Table 2 Results from pairwise comparisons of beta-diversity and Mantel tests for fish tissues and water per age group for the seabass Dicentrarchus labrax and the seabream Sparus aurata (n = 60 per species x age group for tissues; n = 10 per species x age group for water)

0.1 (0.001)

0.2 (0.04)

0.1 (0.01)

−0.1 (0.9)

0.04 (0.04)

0.1 (0.2)

0.2 (0.001)

0.5 (1⁻⁴)

0.1 (0.001)

0.4 (1⁻⁴)

0.2 (0.001)

0.4 (1⁻⁴)

0.1 (0.001)

0.2 (0.01)

0.1 (0.001)

−0.04 (0.7)

0.1 (0.001)

0.1 (0.1)

0.2 (0.001)

0.5 (1⁻⁴)

0.2 (0.001)

−0.2 (0.9)

0.2 (0.001)

0.4 (1⁻⁴)

0.1 (0.001)

0.2 (0.1)

0.1 (0.001)

−0.1 (0.8)

0.1 (0.002)

0.1 (0.1)

0.1 (0.001)

0.4 (2⁻⁴)

0.1 (0.001)

0.2 (0.03)

0.1 (0.001)

0.2 (0.01)

0.1 (0.001)

0.2 (0.02)

0.04 (0.01)

−0.1 (0.9)

0.1 (0.001)

0.1 (0.1)

0.2 (0.001)

0.5 (1⁻⁴)

0.1 (0.001)

0.6 (1^− 4)

0.4 (0.001)

0.6 (1^− 4)

0.1 (0.001)

0.2 (0.02)

0.03 (0.03)

0.04 (0.3)

0.2 (0.001)

0.2 (0.02)

0.1 (0.001)

0.6 (1⁻⁴)

0.5 (0.001)

0.7 (1⁻⁴)

0.3 (0.001)

0.5 (1⁻⁴)