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Table 6 Results of the generalized linear mixed-model analysis testing the effect of habitat depth on carbon and nitrogen stable isotope ratios of algal farms

From: Depth segregation and diet disparity revealed by stable isotope analyses in sympatric herbivorous cichlids in Lake Tanganyika

 

Estimate

SE

DF

t value

p

δ13C

     

 (Intercept)

−11.64

0.88

 8.7

−13.19

<0.001

 depth

 0.35

0.13

12.2

 −2.69

<0.05

δ15N

     

 (Intercept)

 −1.06

0.32

 9.3

 −3.30

<0.01

 depth

 0.03

0.05

12.8

 −0.65

NS

  1. Cichlid species was analyzed as a random factor. SE, standard error; DF, degree of freedom; NS, not significant.