Length-Based Spawning Potential Ratio (LB-SPR) for Red Grouper (Epinephelus morio) and Associated Species in the Commercial Fishery of the Yucatan Peninsula, Mexico

Table 2

Biological and exploitation parameters analyzed in the LB-SPR model for the red grouper fishery and associated species.

	Definition	Species
		I	II	III	IV	V	VI	VII
Input
(cm)	Asymptotic size	100.90	144.80	129.20	47.50	45.00	42.80	33.80
M (y^−1)	Natural mortality	0.13	0.14	0.17	0.20	0.41	0.65	1.02
K (y^−1)	Growth coefficient	0.09	0.09	0.12	0.22	0.23	0.26	0.10
M/K	M/K ratio	1.44	1.56	1.42	0.91	1.78	2.51	10.20
F (y^−1)	Fishing mortality	0.37	0.45	0.18	0.36	2.71	1.35	1.95
(cm)	Length at 50% maturity	50.90	72.10	72.10	21.30	17.80	15.03	15.22
Estimated
(cm)	Length at 95% maturity	77.10	85.53	84.21	23.40	19.90	29.04	17.24
SL50 (cm)	Length at 50% selectivity	40.70	51.00	51.00	33.00	27.50	30.70	26.80
SL95 (cm)	Length at 95% selectivity	51.50	73.00	78.10	44.00	34.62	36.00	32.50
F/M	F/M ratio	2.85	3.21	1.06	1.80	6.60	2.08	1.91