Table 1.

Mouse bioassay (MBA) and PSP toxicity (μg eq STX/kg e.p.) in mussels and toxic algal specie A. minutum(cell/L) during positive events.

Sampling date	Sp	MBA	Death time (min)	PSP toxins μg eq STX/kg e.p	A. minutum (cell/L) dept -1, -7, -14m
28/01/19	1	Positive	2’	8.139	n.s.
12/02/19	1	n.d.	-	4.885	n.s.
14/02/19	1	Positive	4’	5.310	n.s.
19/02/19	1	Positive	4’	5.277	<60, 780, <60
21/02/19	1	Positive	4’	5.647	60, 1300, 100
28/02/19	1	Positive	20’	366*	340, 1680, 60
06/03/19	1	Positive	8’	948	120, 1200, <60
06/03/19	1	Positive	10’	723*	400, 1760, 320
11/03/19	2	Positive	20’	308*	n.s.
11/03/19	1	Negative	>60	<200
19/03/19	2	Positive	7’	1180	<60, 5400, 440
19/03/19	1	Negative	>60	<200
25/0319	1	Negative	>60	293*
25/03/19	2	Positive	12’	548*	<60, 180, <60

Sp: Sampling point; MBA: Mouse Bioassay; n.d.: not done; n.s.: not sampled.*PSP toxins not overcoming the legal limit.