Table 5 Metrics quantifying trophic niche and individual specialization in black amur bream.

From: Individual dietary specialization reduces intraspecific competition, rather than feeding activity, in black amur bream (Megalobrama terminalis)

 

Small juvenile

Large juvenile

Sub-adult

Adult

Taxonomic richness per gut (mean ± SD)

5.5 ± 3.0a

2.8 ± 1.5a

4.8 ± 2.2a

4.8 ± 1.6a

TNW

0.058

0.699

0.862

0.938

WIC/TNW

0.250

0.951

0.637

0.610

Diet similarity

0.339

0.185

0.375

0.386

NR (‰)

9.49

7.77

10.07

9.56

CR (‰)

5.54

4.80

6.13

3.48

CD (‰)

2.61

2.40

2.47

2.55

MNND ± SD(‰)

1.04 ± 1.07

1.37 ± 0.62

1.15 ± 1.10

1.69 ± 2.05

TA

19.22

21.74

30.87

17.52

SEA (‰)

9.446

10.041

11.240

12.957

SEAc (‰)

10.496

11.045

12.104

15.116

  1. Same superscript letters indicate no significant differences (Kruskal–Wallis test, p > 0.05).
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