Table 5. Dirichlet regression results of the most parsimonious model.

Parameters of the best selected model to explain the behavioural composition (comprised of small, orderly and disorderly behaviours) of fish slipped from purse seines, fitted by Dirichlet regression.

Behaviour	Variable	Estimate	SE	Z	p
Disorderly	(intercept)	-1.455	0.455	-3.195	<0.01
	Amount	0.110	0.033	3.352	<0.001
	Vessel (Vessel B)	-0.986	0.758	-1.302	0.193
	Amount : Vessel (Vessel B)	0.190	0.077	2.472	0.013
Orderly	(intercept)	-0.626	0.549	-1.139	0.255
	Amount	0.069	0.038	1.799	0.072
	Vessel (Vessel B)	-0.272	0.853	-0.318	0.750
	Amount : Vessel (Vessel B)	0.307	0.082	3.765	<0.001
Small	(intercept)	-0.938	0.498	-1.883	0.059
	Amount	0.034	0.034	0.993	0.321
	Vessel (Vessel B)	-1.510	1.035	-1.459	0.145
	Amount : Vessel (Vessel B)	0.271	0.095	2.835	<0.01