Croissance et exploitation de deux espèces de poissons plats pleuronectiformes des eaux algériennes: Citharus linguatula (Linnaeus, 1758) et Dicologlossa cuneata (Moreau, 1881)

D. cuneata

Centre de classe	N% ?	N% ?
14	1	0
15	2	0
16	13	1
17	45	14
18	27	31
19	9	34
20	3	15
21	0	3
22	0	1

Tableau 5: Résultats de l'analyse de cohorte de Jones(1984) fondée sur la longueur de

C. linguatula

Lc	C1		C	H	N L1	F/Z	Ft	Z	Eff	W'	B'	Y
8	7.5	8.5	1	1.035	1083	0.014	0.0038	0.284	260	3	679	3
9	8.5	9.5	1	1.037	1009	0.014	0.0039	0.284	254	4	948	4
10	9.5	10.5	3	1.039	937	0.041	0.0121	0.292	248	5	1271	15
11	10.5	11.5	3	1.042	864	0.042	0.0124	0.292	242	7	1650	20
12	11.5	12.5	8	1.044	793	0.109	0.0341	0.314	235	9	2078	71
13	12.5	13.5	27	1.047	720	0.302	0.1211	0.401	223	11	2514	304
14	13.5	14.5	68	1.051	630	0.547	0.3386	0.619	201	14	2829	958
15	14.5	15.5	67	1.055	506	0.584	0.3928	0.673	171	17	2958	1162
16	15.5	16.5	81	1.059	391	0.680	0.5943	0.874	136	21	2870	1706
17	16.5	17.5	68	1.065	272	0.708	0.6784	0.958	100	25	2533	1718
18	17.5	18.5	30	1.072	176	0.591	0.4046	0.685	74	30	2226	900
19	18.5	19.5	17	1.080	125	0.506	0.2868	0.567	59	35	2093	600
20	19.5	20.5	14	1.090	92	0.511	0.2928	0.573	48	41	1971	577
21	20.5	21.5	4	1.103	64	0.264	0.1006	0.381	40	48	1897	191
22	21.5	22.5	7	1.121	49	0.429	0.2102	0.490	33	55	1829	384
23	22.5	23.5	3	1.147	33	0.286	0.1119	0.392	27	63	1683	188
24	23.5	24.5	3	1.186	22	0.333	0.1399	0.420	21	71	1530	214
25	24.5	25.5	4	1.254	13	0.496	0.2758	0.556	15	81	1170	323
26	25.5	26.5	1	1.400	5	0.301	0.1207	0.401	8	91	752	91
27	26.5	27.5	1	^1.959	2	0.500	0.2800	0.560	4	102	363	102

Tableau 6: Résultats de l'analyse de cohorte de Jones(1984) fondée sur la longueur de

D. cuneata

Lc	C1		C	H	N L1	F/Z	Ft	Z	Eff	W'	B'	Y
14	13.5	14.5	1	1.049	485	0.022	0.011	0.481	94	16	1531	16
15	14.5	15.5	3	1.055	440	0.063	0.032	0.502	95	20	1922	61
16	15.5	16.5	26	1.063	392	0.373	0.280	0.750	93	25	2306	646
17	16.5	17.5	96	1.074	323	0.726	1.245	1.715	77	30	2318	2886
18	17.5	18.5	78	1.089	190	0.769	1.562	2.032	50	36	1797	2807
19	18.5	19.5	47	1.112	89	0.793	1.800	2.270	26	43	1114	2006
20	19.5	20.5	18	1.151	30	0.786	1.724	2.194	10	50	524	903
21	20.5	21.5	3	1.233	7	0.633	0.812	1.282	4	58	216	175
22	21.5	22.5	1	1.519	2	0.500	0.470	0.940	2	68	144	68

Tableau 7: Résultats de l'analyse du modèle de Thompson et Bell (1934) fondé sur la
longueur de C. linguatula (X= 0.3)

Lc	C1		C	H	ft	X*F	Z	Ci	Ni (Li+1)	W moy	Yi	Bi moy	Vi
8	7.5	8.5	1	1.035	0.004	0.0012	0.281	0	1010	2.614	1	680	196
9	8.5	9.5	1	1.037	0.004	0.0012	0.281	0	938	3.726	1	949	280
10	9.5	10.5	3	1.039	0.012	0.0036	0.284	1	868	5.116	5	1275	1154
11	10.5	11.5	3	1.042	0.012	0.0037	0.284	1	799	6.817	6	1658	1542
12	11.5	12.5	8	1.044	0.034	0.0102	0.290	2	730	8.857	21	2099	5368
13	12.5	13.5	27	1.047	0.121	0.0363	0.316	8	657	11.270	94	2584	23457
14	13.5	14.5	68	1.051	0.339	0.1016	0.382	22	574	14.087	312	3069	124702
15	14.5	15.5	67	1.055	0.393	0.1178	0.398	24	493	17.338	415	3523	166062
16	15.5	16.5	81	1.059	0.594	0.1783	0.458	33	408	21.056	697	3910	278810
17	16.5	17.5	68	1.065	0.678	0.2035	0.484	34	328	25.271	850	4176	340007
18	17.5	18.5	30	1.072	0.405	0.1214	0.401	18	269	30.015	537	4423	214732
19	18.5	19.5	17	1.080	0.287	0.0861	0.366	12	220	35.320	407	4730	162793
20	19.5	20.5	14	1.090	0.293	0.0878	0.368	11	175	41.216	440	5009	176011
21	20.5	21.5	4	1.103	0.101	0.0302	0.310	3	141	47.736	160	5295	87928
22	21.5	22.5	7	1.121	0.210	0.0630	0.343	6	107	54.911	349	5534	191886
23	22.5	23.5	3	1.147	0.112	0.0336	0.314	3	78	62.773	189	5642	104164
24	23.5	24.5	3	1.186	0.140	0.0420	0.322	3	53	71.352	237	5642	130199
25	24.5	25.5	4	1.254	0.276	0.0827	0.363	5	29	80.681	433	5233	238103
26	25.5	26.5	1	1.400	0.121	0.0362	0.316	2	14	90.790	163	4495	89493
27	26.5	27.5	1	1.959	0.280	0.0840	0.364	3	2	101.713	269	3206	148126

