Effect of temperature on the daily mortality rate (in percentage) of brown trout (Salmo trutta) during each of the three studied period.

P1: from fertilization to hatching; P2: from hatching to emergence; P3: from emergence to first food intake. Mean (± S.D.), with n = 8 (racks). Values with the same superscript letter indicate no significant difference between temperatures within each period (Tukey, p