Table 8 Percentage of elements detected and Ca/P ratio in dugong tusks, and dugong, dolphin and whale teeth.

0.266 ± 0.190

0.317 ± 0.084

N.D.

N.D.

N.D.

1.114 ± 1.253^a

0.373 ± 0.212^a

0.178 ± 0.037^b

0.465 ± 0.174^a

0.000

8.052 ± 1.714^a

7.559 ± 1.219^b

9.286 ± 0.617^c

8.119 ± 0.811^a,b

0.000

0.316 ± 0.418^a

0.086 ± 0.039^b

0.049 ± 0.032^c

0.271 ± 0.071^d

0.000

23.510 ± 3.441^a

21.217 ± 1.910^b

20.233 ± 1.540^c

22.798 ± 0.924^d

0.004

0.057 ± 0.044^a

0.047 ± 0.020^b

0.052 ± 0.011^c

0.036 ± 0.010^a,b

0.020

0.018 ± 0.004^a

0.017 ± 0.005^a

0.013 ± 0.003^b

0.014 ± 0.002^a,b

0.010

0.012 ± 0.018^a

0.009 ± 0.002^b

0.007 ± 0.002^c

0.010 ± 0.001^d

0.000

0.012 ± 0.021^a

0.058 ± 0.089^b

0.015 ± 0.008^c

0.008 ± 0.001^a

0.000

0.039 ± 0.030^a

0.097 ± 0.065^b

0.072 ± 0.032^b

0.019 ± 0.002^c

0.003

0.002 ± 0.001

0.002 ± 0.001

0.002 ± 0.000

0.002 ± 0.000

0.789

0.006 ± 0.010^a

0.002 ± 0.000^b

0.002 ± 0.000^b

0.002 ± 0.000^b

0.002

0.040 ± 0.013^a

0.038 ± 0.017^b

0.094 ± 0.029^c

0.035 ± 0.009^b,d

0.000

0.014 ± 0.002^a

0.014 ± 0.003^b

0.002 ± 0.000^c

0.008 ± 0.002 ^a,c

0.000

0.018 ± 0.003^a

0.017 ± 0.004^a

0.014 ± 0.002^b

0.015 ± 0.001^a,b

0.003

0.023 ± 0.006^a

0.023 ± 0.005^a

0.017 ± 0.004^b

0.021 ± 0.001^a

0.000

0.026 ± 0.007^a

0.027 ± 0.006^a

0.019 ± 0.005^b

0.023 ± 0.001^a,b

0.000

0.034 ± 0.009^a

0.034 ± 0.007^a

0.025 ± 0.007^b

0.032 ± 0.001^a,c

0.000

0.004 ± 0.001

0.003 ± 0.001

N.D.

0.004 ± 0.000

0.064

0.001 ± 0.001

0.001 ± 0.001

0.001 ± 0.000

0.001 ± 0.000

0.365

66.702 ± 5.382^a

70.013 ± 2.823^b

69.942 ± 2.098^b

68.123 ± 1.603^a,b

0.000

2.984 ± 0.421^a

2.862 ± 0.422^b

2.179 ± 0.075^c

2.825 ± 0.247^a,b,d

0.000