Table 6. Potency, total allowable catches of fish in widas reservoir

Parameter of population	Total (kg/year)	Fish group
		Minnow	Cichlid	Barbs
MSY (kg/year)	271,217	24,280	233,553	13,384
TAC (kg/year)	216,973	19,424	186,842	10,707
Z (year−1)		4.78	7.55	3.70
F (year−1)		3.54	6.25	2.45
M (year−1)		1.24	1.30	1.25
E		0.74	0.83	0.66

MSY, maximum sustainable yield; TAC, total allowable catch.