6	1.4			0.1*
	Spain														0.4	0.2
	USSR								0.3	0.2					0.1	0.1
	Total zone	0.7	0.8	0.5	1.1	0.8	1.2	1.5	1.4	1.2	0.5	0.1	1.7	2.9	2.0	0.4(*)
Zone not identified	Portugal	0.3	0.3	0.3	0.2	0.1
	USSR				1.6	1.4	2.8
	Greece	1.2	0.5	1.0	0.4	0.4	0.7	0.8	1.2	1.2	0.4	0.2	0.1	0.1	0.1
	Korea				0.5	1.1	1.2	1.9	5.7	16.8	18.3	19.7
TOTAL		14.7	21.5	16.3	18.2	16.4	24.3	25.4	34.4	50.8	39.8	31.1	18.1	26.6	15.1	14.2(*)

Table 6

SPANISH CPUE DATA - DIVISION 34.1.3
Year	Effort (fishing hours)	Octopus (t)	cpue (t/h)	Cuttlefish (t)	cpue (t/h)	Squid (t)	cpue (t/h)
1966
1967
1968
1969	154 787	37 768	0.244	8 861	0.057	6 871	0.044
1970	143 424	30 119	0.210	7 723	0.054	7 693	0.054
1971	317 373	67 283	0.212	13 670	0.043	12 589	0.040
1972	727 225	87 267	0.120	11 951	0.016	12 900	0.018
1973	406 432	38 611	0.095	7 246	0.018	10 742	0.026
1974	847 527	62 717	0.074	26 627	0.031	13 674	0.016
1975	1 174 820	55 914	0.048	14 708	0.013	16 493	0.014
1976	1 423 300	71 616	0.050	13 794	0.010	8 615	0.006
1977	1 446 700	48 375	0.033	15 630	0.011	6 869	0.005
1978	1 243 162	53 078	0.043	21 794	0.018	13 078	0.011
1979	1 311 660	35 912	0.027	19 295	0.015	10 209	0.008
1980	1 273 000	42 950	0.034	17 447	0.014	5 799	0.005
1981	1 015 724^E	66 850^E	0.066^E	20 486^E	0.020^E	5 684^E	0.006^E

E = FAO estimates

Table 7

CATCHES, EFFORT AND CPUE FOR SPAIN, MOROCCO AND KOREA (1980 AND 1981)
Country	Data	Squid		Cuttlefish		Octopus
Country	Data	1980	1981	1980	1981	1980	1981
Spain	Catches (10³ t)	5.8	5.7^E	17.4	20.4^E	43	66.8^E
	Effort (10³ j)	63.6	50.8^E	63.6	50.8^E	63.6	50.8^E
	cpue (kg/j)	91	112^E	274	402^E	676	131.5^E
Morocco	Catches (10³ t)	1.0	2.9	3.9	6.2	5.6	9.7
	(Shimura, 1981)	(2.4)		(9.5)		10
	Effort (10³ j)
	(Shimura, 1981)	(14.2)		(14.2)		(14.2)
	cpue (kg/j) ¹	70/80	130/240	500/310	500/250	970/140	1 140/160
	(Shimura, 1981)	(170)		(666)		(702)
Korea	Catches (10³ t)	1.2		2.8		7.3
	(Shimura, 1981)	(2.9)		(15.7)		(12.8)
	Effort (10³ j)	4.1		4.1		4.1
	(Shimura, 1981)	(17.9)		(17.9)		(17.9)
	cpue (kg/j)	306		690	1	784
	(Shimura, 1981)	(163)		(881)		(714)

¹ The two values given in this table were calculated from a very small sample of sea trips fortwo groups of five and two boats respectively, apparently showing a sizable difference in theproportion of octopus

