Table 3 Correlation coefficients (p value) for Spearman’s correlation tests examining relationships between trace metal concentrations in the muscle tissue of Caribbean Reef sharks.

From: Metal concentrations in coastal sharks from The Bahamas with a focus on the Caribbean Reef shark

 

Cd

Pb

Cr

Mn

Co

Cu

Zn

As

Ag

THg

Cd

–

n = 19

n = 21

n = 21

n = 21

n = 21

n = 21

n = 21

n = 21

n = 20

Pb

− 0.076 (0.758)

–

n = 19

n = 19

n = 19

n = 19

n = 19

n = 19

n = 19

n = 18

Cr

− 0.030 (0.897)

0.664 (0.002)

–

n = 21

n = 21

n = 21

n = 21

n = 21

n = 21

n = 20

Mn

− 0.187 (0.418)

0.731 (< 0.001)

0.661 (0.001)

–

n = 21

n = 21

n = 21

n = 21

n = 21

n = 20

Co

0.510 (0.018)

0.323 (0.178)

0.465 (0.034)

0.311 (0.170)

–

n = 21

n = 21

n = 21

n = 21

n = 20

Cu

− 0.076 (0.743)

0.732 (< 0.001)

0.768 (< 0.001)

0.503 (0.020)

0.266 (0.243)

–

n = 21

n = 21

n = 21

n = 20

Zn

− 0.141 (0.543)

0.820 (< 0.001)

0.487 (0.025)

0.548 (0.010)

0.110 (0.634)

0.669 (0.001)

–

n = 21

n = 21

n = 20

As

− 0.257 (0.261)

0.426 (0.069)

0.244 (0.286)

0.386 (0.084)

− 0.284 (0.213)

0.438 (0.047)

0.696 (< 0.001)

–

n = 21

n = 20

Ag

0.060 (0.796)

0.214 (0.379)

0.376 (0.093)

0.003 (0.991)

0.137 (0.553)

0.396 (0.076)

0.194 (0.400)

0.367 (0.102)

–

n = 20

THg

− 0.529 (0.016)

0.548 (0.018)

0.162 (0.494)

0.457 (0.043)

− 0.233 (0.323)

0.334 (0.150)

0.408 (0.075)

0.334 (0.150)

− 0.162 (0.496)

–

  1. Bold indicates statistically significant correlation at α = 0.05 level. Sample sizes for each specific comparison are shown in the second horizontal.
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