Table 4.

Meta-analysis best-fit models as determined by an exhaustive model fitting procedure and information theoretic model selection criteria applied to additive models

Domestic status	Study duration	Life-stage stocked	Wild status	d.f.	log likelihood	AIC	ΔAIC
	+		+	4	−31.97	71.90	0.00
	+	+	+	6	−30.54	73.10	1.14
+	+		+	5	−31.85	73.70	1.77
+	+	+	+	7	−30.42	74.80	2.90
			+	3	−35.57	77.10	5.20
+			+	4	−35.54	79.10	7.15
		+	+	5	−34.63	79.30	7.32
+	+			4	−36.17	80.30	8.41
+				3	−37.47	80.90	9.01
+		+	+	6	−34.59	81.20	9.24
+		+		5	−36.41	82.80	10.87
+	+	+		6	−36.09	84.20	12.24
		+		4	−38.36	84.70	12.78
				2	−40.44	84.90	12.93
	+	+		5	−38.28	86.60	14.62
	+			3	−40.42	86.80	14.90