Table 8

WEIGHT (kg, UNGUTTED) - MANTLE LENGTH (cm) RATIOS OBTAINED DURING DIFFERENT CRUISES BY IBN SINA
	Males				Females				Total
Octopus	80–02	80–05	81–04	81–09	80–02	80–05	81–04	81–09	80–02	80–05	81–04	81–09
n	146	334	188	381	166	365	226	410	312	705	414	791
a	0,0040	0,0037	0,0026	0,0049	0,0058	0,0021	0,0037	0,0060	0,0049	0,0018	0,0031	0,0054
b	2,3522	2,2286	2,5819	2,2726	2,1663	2,4632	2,4322	2,1603	2,2469	2,5353	2,5112	2,2256
r²	0,9086	0,7961	0,9454	0,8331	0,8936	0,8177	0,9175	0,8285	0,8991	0,8507	0,9324	0,8343
									The ratios obtained for the 81–02 cruise were (total):
										P = 0,0024 L^2,613 (Dakhla)
										P = 0,0009 L^2,875 (Cape Blanc)

Cuttlefish	80–02	80–05	81–04	81–09	80–02	80–05	81–04	81–09	80–02	80–05	81–04	81–09
n	15	81	89	102	23	53	61	77	50	134	150	179
a	0,0009	0,0003	0,0004	0,0004	0,0007	0,0003	0,0003	0,0006	0,0008	0,0003	0,0004	0,0005
b	2,3967	2,6792	2,6037	2,5735	2,4530	2,6719	2,6640	2,4945	2,372	2,6680	2,5967	2,5435
r²	0,9673	0,9772	0,9880	0,9575	0,9806	0,9790	0,9638	0,9781	0,96	0,9741	0,9791	0,9670


Loligo	80–02	80–05	81–04	81–09	80–02	80–05	81–04	81–09	80–02	80–05	81–04	81–09
n	84	267	255	301	129	289	200	264	213	556	455	565
a	0,0007	0,0007	0,0002	0,0004	0,0014	0,0007	0,0003	0,0003	0,0010	0,0008	0,0003	0,0004
b	2,0006	1,9520	2,3071	2,1231	1,7626	1,9506	2,2130	2,2121	1,8778	1,9403	2,2865	2,1453
r²	0,9649	0,9327	0,8412	0,9691	0,7750	0,9181	0,9519	0,9171	0,8615	0,9135	0,8587	0,9491

Table 9

OCTOPUS VULGARIS SEX RATIOS IN IBN SINA EXPERIMENTAL TRAWLING CAMPAIGNS
Month	LM (cm)	Males		Females
		%	N	%	N
80–02	< 5	18.75	3	81.25	13
	5 – 9	48.63	71	51.37	75
	10–14	52.00	52	48.00	48
	15–19	43.18	19	56.82	25
	20–24	0	0	100	4
	25–29	0	0	100	1
	> 30	100	1	0	0
	Total	46.79	146	53.21	166
80–05	< 5	33.33	2	66.67	4
	5 – 9	43.70	156	56.30	201
	10–14	50.78	130	49.22	126
	15–19	50.00	27	50.00	27
	20–24	73–68	14	26.32	5
	25–29	71.43	5	28.57	2
	> 30	-	0	-	0
	Total	47.78	334	52.22	365
81–04	< 5	33.33	1	66.67	2
	5 – 9	41.84	59	58.16	82
	10–14	43–75	84	56.25	108
	15–19	50	30	50	30
	20–24	75	12	25	4
	25–29	100	2	0	0
	> 30	-	-	-	-
	Total	45.41	188	54.59	226
81–09	< 5	33.33	6	66.67	12
	5 – 9	44.83	273	55.17	336
	10–14	60.96	89	39.04	57
	15–19	72.22	13	27.78	5
	20–24	-	-	-	-
	25–29	-	-	-	-
	> 30	-	-	-	-
	Total	48.17	381	51.83	410

