Table 3 Mean (±SE) values for the diversity measures (total number of species, species richness, Shannon–Wiener H′ diversity, evenness J′), mean abundance (ind m⁻²) and mean biomass (g AFDW m⁻²) observed at each sample site

20

17

16

7

4

5

8

6

24

22

24

13

8.67 ± 0.39^a

7.67 ± 0.56^ab

6.80 ± 0.48^b

2.67 ± 0.19^c

1.4 ± 0.13^a

1.4 ± 0.13^a

2.93 ± 0.32^b

3.07 ± 0.23^b

10.2 ± 0.40^a

9.07 ± 0.55^a

9.73 ± 0.55^a

5.73 ± 0.55^b

1.42 ± 0.07^a

1.38 ± 0.07^a

0.81 ± 0.08^b

0.44 ± 0.08^c

0.05 ± 0.02^ab

0.02 ± 0.01^a

0.19 ± 0.07^b

0.06 ± 0.01^ab

1.50 ± 0.04^a

1.24 ± 0.08^a

0.93 ± 0.09^b

0.39 ± 0.04^c

0.66 ± 0.03^a

0.70 ± 0.02^a

0.43 ± 0.04^b

0.45 ± 0.08^b

0.18 ± 0.05^a

0.09 ± 0.01^a

0.16 ± 0.04^a

0.06 ± 0.01^a

0.65 ± 0.02^a

0.57 ± 0.03^a

0.41 ± 0.03^b

0.22 ± 0.03^c

7,646 ± 1,137^a

9,148 ± 976^ab

13,651 ± 1,936^b

4,890 ± 903^a

5,303 ± 914^a

13,686 ± 1,741^a

30,382 ± 6,144^b

48,271 ± 5,330^b

12,964 ± 1,910^a

22,834 ± 1,957^a

44,034 ± 5,878^b

53,160 ± 5,643^b

15 ± 2.3^ab

7.15 ± 1.41^ac

17 ± 2.9^ab

2.09 ± 1.18^c

6.77 ± 1.17^a

18 ± 2.2^b

43 ± 6.6^c

70 ± 8.8^d

22.03 ± 2.71^a

25.27 ± 2.56^a

59.96 ± 6.87^b

72.14 ± 8.67^b