Trotline hook selectivity for the Atlantic Bonito (Sarda sarda Bloch, 1793) fishery in the Çanakkale Strait (northern Aegean Sea, Turkey)

Figures & Tables

Material	Model	Parameters	Modal deviance	p-value	Degree of freedom (df)
Steel	Normal location	(k; σ) = (25.911; 3.364)	69.018	0.000239	33
	Normal scale	(k₁; k₂) = (26.374; 2.772)	75.938	0.000031	33
	Lognormal	(μ₁; σ) = (3.391; 0.102)	69.764	0.000193	33
	Gamma	(k; α) = (0.277; 95.37)	71.709	0.00011	33
	Bi-modal	(k₁, k₂, k₃, k₄, w) = (25.726; 2.082; 33.776; 1.046; 0.248)	58.875	0.001257	30
Tin	Normal location	(k; σ) = (27.487; 4.344)	65.077	0.000007	23
	Normal scale	(k₁; k₂) = (27.784; 3.081)	60.864	0.000029	23
	Lognormal	(μ₁; σ) = (3.435; 0.123)	60.705	0.00003	23
	Gamma	(k; α) = (0.392; 71.688)	60.739	0.00003	23
	Bi-modal	-	-	-	-
Nickel	Normal location	-	-	-	-
	Normal scale	(k₁; k₂) = (25.535; 2.816)	39.536	0.00091	16
	Lognormal	(μ₁; σ) = (3.489; 0.124)	40.48	0.000662	16
	Gamma	(k; α) = (0.359; 71.877)	40.123	0.000747	16
	Bi-modal	-	-	-	-

Material	Hook size	Gap (mean) (cm)	Model length (cm)	Distribution value (cm)	Model
Steel	1/0	1.13	29.14	2.35	Bi-modal
	2/0	1.34	34.42	2.78
	3/0	1.43	36.74	2.97
	4/0	1.47	37.90	3.06
Tin	1/0	1.10	19.08	2.11	Lognormal
	2/0	1.22	23.10	2.56
	3/0	1.38	23.92	2.65
	4/0	1.49	30.46	3.37
Nickel	1/0	1.27	13.64	1.53	Normal scale
	2/0	1.36	16.51	1.86
	3/0	1.45	17.10	1.92
	4/0	1.66	21.77	2.45

Material	Hook size	N	Total length (cm)
Material	Hook size	N	Minimum	Maximum	Mean ± SE
Steel	1/0	73	27.5	39.5	30.42 ± 0.16
	2/0	51	30	38.6	31.34 ± 0.18
	3/0	35	30	38.7	31.80 ± 0.20
	4/0	42	30.4	44.6	37.86 ± 0.22
Tin	1/0	100	25.6	33.9	30.21 ± 0.14
	2/0	44	28.8	33.9	30.88 ± 0.19
	3/0	31	30.3	34.4	31.56 ± 0.24
	4/0	19	30.9	37	32.79 ± 0.16
Nickel	1/0	63	28.4	31	29.96 ± 0.17
	2/0	50	29.7	38.5	31.30 ± 0.28
	3/0	37	30.1	40	33.42 ± 0.21
	4/0	8	30.3	33.5	31.25 ± 0.24
Carbon	1/0	19	28.7	31.6	29.90 ± 0.13
	2/0	20	30	33.2	30.52 ± 0.19
	3/0	6	30.3	33.4	31.33 ± 0.33
	4/0	6	30.3	32.3	30.95 ± 0.20