Table 10

SEPIA OFFICINALIS SEX RATIOS IN IBN SINA EXPERIMENTAL TRAWLING CAMPAIGNS
Month	LM (cm)	Males		Females
		%	N	%	N
80–02	< 5	-	0	-	0
	5 – 9	50.00	8	50.00	8
	10–14	30.00	3	70.00	7
	15–19	0	0	100.00	2
	20–24	20.00	1	80.00	4
	25–29	50.00	1	50.00	1
	> 30	66.67	2	33.33	1
	Total	39.47	15	60.53	23
80–05	< 5	-	0	-	0
	5 – 9	55.56	5	44.44	4
	10–14	61.90	26	38.10	16
	15–19	56.82	25	43.18	19
	20–24	61.11	11	38.89	7
	25–29	75.00	6	25.00	2
	> 30	61.54	8	38.46	5
	Total	60.45	81	39.55	53
81–04	< 5	-	0	-	0
	5 – 9	50.00	3	50.00	3
	10–14	52.73	29	47.27	26
	15–19	57.78	26	42.22	19
	20–24	55.00	11	45.00	9
	25–29	69.23	9	30.78	4
	> 30	100.00	11	0	0
	Total	59.33	89	40.67	61
81–09	< 5	-	0	-	0
	5 – 9	64.01	25	35.09	14
	10–14	60.24	50	39.76	33
	15–19	60.00	12	40.00	8
	20–24	37.50	6	62.50	10
	25–29	23.08	3	76.92	10
	> 30	75.00	6	25.00	2
	Total	56.98	102	43.02	77

Table 11

LOLIGO VULGARIS SEX RATIOS IN IBN SINA EXPERIMENTAL TRAWLING CAMPAIGNS
Month	LM (cm)	Males		Females
		%	N	%	N
80–02	< 5	-	0	-	0
	5 – 9	38.46	5	61.54	8
	10–14	32.81	21	67.19	43
	15–19	34.29	24	65.71	46
	20–24	50.00	15	50.00	15
	25–29	15.00	3	85.00	17
	>30	100.00	16	0	0
	Total	39.44	84	60.56	129
80–05	< 5	-	0	-	0
	5 – 9	62.05	10	37.05	6
	10–14	49.16	88	50.84	91
	15–19	42.93	79	57.07	105
	20–24	37.37	37	62.63	62
	25–29	45.45	20	54.55	24
	>30	97.06	33	2.94	1
	Total	48.02	267	51.98	289
81–04	< 5	-	0	-	0
	5 – 9	100.00	3	0	0
	10–14	66.67	34	33.33	17
	15–19	58.10	61	41.90	44
	20–24	43.64	48	56.36	62
	25–29	33.72	29	66.28	57
	30–34	43.75	14	56.25	18
	35–40	100.00	24	0	0
	>40	95.56	43	4.44	2
	Total	56.14	256	43.86	200
81–09	< 5	-	0	-	0
	5 – 9	100	2	0	0
	10–14	55.45	61	44.55	49
	15–19	58.82	90	41.18	63
	20–24	37.86	53	62.14	87
	25–29	36.36	32	63.64	56
	>30	87.50	63	12.50	9
	Total	53.27	301	46.73	264

Table 12

EVOLUTION OF PERCENTAGE OF JAPANESE CATCHES IN DIVISION 34.1.3

OBTAINED IN THE CAPE BLANC SECTOR
Year	1965–66	1966–67	1967–68	1968–69	1969–70	1970–71	1971–72	1972–73	1973–74	1974–75
% ¹	31	61	51	76	76	90	88	83	93	97
% ²	46	56	63	76	78	84	86	88	95

¹ Data by biological years taken from Hatanaka (1979)