Tableau 8: Résultats de l'analyse du modèle de Thompson et Bell (1934) fondé sur la
longueur de D.cuneata (X= 0.4)

Lc	C1		C	H	ft	X*F	Z	Ci	Ni (Li+1)	W moy	Yi	Bi moy
14	13.5	14.5	68	1.051	0.011	0.0043	0.474	0	439	16.307	97	6.768
15	14.5	15.5	67	1.055	0.032	0.0126	0.483	1	393	20.265	94	24.200
16	15.5	16.5	81	1.059	0.280	0.1120	0.582	10	341	24.834	90	250.637
17	16.5	17.5	68	1.065	1.245	0.4980	0.968	40	263	30.059	81	1206.816
18	17.5	18.5	30	1.072	1.562	0.6249	1.095	41	190	35.989	66	1492.959
19	18.5	19.5	17	1.080	1.800	0.7202	1.190	37	128	42.671	52	1590.071
20	19.5	20.5	14	1.090	1.724	0.6897	1.160	27	84	50.154	39	1337.219
21	20.5	21.5	4	1.103	0.812	0.3248	0.795	10	60	58.486	30	567.720
22	21.5	22.5	7	1.121	0.470	0.1880	0.658	5	43	67.716	25	318.667

Tableau 9: Résultats de l'analyse du modèle de Thompson et Bell (1934) fondé sur la
longueur de C.linguatula (X=4)

Lc	C1		C	H	ft	X*F	Z	Ci	Ni (Li+1)	W moy	Yi	Bi moy	Vi
8	7.5	8.5	1	1.035	0.004	0.0154	0.295	4	1006	2.614	10	678	2611
9	8.5	9.5	1	1.037	0.004	0.0157	0.296	4	931	3.726	15	944	3711
10	9.5	10.5	3	1.039	0.012	0.0483	0.328	12	851	5.116	61	1258	15188
11	10.5	11.5	3	1.042	0.012	0.0496	0.330	12	773	6.817	80	1615	20024
12	11.5	12.5	8	1.044	0.034	0.1364	0.416	31	679	8.857	272	1992	67950
13	12.5	13.5	27	1.047	0.121	0.4842	0.764	96	527	11.270	1086	2242	271421
14	13.5	14.5	68	1.051	0.339	1.3544	1.634	195	292	14.087	2747	2029	1098995
15	14.5	15.5	67	1.055	0.393	1.5711	1.851	128	140	17.338	2224	1415	889458
16	15.5	16.5	81	1.059	0.594	2.3771	2.657	88	42	21.056	1856	781	742313
17	16.5	17.5	68	1.065	0.678	2.7138	2.994	30	9	25.271	764	281	305554
18	17.5	18.5	30	1.072	0.405	1.6184	1.898	5	3	30.015	139	86	55591
19	18.5	19.5	17	1.080	0.287	1.1473	1.427	1	1	35.320	50	44	19996
20	19.5	20.5	14	1.090	0.293	1.1712	1.451	1	1	41.216	28	24	11366
21	20.5	21.5	4	1.103	0.101	0.4026	0.683	0	0	47.736	6	15	3240
22	21.5	22.5	7	1.121	0.210	0.8406	1.121	0	0	54.911	9	10	4705
23	22.5	23.5	3	1.147	0.112	0.4476	0.728	0	0	62.773	3	6	1406
24	23.5	24.5	3	1.186	0.140	0.5595	0.839	0	0	71.352	2	3	1066
25	24.5	25.5	4	1.254	0.276	1.1031	1.383	0	0	80.681	1	1	743
26	25.5	26.5	1	1.400	0.121	0.4827	0.763	0	0	90.790	0	0	0
27	26.5	27.5	1	1.959	0.280	1.1200	1.400	0	0	101.713	0	0	0

Tableau 10: Résultats de l'analyse du modèle de Thompson et Bell (1934) fondé sur la
longueur de D.cuneata (X= 4 )

Lc	C1		C	H	ft	X*F	Z	Ci	Ni (Li+1)	W moy	ni m ?t	Yi	Bi moy
14	13.5	14.5	68	1.051	0.011	0.0426	0.513	4	435	16.307	97	67.412	1582.049
15	14.5	15.5	67	1.055	0.032	0.1265	0.596	12	380	20.265	92	237.070	1874.132
16	15.5	16.5	81	1.059	0.280	1.1200	1.590	87	256	24.834	78	2165.320	1933.395
17	16.5	17.5	68	1.065	1.245	4.9802	5.450	195	43	30.059	39	5867.935	1178.246
18	17.5	18.5	30	1.072	1.562	6.2495	6.719	39	1	35.989	6	1397.699	223.651
19	18.5	19.5	17	1.080	1.800	7.2019	7.672	1	0	42.671	0	40.283	5.593
20	19.5	20.5	14	1.090	1.724	6.8975	7.367	0	0	50.154	0	-4.375	-0.634
21	20.5	21.5	4	1.103	0.812	3.2481	3.718	0	0	58.486	0	0.447	0.138
22	21.5	22.5	7	1.121	0.470	1.8800	2.350	0	0	67.716	0	0.056	0.030