² Moving averages over two years used to obtain percentages by calendar years

Table 13

EVALUATION OF JAPANESE AND KOREAN CATCHES AT CAPE BLANC
Year	Total catch Japan	Percentage Cape Blanc Japan¹	Catches Cape Blanc Japan	Total catches Korea	Catches Cape Blanc Korea
1966	25.2	46	11.6	0	0
1967	51.3	56	28.7	0	0
1968	72.5	63	45.7	0	0
1969	44.0	76	33.4	1.1	0.8
1970	38.2	78	29.8	2.1	1.6
1971	36.1	84	30.3	1.8	1.5
1972	31.0	86	26.7	1.2	1.0
1973	28.0	88	22.0	3.7	3.2
1974	25.0	95	23.7	6.6	6.3
1975	22.0	100	22.0	10.5	10.5
1976	23.6	100	23.6	19.8	19.8
1977	25.2	100	25.2	6.5	6.5
1978	18.8	100	18.8	6.8	6.8
1979	9.6	100	9.6	7.9	7.9
1980	0	100	0	11.1	11.1

¹ Calculated by moving average of percentages given by Hatanaka (1979)

Table 14

CATCH, EFFORT AND CPUE IN THE CAPE BLANC AND DAKHLA SECTORS OF DIVISION 34.1.3
	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980
USSR	0	0	0	0	0	0	0	0	0	1.2	1.7	1.5	1.2	0.8	0.5
Bulgaria	0	0	0	0	+	+	0	0	0	0	0	0	0	0	0
Italy	0	0	0	0	0.1	0.1	0	0	0.2	0.5	0.5	0.5	0	0	0
Japan	11.6	28.7	45.7	33.4	29.8	30.3	26.7	22.0	23.7	22.0	23.6	25.2	18.8	9.6	0
Portugal	0	0	0	0	0	0	0	0	+	0	0	0	0	0	0
Morocco	0	0	0	0	0	0	0	⁵	⁵	⁵	⁵	⁵	0	0	0
Mauritania	0	0	0	0	0	0	0.1	0	0	0.1	0.1	0.1	0.1	0.1	1.0
Korea	0	0	0	0.8	1.6	1.5	1.0	3.2	6.3	10.5	19.8	4.5	3.2	2.9	11.1
Spain	0	0	0	0	3.0	6.2	8.7	3.9	6.3	5.6	7.2	4.8	0	0	0
Greece	0	0	0	0	0.1	0.1	0.1	0.1	0.1	+	+	+	+	+	+
Cape Blanc total	11.6	28.7	45.7	34.2	34.6	38.2	36.6	29.2	36.6	39.9	52.9	36.6	23.3	13.4	12.6
Hatanaka cpue ¹	691	599	693	454	324	313	327	258	203	170	225	360	210
Corrected cpue ²	691	645	646	573	389	318	320	292	230	186	197	292	285	171³	245⁴
Cape Blanc effort (1 000 h)	17	46	71	60	89	120	114	100	159	214	268	125	82	78	51
Total catch 34.1.3	62.2	94.6	115	84.8	71.3	106.2	120.4	70.5	96.6	96.8	126.0	95.2	85.3	61.6	63.3
Dakhla total catch	55.6	65.9	69	50.6	36.7	68.0	83.8	41.3	60.0	56.9	73.1	58.6	62.0	48.2	50.7
Spain cpue		347	416	313	185	170	126	103	63	50	59	39	43	27	34
Effort (1 000 h)		190	168	162	198	400	665	401	952	1 138	1 239	1 503	1 442	1 785	1 491

¹, ², ⁵ See Table 14

³, ⁴ See Appendix 11

Table 15

EVOLUTION OF CUTTLEFISH CATCH, EFFORT AND CPUE IN THE 34.1.3 REGION FROM 1969 TO 1980
	Total catch (t)	Effort (fishing effort)	Cpue of Spanish ships (t/h) (see also Table 6)
1969	4 299	75 420	0.057
1970	2 711	50 203	0.054
1971	6 761	157 232	0.043
1972	8 091	505 688	0.016
1973	6 297	349 833	0.018
1974	6 008	193 806	0.031
1975	7 194	553 385	0.013
1976	2 854	285 400	0.010
1977	4 410	400 909	0.011
1978	9 032	501 778	0.018
1979	7 182	478 800	0.015
1980	6 741	449 400	0.015